gstvp8dec.c \
gstvp8enc.c \
gstvp8utils.c \
- plugin.c \
- gst/video/gstbasevideocodec.c \
- gst/video/gstbasevideodecoder.c \
- gst/video/gstbasevideoencoder.c \
- gst/video/gstbasevideoparse.c \
- gst/video/gstbasevideoutils.c \
- gst/video/gstvideocompat.c
-
-fixbaseclasses = \
- -DGstBaseVideoCodec=VP8BaseVideoCodec \
- -DGstBaseVideoCodecClass=VP8BaseVideoCodecClass \
- -DGstBaseVideoEncoder=VP8BaseVideoEncoder \
- -DGstBaseVideoEncoderClass=VP8BaseVideoEncoderClass \
- -DGstBaseVideoDecoder=VP8BaseVideoDecoder \
- -DGstBaseVideoDecoderClass=VP8BaseVideoDecoderClass \
- -DGstBaseVideoParse=VP8BaseVideoParse \
- -DGstBaseVideoParseClass=VP8BaseVideoParseClass
+ plugin.c
libgstvp8_la_CFLAGS = \
- $(GST_CFLAGS) \
- $(GST_BASE_CFLAGS) \
+ $(GST_PLUGINS_BAD_CFLAGS) \
$(GST_PLUGINS_BASE_CFLAGS) \
- $(fixbaseclasses)
+ $(GST_BASE_CFLAGS) \
+ $(GST_CFLAGS)
libgstvp8_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgstvp8_la_LIBADD = $(GST_LIBS) $(GST_BASE_LIBS)
libgstvp8_la_LIBADD += $(GST_PLUGINS_BASE_LIBS) -lgsttag-@GST_MAJORMINOR@ -lgstvideo-@GST_MAJORMINOR@
+libgstvp8_la_LIBADD += $(top_builddir)/gst-libs/gst/video/libgstbasevideo-@GST_MAJORMINOR@.la
libgstvp8_la_LIBADD += $(VPX_LIBS)
noinst_HEADERS = \
- gstvp8utils.h \
- gst/video/gstbasevideocodec.h \
- gst/video/gstbasevideodecoder.h \
- gst/video/gstbasevideoencoder.h \
- gst/video/gstbasevideoparse.h \
- gst/video/gstbasevideoutils.h \
- gst/video/gstvideocompat.h
-
+ gstvp8utils.h
+++ /dev/null
-/* Schrodinger
- * Copyright (C) 2006 David Schleef <ds@schleef.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "gstbasevideocodec.h"
-
-#include <string.h>
-#include <math.h>
-
-GST_DEBUG_CATEGORY (basevideo_debug);
-#define GST_CAT_DEFAULT basevideo_debug
-
-/* GstBaseVideoCodec signals and args */
-enum
-{
- LAST_SIGNAL
-};
-
-enum
-{
- ARG_0
-};
-
-static void gst_base_video_codec_finalize (GObject * object);
-
-//static const GstQueryType *gst_base_video_codec_get_query_types (GstPad *pad);
-//static gboolean gst_base_video_codec_src_query (GstPad *pad, GstQuery *query);
-//static gboolean gst_base_video_codec_sink_query (GstPad *pad, GstQuery *query);
-//static gboolean gst_base_video_codec_src_event (GstPad *pad, GstEvent *event);
-//static gboolean gst_base_video_codec_sink_event (GstPad *pad, GstEvent *event);
-static GstStateChangeReturn gst_base_video_codec_change_state (GstElement *
- element, GstStateChange transition);
-//static GstFlowReturn gst_base_video_codec_push_all (GstBaseVideoCodec *base_video_codec,
-// gboolean at_eos);
-
-
-GST_BOILERPLATE (GstBaseVideoCodec, gst_base_video_codec, GstElement,
- GST_TYPE_ELEMENT);
-
-static void
-gst_base_video_codec_base_init (gpointer g_class)
-{
- GST_DEBUG_CATEGORY_INIT (basevideo_debug, "vp8basevideo", 0,
- "Base Video Classes");
-
-}
-
-static void
-gst_base_video_codec_class_init (GstBaseVideoCodecClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *element_class;
-
- gobject_class = G_OBJECT_CLASS (klass);
- element_class = GST_ELEMENT_CLASS (klass);
-
- gobject_class->finalize = gst_base_video_codec_finalize;
-
- element_class->change_state = gst_base_video_codec_change_state;
-}
-
-static void
-gst_base_video_codec_init (GstBaseVideoCodec * base_video_codec,
- GstBaseVideoCodecClass * klass)
-{
- GstPadTemplate *pad_template;
-
- GST_DEBUG ("gst_base_video_codec_init");
-
- pad_template =
- gst_element_class_get_pad_template (GST_ELEMENT_CLASS (klass), "sink");
- g_return_if_fail (pad_template != NULL);
-
- base_video_codec->sinkpad = gst_pad_new_from_template (pad_template, "sink");
- //gst_pad_set_query_function (base_video_codec->sinkpad,
- // gst_base_video_codec_sink_query);
- gst_element_add_pad (GST_ELEMENT (base_video_codec),
- base_video_codec->sinkpad);
-
- pad_template =
- gst_element_class_get_pad_template (GST_ELEMENT_CLASS (klass), "src");
- g_return_if_fail (pad_template != NULL);
-
- base_video_codec->srcpad = gst_pad_new_from_template (pad_template, "src");
- gst_element_add_pad (GST_ELEMENT (base_video_codec),
- base_video_codec->srcpad);
-
- base_video_codec->input_adapter = gst_adapter_new ();
- base_video_codec->output_adapter = gst_adapter_new ();
-
-}
-
-static void
-gst_base_video_codec_reset (GstBaseVideoCodec * base_video_codec)
-{
- GST_DEBUG ("reset");
-
- base_video_codec->system_frame_number = 0;
-
- //gst_segment_init (&base_video_codec->state.segment, GST_FORMAT_TIME);
- gst_adapter_clear (base_video_codec->input_adapter);
- gst_adapter_clear (base_video_codec->output_adapter);
-
-}
-
-static void
-gst_base_video_codec_finalize (GObject * object)
-{
- GstBaseVideoCodec *base_video_codec;
-
- g_return_if_fail (GST_IS_BASE_VIDEO_CODEC (object));
- base_video_codec = GST_BASE_VIDEO_CODEC (object);
-
- if (base_video_codec->input_adapter) {
- g_object_unref (base_video_codec->input_adapter);
- }
- if (base_video_codec->output_adapter) {
- g_object_unref (base_video_codec->output_adapter);
- }
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-#ifdef unused
-static const GstQueryType *
-gst_base_video_codec_get_query_types (GstPad * pad)
-{
- static const GstQueryType query_types[] = {
- GST_QUERY_POSITION,
- GST_QUERY_DURATION,
- GST_QUERY_CONVERT,
- 0
- };
-
- return query_types;
-}
-#endif
-
-#if 0
-static gboolean
-gst_base_video_codec_src_convert (GstPad * pad,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
-{
- gboolean res;
- GstBaseVideoCodec *dec;
-
- if (src_format == *dest_format) {
- *dest_value = src_value;
- return TRUE;
- }
-
- dec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
-
- if (src_format == GST_FORMAT_DEFAULT && *dest_format == GST_FORMAT_TIME) {
- if (dec->fps_d != 0) {
- *dest_value = gst_util_uint64_scale (granulepos_to_frame (src_value),
- dec->fps_d * GST_SECOND, dec->fps_n);
- res = TRUE;
- } else {
- res = FALSE;
- }
- } else {
- GST_WARNING ("unhandled conversion from %d to %d", src_format,
- *dest_format);
- res = FALSE;
- }
-
- gst_object_unref (dec);
-
- return res;
-}
-
-static gboolean
-gst_base_video_codec_sink_convert (GstPad * pad,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
-{
- gboolean res = TRUE;
- GstBaseVideoCodec *dec;
-
- if (src_format == *dest_format) {
- *dest_value = src_value;
- return TRUE;
- }
-
- dec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
-
- /* FIXME: check if we are in a decoding state */
-
- switch (src_format) {
- case GST_FORMAT_DEFAULT:
- switch (*dest_format) {
- case GST_FORMAT_TIME:
- *dest_value = gst_util_uint64_scale (src_value,
- dec->fps_d * GST_SECOND, dec->fps_n);
- break;
- default:
- res = FALSE;
- }
- break;
- case GST_FORMAT_TIME:
- switch (*dest_format) {
- case GST_FORMAT_DEFAULT:
- {
- *dest_value = gst_util_uint64_scale (src_value,
- dec->fps_n, dec->fps_d * GST_SECOND);
- break;
- }
- default:
- res = FALSE;
- break;
- }
- break;
- default:
- res = FALSE;
- break;
- }
-
- gst_object_unref (dec);
-
- return res;
-}
-#endif
-
-#ifdef unused
-static gboolean
-gst_base_video_codec_src_query (GstPad * pad, GstQuery * query)
-{
- GstBaseVideoCodec *base_codec;
- gboolean res = FALSE;
-
- base_codec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
-
- switch (GST_QUERY_TYPE (query)) {
- case GST_QUERY_POSITION:
- {
- GstFormat format;
- gint64 time;
- gint64 value;
-
- gst_query_parse_position (query, &format, NULL);
-
- time = gst_util_uint64_scale (base_codec->system_frame_number,
- base_codec->state.fps_n, base_codec->state.fps_d);
- time += base_codec->state.segment.time;
- GST_DEBUG ("query position %lld", time);
- res = gst_base_video_encoded_video_convert (&base_codec->state,
- GST_FORMAT_TIME, time, &format, &value);
- if (!res)
- goto error;
-
- gst_query_set_position (query, format, value);
- break;
- }
- case GST_QUERY_DURATION:
- res = gst_pad_query (GST_PAD_PEER (base_codec->sinkpad), query);
- if (!res)
- goto error;
- break;
- case GST_QUERY_CONVERT:
- {
- GstFormat src_fmt, dest_fmt;
- gint64 src_val, dest_val;
-
- GST_DEBUG ("query convert");
-
- gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
- res = gst_base_video_encoded_video_convert (&base_codec->state,
- src_fmt, src_val, &dest_fmt, &dest_val);
- if (!res)
- goto error;
- gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
- break;
- }
- default:
- res = gst_pad_query_default (pad, query);
- break;
- }
-done:
- gst_object_unref (base_codec);
-
- return res;
-error:
- GST_DEBUG_OBJECT (base_codec, "query failed");
- goto done;
-}
-#endif
-
-#ifdef unused
-static gboolean
-gst_base_video_codec_sink_query (GstPad * pad, GstQuery * query)
-{
- GstBaseVideoCodec *base_video_codec;
- gboolean res = FALSE;
-
- base_video_codec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
-
- switch (GST_QUERY_TYPE (query)) {
- case GST_QUERY_CONVERT:
- {
- GstFormat src_fmt, dest_fmt;
- gint64 src_val, dest_val;
-
- gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
- res = gst_base_video_encoded_video_convert (&base_video_codec->state,
- src_fmt, src_val, &dest_fmt, &dest_val);
- if (!res)
- goto error;
- gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
- break;
- }
- default:
- res = gst_pad_query_default (pad, query);
- break;
- }
-done:
- gst_object_unref (base_video_codec);
-
- return res;
-error:
- GST_DEBUG_OBJECT (base_video_codec, "query failed");
- goto done;
-}
-#endif
-
-#ifdef unused
-static gboolean
-gst_base_video_codec_src_event (GstPad * pad, GstEvent * event)
-{
- GstBaseVideoCodec *base_video_codec;
- gboolean res = FALSE;
-
- base_video_codec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_SEEK:
- {
- GstFormat format, tformat;
- gdouble rate;
- GstEvent *real_seek;
- GstSeekFlags flags;
- GstSeekType cur_type, stop_type;
- gint64 cur, stop;
- gint64 tcur, tstop;
-
- gst_event_parse_seek (event, &rate, &format, &flags, &cur_type,
- &cur, &stop_type, &stop);
- gst_event_unref (event);
-
- tformat = GST_FORMAT_TIME;
- res = gst_base_video_encoded_video_convert (&base_video_codec->state,
- format, cur, &tformat, &tcur);
- if (!res)
- goto convert_error;
- res = gst_base_video_encoded_video_convert (&base_video_codec->state,
- format, stop, &tformat, &tstop);
- if (!res)
- goto convert_error;
-
- real_seek = gst_event_new_seek (rate, GST_FORMAT_TIME,
- flags, cur_type, tcur, stop_type, tstop);
-
- res = gst_pad_push_event (base_video_codec->sinkpad, real_seek);
-
- break;
- }
-#if 0
- case GST_EVENT_QOS:
- {
- gdouble proportion;
- GstClockTimeDiff diff;
- GstClockTime timestamp;
-
- gst_event_parse_qos (event, &proportion, &diff, ×tamp);
-
- GST_OBJECT_LOCK (base_video_codec);
- base_video_codec->proportion = proportion;
- base_video_codec->earliest_time = timestamp + diff;
- GST_OBJECT_UNLOCK (base_video_codec);
-
- GST_DEBUG_OBJECT (base_video_codec,
- "got QoS %" GST_TIME_FORMAT ", %" G_GINT64_FORMAT,
- GST_TIME_ARGS (timestamp), diff);
-
- res = gst_pad_push_event (base_video_codec->sinkpad, event);
- break;
- }
-#endif
- default:
- res = gst_pad_push_event (base_video_codec->sinkpad, event);
- break;
- }
-done:
- gst_object_unref (base_video_codec);
- return res;
-
-convert_error:
- GST_DEBUG_OBJECT (base_video_codec, "could not convert format");
- goto done;
-}
-#endif
-
-#ifdef unused
-static gboolean
-gst_base_video_codec_sink_event (GstPad * pad, GstEvent * event)
-{
- GstBaseVideoCodec *base_video_codec;
- gboolean ret = FALSE;
-
- base_video_codec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_FLUSH_START:
- ret = gst_pad_push_event (base_video_codec->srcpad, event);
- break;
- case GST_EVENT_FLUSH_STOP:
- gst_base_video_codec_reset (base_video_codec);
- ret = gst_pad_push_event (base_video_codec->srcpad, event);
- break;
- case GST_EVENT_EOS:
- if (gst_base_video_codec_push_all (base_video_codec,
- FALSE) == GST_FLOW_ERROR) {
- gst_event_unref (event);
- return FALSE;
- }
-
- ret = gst_pad_push_event (base_video_codec->srcpad, event);
- break;
- case GST_EVENT_NEWSEGMENT:
- {
- gboolean update;
- GstFormat format;
- gdouble rate;
- gint64 start, stop, time;
-
- gst_event_parse_new_segment (event, &update, &rate, &format, &start,
- &stop, &time);
-
- if (format != GST_FORMAT_TIME)
- goto newseg_wrong_format;
-
- if (rate <= 0.0)
- goto newseg_wrong_rate;
-
- GST_DEBUG ("newsegment %lld %lld", start, time);
- gst_segment_set_newsegment (&base_video_codec->state.segment, update,
- rate, format, start, stop, time);
-
- ret = gst_pad_push_event (base_video_codec->srcpad, event);
- break;
- }
- default:
- ret = gst_pad_push_event (base_video_codec->srcpad, event);
- break;
- }
-done:
- gst_object_unref (base_video_codec);
- return ret;
-
-newseg_wrong_format:
- GST_DEBUG_OBJECT (base_video_codec, "received non TIME newsegment");
- gst_event_unref (event);
- goto done;
-
-newseg_wrong_rate:
- GST_DEBUG_OBJECT (base_video_codec, "negative rates not supported");
- gst_event_unref (event);
- goto done;
-}
-#endif
-
-
-static GstStateChangeReturn
-gst_base_video_codec_change_state (GstElement * element,
- GstStateChange transition)
-{
- GstBaseVideoCodec *base_video_codec = GST_BASE_VIDEO_CODEC (element);
- GstStateChangeReturn ret;
-
- switch (transition) {
- case GST_STATE_CHANGE_NULL_TO_READY:
- break;
- case GST_STATE_CHANGE_READY_TO_PAUSED:
- gst_base_video_codec_reset (base_video_codec);
- break;
- case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
- break;
- default:
- break;
- }
-
- ret = parent_class->change_state (element, transition);
-
- switch (transition) {
- case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
- break;
- case GST_STATE_CHANGE_PAUSED_TO_READY:
- gst_base_video_codec_reset (base_video_codec);
- break;
- case GST_STATE_CHANGE_READY_TO_NULL:
- break;
- default:
- break;
- }
-
- return ret;
-}
-
-#if 0
-guint64
-gst_base_video_codec_get_timestamp (GstBaseVideoCodec * base_video_codec,
- int picture_number)
-{
- if (picture_number < 0) {
- return base_video_codec->timestamp_offset -
- (gint64) gst_util_uint64_scale (-picture_number,
- base_video_codec->state.fps_d * GST_SECOND,
- base_video_codec->state.fps_n);
- } else {
- return base_video_codec->timestamp_offset +
- gst_util_uint64_scale (picture_number,
- base_video_codec->state.fps_d * GST_SECOND,
- base_video_codec->state.fps_n);
- }
-}
-#endif
-
-GstVideoFrame *
-gst_base_video_codec_new_frame (GstBaseVideoCodec * base_video_codec)
-{
- GstVideoFrame *frame;
-
- frame = g_malloc0 (sizeof (GstVideoFrame));
-
- frame->system_frame_number = base_video_codec->system_frame_number;
- base_video_codec->system_frame_number++;
-
- return frame;
-}
-
-void
-gst_base_video_codec_free_frame (GstVideoFrame * frame)
-{
- if (frame->sink_buffer) {
- gst_buffer_unref (frame->sink_buffer);
- }
-#if 0
- if (frame->src_buffer) {
- gst_buffer_unref (frame->src_buffer);
- }
-#endif
-
- g_free (frame);
-}
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2008 David Schleef <ds@schleef.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifndef _GST_BASE_VIDEO_CODEC_H_
-#define _GST_BASE_VIDEO_CODEC_H_
-
-#include <gst/gst.h>
-#include <gst/video/gstvideocompat.h>
-#include <gst/video/gstbasevideoutils.h>
-
-G_BEGIN_DECLS
-
-#define GST_TYPE_BASE_VIDEO_CODEC \
- (gst_base_video_codec_get_type())
-#define GST_BASE_VIDEO_CODEC(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_VIDEO_CODEC,GstBaseVideoCodec))
-#define GST_BASE_VIDEO_CODEC_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_VIDEO_CODEC,GstBaseVideoCodecClass))
-#define GST_BASE_VIDEO_CODEC_GET_CLASS(obj) \
- (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_BASE_VIDEO_CODEC,GstBaseVideoCodecClass))
-#define GST_IS_BASE_VIDEO_CODEC(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_VIDEO_CODEC))
-#define GST_IS_BASE_VIDEO_CODEC_CLASS(obj) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_VIDEO_CODEC))
-
-/**
- * GST_BASE_VIDEO_CODEC_SINK_NAME:
- *
- * The name of the templates for the sink pad.
- */
-#define GST_BASE_VIDEO_CODEC_SINK_NAME "sink"
-/**
- * GST_BASE_VIDEO_CODEC_SRC_NAME:
- *
- * The name of the templates for the source pad.
- */
-#define GST_BASE_VIDEO_CODEC_SRC_NAME "src"
-
-/**
- * GST_BASE_VIDEO_CODEC_SRC_PAD:
- * @obj: base video codec instance
- *
- * Gives the pointer to the source #GstPad object of the element.
- */
-#define GST_BASE_VIDEO_CODEC_SRC_PAD(obj) (((GstBaseVideoCodec *) (obj))->srcpad)
-
-/**
- * GST_BASE_VIDEO_CODEC_SINK_PAD:
- * @obj: base video codec instance
- *
- * Gives the pointer to the sink #GstPad object of the element.
- */
-#define GST_BASE_VIDEO_CODEC_SINK_PAD(obj) (((GstBaseVideoCodec *) (obj))->sinkpad)
-
-/**
- * GST_BASE_VIDEO_CODEC_FLOW_NEED_DATA:
- *
- */
-#define GST_BASE_VIDEO_CODEC_FLOW_NEED_DATA GST_FLOW_CUSTOM_SUCCESS
-
-typedef struct _GstBaseVideoCodec GstBaseVideoCodec;
-typedef struct _GstBaseVideoCodecClass GstBaseVideoCodecClass;
-
-struct _GstBaseVideoCodec
-{
- GstElement element;
-
- /*< private >*/
- GstPad *sinkpad;
- GstPad *srcpad;
- GstAdapter *input_adapter;
- GstAdapter *output_adapter;
-
-#if 0
- /* FIXME need to move from subclasses */
- GstVideoState state;
-#endif
-
- //int reorder_depth;
-
- //gboolean have_sync;
- //gboolean discont;
- //gboolean started;
-
- //GstVideoFrame *current_frame;
- //int distance_from_sync;
-
- //gboolean sink_clipping;
-
- //guint64 presentation_frame_number;
- guint64 system_frame_number;
-
- //GstCaps *caps;
- //gboolean set_output_caps;
-
- //GstClockTime buffer_timestamp;
-
- GstClockTime timestamp_offset;
-};
-
-struct _GstBaseVideoCodecClass
-{
- GstElementClass element_class;
-
- gboolean (*start) (GstBaseVideoCodec *codec);
- gboolean (*stop) (GstBaseVideoCodec *codec);
- gboolean (*reset) (GstBaseVideoCodec *codec);
- GstFlowReturn (*parse_data) (GstBaseVideoCodec *codec, gboolean at_eos);
- int (*scan_for_sync) (GstAdapter *adapter, gboolean at_eos,
- int offset, int n);
- GstFlowReturn (*shape_output) (GstBaseVideoCodec *codec, GstVideoFrame *frame);
- GstCaps *(*get_caps) (GstBaseVideoCodec *codec);
-
-};
-
-GType gst_base_video_codec_get_type (void);
-
-#if 0
-guint64 gst_base_video_codec_get_timestamp (GstBaseVideoCodec *codec,
- int picture_number);
-#endif
-
-GstVideoFrame * gst_base_video_codec_new_frame (GstBaseVideoCodec *base_video_codec);
-void gst_base_video_codec_free_frame (GstVideoFrame *frame);
-
-
-G_END_DECLS
-
-#endif
-
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2008 David Schleef <ds@schleef.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "gstbasevideodecoder.h"
-
-#include <string.h>
-
-GST_DEBUG_CATEGORY_EXTERN (basevideo_debug);
-#define GST_CAT_DEFAULT basevideo_debug
-
-static void gst_base_video_decoder_finalize (GObject * object);
-
-static gboolean gst_base_video_decoder_sink_setcaps (GstPad * pad,
- GstCaps * caps);
-static gboolean gst_base_video_decoder_sink_event (GstPad * pad,
- GstEvent * event);
-static gboolean gst_base_video_decoder_src_event (GstPad * pad,
- GstEvent * event);
-static GstFlowReturn gst_base_video_decoder_chain (GstPad * pad,
- GstBuffer * buf);
-static gboolean gst_base_video_decoder_sink_query (GstPad * pad,
- GstQuery * query);
-//static GstFlowReturn gst_base_video_decoder_process (GstBaseVideoDecoder *base_video_decoder);
-static GstStateChangeReturn gst_base_video_decoder_change_state (GstElement *
- element, GstStateChange transition);
-static const GstQueryType *gst_base_video_decoder_get_query_types (GstPad *
- pad);
-static gboolean gst_base_video_decoder_src_query (GstPad * pad,
- GstQuery * query);
-static gboolean gst_base_video_decoder_src_convert (GstPad * pad,
- GstFormat src_format, gint64 src_value, GstFormat * dest_format,
- gint64 * dest_value);
-static void gst_base_video_decoder_reset (GstBaseVideoDecoder *
- base_video_decoder);
-
-static GstFlowReturn
-gst_base_video_decoder_have_frame_2 (GstBaseVideoDecoder * base_video_decoder);
-
-static guint64
-gst_base_video_decoder_get_timestamp (GstBaseVideoDecoder * base_video_decoder,
- int picture_number);
-static guint64
-gst_base_video_decoder_get_field_timestamp (GstBaseVideoDecoder *
- base_video_decoder, int field_offset);
-static guint64 gst_base_video_decoder_get_field_duration (GstBaseVideoDecoder *
- base_video_decoder, int n_fields);
-static GstVideoFrame *gst_base_video_decoder_new_frame (GstBaseVideoDecoder *
- base_video_decoder);
-static void gst_base_video_decoder_free_frame (GstVideoFrame * frame);
-
-GST_BOILERPLATE (GstBaseVideoDecoder, gst_base_video_decoder,
- GstBaseVideoCodec, GST_TYPE_BASE_VIDEO_CODEC);
-
-static void
-gst_base_video_decoder_base_init (gpointer g_class)
-{
-
-}
-
-static void
-gst_base_video_decoder_class_init (GstBaseVideoDecoderClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
-
- gobject_class = G_OBJECT_CLASS (klass);
- gstelement_class = GST_ELEMENT_CLASS (klass);
-
- gobject_class->finalize = gst_base_video_decoder_finalize;
-
- gstelement_class->change_state = gst_base_video_decoder_change_state;
-
- parent_class = g_type_class_peek_parent (klass);
-}
-
-static void
-gst_base_video_decoder_init (GstBaseVideoDecoder * base_video_decoder,
- GstBaseVideoDecoderClass * klass)
-{
- GstPad *pad;
-
- GST_DEBUG ("gst_base_video_decoder_init");
-
- pad = GST_BASE_VIDEO_CODEC_SINK_PAD (base_video_decoder);
-
- gst_pad_set_chain_function (pad, gst_base_video_decoder_chain);
- gst_pad_set_event_function (pad, gst_base_video_decoder_sink_event);
- gst_pad_set_setcaps_function (pad, gst_base_video_decoder_sink_setcaps);
- gst_pad_set_query_function (pad, gst_base_video_decoder_sink_query);
-
- pad = GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_decoder);
-
- gst_pad_set_event_function (pad, gst_base_video_decoder_src_event);
- gst_pad_set_query_type_function (pad, gst_base_video_decoder_get_query_types);
- gst_pad_set_query_function (pad, gst_base_video_decoder_src_query);
- gst_pad_use_fixed_caps (pad);
-
- base_video_decoder->input_adapter = gst_adapter_new ();
- base_video_decoder->output_adapter = gst_adapter_new ();
-
- gst_segment_init (&base_video_decoder->segment, GST_FORMAT_TIME);
- gst_base_video_decoder_reset (base_video_decoder);
-
- base_video_decoder->current_frame =
- gst_base_video_decoder_new_frame (base_video_decoder);
-
- base_video_decoder->sink_clipping = TRUE;
-}
-
-static gboolean
-gst_base_video_decoder_sink_setcaps (GstPad * pad, GstCaps * caps)
-{
- GstBaseVideoDecoder *base_video_decoder;
- GstBaseVideoDecoderClass *base_video_decoder_class;
- GstStructure *structure;
- const GValue *codec_data;
- GstVideoState *state;
- gboolean ret = TRUE;
-
- base_video_decoder = GST_BASE_VIDEO_DECODER (gst_pad_get_parent (pad));
- base_video_decoder_class =
- GST_BASE_VIDEO_DECODER_GET_CLASS (base_video_decoder);
-
- GST_DEBUG ("setcaps %" GST_PTR_FORMAT, caps);
-
- state = &base_video_decoder->state;
-
- if (state->codec_data) {
- gst_buffer_unref (state->codec_data);
- }
- memset (state, 0, sizeof (GstVideoState));
-
- structure = gst_caps_get_structure (caps, 0);
-
- gst_video_format_parse_caps (caps, NULL, &state->width, &state->height);
- gst_video_parse_caps_framerate (caps, &state->fps_n, &state->fps_d);
- gst_video_parse_caps_pixel_aspect_ratio (caps, &state->par_n, &state->par_d);
-
-#if 0
- /* requires 0.10.23 */
- state->have_interlaced =
- gst_video_format_parse_caps_interlaced (caps, &state->interlaced);
-#else
- state->have_interlaced = gst_structure_get_boolean (structure,
- "interlaced", &state->interlaced);
-#endif
-
- codec_data = gst_structure_get_value (structure, "codec_data");
- if (codec_data && G_VALUE_TYPE (codec_data) == GST_TYPE_BUFFER) {
- state->codec_data = gst_value_get_buffer (codec_data);
- }
-
- if (base_video_decoder_class->start) {
- ret = base_video_decoder_class->start (base_video_decoder);
- }
-
- g_object_unref (base_video_decoder);
-
- return ret;
-}
-
-static void
-gst_base_video_decoder_finalize (GObject * object)
-{
- GstBaseVideoDecoder *base_video_decoder;
- GstBaseVideoDecoderClass *base_video_decoder_class;
-
- g_return_if_fail (GST_IS_BASE_VIDEO_DECODER (object));
- base_video_decoder = GST_BASE_VIDEO_DECODER (object);
- base_video_decoder_class = GST_BASE_VIDEO_DECODER_GET_CLASS (object);
-
- gst_base_video_decoder_reset (base_video_decoder);
-
- if (base_video_decoder->input_adapter) {
- g_object_unref (base_video_decoder->input_adapter);
- base_video_decoder->input_adapter = NULL;
- }
- if (base_video_decoder->output_adapter) {
- g_object_unref (base_video_decoder->output_adapter);
- base_video_decoder->output_adapter = NULL;
- }
-
- GST_DEBUG_OBJECT (object, "finalize");
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static gboolean
-gst_base_video_decoder_sink_event (GstPad * pad, GstEvent * event)
-{
- GstBaseVideoDecoder *base_video_decoder;
- GstBaseVideoDecoderClass *base_video_decoder_class;
- gboolean ret = FALSE;
-
- base_video_decoder = GST_BASE_VIDEO_DECODER (gst_pad_get_parent (pad));
- base_video_decoder_class =
- GST_BASE_VIDEO_DECODER_GET_CLASS (base_video_decoder);
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_EOS:
- {
- if (!base_video_decoder->packetized) {
- GstFlowReturn flow_ret;
-
- do {
- flow_ret =
- base_video_decoder_class->parse_data (base_video_decoder, TRUE);
- } while (flow_ret == GST_FLOW_OK);
- }
-
- if (base_video_decoder_class->finish) {
- base_video_decoder_class->finish (base_video_decoder);
- }
-
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_decoder),
- event);
- }
- break;
- case GST_EVENT_NEWSEGMENT:
- {
- gboolean update;
- double rate;
- double applied_rate;
- GstFormat format;
- gint64 start;
- gint64 stop;
- gint64 position;
- GstSegment *segment = &base_video_decoder->segment;
-
- gst_event_parse_new_segment_full (event, &update, &rate,
- &applied_rate, &format, &start, &stop, &position);
-
- if (format != GST_FORMAT_TIME)
- goto newseg_wrong_format;
-
- if (!update) {
- gst_base_video_decoder_reset (base_video_decoder);
- }
-
- base_video_decoder->timestamp_offset = start;
-
- gst_segment_set_newsegment_full (segment,
- update, rate, applied_rate, format, start, stop, position);
-
- GST_WARNING ("new segment: format %d rate %g start %" GST_TIME_FORMAT
- " stop %" GST_TIME_FORMAT
- " position %" GST_TIME_FORMAT
- " update %d",
- format, rate,
- GST_TIME_ARGS (segment->start),
- GST_TIME_ARGS (segment->stop), GST_TIME_ARGS (segment->time), update);
-
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_decoder),
- event);
- }
- break;
- case GST_EVENT_FLUSH_STOP:{
- GST_OBJECT_LOCK (base_video_decoder);
- base_video_decoder->earliest_time = GST_CLOCK_TIME_NONE;
- base_video_decoder->proportion = 0.5;
- GST_OBJECT_UNLOCK (base_video_decoder);
- }
- default:
- /* FIXME this changes the order of events */
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_decoder),
- event);
- break;
- }
-
-done:
- gst_object_unref (base_video_decoder);
- return ret;
-
-newseg_wrong_format:
- {
- GST_DEBUG_OBJECT (base_video_decoder, "received non TIME newsegment");
- gst_event_unref (event);
- goto done;
- }
-}
-
-static gboolean
-gst_base_video_decoder_src_event (GstPad * pad, GstEvent * event)
-{
- GstBaseVideoDecoder *base_video_decoder;
- gboolean res = FALSE;
-
- base_video_decoder = GST_BASE_VIDEO_DECODER (gst_pad_get_parent (pad));
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_SEEK:
- {
- GstFormat format, tformat;
- gdouble rate;
- GstEvent *real_seek;
- GstSeekFlags flags;
- GstSeekType cur_type, stop_type;
- gint64 cur, stop;
- gint64 tcur, tstop;
-
- GST_DEBUG ("seek event");
-
- gst_event_parse_seek (event, &rate, &format, &flags, &cur_type,
- &cur, &stop_type, &stop);
- gst_event_unref (event);
-
- tformat = GST_FORMAT_TIME;
- res =
- gst_base_video_decoder_src_convert (pad, format, cur, &tformat,
- &tcur);
- if (!res)
- goto convert_error;
- res =
- gst_base_video_decoder_src_convert (pad, format, stop, &tformat,
- &tstop);
- if (!res)
- goto convert_error;
-
- real_seek = gst_event_new_seek (rate, GST_FORMAT_TIME,
- flags, cur_type, tcur, stop_type, tstop);
-
- res =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SINK_PAD
- (base_video_decoder), real_seek);
-
- break;
- }
- case GST_EVENT_QOS:
- {
- gdouble proportion;
- GstClockTimeDiff diff;
- GstClockTime timestamp;
- GstClockTime duration;
-
- gst_event_parse_qos (event, &proportion, &diff, ×tamp);
-
- GST_OBJECT_LOCK (base_video_decoder);
- base_video_decoder->proportion = proportion;
- if (G_LIKELY (GST_CLOCK_TIME_IS_VALID (timestamp))) {
- if (G_UNLIKELY (diff > 0)) {
- if (base_video_decoder->state.fps_n > 0)
- duration =
- gst_util_uint64_scale (GST_SECOND,
- base_video_decoder->state.fps_d,
- base_video_decoder->state.fps_n);
- else
- duration = 0;
- base_video_decoder->earliest_time = timestamp + 2 * diff + duration;
- } else {
- base_video_decoder->earliest_time = timestamp + diff;
- }
- } else {
- base_video_decoder->earliest_time = GST_CLOCK_TIME_NONE;
- }
- GST_OBJECT_UNLOCK (base_video_decoder);
-
- GST_DEBUG_OBJECT (base_video_decoder,
- "got QoS %" GST_TIME_FORMAT ", %" G_GINT64_FORMAT ", %g",
- GST_TIME_ARGS (timestamp), diff, proportion);
-
- res =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SINK_PAD
- (base_video_decoder), event);
- break;
- }
- default:
- res =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SINK_PAD
- (base_video_decoder), event);
- break;
- }
-done:
- gst_object_unref (base_video_decoder);
- return res;
-
-convert_error:
- GST_DEBUG_OBJECT (base_video_decoder, "could not convert format");
- goto done;
-}
-
-
-#if 0
-static gboolean
-gst_base_video_decoder_sink_convert (GstPad * pad,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
-{
- gboolean res = TRUE;
- GstBaseVideoDecoder *enc;
-
- if (src_format == *dest_format) {
- *dest_value = src_value;
- return TRUE;
- }
-
- enc = GST_BASE_VIDEO_DECODER (gst_pad_get_parent (pad));
-
- /* FIXME: check if we are in a decoding state */
-
- switch (src_format) {
- case GST_FORMAT_BYTES:
- switch (*dest_format) {
-#if 0
- case GST_FORMAT_DEFAULT:
- *dest_value = gst_util_uint64_scale_int (src_value, 1,
- enc->bytes_per_picture);
- break;
-#endif
- case GST_FORMAT_TIME:
- /* seems like a rather silly conversion, implement me if you like */
- default:
- res = FALSE;
- }
- break;
- case GST_FORMAT_DEFAULT:
- switch (*dest_format) {
- case GST_FORMAT_TIME:
- *dest_value = gst_util_uint64_scale (src_value,
- GST_SECOND * enc->fps_d, enc->fps_n);
- break;
-#if 0
- case GST_FORMAT_BYTES:
- *dest_value = gst_util_uint64_scale_int (src_value,
- enc->bytes_per_picture, 1);
- break;
-#endif
- default:
- res = FALSE;
- }
- break;
- default:
- res = FALSE;
- break;
- }
-}
-#endif
-
-static gboolean
-gst_base_video_decoder_src_convert (GstPad * pad,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
-{
- gboolean res = TRUE;
- GstBaseVideoDecoder *enc;
-
- if (src_format == *dest_format) {
- *dest_value = src_value;
- return TRUE;
- }
-
- enc = GST_BASE_VIDEO_DECODER (gst_pad_get_parent (pad));
-
- /* FIXME: check if we are in a encoding state */
-
- GST_DEBUG ("src convert");
- switch (src_format) {
-#if 0
- case GST_FORMAT_DEFAULT:
- switch (*dest_format) {
- case GST_FORMAT_TIME:
- *dest_value = gst_util_uint64_scale (granulepos_to_frame (src_value),
- enc->fps_d * GST_SECOND, enc->fps_n);
- break;
- default:
- res = FALSE;
- }
- break;
- case GST_FORMAT_TIME:
- switch (*dest_format) {
- case GST_FORMAT_DEFAULT:
- {
- *dest_value = gst_util_uint64_scale (src_value,
- enc->fps_n, enc->fps_d * GST_SECOND);
- break;
- }
- default:
- res = FALSE;
- break;
- }
- break;
-#endif
- default:
- res = FALSE;
- break;
- }
-
- gst_object_unref (enc);
-
- return res;
-}
-
-static const GstQueryType *
-gst_base_video_decoder_get_query_types (GstPad * pad)
-{
- static const GstQueryType query_types[] = {
- GST_QUERY_POSITION,
- GST_QUERY_DURATION,
- GST_QUERY_CONVERT,
- 0
- };
-
- return query_types;
-}
-
-static gboolean
-gst_base_video_decoder_src_query (GstPad * pad, GstQuery * query)
-{
- GstBaseVideoDecoder *enc;
- gboolean res = TRUE;
-
- enc = GST_BASE_VIDEO_DECODER (gst_pad_get_parent (pad));
-
- switch GST_QUERY_TYPE
- (query) {
- case GST_QUERY_POSITION:
- {
- GstFormat format;
- gint64 time;
-
- gst_query_parse_position (query, &format, NULL);
- GST_DEBUG ("query in format %d", format);
-
- if (format != GST_FORMAT_TIME) {
- goto error;
- }
-
- time = enc->last_timestamp;
- time = gst_segment_to_stream_time (&enc->segment, GST_FORMAT_TIME, time);
-
- gst_query_set_position (query, format, time);
-
- res = TRUE;
-
- break;
- }
- case GST_QUERY_DURATION:
- {
- res = gst_pad_peer_query (enc->base_video_codec.sinkpad, query);
- break;
- }
- case GST_QUERY_CONVERT:
- {
- GstFormat src_fmt, dest_fmt;
- gint64 src_val, dest_val;
-
- GST_DEBUG ("convert query");
-
- gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
- res =
- gst_base_video_decoder_src_convert (pad, src_fmt, src_val, &dest_fmt,
- &dest_val);
- if (!res)
- goto error;
- gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
- break;
- }
- default:
- res = gst_pad_query_default (pad, query);
- }
- gst_object_unref (enc);
- return res;
-
-error:
- GST_ERROR_OBJECT (enc, "query failed");
- gst_object_unref (enc);
- return res;
-}
-
-static gboolean
-gst_base_video_decoder_sink_query (GstPad * pad, GstQuery * query)
-{
- GstBaseVideoDecoder *base_video_decoder;
- gboolean res = FALSE;
-
- base_video_decoder = GST_BASE_VIDEO_DECODER (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (base_video_decoder, "sink query fps=%d/%d",
- base_video_decoder->state.fps_n, base_video_decoder->state.fps_d);
- switch (GST_QUERY_TYPE (query)) {
- case GST_QUERY_CONVERT:
- {
- GstFormat src_fmt, dest_fmt;
- gint64 src_val, dest_val;
-
- gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
- res = gst_base_video_rawvideo_convert (&base_video_decoder->state,
- src_fmt, src_val, &dest_fmt, &dest_val);
- if (!res)
- goto error;
- gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
- break;
- }
- default:
- res = gst_pad_query_default (pad, query);
- break;
- }
-done:
- gst_object_unref (base_video_decoder);
-
- return res;
-error:
- GST_DEBUG_OBJECT (base_video_decoder, "query failed");
- goto done;
-}
-
-
-#if 0
-static gboolean
-gst_pad_is_negotiated (GstPad * pad)
-{
- GstCaps *caps;
-
- g_return_val_if_fail (pad != NULL, FALSE);
-
- caps = gst_pad_get_negotiated_caps (pad);
- if (caps) {
- gst_caps_unref (caps);
- return TRUE;
- }
-
- return FALSE;
-}
-#endif
-
-typedef struct _Timestamp Timestamp;
-struct _Timestamp
-{
- guint64 offset;
- GstClockTime timestamp;
- GstClockTime duration;
-};
-
-static void
-gst_base_video_decoder_add_timestamp (GstBaseVideoDecoder * base_video_decoder,
- GstBuffer * buffer)
-{
- Timestamp *ts;
-
- ts = g_malloc (sizeof (Timestamp));
-
- GST_DEBUG ("adding timestamp %lld %" GST_TIME_FORMAT,
- base_video_decoder->input_offset,
- GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)));
-
- ts->offset = base_video_decoder->input_offset;
- ts->timestamp = GST_BUFFER_TIMESTAMP (buffer);
- ts->duration = GST_BUFFER_DURATION (buffer);
-
- base_video_decoder->timestamps =
- g_list_append (base_video_decoder->timestamps, ts);
-}
-
-static void
-gst_base_video_decoder_get_timestamp_at_offset (GstBaseVideoDecoder *
- base_video_decoder, guint64 offset, GstClockTime * timestamp,
- GstClockTime * duration)
-{
- Timestamp *ts;
- GList *g;
-
- *timestamp = GST_CLOCK_TIME_NONE;
- *duration = GST_CLOCK_TIME_NONE;
-
- g = base_video_decoder->timestamps;
- while (g) {
- ts = g->data;
- if (ts->offset <= offset) {
- *timestamp = ts->timestamp;
- *duration = ts->duration;
- g_free (ts);
- g = g_list_next (g);
- base_video_decoder->timestamps =
- g_list_remove (base_video_decoder->timestamps, ts);
- } else {
- break;
- }
- }
-
- GST_DEBUG ("got timestamp %lld %" GST_TIME_FORMAT,
- offset, GST_TIME_ARGS (*timestamp));
-}
-
-static void
-gst_base_video_decoder_reset (GstBaseVideoDecoder * base_video_decoder)
-{
- GstBaseVideoDecoderClass *base_video_decoder_class;
- GList *g;
-
- base_video_decoder_class =
- GST_BASE_VIDEO_DECODER_GET_CLASS (base_video_decoder);
-
- GST_DEBUG ("reset");
-
- base_video_decoder->started = FALSE;
-
- base_video_decoder->discont = TRUE;
- base_video_decoder->have_sync = FALSE;
-
- base_video_decoder->timestamp_offset = GST_CLOCK_TIME_NONE;
- base_video_decoder->system_frame_number = 0;
- base_video_decoder->presentation_frame_number = 0;
- base_video_decoder->base_picture_number = 0;
- base_video_decoder->last_timestamp = GST_CLOCK_TIME_NONE;
-
- base_video_decoder->input_offset = 0;
- base_video_decoder->frame_offset = 0;
-
- /* This function could be called from finalize() */
- if (base_video_decoder->input_adapter) {
- gst_adapter_clear (base_video_decoder->input_adapter);
- }
- if (base_video_decoder->output_adapter) {
- gst_adapter_clear (base_video_decoder->output_adapter);
- }
-
- if (base_video_decoder->caps) {
- gst_caps_unref (base_video_decoder->caps);
- base_video_decoder->caps = NULL;
- }
- //gst_segment_init (&base_video_decoder->segment, GST_FORMAT_TIME);
-
- if (base_video_decoder->current_frame) {
- gst_base_video_decoder_free_frame (base_video_decoder->current_frame);
- base_video_decoder->current_frame = NULL;
- }
-
- base_video_decoder->have_src_caps = FALSE;
-
- for (g = g_list_first (base_video_decoder->frames); g; g = g_list_next (g)) {
- GstVideoFrame *frame = g->data;
- gst_base_video_decoder_free_frame (frame);
- }
- g_list_free (base_video_decoder->frames);
- base_video_decoder->frames = NULL;
-
- GST_OBJECT_LOCK (base_video_decoder);
- base_video_decoder->earliest_time = GST_CLOCK_TIME_NONE;
- base_video_decoder->proportion = 0.5;
- GST_OBJECT_UNLOCK (base_video_decoder);
-
- if (base_video_decoder_class->reset) {
- base_video_decoder_class->reset (base_video_decoder);
- }
-}
-
-static GstFlowReturn
-gst_base_video_decoder_chain (GstPad * pad, GstBuffer * buf)
-{
- GstBaseVideoDecoder *base_video_decoder;
- GstBaseVideoDecoderClass *klass;
- GstFlowReturn ret;
-
- GST_DEBUG ("chain %" GST_TIME_FORMAT " duration %" GST_TIME_FORMAT,
- GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
- GST_TIME_ARGS (GST_BUFFER_DURATION (buf)));
-
-#if 0
- /* requiring the pad to be negotiated makes it impossible to use
- * oggdemux or filesrc ! decoder */
- if (!gst_pad_is_negotiated (pad)) {
- GST_DEBUG ("not negotiated");
- return GST_FLOW_NOT_NEGOTIATED;
- }
-#endif
-
- base_video_decoder = GST_BASE_VIDEO_DECODER (gst_pad_get_parent (pad));
- klass = GST_BASE_VIDEO_DECODER_GET_CLASS (base_video_decoder);
-
- GST_DEBUG_OBJECT (base_video_decoder, "chain");
-
- if (G_UNLIKELY (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DISCONT))) {
- GST_DEBUG_OBJECT (base_video_decoder, "received DISCONT buffer");
- gst_base_video_decoder_reset (base_video_decoder);
- }
-
- if (!base_video_decoder->started) {
- klass->start (base_video_decoder);
- base_video_decoder->started = TRUE;
- }
-
- if (base_video_decoder->current_frame == NULL) {
- base_video_decoder->current_frame =
- gst_base_video_decoder_new_frame (base_video_decoder);
- }
-
- if (GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
- gst_base_video_decoder_add_timestamp (base_video_decoder, buf);
- }
- base_video_decoder->input_offset += GST_BUFFER_SIZE (buf);
-
-#if 0
- if (base_video_decoder->timestamp_offset == GST_CLOCK_TIME_NONE &&
- GST_BUFFER_TIMESTAMP (buf) != GST_CLOCK_TIME_NONE) {
- GST_DEBUG ("got new offset %lld", GST_BUFFER_TIMESTAMP (buf));
- base_video_decoder->timestamp_offset = GST_BUFFER_TIMESTAMP (buf);
- }
-#endif
-
- if (base_video_decoder->packetized) {
- base_video_decoder->current_frame->sink_buffer = buf;
-
- ret = gst_base_video_decoder_have_frame_2 (base_video_decoder);
- } else {
-
- gst_adapter_push (base_video_decoder->input_adapter, buf);
-
- if (!base_video_decoder->have_sync) {
- int n, m;
-
- GST_DEBUG ("no sync, scanning");
-
- n = gst_adapter_available (base_video_decoder->input_adapter);
- m = klass->scan_for_sync (base_video_decoder, FALSE, 0, n);
- if (m == -1) {
- gst_object_unref (base_video_decoder);
- return GST_FLOW_OK;
- }
-
- if (m >= n) {
- GST_ERROR ("subclass scanned past end %d >= %d", m, n);
- }
-
- gst_adapter_flush (base_video_decoder->input_adapter, m);
-
- if (m < n) {
- GST_DEBUG ("found possible sync after %d bytes (of %d)", m, n);
-
- /* this is only "maybe" sync */
- base_video_decoder->have_sync = TRUE;
- }
-
- if (!base_video_decoder->have_sync) {
- gst_object_unref (base_video_decoder);
- return GST_FLOW_OK;
- }
- }
-
- do {
- ret = klass->parse_data (base_video_decoder, FALSE);
- } while (ret == GST_FLOW_OK);
-
- if (ret == GST_BASE_VIDEO_DECODER_FLOW_NEED_DATA) {
- gst_object_unref (base_video_decoder);
- return GST_FLOW_OK;
- }
- }
-
- gst_object_unref (base_video_decoder);
- return ret;
-}
-
-static GstStateChangeReturn
-gst_base_video_decoder_change_state (GstElement * element,
- GstStateChange transition)
-{
- GstBaseVideoDecoder *base_video_decoder;
- GstBaseVideoDecoderClass *base_video_decoder_class;
- GstStateChangeReturn ret;
-
- base_video_decoder = GST_BASE_VIDEO_DECODER (element);
- base_video_decoder_class = GST_BASE_VIDEO_DECODER_GET_CLASS (element);
-
- switch (transition) {
- default:
- break;
- }
-
- ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
-
- switch (transition) {
- case GST_STATE_CHANGE_PAUSED_TO_READY:
- if (base_video_decoder_class->stop) {
- base_video_decoder_class->stop (base_video_decoder);
- }
- break;
- default:
- break;
- }
-
- return ret;
-}
-
-static void
-gst_base_video_decoder_free_frame (GstVideoFrame * frame)
-{
- g_return_if_fail (frame != NULL);
-
- if (frame->sink_buffer) {
- gst_buffer_unref (frame->sink_buffer);
- }
- if (frame->src_buffer) {
- gst_buffer_unref (frame->src_buffer);
- }
-
- g_free (frame);
-}
-
-static GstVideoFrame *
-gst_base_video_decoder_new_frame (GstBaseVideoDecoder * base_video_decoder)
-{
- GstVideoFrame *frame;
-
- frame = g_malloc0 (sizeof (GstVideoFrame));
-
- frame->system_frame_number = base_video_decoder->system_frame_number;
- base_video_decoder->system_frame_number++;
-
- frame->decode_frame_number = frame->system_frame_number -
- base_video_decoder->reorder_depth;
-
- frame->decode_timestamp = GST_CLOCK_TIME_NONE;
- frame->presentation_timestamp = GST_CLOCK_TIME_NONE;
- frame->presentation_duration = GST_CLOCK_TIME_NONE;
- frame->n_fields = 2;
-
- return frame;
-}
-
-GstFlowReturn
-gst_base_video_decoder_finish_frame (GstBaseVideoDecoder * base_video_decoder,
- GstVideoFrame * frame)
-{
- GstBaseVideoDecoderClass *base_video_decoder_class;
- GstBuffer *src_buffer;
-
- GST_DEBUG ("finish frame");
-
- base_video_decoder_class =
- GST_BASE_VIDEO_DECODER_GET_CLASS (base_video_decoder);
-
- GST_DEBUG ("finish frame sync=%d pts=%lld", frame->is_sync_point,
- frame->presentation_timestamp);
-
- if (GST_CLOCK_TIME_IS_VALID (frame->presentation_timestamp)) {
- if (frame->presentation_timestamp != base_video_decoder->timestamp_offset) {
- GST_DEBUG ("sync timestamp %lld diff %lld",
- frame->presentation_timestamp,
- frame->presentation_timestamp - base_video_decoder->segment.start);
- base_video_decoder->timestamp_offset = frame->presentation_timestamp;
- base_video_decoder->field_index = 0;
- } else {
- /* This case is for one initial timestamp and no others, e.g.,
- * filesrc ! decoder ! xvimagesink */
- GST_WARNING ("sync timestamp didn't change, ignoring");
- frame->presentation_timestamp = GST_CLOCK_TIME_NONE;
- }
- } else {
- if (frame->is_sync_point) {
- GST_WARNING ("sync point doesn't have timestamp");
- if (!GST_CLOCK_TIME_IS_VALID (base_video_decoder->timestamp_offset)) {
- GST_WARNING
- ("No base timestamp. Assuming frames start at segment start");
- base_video_decoder->timestamp_offset =
- base_video_decoder->segment.start;
- base_video_decoder->field_index = 0;
- }
- }
- }
- frame->field_index = base_video_decoder->field_index;
- base_video_decoder->field_index += frame->n_fields;
-
- if (frame->presentation_timestamp == GST_CLOCK_TIME_NONE) {
- frame->presentation_timestamp =
- gst_base_video_decoder_get_field_timestamp (base_video_decoder,
- frame->field_index);
- frame->presentation_duration = GST_CLOCK_TIME_NONE;
- frame->decode_timestamp =
- gst_base_video_decoder_get_timestamp (base_video_decoder,
- frame->decode_frame_number);
- }
- if (frame->presentation_duration == GST_CLOCK_TIME_NONE) {
- frame->presentation_duration =
- gst_base_video_decoder_get_field_duration (base_video_decoder,
- frame->n_fields);
- }
-
- if (GST_CLOCK_TIME_IS_VALID (base_video_decoder->last_timestamp)) {
- if (frame->presentation_timestamp < base_video_decoder->last_timestamp) {
- GST_WARNING ("decreasing timestamp (%lld < %lld)",
- frame->presentation_timestamp, base_video_decoder->last_timestamp);
- }
- }
- base_video_decoder->last_timestamp = frame->presentation_timestamp;
-
- GST_BUFFER_FLAG_UNSET (frame->src_buffer, GST_BUFFER_FLAG_DELTA_UNIT);
- if (base_video_decoder->state.interlaced) {
-#ifndef GST_VIDEO_BUFFER_TFF
-#define GST_VIDEO_BUFFER_TFF (GST_MINI_OBJECT_FLAG_LAST << 5)
-#endif
-#ifndef GST_VIDEO_BUFFER_RFF
-#define GST_VIDEO_BUFFER_RFF (GST_MINI_OBJECT_FLAG_LAST << 6)
-#endif
-#ifndef GST_VIDEO_BUFFER_ONEFIELD
-#define GST_VIDEO_BUFFER_ONEFIELD (GST_MINI_OBJECT_FLAG_LAST << 7)
-#endif
- int tff = base_video_decoder->state.top_field_first;
-
- if (frame->field_index & 1) {
- tff ^= 1;
- }
- if (tff) {
- GST_BUFFER_FLAG_SET (frame->src_buffer, GST_VIDEO_BUFFER_TFF);
- } else {
- GST_BUFFER_FLAG_UNSET (frame->src_buffer, GST_VIDEO_BUFFER_TFF);
- }
- GST_BUFFER_FLAG_UNSET (frame->src_buffer, GST_VIDEO_BUFFER_RFF);
- GST_BUFFER_FLAG_UNSET (frame->src_buffer, GST_VIDEO_BUFFER_ONEFIELD);
- if (frame->n_fields == 3) {
- GST_BUFFER_FLAG_SET (frame->src_buffer, GST_VIDEO_BUFFER_RFF);
- } else if (frame->n_fields == 1) {
- GST_BUFFER_FLAG_UNSET (frame->src_buffer, GST_VIDEO_BUFFER_ONEFIELD);
- }
- }
-
- GST_BUFFER_TIMESTAMP (frame->src_buffer) = frame->presentation_timestamp;
- GST_BUFFER_DURATION (frame->src_buffer) = frame->presentation_duration;
- GST_BUFFER_OFFSET (frame->src_buffer) = GST_BUFFER_OFFSET_NONE;
- GST_BUFFER_OFFSET_END (frame->src_buffer) = GST_BUFFER_OFFSET_NONE;
-
- GST_DEBUG ("pushing frame %" GST_TIME_FORMAT,
- GST_TIME_ARGS (frame->presentation_timestamp));
-
- base_video_decoder->frames =
- g_list_remove (base_video_decoder->frames, frame);
-
- gst_base_video_decoder_set_src_caps (base_video_decoder);
-
- src_buffer = frame->src_buffer;
- frame->src_buffer = NULL;
-
- gst_base_video_decoder_free_frame (frame);
-
- if (base_video_decoder->sink_clipping) {
- gint64 start = GST_BUFFER_TIMESTAMP (src_buffer);
- gint64 stop = GST_BUFFER_TIMESTAMP (src_buffer) +
- GST_BUFFER_DURATION (src_buffer);
-
- if (gst_segment_clip (&base_video_decoder->segment, GST_FORMAT_TIME,
- start, stop, &start, &stop)) {
- GST_BUFFER_TIMESTAMP (src_buffer) = start;
- GST_BUFFER_DURATION (src_buffer) = stop - start;
- GST_DEBUG ("accepting buffer inside segment: %" GST_TIME_FORMAT
- " %" GST_TIME_FORMAT
- " seg %" GST_TIME_FORMAT " to %" GST_TIME_FORMAT
- " time %" GST_TIME_FORMAT,
- GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (src_buffer)),
- GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (src_buffer) +
- GST_BUFFER_DURATION (src_buffer)),
- GST_TIME_ARGS (base_video_decoder->segment.start),
- GST_TIME_ARGS (base_video_decoder->segment.stop),
- GST_TIME_ARGS (base_video_decoder->segment.time));
- } else {
- GST_DEBUG ("dropping buffer outside segment: %" GST_TIME_FORMAT
- " %" GST_TIME_FORMAT
- " seg %" GST_TIME_FORMAT " to %" GST_TIME_FORMAT
- " time %" GST_TIME_FORMAT,
- GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (src_buffer)),
- GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (src_buffer) +
- GST_BUFFER_DURATION (src_buffer)),
- GST_TIME_ARGS (base_video_decoder->segment.start),
- GST_TIME_ARGS (base_video_decoder->segment.stop),
- GST_TIME_ARGS (base_video_decoder->segment.time));
- gst_buffer_unref (src_buffer);
- return GST_FLOW_OK;
- }
- }
-
- return gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_decoder),
- src_buffer);
-}
-
-GstFlowReturn
-gst_base_video_decoder_skip_frame (GstBaseVideoDecoder * base_video_decoder,
- GstVideoFrame * frame)
-{
- GstBaseVideoDecoderClass *base_video_decoder_class;
-
- GST_DEBUG ("finish frame");
-
- base_video_decoder_class =
- GST_BASE_VIDEO_DECODER_GET_CLASS (base_video_decoder);
-
- GST_DEBUG ("finish frame sync=%d pts=%lld", frame->is_sync_point,
- frame->presentation_timestamp);
-
- if (GST_CLOCK_TIME_IS_VALID (frame->presentation_timestamp)) {
- if (frame->presentation_timestamp != base_video_decoder->timestamp_offset) {
- GST_DEBUG ("sync timestamp %lld diff %lld",
- frame->presentation_timestamp,
- frame->presentation_timestamp - base_video_decoder->segment.start);
- base_video_decoder->timestamp_offset = frame->presentation_timestamp;
- base_video_decoder->field_index = 0;
- } else {
- /* This case is for one initial timestamp and no others, e.g.,
- * filesrc ! decoder ! xvimagesink */
- GST_WARNING ("sync timestamp didn't change, ignoring");
- frame->presentation_timestamp = GST_CLOCK_TIME_NONE;
- }
- } else {
- if (frame->is_sync_point) {
- GST_WARNING ("sync point doesn't have timestamp");
- if (GST_CLOCK_TIME_IS_VALID (base_video_decoder->timestamp_offset)) {
- GST_WARNING
- ("No base timestamp. Assuming frames start at segment start");
- base_video_decoder->timestamp_offset =
- base_video_decoder->segment.start;
- base_video_decoder->field_index = 0;
- }
- }
- }
- frame->field_index = base_video_decoder->field_index;
- base_video_decoder->field_index += frame->n_fields;
-
- if (frame->presentation_timestamp == GST_CLOCK_TIME_NONE) {
- frame->presentation_timestamp =
- gst_base_video_decoder_get_field_timestamp (base_video_decoder,
- frame->field_index);
- frame->presentation_duration = GST_CLOCK_TIME_NONE;
- frame->decode_timestamp =
- gst_base_video_decoder_get_timestamp (base_video_decoder,
- frame->decode_frame_number);
- }
- if (frame->presentation_duration == GST_CLOCK_TIME_NONE) {
- frame->presentation_duration =
- gst_base_video_decoder_get_field_duration (base_video_decoder,
- frame->n_fields);
- }
-
- base_video_decoder->last_timestamp = frame->presentation_timestamp;
-
- GST_DEBUG ("skipping frame %" GST_TIME_FORMAT,
- GST_TIME_ARGS (frame->presentation_timestamp));
-
- base_video_decoder->frames =
- g_list_remove (base_video_decoder->frames, frame);
-
- gst_base_video_decoder_free_frame (frame);
-
- return GST_FLOW_OK;
-}
-
-int
-gst_base_video_decoder_get_height (GstBaseVideoDecoder * base_video_decoder)
-{
- return base_video_decoder->state.height;
-}
-
-int
-gst_base_video_decoder_get_width (GstBaseVideoDecoder * base_video_decoder)
-{
- return base_video_decoder->state.width;
-}
-
-GstFlowReturn
-gst_base_video_decoder_end_of_stream (GstBaseVideoDecoder * base_video_decoder,
- GstBuffer * buffer)
-{
-
- if (base_video_decoder->frames) {
- GST_DEBUG ("EOS with frames left over");
- }
-
- return gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_decoder),
- buffer);
-}
-
-void
-gst_base_video_decoder_add_to_frame (GstBaseVideoDecoder * base_video_decoder,
- int n_bytes)
-{
- GstBuffer *buf;
-
- GST_DEBUG ("add to frame");
-
- if (n_bytes == 0)
- return;
-
- if (gst_adapter_available (base_video_decoder->output_adapter) == 0) {
- base_video_decoder->frame_offset = base_video_decoder->input_offset -
- gst_adapter_available (base_video_decoder->input_adapter);
- }
- buf = gst_adapter_take_buffer (base_video_decoder->input_adapter, n_bytes);
-
- gst_adapter_push (base_video_decoder->output_adapter, buf);
-}
-
-static guint64
-gst_base_video_decoder_get_timestamp (GstBaseVideoDecoder * base_video_decoder,
- int picture_number)
-{
- if (base_video_decoder->state.fps_d == 0) {
- return -1;
- }
- if (picture_number < base_video_decoder->base_picture_number) {
- return base_video_decoder->timestamp_offset -
- (gint64) gst_util_uint64_scale (base_video_decoder->base_picture_number
- - picture_number, base_video_decoder->state.fps_d * GST_SECOND,
- base_video_decoder->state.fps_n);
- } else {
- return base_video_decoder->timestamp_offset +
- gst_util_uint64_scale (picture_number -
- base_video_decoder->base_picture_number,
- base_video_decoder->state.fps_d * GST_SECOND,
- base_video_decoder->state.fps_n);
- }
-}
-
-static guint64
-gst_base_video_decoder_get_field_timestamp (GstBaseVideoDecoder *
- base_video_decoder, int field_offset)
-{
- if (base_video_decoder->state.fps_d == 0) {
- return GST_CLOCK_TIME_NONE;
- }
- if (field_offset < 0) {
- GST_WARNING ("field offset < 0");
- return GST_CLOCK_TIME_NONE;
- }
- return base_video_decoder->timestamp_offset +
- gst_util_uint64_scale (field_offset,
- base_video_decoder->state.fps_d * GST_SECOND,
- base_video_decoder->state.fps_n * 2);
-}
-
-static guint64
-gst_base_video_decoder_get_field_duration (GstBaseVideoDecoder *
- base_video_decoder, int n_fields)
-{
- if (base_video_decoder->state.fps_d == 0) {
- return GST_CLOCK_TIME_NONE;
- }
- if (n_fields < 0) {
- GST_WARNING ("n_fields < 0");
- return GST_CLOCK_TIME_NONE;
- }
- return gst_util_uint64_scale (n_fields,
- base_video_decoder->state.fps_d * GST_SECOND,
- base_video_decoder->state.fps_n * 2);
-}
-
-
-GstFlowReturn
-gst_base_video_decoder_have_frame (GstBaseVideoDecoder * base_video_decoder)
-{
- GstBuffer *buffer;
- int n_available;
- GstClockTime timestamp;
- GstClockTime duration;
-
- GST_DEBUG ("have_frame");
-
- n_available = gst_adapter_available (base_video_decoder->output_adapter);
- if (n_available) {
- buffer = gst_adapter_take_buffer (base_video_decoder->output_adapter,
- n_available);
- } else {
- buffer = gst_buffer_new_and_alloc (0);
- }
-
- base_video_decoder->current_frame->sink_buffer = buffer;
-
- gst_base_video_decoder_get_timestamp_at_offset (base_video_decoder,
- base_video_decoder->frame_offset, ×tamp, &duration);
-
- GST_BUFFER_TIMESTAMP (buffer) = timestamp;
- GST_BUFFER_DURATION (buffer) = duration;
-
- return gst_base_video_decoder_have_frame_2 (base_video_decoder);
-}
-
-static GstFlowReturn
-gst_base_video_decoder_have_frame_2 (GstBaseVideoDecoder * base_video_decoder)
-{
- GstVideoFrame *frame = base_video_decoder->current_frame;
- GstBaseVideoDecoderClass *base_video_decoder_class;
- GstFlowReturn ret = GST_FLOW_OK;
- GstClockTime running_time;
- GstClockTimeDiff deadline;
-
- base_video_decoder_class =
- GST_BASE_VIDEO_DECODER_GET_CLASS (base_video_decoder);
-
- frame->distance_from_sync = base_video_decoder->distance_from_sync;
- base_video_decoder->distance_from_sync++;
-
- frame->presentation_timestamp = GST_BUFFER_TIMESTAMP (frame->sink_buffer);
- frame->presentation_duration = GST_BUFFER_DURATION (frame->sink_buffer);
-
- GST_DEBUG ("pts %" GST_TIME_FORMAT,
- GST_TIME_ARGS (frame->presentation_timestamp));
- GST_DEBUG ("dts %" GST_TIME_FORMAT, GST_TIME_ARGS (frame->decode_timestamp));
- GST_DEBUG ("dist %d", frame->distance_from_sync);
-
- base_video_decoder->frames = g_list_append (base_video_decoder->frames,
- frame);
-
- running_time = gst_segment_to_running_time (&base_video_decoder->segment,
- GST_FORMAT_TIME, frame->presentation_timestamp);
-
- if (GST_CLOCK_TIME_IS_VALID (base_video_decoder->earliest_time))
- deadline = GST_CLOCK_DIFF (base_video_decoder->earliest_time, running_time);
- else
- deadline = G_MAXINT64;
-
- /* do something with frame */
- ret = base_video_decoder_class->handle_frame (base_video_decoder, frame,
- deadline);
- if (!GST_FLOW_IS_SUCCESS (ret)) {
- GST_DEBUG ("flow error!");
- }
-
- /* create new frame */
- base_video_decoder->current_frame =
- gst_base_video_decoder_new_frame (base_video_decoder);
-
- return ret;
-}
-
-GstVideoState *
-gst_base_video_decoder_get_state (GstBaseVideoDecoder * base_video_decoder)
-{
- return &base_video_decoder->state;
-
-}
-
-void
-gst_base_video_decoder_set_state (GstBaseVideoDecoder * base_video_decoder,
- GstVideoState * state)
-{
- memcpy (&base_video_decoder->state, state, sizeof (*state));
-
-}
-
-void
-gst_base_video_decoder_lost_sync (GstBaseVideoDecoder * base_video_decoder)
-{
- g_return_if_fail (GST_IS_BASE_VIDEO_DECODER (base_video_decoder));
-
- GST_DEBUG ("lost_sync");
-
- if (gst_adapter_available (base_video_decoder->input_adapter) >= 1) {
- gst_adapter_flush (base_video_decoder->input_adapter, 1);
- }
-
- base_video_decoder->have_sync = FALSE;
-}
-
-void
-gst_base_video_decoder_set_sync_point (GstBaseVideoDecoder * base_video_decoder)
-{
- GST_DEBUG ("set_sync_point");
-
- base_video_decoder->current_frame->is_sync_point = TRUE;
- base_video_decoder->distance_from_sync = 0;
-}
-
-GstVideoFrame *
-gst_base_video_decoder_get_oldest_frame (GstBaseVideoDecoder *
- base_video_decoder)
-{
- GList *g;
-
- g = g_list_first (base_video_decoder->frames);
-
- if (g == NULL)
- return NULL;
- return (GstVideoFrame *) (g->data);
-}
-
-GstVideoFrame *
-gst_base_video_decoder_get_frame (GstBaseVideoDecoder * base_video_decoder,
- int frame_number)
-{
- GList *g;
-
- for (g = g_list_first (base_video_decoder->frames); g; g = g_list_next (g)) {
- GstVideoFrame *frame = g->data;
-
- if (frame->system_frame_number == frame_number) {
- return frame;
- }
- }
-
- return NULL;
-}
-
-void
-gst_base_video_decoder_set_src_caps (GstBaseVideoDecoder * base_video_decoder)
-{
- GstCaps *caps;
- GstVideoState *state = &base_video_decoder->state;
-
- if (base_video_decoder->have_src_caps)
- return;
-
- caps = gst_video_format_new_caps (state->format,
- state->width, state->height,
- state->fps_n, state->fps_d, state->par_n, state->par_d);
- gst_caps_set_simple (caps, "interlaced",
- G_TYPE_BOOLEAN, state->interlaced, NULL);
-
- GST_DEBUG ("setting caps %" GST_PTR_FORMAT, caps);
-
- gst_pad_set_caps (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_decoder), caps);
-
- base_video_decoder->have_src_caps = TRUE;
-
- gst_caps_unref (caps);
-}
-
-GstFlowReturn
-gst_base_video_decoder_alloc_src_frame (GstBaseVideoDecoder *
- base_video_decoder, GstVideoFrame * frame)
-{
- GstFlowReturn flow_ret;
- int num_bytes;
-
- gst_base_video_decoder_set_src_caps (base_video_decoder);
-
- num_bytes = gst_video_format_get_size (base_video_decoder->state.format,
- base_video_decoder->state.width, base_video_decoder->state.height);
- flow_ret =
- gst_pad_alloc_buffer_and_set_caps (GST_BASE_VIDEO_CODEC_SRC_PAD
- (base_video_decoder), GST_BUFFER_OFFSET_NONE, num_bytes,
- GST_PAD_CAPS (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_decoder)),
- &frame->src_buffer);
-
- if (flow_ret != GST_FLOW_OK) {
- GST_WARNING ("failed to get buffer");
- }
-
- return flow_ret;
-}
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2008 David Schleef <ds@schleef.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifndef _GST_BASE_VIDEO_DECODER_H_
-#define _GST_BASE_VIDEO_DECODER_H_
-
-#include <gst/video/gstbasevideocodec.h>
-
-G_BEGIN_DECLS
-
-#define GST_TYPE_BASE_VIDEO_DECODER \
- (gst_base_video_decoder_get_type())
-#define GST_BASE_VIDEO_DECODER(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_VIDEO_DECODER,GstBaseVideoDecoder))
-#define GST_BASE_VIDEO_DECODER_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_VIDEO_DECODER,GstBaseVideoDecoderClass))
-#define GST_BASE_VIDEO_DECODER_GET_CLASS(obj) \
- (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_BASE_VIDEO_DECODER,GstBaseVideoDecoderClass))
-#define GST_IS_BASE_VIDEO_DECODER(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_VIDEO_DECODER))
-#define GST_IS_BASE_VIDEO_DECODER_CLASS(obj) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_VIDEO_DECODER))
-
-/**
- * GST_BASE_VIDEO_DECODER_SINK_NAME:
- *
- * The name of the templates for the sink pad.
- */
-#define GST_BASE_VIDEO_DECODER_SINK_NAME "sink"
-/**
- * GST_BASE_VIDEO_DECODER_SRC_NAME:
- *
- * The name of the templates for the source pad.
- */
-#define GST_BASE_VIDEO_DECODER_SRC_NAME "src"
-
-/**
- * * GST_BASE_VIDEO_DECODER_FLOW_NEED_DATA:
- * *
- * */
-#define GST_BASE_VIDEO_DECODER_FLOW_NEED_DATA GST_FLOW_CUSTOM_SUCCESS
-
-
-typedef struct _GstBaseVideoDecoder GstBaseVideoDecoder;
-typedef struct _GstBaseVideoDecoderClass GstBaseVideoDecoderClass;
-
-struct _GstBaseVideoDecoder
-{
- GstBaseVideoCodec base_video_codec;
-
- /*< private >*/
- GstAdapter *input_adapter;
- GstAdapter *output_adapter;
-
- GList *frames;
-
- gboolean have_sync;
- gboolean discont;
- gboolean started;
-
- GstVideoState state;
- GstSegment segment;
-
- gboolean sink_clipping;
-
- guint64 presentation_frame_number;
- guint64 system_frame_number;
-
- GstCaps *caps;
- gboolean have_src_caps;
-
- GstVideoFrame *current_frame;
-
- int distance_from_sync;
- int reorder_depth;
-
- GstClockTime buffer_timestamp;
-
- GstClockTime timestamp_offset;
-
- gdouble proportion;
- GstClockTime earliest_time;
-
- //GstBuffer *codec_data;
-
- guint64 input_offset;
- guint64 frame_offset;
- GstClockTime last_timestamp;
-
- guint64 base_picture_number;
-
- int field_index;
-
- gboolean is_delta_unit;
- gboolean packetized;
-
- GList *timestamps;
-};
-
-struct _GstBaseVideoDecoderClass
-{
- GstBaseVideoCodecClass base_video_codec_class;
-
- gboolean (*set_format) (GstBaseVideoDecoder *coder, GstVideoFormat,
- int width, int height, int fps_n, int fps_d,
- int par_n, int par_d);
- gboolean (*start) (GstBaseVideoDecoder *coder);
- gboolean (*stop) (GstBaseVideoDecoder *coder);
- gboolean (*reset) (GstBaseVideoDecoder *coder);
- int (*scan_for_sync) (GstBaseVideoDecoder *decoder, gboolean at_eos,
- int offset, int n);
- GstFlowReturn (*parse_data) (GstBaseVideoDecoder *decoder, gboolean at_eos);
- GstFlowReturn (*finish) (GstBaseVideoDecoder *coder);
- GstFlowReturn (*handle_frame) (GstBaseVideoDecoder *coder, GstVideoFrame *frame,
- GstClockTimeDiff deadline);
- GstFlowReturn (*shape_output) (GstBaseVideoDecoder *coder, GstVideoFrame *frame);
- GstCaps *(*get_caps) (GstBaseVideoDecoder *coder);
-
-};
-
-GType gst_base_video_decoder_get_type (void);
-
-int gst_base_video_decoder_get_width (GstBaseVideoDecoder *coder);
-int gst_base_video_decoder_get_height (GstBaseVideoDecoder *coder);
-
-guint64 gst_base_video_decoder_get_timestamp_offset (GstBaseVideoDecoder *coder);
-
-GstVideoFrame *gst_base_video_decoder_get_frame (GstBaseVideoDecoder *coder,
- int frame_number);
-GstVideoFrame *gst_base_video_decoder_get_oldest_frame (GstBaseVideoDecoder *coder);
-void gst_base_video_decoder_add_to_frame (GstBaseVideoDecoder *base_video_decoder,
- int n_bytes);
-GstFlowReturn gst_base_video_decoder_finish_frame (GstBaseVideoDecoder *base_video_decoder,
- GstVideoFrame *frame);
-GstFlowReturn gst_base_video_decoder_skip_frame (GstBaseVideoDecoder * base_video_decoder,
- GstVideoFrame * frame);
-GstFlowReturn gst_base_video_decoder_end_of_stream (GstBaseVideoDecoder *base_video_decoder,
- GstBuffer *buffer);
-GstFlowReturn
-gst_base_video_decoder_have_frame (GstBaseVideoDecoder *base_video_decoder);
-GstVideoState * gst_base_video_decoder_get_state (GstBaseVideoDecoder *base_video_decoder);
-void gst_base_video_decoder_set_state (GstBaseVideoDecoder *base_video_decoder,
- GstVideoState *state);
-void gst_base_video_decoder_lost_sync (GstBaseVideoDecoder *base_video_decoder);
-void gst_base_video_decoder_set_sync_point (GstBaseVideoDecoder *base_video_decoder);
-
-void gst_base_video_decoder_set_src_caps (GstBaseVideoDecoder *base_video_decoder);
-
-GstFlowReturn gst_base_video_decoder_alloc_src_frame (GstBaseVideoDecoder *base_video_decoder,
- GstVideoFrame *frame);
-
-G_END_DECLS
-
-#endif
-
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2008 David Schleef <ds@schleef.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "gstbasevideoencoder.h"
-#include "gstbasevideoutils.h"
-
-GST_DEBUG_CATEGORY_EXTERN (basevideo_debug);
-#define GST_CAT_DEFAULT basevideo_debug
-
-static void gst_base_video_encoder_finalize (GObject * object);
-
-static gboolean gst_base_video_encoder_sink_setcaps (GstPad * pad,
- GstCaps * caps);
-static gboolean gst_base_video_encoder_sink_event (GstPad * pad,
- GstEvent * event);
-static GstFlowReturn gst_base_video_encoder_chain (GstPad * pad,
- GstBuffer * buf);
-//static GstFlowReturn gst_base_video_encoder_process (GstBaseVideoEncoder *base_video_encoder);
-static GstStateChangeReturn gst_base_video_encoder_change_state (GstElement *
- element, GstStateChange transition);
-static const GstQueryType *gst_base_video_encoder_get_query_types (GstPad *
- pad);
-static gboolean gst_base_video_encoder_src_query (GstPad * pad,
- GstQuery * query);
-
-
-GST_BOILERPLATE (GstBaseVideoEncoder, gst_base_video_encoder, GstBaseVideoCodec,
- GST_TYPE_BASE_VIDEO_CODEC);
-
-static void
-gst_base_video_encoder_base_init (gpointer g_class)
-{
-
-}
-
-static void
-gst_base_video_encoder_class_init (GstBaseVideoEncoderClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
-
- gobject_class = G_OBJECT_CLASS (klass);
- gstelement_class = GST_ELEMENT_CLASS (klass);
-
- gobject_class->finalize = gst_base_video_encoder_finalize;
-
- gstelement_class->change_state = gst_base_video_encoder_change_state;
-
- parent_class = g_type_class_peek_parent (klass);
-}
-
-static void
-gst_base_video_encoder_init (GstBaseVideoEncoder * base_video_encoder,
- GstBaseVideoEncoderClass * klass)
-{
- GstPad *pad;
-
- GST_DEBUG ("gst_base_video_encoder_init");
-
- pad = GST_BASE_VIDEO_CODEC_SINK_PAD (base_video_encoder);
-
- gst_pad_set_chain_function (pad, gst_base_video_encoder_chain);
- gst_pad_set_event_function (pad, gst_base_video_encoder_sink_event);
- gst_pad_set_setcaps_function (pad, gst_base_video_encoder_sink_setcaps);
- //gst_pad_set_query_function (pad, gst_base_video_encoder_sink_query);
-
- pad = GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder);
-
- gst_pad_set_query_type_function (pad, gst_base_video_encoder_get_query_types);
- gst_pad_set_query_function (pad, gst_base_video_encoder_src_query);
-}
-
-static gboolean
-gst_base_video_encoder_sink_setcaps (GstPad * pad, GstCaps * caps)
-{
- GstBaseVideoEncoder *base_video_encoder;
- GstBaseVideoEncoderClass *base_video_encoder_class;
- gboolean ret;
-
- base_video_encoder = GST_BASE_VIDEO_ENCODER (gst_pad_get_parent (pad));
- base_video_encoder_class =
- GST_BASE_VIDEO_ENCODER_GET_CLASS (base_video_encoder);
-
- GST_DEBUG ("setcaps");
-
- gst_base_video_state_from_caps (&base_video_encoder->state, caps);
-
- ret = base_video_encoder_class->set_format (base_video_encoder,
- &base_video_encoder->state);
- if (ret) {
- ret = base_video_encoder_class->start (base_video_encoder);
- }
-
- g_object_unref (base_video_encoder);
-
- return ret;
-}
-
-static void
-gst_base_video_encoder_finalize (GObject * object)
-{
- GstBaseVideoEncoder *base_video_encoder;
- GstBaseVideoEncoderClass *base_video_encoder_class;
- GList *g;
-
- g_return_if_fail (GST_IS_BASE_VIDEO_ENCODER (object));
- base_video_encoder = GST_BASE_VIDEO_ENCODER (object);
- base_video_encoder_class = GST_BASE_VIDEO_ENCODER_GET_CLASS (object);
-
- GST_DEBUG ("finalize");
-
- for (g = base_video_encoder->frames; g; g = g_list_next (g)) {
- gst_base_video_codec_free_frame ((GstVideoFrame *) g->data);
- }
- g_list_free (base_video_encoder->frames);
-
- if (base_video_encoder->caps) {
- gst_caps_unref (base_video_encoder->caps);
- base_video_encoder->caps = NULL;
- }
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static gboolean
-gst_base_video_encoder_sink_event (GstPad * pad, GstEvent * event)
-{
- GstBaseVideoEncoder *base_video_encoder;
- GstBaseVideoEncoderClass *base_video_encoder_class;
- gboolean ret = FALSE;
-
- base_video_encoder = GST_BASE_VIDEO_ENCODER (gst_pad_get_parent (pad));
- base_video_encoder_class =
- GST_BASE_VIDEO_ENCODER_GET_CLASS (base_video_encoder);
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_EOS:
- {
- if (base_video_encoder_class->finish) {
- base_video_encoder_class->finish (base_video_encoder);
- }
-
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder),
- event);
- }
- break;
- case GST_EVENT_NEWSEGMENT:
- {
- gboolean update;
- double rate;
- double applied_rate;
- GstFormat format;
- gint64 start;
- gint64 stop;
- gint64 position;
-
- gst_event_parse_new_segment_full (event, &update, &rate,
- &applied_rate, &format, &start, &stop, &position);
-
- if (format != GST_FORMAT_TIME)
- goto newseg_wrong_format;
-
- GST_DEBUG ("new segment %lld %lld", start, position);
-
- gst_segment_set_newsegment_full (&base_video_encoder->segment,
- update, rate, applied_rate, format, start, stop, position);
-
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder),
- event);
- }
- break;
- default:
- /* FIXME this changes the order of events */
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder),
- event);
- break;
- }
-
-done:
- gst_object_unref (base_video_encoder);
- return ret;
-
-newseg_wrong_format:
- {
- GST_DEBUG_OBJECT (base_video_encoder, "received non TIME newsegment");
- gst_event_unref (event);
- goto done;
- }
-}
-
-static const GstQueryType *
-gst_base_video_encoder_get_query_types (GstPad * pad)
-{
- static const GstQueryType query_types[] = {
- //GST_QUERY_POSITION,
- //GST_QUERY_DURATION,
- GST_QUERY_CONVERT,
- GST_QUERY_LATENCY,
- 0
- };
-
- return query_types;
-}
-
-static gboolean
-gst_base_video_encoder_src_query (GstPad * pad, GstQuery * query)
-{
- GstBaseVideoEncoder *enc;
- gboolean res;
- GstPad *peerpad;
-
- enc = GST_BASE_VIDEO_ENCODER (gst_pad_get_parent (pad));
- peerpad = gst_pad_get_peer (GST_BASE_VIDEO_CODEC_SINK_PAD (enc));
-
- switch GST_QUERY_TYPE
- (query) {
- case GST_QUERY_CONVERT:
- {
- GstFormat src_fmt, dest_fmt;
- gint64 src_val, dest_val;
-
- gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
- res =
- gst_base_video_encoded_video_convert (&enc->state, src_fmt, src_val,
- &dest_fmt, &dest_val);
- if (!res)
- goto error;
- gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
- break;
- }
- case GST_QUERY_LATENCY:
- {
- gboolean live;
- GstClockTime min_latency, max_latency;
-
- res = gst_pad_query (peerpad, query);
- if (res) {
- gst_query_parse_latency (query, &live, &min_latency, &max_latency);
-
- min_latency += enc->min_latency;
- if (max_latency != GST_CLOCK_TIME_NONE) {
- max_latency += enc->max_latency;
- }
-
- gst_query_set_latency (query, live, min_latency, max_latency);
- }
- }
- break;
- default:
- res = gst_pad_query_default (pad, query);
- }
- gst_object_unref (peerpad);
- gst_object_unref (enc);
- return res;
-
-error:
- GST_DEBUG_OBJECT (enc, "query failed");
- gst_object_unref (peerpad);
- gst_object_unref (enc);
- return res;
-}
-
-static gboolean
-gst_pad_is_negotiated (GstPad * pad)
-{
- GstCaps *caps;
-
- g_return_val_if_fail (pad != NULL, FALSE);
-
- caps = gst_pad_get_negotiated_caps (pad);
- if (caps) {
- gst_caps_unref (caps);
- return TRUE;
- }
-
- return FALSE;
-}
-
-static GstFlowReturn
-gst_base_video_encoder_chain (GstPad * pad, GstBuffer * buf)
-{
- GstBaseVideoEncoder *base_video_encoder;
- GstBaseVideoEncoderClass *klass;
- GstVideoFrame *frame;
-
- if (!gst_pad_is_negotiated (pad)) {
- return GST_FLOW_NOT_NEGOTIATED;
- }
-
- base_video_encoder = GST_BASE_VIDEO_ENCODER (gst_pad_get_parent (pad));
- klass = GST_BASE_VIDEO_ENCODER_GET_CLASS (base_video_encoder);
-
- if (base_video_encoder->sink_clipping) {
- gint64 start = GST_BUFFER_TIMESTAMP (buf);
- gint64 stop = start + GST_BUFFER_DURATION (buf);
- gint64 clip_start;
- gint64 clip_stop;
-
- if (!gst_segment_clip (&base_video_encoder->segment,
- GST_FORMAT_TIME, start, stop, &clip_start, &clip_stop)) {
- GST_DEBUG ("clipping to segment dropped frame");
- goto done;
- }
- }
-
- frame =
- gst_base_video_codec_new_frame (GST_BASE_VIDEO_CODEC
- (base_video_encoder));
- frame->sink_buffer = buf;
- frame->presentation_timestamp = GST_BUFFER_TIMESTAMP (buf);
- frame->presentation_duration = GST_BUFFER_DURATION (buf);
- frame->presentation_frame_number =
- base_video_encoder->presentation_frame_number;
- base_video_encoder->presentation_frame_number++;
-
- base_video_encoder->frames =
- g_list_append (base_video_encoder->frames, frame);
-
- klass->handle_frame (base_video_encoder, frame);
-
-done:
- g_object_unref (base_video_encoder);
-
- return GST_FLOW_OK;
-}
-
-static GstStateChangeReturn
-gst_base_video_encoder_change_state (GstElement * element,
- GstStateChange transition)
-{
- GstBaseVideoEncoder *base_video_encoder;
- GstBaseVideoEncoderClass *base_video_encoder_class;
- GstStateChangeReturn ret;
-
- base_video_encoder = GST_BASE_VIDEO_ENCODER (element);
- base_video_encoder_class = GST_BASE_VIDEO_ENCODER_GET_CLASS (element);
-
- switch (transition) {
- default:
- break;
- }
-
- ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
-
- switch (transition) {
- case GST_STATE_CHANGE_PAUSED_TO_READY:
- if (base_video_encoder_class->stop) {
- base_video_encoder_class->stop (base_video_encoder);
- }
- break;
- default:
- break;
- }
-
- return ret;
-}
-
-GstFlowReturn
-gst_base_video_encoder_finish_frame (GstBaseVideoEncoder * base_video_encoder,
- GstVideoFrame * frame)
-{
- GstFlowReturn ret;
- GstBaseVideoEncoderClass *base_video_encoder_class;
-
- base_video_encoder_class =
- GST_BASE_VIDEO_ENCODER_GET_CLASS (base_video_encoder);
-
- frame->system_frame_number = base_video_encoder->system_frame_number;
- base_video_encoder->system_frame_number++;
-
- if (frame->is_sync_point) {
- base_video_encoder->distance_from_sync = 0;
- GST_BUFFER_FLAG_UNSET (frame->src_buffer, GST_BUFFER_FLAG_DELTA_UNIT);
- } else {
- GST_BUFFER_FLAG_SET (frame->src_buffer, GST_BUFFER_FLAG_DELTA_UNIT);
- }
-
- frame->distance_from_sync = base_video_encoder->distance_from_sync;
- base_video_encoder->distance_from_sync++;
-
- frame->decode_frame_number = frame->system_frame_number - 1;
- if (frame->decode_frame_number < 0) {
- frame->decode_timestamp = 0;
- } else {
- frame->decode_timestamp = gst_util_uint64_scale (frame->decode_frame_number,
- GST_SECOND * base_video_encoder->state.fps_d,
- base_video_encoder->state.fps_n);
- }
-
- GST_BUFFER_TIMESTAMP (frame->src_buffer) = frame->presentation_timestamp;
- GST_BUFFER_DURATION (frame->src_buffer) = frame->presentation_duration;
- GST_BUFFER_OFFSET (frame->src_buffer) = frame->decode_timestamp;
-
- base_video_encoder->frames =
- g_list_remove (base_video_encoder->frames, frame);
-
- if (!base_video_encoder->set_output_caps) {
- if (base_video_encoder_class->get_caps) {
- base_video_encoder->caps =
- base_video_encoder_class->get_caps (base_video_encoder);
- } else {
- base_video_encoder->caps = gst_caps_new_simple ("video/unknown", NULL);
- }
- gst_pad_set_caps (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder),
- base_video_encoder->caps);
- base_video_encoder->set_output_caps = TRUE;
- }
-
- gst_buffer_set_caps (GST_BUFFER (frame->src_buffer),
- base_video_encoder->caps);
-
- if (base_video_encoder_class->shape_output) {
- ret = base_video_encoder_class->shape_output (base_video_encoder, frame);
- } else {
- ret =
- gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder),
- frame->src_buffer);
- }
-
- gst_base_video_codec_free_frame (frame);
-
- return ret;
-}
-
-int
-gst_base_video_encoder_get_height (GstBaseVideoEncoder * base_video_encoder)
-{
- return base_video_encoder->state.height;
-}
-
-int
-gst_base_video_encoder_get_width (GstBaseVideoEncoder * base_video_encoder)
-{
- return base_video_encoder->state.width;
-}
-
-const GstVideoState *
-gst_base_video_encoder_get_state (GstBaseVideoEncoder * base_video_encoder)
-{
- return &base_video_encoder->state;
-}
-
-GstFlowReturn
-gst_base_video_encoder_end_of_stream (GstBaseVideoEncoder * base_video_encoder,
- GstBuffer * buffer)
-{
-
- if (base_video_encoder->frames) {
- GST_WARNING ("EOS with frames left over");
- }
-
- return gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder),
- buffer);
-}
-
-void
-gst_base_video_encoder_set_latency (GstBaseVideoEncoder * base_video_encoder,
- GstClockTime min_latency, GstClockTime max_latency)
-{
- g_return_if_fail (min_latency >= 0);
- g_return_if_fail (max_latency >= min_latency);
-
- base_video_encoder->min_latency = min_latency;
- base_video_encoder->max_latency = max_latency;
-
- gst_element_post_message (GST_ELEMENT_CAST (base_video_encoder),
- gst_message_new_latency (GST_OBJECT_CAST (base_video_encoder)));
-}
-
-void
-gst_base_video_encoder_set_latency_fields (GstBaseVideoEncoder *
- base_video_encoder, int n_fields)
-{
- gint64 latency;
-
- latency = gst_util_uint64_scale (n_fields,
- base_video_encoder->state.fps_d * GST_SECOND,
- 2 * base_video_encoder->state.fps_n);
-
- gst_base_video_encoder_set_latency (base_video_encoder, latency, latency);
-
-}
-
-GstVideoFrame *
-gst_base_video_encoder_get_oldest_frame (GstBaseVideoEncoder *
- base_video_encoder)
-{
- GList *g;
-
- g = g_list_first (base_video_encoder->frames);
-
- if (g == NULL)
- return NULL;
- return (GstVideoFrame *) (g->data);
-}
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2008 David Schleef <ds@schleef.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifndef _GST_BASE_VIDEO_ENCODER_H_
-#define _GST_BASE_VIDEO_ENCODER_H_
-
-#include <gst/video/gstbasevideocodec.h>
-#include <gst/video/gstbasevideoutils.h>
-
-G_BEGIN_DECLS
-
-#define GST_TYPE_BASE_VIDEO_ENCODER \
- (gst_base_video_encoder_get_type())
-#define GST_BASE_VIDEO_ENCODER(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_VIDEO_ENCODER,GstBaseVideoEncoder))
-#define GST_BASE_VIDEO_ENCODER_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_VIDEO_ENCODER,GstBaseVideoEncoderClass))
-#define GST_BASE_VIDEO_ENCODER_GET_CLASS(obj) \
- (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_BASE_VIDEO_ENCODER,GstBaseVideoEncoderClass))
-#define GST_IS_BASE_VIDEO_ENCODER(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_VIDEO_ENCODER))
-#define GST_IS_BASE_VIDEO_ENCODER_CLASS(obj) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_VIDEO_ENCODER))
-
-/**
- * GST_BASE_VIDEO_ENCODER_SINK_NAME:
- *
- * The name of the templates for the sink pad.
- */
-#define GST_BASE_VIDEO_ENCODER_SINK_NAME "sink"
-/**
- * GST_BASE_VIDEO_ENCODER_SRC_NAME:
- *
- * The name of the templates for the source pad.
- */
-#define GST_BASE_VIDEO_ENCODER_SRC_NAME "src"
-
-
-typedef struct _GstBaseVideoEncoder GstBaseVideoEncoder;
-typedef struct _GstBaseVideoEncoderClass GstBaseVideoEncoderClass;
-
-struct _GstBaseVideoEncoder
-{
- GstBaseVideoCodec base_video_codec;
-
- /*< private >*/
- GList *frames;
-
- GstVideoState state;
- GstSegment segment;
-
- gboolean sink_clipping;
-
- guint64 presentation_frame_number;
- guint64 system_frame_number;
- int distance_from_sync;
-
- GstCaps *caps;
- gboolean set_output_caps;
-
- gint64 min_latency;
- gint64 max_latency;
-};
-
-struct _GstBaseVideoEncoderClass
-{
- GstBaseVideoCodecClass base_video_codec_class;
-
- gboolean (*set_format) (GstBaseVideoEncoder *coder, GstVideoState *state);
- gboolean (*start) (GstBaseVideoEncoder *coder);
- gboolean (*stop) (GstBaseVideoEncoder *coder);
- gboolean (*finish) (GstBaseVideoEncoder *coder);
- gboolean (*handle_frame) (GstBaseVideoEncoder *coder, GstVideoFrame *frame);
- GstFlowReturn (*shape_output) (GstBaseVideoEncoder *coder, GstVideoFrame *frame);
- GstCaps *(*get_caps) (GstBaseVideoEncoder *coder);
-
-};
-
-GType gst_base_video_encoder_get_type (void);
-
-int gst_base_video_encoder_get_width (GstBaseVideoEncoder *coder);
-int gst_base_video_encoder_get_height (GstBaseVideoEncoder *coder);
-const GstVideoState *gst_base_video_encoder_get_state (GstBaseVideoEncoder *coder);
-
-guint64 gst_base_video_encoder_get_timestamp_offset (GstBaseVideoEncoder *coder);
-
-GstVideoFrame *gst_base_video_encoder_get_frame (GstBaseVideoEncoder *coder,
- int frame_number);
-GstVideoFrame *gst_base_video_encoder_get_oldest_frame (GstBaseVideoEncoder *coder);
-GstFlowReturn gst_base_video_encoder_finish_frame (GstBaseVideoEncoder *base_video_encoder,
- GstVideoFrame *frame);
-GstFlowReturn gst_base_video_encoder_end_of_stream (GstBaseVideoEncoder *base_video_encoder,
- GstBuffer *buffer);
-
-void gst_base_video_encoder_set_latency (GstBaseVideoEncoder *base_video_encoder,
- GstClockTime min_latency, GstClockTime max_latency);
-void gst_base_video_encoder_set_latency_fields (GstBaseVideoEncoder *base_video_encoder,
- int n_fields);
-
-
-G_END_DECLS
-
-#endif
-
+++ /dev/null
-/* Schrodinger
- * Copyright (C) 2006 David Schleef <ds@schleef.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "gstbasevideoparse.h"
-
-#include <string.h>
-#include <math.h>
-
-GST_DEBUG_CATEGORY_EXTERN (basevideo_debug);
-#define GST_CAT_DEFAULT basevideo_debug
-
-
-
-/* GstBaseVideoParse signals and args */
-enum
-{
- LAST_SIGNAL
-};
-
-enum
-{
- ARG_0
-};
-
-static void gst_base_video_parse_finalize (GObject * object);
-
-static const GstQueryType *gst_base_video_parse_get_query_types (GstPad * pad);
-static gboolean gst_base_video_parse_src_query (GstPad * pad, GstQuery * query);
-static gboolean gst_base_video_parse_sink_query (GstPad * pad,
- GstQuery * query);
-static gboolean gst_base_video_parse_src_event (GstPad * pad, GstEvent * event);
-static gboolean gst_base_video_parse_sink_event (GstPad * pad,
- GstEvent * event);
-static GstStateChangeReturn gst_base_video_parse_change_state (GstElement *
- element, GstStateChange transition);
-static GstFlowReturn gst_base_video_parse_push_all (GstBaseVideoParse *
- base_video_parse, gboolean at_eos);
-static GstFlowReturn gst_base_video_parse_chain (GstPad * pad, GstBuffer * buf);
-static void gst_base_video_parse_free_frame (GstVideoFrame * frame);
-static GstVideoFrame *gst_base_video_parse_new_frame (GstBaseVideoParse *
- base_video_parse);
-
-
-GST_BOILERPLATE (GstBaseVideoParse, gst_base_video_parse,
- GstBaseVideoCodec, GST_TYPE_BASE_VIDEO_CODEC);
-
-static void
-gst_base_video_parse_base_init (gpointer g_class)
-{
-
-}
-
-static void
-gst_base_video_parse_class_init (GstBaseVideoParseClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *element_class;
-
- gobject_class = G_OBJECT_CLASS (klass);
- element_class = GST_ELEMENT_CLASS (klass);
-
- gobject_class->finalize = gst_base_video_parse_finalize;
-
- element_class->change_state = gst_base_video_parse_change_state;
-}
-
-static void
-gst_base_video_parse_init (GstBaseVideoParse * base_video_parse,
- GstBaseVideoParseClass * klass)
-{
- GstPad *pad;
-
- GST_DEBUG ("gst_base_video_parse_init");
-
- pad = GST_BASE_VIDEO_CODEC_SINK_PAD (base_video_parse);
-
- gst_pad_set_chain_function (pad, gst_base_video_parse_chain);
- gst_pad_set_query_function (pad, gst_base_video_parse_sink_query);
- gst_pad_set_event_function (pad, gst_base_video_parse_sink_event);
-
- pad = GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse);
-
- gst_pad_set_query_type_function (pad, gst_base_video_parse_get_query_types);
- gst_pad_set_query_function (pad, gst_base_video_parse_src_query);
- gst_pad_set_event_function (pad, gst_base_video_parse_src_event);
-
- base_video_parse->input_adapter = gst_adapter_new ();
- base_video_parse->output_adapter = gst_adapter_new ();
-
- base_video_parse->reorder_depth = 1;
-
- base_video_parse->current_frame =
- gst_base_video_parse_new_frame (base_video_parse);
-}
-
-static void
-gst_base_video_parse_reset (GstBaseVideoParse * base_video_parse)
-{
- GST_DEBUG ("reset");
-
- base_video_parse->discont = TRUE;
- base_video_parse->have_sync = FALSE;
-
- base_video_parse->system_frame_number = 0;
- base_video_parse->presentation_frame_number = 0;
-
- if (base_video_parse->caps) {
- gst_caps_unref (base_video_parse->caps);
- base_video_parse->caps = NULL;
- }
-
- gst_segment_init (&base_video_parse->segment, GST_FORMAT_TIME);
- gst_adapter_clear (base_video_parse->input_adapter);
- gst_adapter_clear (base_video_parse->output_adapter);
-
- if (base_video_parse->current_frame) {
- gst_base_video_parse_free_frame (base_video_parse->current_frame);
- }
- base_video_parse->current_frame =
- gst_base_video_parse_new_frame (base_video_parse);
-
-}
-
-static void
-gst_base_video_parse_finalize (GObject * object)
-{
- GstBaseVideoParse *base_video_parse;
-
- g_return_if_fail (GST_IS_BASE_VIDEO_PARSE (object));
- base_video_parse = GST_BASE_VIDEO_PARSE (object);
-
- if (base_video_parse->input_adapter) {
- g_object_unref (base_video_parse->input_adapter);
- }
- if (base_video_parse->output_adapter) {
- g_object_unref (base_video_parse->output_adapter);
- }
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static const GstQueryType *
-gst_base_video_parse_get_query_types (GstPad * pad)
-{
- static const GstQueryType query_types[] = {
- GST_QUERY_POSITION,
- GST_QUERY_DURATION,
- GST_QUERY_CONVERT,
- 0
- };
-
- return query_types;
-}
-
-#if 0
-static gboolean
-gst_base_video_parse_src_convert (GstPad * pad,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
-{
- gboolean res;
- GstBaseVideoParse *dec;
-
- if (src_format == *dest_format) {
- *dest_value = src_value;
- return TRUE;
- }
-
- dec = GST_BASE_VIDEO_PARSE (gst_pad_get_parent (pad));
-
- if (src_format == GST_FORMAT_DEFAULT && *dest_format == GST_FORMAT_TIME) {
- if (dec->fps_d != 0) {
- *dest_value = gst_util_uint64_scale (granulepos_to_frame (src_value),
- dec->fps_d * GST_SECOND, dec->fps_n);
- res = TRUE;
- } else {
- res = FALSE;
- }
- } else {
- GST_WARNING ("unhandled conversion from %d to %d", src_format,
- *dest_format);
- res = FALSE;
- }
-
- gst_object_unref (dec);
-
- return res;
-}
-
-static gboolean
-gst_base_video_parse_sink_convert (GstPad * pad,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
-{
- gboolean res = TRUE;
- GstBaseVideoParse *dec;
-
- if (src_format == *dest_format) {
- *dest_value = src_value;
- return TRUE;
- }
-
- dec = GST_BASE_VIDEO_PARSE (gst_pad_get_parent (pad));
-
- /* FIXME: check if we are in a decoding state */
-
- switch (src_format) {
- case GST_FORMAT_DEFAULT:
- switch (*dest_format) {
- case GST_FORMAT_TIME:
- *dest_value = gst_util_uint64_scale (src_value,
- dec->fps_d * GST_SECOND, dec->fps_n);
- break;
- default:
- res = FALSE;
- }
- break;
- case GST_FORMAT_TIME:
- switch (*dest_format) {
- case GST_FORMAT_DEFAULT:
- {
- *dest_value = gst_util_uint64_scale (src_value,
- dec->fps_n, dec->fps_d * GST_SECOND);
- break;
- }
- default:
- res = FALSE;
- break;
- }
- break;
- default:
- res = FALSE;
- break;
- }
-
- gst_object_unref (dec);
-
- return res;
-}
-#endif
-
-static gboolean
-gst_base_video_parse_src_query (GstPad * pad, GstQuery * query)
-{
- GstBaseVideoParse *base_parse;
- gboolean res = FALSE;
-
- base_parse = GST_BASE_VIDEO_PARSE (gst_pad_get_parent (pad));
-
- switch (GST_QUERY_TYPE (query)) {
- case GST_QUERY_POSITION:
- {
- GstFormat format;
- gint64 time;
- gint64 value;
-
- gst_query_parse_position (query, &format, NULL);
-
- time = gst_util_uint64_scale (base_parse->presentation_frame_number,
- base_parse->state.fps_n, base_parse->state.fps_d);
- time += base_parse->segment.time;
- GST_DEBUG ("query position %lld", time);
- res = gst_base_video_encoded_video_convert (&base_parse->state,
- GST_FORMAT_TIME, time, &format, &value);
- if (!res)
- goto error;
-
- gst_query_set_position (query, format, value);
- break;
- }
- case GST_QUERY_DURATION:
- res =
- gst_pad_query (GST_PAD_PEER (GST_BASE_VIDEO_CODEC_SINK_PAD
- (base_parse)), query);
- if (!res)
- goto error;
- break;
- case GST_QUERY_CONVERT:
- {
- GstFormat src_fmt, dest_fmt;
- gint64 src_val, dest_val;
-
- GST_WARNING ("query convert");
-
- gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
- res = gst_base_video_encoded_video_convert (&base_parse->state,
- src_fmt, src_val, &dest_fmt, &dest_val);
- if (!res)
- goto error;
- gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
- break;
- }
- default:
- res = gst_pad_query_default (pad, query);
- break;
- }
-done:
- gst_object_unref (base_parse);
-
- return res;
-error:
- GST_DEBUG_OBJECT (base_parse, "query failed");
- goto done;
-}
-
-static gboolean
-gst_base_video_parse_sink_query (GstPad * pad, GstQuery * query)
-{
- GstBaseVideoParse *base_video_parse;
- gboolean res = FALSE;
-
- base_video_parse = GST_BASE_VIDEO_PARSE (gst_pad_get_parent (pad));
-
- switch (GST_QUERY_TYPE (query)) {
- case GST_QUERY_CONVERT:
- {
- GstFormat src_fmt, dest_fmt;
- gint64 src_val, dest_val;
-
- gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
- res = gst_base_video_encoded_video_convert (&base_video_parse->state,
- src_fmt, src_val, &dest_fmt, &dest_val);
- if (!res)
- goto error;
- gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
- break;
- }
- default:
- res = gst_pad_query_default (pad, query);
- break;
- }
-done:
- gst_object_unref (base_video_parse);
-
- return res;
-error:
- GST_DEBUG_OBJECT (base_video_parse, "query failed");
- goto done;
-}
-
-static gboolean
-gst_base_video_parse_src_event (GstPad * pad, GstEvent * event)
-{
- GstBaseVideoParse *base_video_parse;
- gboolean res = FALSE;
-
- base_video_parse = GST_BASE_VIDEO_PARSE (gst_pad_get_parent (pad));
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_SEEK:
- {
- GstFormat format, tformat;
- gdouble rate;
- GstEvent *real_seek;
- GstSeekFlags flags;
- GstSeekType cur_type, stop_type;
- gint64 cur, stop;
- gint64 tcur, tstop;
-
- gst_event_parse_seek (event, &rate, &format, &flags, &cur_type,
- &cur, &stop_type, &stop);
- gst_event_unref (event);
-
- tformat = GST_FORMAT_TIME;
- res = gst_base_video_encoded_video_convert (&base_video_parse->state,
- format, cur, &tformat, &tcur);
- if (!res)
- goto convert_error;
- res = gst_base_video_encoded_video_convert (&base_video_parse->state,
- format, stop, &tformat, &tstop);
- if (!res)
- goto convert_error;
-
- real_seek = gst_event_new_seek (rate, GST_FORMAT_TIME,
- flags, cur_type, tcur, stop_type, tstop);
-
- res =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SINK_PAD (base_video_parse),
- real_seek);
-
- break;
- }
-#if 0
- case GST_EVENT_QOS:
- {
- gdouble proportion;
- GstClockTimeDiff diff;
- GstClockTime timestamp;
-
- gst_event_parse_qos (event, &proportion, &diff, ×tamp);
-
- GST_OBJECT_LOCK (base_video_parse);
- base_video_parse->proportion = proportion;
- base_video_parse->earliest_time = timestamp + diff;
- GST_OBJECT_UNLOCK (base_video_parse);
-
- GST_DEBUG_OBJECT (base_video_parse,
- "got QoS %" GST_TIME_FORMAT ", %" G_GINT64_FORMAT,
- GST_TIME_ARGS (timestamp), diff);
-
- res = gst_pad_push_event (base_video_parse->sinkpad, event);
- break;
- }
-#endif
- default:
- res =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SINK_PAD (base_video_parse),
- event);
- break;
- }
-done:
- gst_object_unref (base_video_parse);
- return res;
-
-convert_error:
- GST_DEBUG_OBJECT (base_video_parse, "could not convert format");
- goto done;
-}
-
-static gboolean
-gst_base_video_parse_sink_event (GstPad * pad, GstEvent * event)
-{
- GstBaseVideoParse *base_video_parse;
- gboolean ret = FALSE;
-
- base_video_parse = GST_BASE_VIDEO_PARSE (gst_pad_get_parent (pad));
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_FLUSH_START:
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse),
- event);
- break;
- case GST_EVENT_FLUSH_STOP:
- gst_base_video_parse_reset (base_video_parse);
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse),
- event);
- break;
- case GST_EVENT_EOS:
- if (gst_base_video_parse_push_all (base_video_parse,
- FALSE) == GST_FLOW_ERROR) {
- gst_event_unref (event);
- return FALSE;
- }
-
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse),
- event);
- break;
- case GST_EVENT_NEWSEGMENT:
- {
- gboolean update;
- GstFormat format;
- gdouble rate;
- gint64 start, stop, time;
-
- gst_event_parse_new_segment (event, &update, &rate, &format, &start,
- &stop, &time);
-
- if (format != GST_FORMAT_TIME)
- goto newseg_wrong_format;
-
- if (rate <= 0.0)
- goto newseg_wrong_rate;
-
- GST_DEBUG ("newsegment %lld %lld", start, time);
- gst_segment_set_newsegment (&base_video_parse->segment, update,
- rate, format, start, stop, time);
-
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse),
- event);
- break;
- }
- default:
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse),
- event);
- break;
- }
-done:
- gst_object_unref (base_video_parse);
- return ret;
-
-newseg_wrong_format:
- GST_DEBUG_OBJECT (base_video_parse, "received non TIME newsegment");
- gst_event_unref (event);
- goto done;
-
-newseg_wrong_rate:
- GST_DEBUG_OBJECT (base_video_parse, "negative rates not supported");
- gst_event_unref (event);
- goto done;
-}
-
-
-static GstStateChangeReturn
-gst_base_video_parse_change_state (GstElement * element,
- GstStateChange transition)
-{
- GstBaseVideoParse *base_parse = GST_BASE_VIDEO_PARSE (element);
- GstStateChangeReturn ret;
-
- switch (transition) {
- case GST_STATE_CHANGE_NULL_TO_READY:
- break;
- case GST_STATE_CHANGE_READY_TO_PAUSED:
- gst_base_video_parse_reset (base_parse);
- break;
- case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
- break;
- default:
- break;
- }
-
- ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
-
- switch (transition) {
- case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
- break;
- case GST_STATE_CHANGE_PAUSED_TO_READY:
- gst_base_video_parse_reset (base_parse);
- break;
- case GST_STATE_CHANGE_READY_TO_NULL:
- break;
- default:
- break;
- }
-
- return ret;
-}
-
-static guint64
-gst_base_video_parse_get_timestamp (GstBaseVideoParse * base_video_parse,
- int picture_number)
-{
- if (picture_number < 0) {
- return base_video_parse->timestamp_offset -
- (gint64) gst_util_uint64_scale (-picture_number,
- base_video_parse->state.fps_d * GST_SECOND,
- base_video_parse->state.fps_n);
- } else {
- return base_video_parse->timestamp_offset +
- gst_util_uint64_scale (picture_number,
- base_video_parse->state.fps_d * GST_SECOND,
- base_video_parse->state.fps_n);
- }
-}
-
-static GstFlowReturn
-gst_base_video_parse_push_all (GstBaseVideoParse * base_video_parse,
- gboolean at_eos)
-{
- GstFlowReturn ret = GST_FLOW_OK;
-
- /* FIXME do stuff */
-
- return ret;
-}
-
-static GstFlowReturn
-gst_base_video_parse_chain (GstPad * pad, GstBuffer * buf)
-{
- GstBaseVideoParse *base_video_parse;
- GstBaseVideoParseClass *klass;
- GstBuffer *buffer;
- GstFlowReturn ret;
-
- GST_DEBUG ("chain with %d bytes", GST_BUFFER_SIZE (buf));
-
- base_video_parse = GST_BASE_VIDEO_PARSE (GST_PAD_PARENT (pad));
- klass = GST_BASE_VIDEO_PARSE_GET_CLASS (base_video_parse);
-
- if (!base_video_parse->started) {
- klass->start (base_video_parse);
- base_video_parse->started = TRUE;
- }
-
- if (G_UNLIKELY (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DISCONT))) {
- GST_DEBUG_OBJECT (base_video_parse, "received DISCONT buffer");
- gst_base_video_parse_reset (base_video_parse);
- base_video_parse->discont = TRUE;
- base_video_parse->have_sync = FALSE;
- }
-
- if (GST_BUFFER_TIMESTAMP (buf) != GST_CLOCK_TIME_NONE) {
- base_video_parse->last_timestamp = GST_BUFFER_TIMESTAMP (buf);
- }
- gst_adapter_push (base_video_parse->input_adapter, buf);
-
- if (!base_video_parse->have_sync) {
- int n, m;
-
- GST_DEBUG ("no sync, scanning");
-
- n = gst_adapter_available (base_video_parse->input_adapter);
- m = klass->scan_for_sync (base_video_parse->input_adapter, FALSE, 0, n);
-
- gst_adapter_flush (base_video_parse->input_adapter, m);
-
- if (m < n) {
- GST_DEBUG ("found possible sync after %d bytes (of %d)", m, n);
-
- /* this is only "maybe" sync */
- base_video_parse->have_sync = TRUE;
- }
-
- if (!base_video_parse->have_sync) {
- return GST_FLOW_OK;
- }
- }
-
- buffer = gst_adapter_get_buffer (base_video_parse->input_adapter);
-
- //base_video_parse->buffer_timestamp = GST_BUFFER_TIMESTAMP (buffer);
- gst_buffer_unref (buffer);
-
- /* FIXME check klass->parse_data */
-
- do {
- ret = klass->parse_data (base_video_parse, FALSE);
- } while (ret == GST_FLOW_OK);
-
- if (ret == GST_BASE_VIDEO_PARSE_FLOW_NEED_DATA) {
- return GST_FLOW_OK;
- }
- return ret;
-}
-
-GstVideoState *
-gst_base_video_parse_get_state (GstBaseVideoParse * base_video_parse)
-{
- return &base_video_parse->state;
-}
-
-void
-gst_base_video_parse_set_state (GstBaseVideoParse * base_video_parse,
- GstVideoState * state)
-{
- GST_DEBUG ("set_state");
-
- memcpy (&base_video_parse->state, state, sizeof (GstVideoState));
-
- /* FIXME set caps */
-
-}
-
-
-gboolean
-gst_base_video_parse_set_src_caps (GstBaseVideoParse * base_video_parse,
- GstCaps * caps)
-{
- g_return_val_if_fail (GST_IS_BASE_VIDEO_PARSE (base_video_parse), FALSE);
-
- GST_DEBUG ("set_src_caps");
-
- return gst_pad_set_caps (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse),
- caps);
-}
-
-void
-gst_base_video_parse_lost_sync (GstBaseVideoParse * base_video_parse)
-{
- g_return_if_fail (GST_IS_BASE_VIDEO_PARSE (base_video_parse));
-
- GST_DEBUG ("lost_sync");
-
- if (gst_adapter_available (base_video_parse->input_adapter) >= 1) {
- gst_adapter_flush (base_video_parse->input_adapter, 1);
- }
-
- base_video_parse->have_sync = FALSE;
-}
-
-GstVideoFrame *
-gst_base_video_parse_get_frame (GstBaseVideoParse * base_video_parse)
-{
- g_return_val_if_fail (GST_IS_BASE_VIDEO_PARSE (base_video_parse), NULL);
-
- return base_video_parse->current_frame;
-}
-
-void
-gst_base_video_parse_add_to_frame (GstBaseVideoParse * base_video_parse,
- int n_bytes)
-{
- GstBuffer *buf;
-
- GST_DEBUG ("add_to_frame");
-
- buf = gst_adapter_take_buffer (base_video_parse->input_adapter, n_bytes);
-
- gst_adapter_push (base_video_parse->output_adapter, buf);
-}
-
-GstFlowReturn
-gst_base_video_parse_finish_frame (GstBaseVideoParse * base_video_parse)
-{
- GstVideoFrame *frame = base_video_parse->current_frame;
- GstBuffer *buffer;
- GstBaseVideoParseClass *base_video_parse_class;
- GstFlowReturn ret;
-
- GST_DEBUG ("finish_frame");
-
- base_video_parse_class = GST_BASE_VIDEO_PARSE_GET_CLASS (base_video_parse);
-
- buffer = gst_adapter_take_buffer (base_video_parse->output_adapter,
- gst_adapter_available (base_video_parse->output_adapter));
-
- if (frame->is_sync_point) {
- base_video_parse->timestamp_offset = base_video_parse->last_timestamp -
- gst_util_uint64_scale (frame->presentation_frame_number,
- base_video_parse->state.fps_d * GST_SECOND,
- base_video_parse->state.fps_n);
- base_video_parse->distance_from_sync = 0;
- }
-
- frame->distance_from_sync = base_video_parse->distance_from_sync;
- base_video_parse->distance_from_sync++;
-
- frame->presentation_timestamp =
- gst_base_video_parse_get_timestamp (base_video_parse,
- frame->presentation_frame_number);
- frame->presentation_duration =
- gst_base_video_parse_get_timestamp (base_video_parse,
- frame->presentation_frame_number + 1) - frame->presentation_timestamp;
- frame->decode_timestamp =
- gst_base_video_parse_get_timestamp (base_video_parse,
- frame->decode_frame_number);
-
- GST_BUFFER_TIMESTAMP (buffer) = frame->presentation_timestamp;
- GST_BUFFER_DURATION (buffer) = frame->presentation_duration;
- if (frame->decode_frame_number < 0) {
- GST_BUFFER_OFFSET (buffer) = 0;
- } else {
- GST_BUFFER_OFFSET (buffer) = frame->decode_timestamp;
- }
- GST_BUFFER_OFFSET_END (buffer) = GST_CLOCK_TIME_NONE;
-
- GST_DEBUG ("pts %" GST_TIME_FORMAT,
- GST_TIME_ARGS (frame->presentation_timestamp));
- GST_DEBUG ("dts %" GST_TIME_FORMAT, GST_TIME_ARGS (frame->decode_timestamp));
- GST_DEBUG ("dist %d", frame->distance_from_sync);
-
- if (frame->is_sync_point) {
- GST_BUFFER_FLAG_UNSET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
- } else {
- GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
- }
-
- frame->src_buffer = buffer;
- ret = base_video_parse_class->shape_output (base_video_parse, frame);
-
- gst_base_video_parse_free_frame (base_video_parse->current_frame);
-
- /* create new frame */
- base_video_parse->current_frame =
- gst_base_video_parse_new_frame (base_video_parse);
-
- return ret;
-}
-
-static void
-gst_base_video_parse_free_frame (GstVideoFrame * frame)
-{
- if (frame->sink_buffer) {
- gst_buffer_unref (frame->sink_buffer);
- }
-#if 0
- if (frame->src_buffer) {
- gst_buffer_unref (frame->src_buffer);
- }
-#endif
-
- g_free (frame);
-}
-
-static GstVideoFrame *
-gst_base_video_parse_new_frame (GstBaseVideoParse * base_video_parse)
-{
- GstVideoFrame *frame;
-
- frame = g_malloc0 (sizeof (GstVideoFrame));
-
- frame->system_frame_number = base_video_parse->system_frame_number;
- base_video_parse->system_frame_number++;
-
- frame->decode_frame_number = frame->system_frame_number -
- base_video_parse->reorder_depth;
-
- return frame;
-}
-
-void
-gst_base_video_parse_set_sync_point (GstBaseVideoParse * base_video_parse)
-{
- GST_DEBUG ("set_sync_point");
-
- base_video_parse->current_frame->is_sync_point = TRUE;
-
- base_video_parse->distance_from_sync = 0;
-}
-
-GstFlowReturn
-gst_base_video_parse_push (GstBaseVideoParse * base_video_parse,
- GstBuffer * buffer)
-{
- GstBaseVideoParseClass *base_video_parse_class;
-
- base_video_parse_class = GST_BASE_VIDEO_PARSE_GET_CLASS (base_video_parse);
-
- if (base_video_parse->caps == NULL) {
- gboolean ret;
-
- base_video_parse->caps =
- base_video_parse_class->get_caps (base_video_parse);
-
- ret = gst_pad_set_caps (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse),
- base_video_parse->caps);
-
- if (!ret) {
- GST_WARNING ("pad didn't accept caps");
- return GST_FLOW_ERROR;
- }
- }
- gst_buffer_set_caps (buffer, base_video_parse->caps);
-
- GST_DEBUG ("pushing ts=%lld dur=%lld off=%lld off_end=%lld",
- GST_BUFFER_TIMESTAMP (buffer),
- GST_BUFFER_DURATION (buffer),
- GST_BUFFER_OFFSET (buffer), GST_BUFFER_OFFSET_END (buffer));
-
- if (base_video_parse->discont) {
- GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
- base_video_parse->discont = FALSE;
- } else {
- GST_BUFFER_FLAG_UNSET (buffer, GST_BUFFER_FLAG_DISCONT);
- }
-
- return gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse), buffer);
-}
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2008 David Schleef <ds@schleef.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifndef _GST_BASE_VIDEO_PARSE_H_
-#define _GST_BASE_VIDEO_PARSE_H_
-
-#include <gst/video/gstbasevideocodec.h>
-#include <gst/video/gstbasevideoutils.h>
-
-G_BEGIN_DECLS
-
-#define GST_TYPE_BASE_VIDEO_PARSE \
- (gst_base_video_parse_get_type())
-#define GST_BASE_VIDEO_PARSE(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_VIDEO_PARSE,GstBaseVideoParse))
-#define GST_BASE_VIDEO_PARSE_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_VIDEO_PARSE,GstBaseVideoParseClass))
-#define GST_BASE_VIDEO_PARSE_GET_CLASS(obj) \
- (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_BASE_VIDEO_PARSE,GstBaseVideoParseClass))
-#define GST_IS_BASE_VIDEO_PARSE(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_VIDEO_PARSE))
-#define GST_IS_BASE_VIDEO_PARSE_CLASS(obj) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_VIDEO_PARSE))
-
-/**
- * GST_BASE_VIDEO_PARSE_SINK_NAME:
- *
- * The name of the templates for the sink pad.
- */
-#define GST_BASE_VIDEO_PARSE_SINK_NAME "sink"
-/**
- * GST_BASE_VIDEO_PARSE_SRC_NAME:
- *
- * The name of the templates for the source pad.
- */
-#define GST_BASE_VIDEO_PARSE_SRC_NAME "src"
-
-/**
- * GST_BASE_VIDEO_PARSE_FLOW_NEED_DATA:
- *
- */
-#define GST_BASE_VIDEO_PARSE_FLOW_NEED_DATA GST_FLOW_CUSTOM_SUCCESS
-
-typedef struct _GstBaseVideoParse GstBaseVideoParse;
-typedef struct _GstBaseVideoParseClass GstBaseVideoParseClass;
-
-struct _GstBaseVideoParse
-{
- GstBaseVideoCodec base_video_codec;
-
- /*< private >*/
- GstAdapter *input_adapter;
- GstAdapter *output_adapter;
-
- int reorder_depth;
-
- gboolean have_sync;
- gboolean discont;
- gboolean started;
-
- GstVideoFrame *current_frame;
- GstVideoState state;
- GstSegment segment;
- int distance_from_sync;
-
- gboolean sink_clipping;
-
- guint64 presentation_frame_number;
- guint64 system_frame_number;
-
- GstCaps *caps;
- gboolean set_output_caps;
-
- GstClockTime last_timestamp;
-
- gint64 timestamp_offset;
-};
-
-struct _GstBaseVideoParseClass
-{
- GstBaseVideoCodecClass base_video_codec_class;
-
- gboolean (*start) (GstBaseVideoParse *parse);
- gboolean (*stop) (GstBaseVideoParse *parse);
- gboolean (*reset) (GstBaseVideoParse *parse);
- GstFlowReturn (*parse_data) (GstBaseVideoParse *parse, gboolean at_eos);
- int (*scan_for_sync) (GstAdapter *adapter, gboolean at_eos,
- int offset, int n);
- GstFlowReturn (*shape_output) (GstBaseVideoParse *parse, GstVideoFrame *frame);
- GstCaps *(*get_caps) (GstBaseVideoParse *parse);
-
-};
-
-GType gst_base_video_parse_get_type (void);
-
-int gst_base_video_parse_get_width (GstBaseVideoParse *parse);
-int gst_base_video_parse_get_height (GstBaseVideoParse *parse);
-GstVideoState *gst_base_video_parse_get_state (GstBaseVideoParse *parse);
-void gst_base_video_parse_set_state (GstBaseVideoParse *parse,
- GstVideoState *state);
-
-guint64 gst_base_video_parse_get_timestamp_offset (GstBaseVideoParse *parse);
-
-gboolean gst_base_video_parse_set_src_caps (GstBaseVideoParse *base_video_parse, GstCaps *caps);
-
-GstFlowReturn gst_base_video_parse_end_of_stream (GstBaseVideoParse *base_video_parse,
- GstBuffer *buffer);
-
-void gst_base_video_parse_lost_sync (GstBaseVideoParse *base_video_parse);
-
-GstVideoFrame * gst_base_video_parse_get_frame (GstBaseVideoParse *base_video_parse);
-void gst_base_video_parse_add_to_frame (GstBaseVideoParse *base_video_parse, int n_bytes);
-GstFlowReturn gst_base_video_parse_finish_frame (GstBaseVideoParse *base_video_parse);
-void gst_base_video_parse_set_sync_point (GstBaseVideoParse *base_video_parse);
-GstFlowReturn gst_base_video_parse_push (GstBaseVideoParse *base_video_parse,
- GstBuffer *buffer);
-
-G_END_DECLS
-
-#endif
-
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2008 David Schleef <ds@schleef.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "gstbasevideoutils.h"
-
-#include <string.h>
-
-GST_DEBUG_CATEGORY_EXTERN (basevideo_debug);
-#define GST_CAT_DEFAULT basevideo_debug
-
-
-#if 0
-guint64
-gst_base_video_convert_bytes_to_frames (GstVideoState * state, guint64 bytes)
-{
- return gst_util_uint64_scale_int (bytes, 1, state->bytes_per_picture);
-}
-
-guint64
-gst_base_video_convert_frames_to_bytes (GstVideoState * state, guint64 frames)
-{
- return frames * state->bytes_per_picture;
-}
-#endif
-
-
-gboolean
-gst_base_video_rawvideo_convert (GstVideoState * state,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
-{
- gboolean res = FALSE;
-
- if (src_format == *dest_format) {
- *dest_value = src_value;
- return TRUE;
- }
-
- if (src_format == GST_FORMAT_BYTES &&
- *dest_format == GST_FORMAT_DEFAULT && state->bytes_per_picture != 0) {
- /* convert bytes to frames */
- *dest_value = gst_util_uint64_scale_int (src_value, 1,
- state->bytes_per_picture);
- res = TRUE;
- } else if (src_format == GST_FORMAT_DEFAULT &&
- *dest_format == GST_FORMAT_BYTES && state->bytes_per_picture != 0) {
- /* convert bytes to frames */
- *dest_value = src_value * state->bytes_per_picture;
- res = TRUE;
- } else if (src_format == GST_FORMAT_DEFAULT &&
- *dest_format == GST_FORMAT_TIME && state->fps_n != 0) {
- /* convert frames to time */
- /* FIXME add segment time? */
- *dest_value = gst_util_uint64_scale (src_value,
- GST_SECOND * state->fps_d, state->fps_n);
- res = TRUE;
- } else if (src_format == GST_FORMAT_TIME &&
- *dest_format == GST_FORMAT_DEFAULT && state->fps_d != 0) {
- /* convert time to frames */
- /* FIXME subtract segment time? */
- *dest_value = gst_util_uint64_scale (src_value, state->fps_n,
- GST_SECOND * state->fps_d);
- res = TRUE;
- }
-
- /* FIXME add bytes <--> time */
-
- return res;
-}
-
-gboolean
-gst_base_video_encoded_video_convert (GstVideoState * state,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
-{
- gboolean res = FALSE;
-
- if (src_format == *dest_format) {
- *dest_value = src_value;
- return TRUE;
- }
-
- GST_DEBUG ("src convert");
-
-#if 0
- if (src_format == GST_FORMAT_DEFAULT && *dest_format == GST_FORMAT_TIME) {
- if (dec->fps_d != 0) {
- *dest_value = gst_util_uint64_scale (granulepos_to_frame (src_value),
- dec->fps_d * GST_SECOND, dec->fps_n);
- res = TRUE;
- } else {
- res = FALSE;
- }
- } else {
- GST_WARNING ("unhandled conversion from %d to %d", src_format,
- *dest_format);
- res = FALSE;
- }
-#endif
-
- return res;
-}
-
-gboolean
-gst_base_video_state_from_caps (GstVideoState * state, GstCaps * caps)
-{
-
- gst_video_format_parse_caps (caps, &state->format,
- &state->width, &state->height);
-
- gst_video_parse_caps_framerate (caps, &state->fps_n, &state->fps_d);
-
- state->par_n = 1;
- state->par_d = 1;
- gst_video_parse_caps_pixel_aspect_ratio (caps, &state->par_n, &state->par_d);
-
- {
- GstStructure *structure = gst_caps_get_structure (caps, 0);
- state->interlaced = FALSE;
- gst_structure_get_boolean (structure, "interlaced", &state->interlaced);
- }
-
- state->clean_width = state->width;
- state->clean_height = state->height;
- state->clean_offset_left = 0;
- state->clean_offset_top = 0;
-
- /* FIXME need better error handling */
- return TRUE;
-}
-
-GstClockTime
-gst_video_state_get_timestamp (const GstVideoState * state,
- GstSegment * segment, int frame_number)
-{
- if (frame_number < 0) {
- return segment->start -
- (gint64) gst_util_uint64_scale (-frame_number,
- state->fps_d * GST_SECOND, state->fps_n);
- } else {
- return segment->start +
- gst_util_uint64_scale (frame_number,
- state->fps_d * GST_SECOND, state->fps_n);
- }
-}
-
-/* gst adapter */
-
-static GSList *
-get_chunk (GstAdapter * adapter, int offset, int *skip)
-{
- GSList *g;
-
-#if 1
- if (skip)
- *skip = 0;
-#endif
-
- g_return_val_if_fail (offset >= 0, NULL);
- g_return_val_if_fail (offset < adapter->size, NULL);
-
- offset += adapter->skip;
- g = adapter->buflist;
- while (g) {
- if (offset < GST_BUFFER_SIZE (GST_BUFFER_CAST (g->data))) {
- if (skip)
- *skip = offset;
- return g;
- }
- offset -= GST_BUFFER_SIZE (GST_BUFFER_CAST (g->data));
- g = g->next;
- }
-
- g_assert_not_reached ();
-}
-
-static int
-scan_fast (guint8 * data, guint32 pattern, guint32 mask, int n)
-{
- int i;
-
- pattern &= mask;
- for (i = 0; i < n; i++) {
- if ((GST_READ_UINT32_BE (data + i) & mask) == pattern) {
- return i;
- }
- }
- return n;
-}
-
-static gboolean
-scan_slow (GstAdapter * adapter, GSList * g, int skip, guint32 pattern,
- guint32 mask)
-{
- guint8 tmp[4];
- int j;
-
- pattern &= mask;
- for (j = 0; j < 4; j++) {
- tmp[j] = ((guint8 *) GST_BUFFER_DATA (GST_BUFFER_CAST (g->data)))[skip];
- skip++;
- if (skip >= GST_BUFFER_SIZE (GST_BUFFER_CAST (g->data))) {
- g = g->next;
- skip = 0;
- }
- }
-
- return ((GST_READ_UINT32_BE (tmp) & mask) == pattern);
-}
-
-int
-gst_adapter_masked_scan_uint32_compat (GstAdapter * adapter, guint32 mask,
- guint32 pattern, guint offset, guint n)
-{
- GSList *g;
- int j;
- int k;
- int skip;
- int m;
-
- g_return_val_if_fail (n >= 0, -1);
- g_return_val_if_fail (offset >= 0, -1);
- g_return_val_if_fail (offset + n + 4 <= adapter->size, -1);
-
- g = get_chunk (adapter, offset, &skip);
- j = 0;
- while (j < n) {
- m = MIN (GST_BUFFER_SIZE (GST_BUFFER_CAST (g->data)) - skip - 4, 0);
- if (m > 0) {
- k = scan_fast (GST_BUFFER_DATA (GST_BUFFER_CAST (g->data)) + skip,
- pattern, mask, m);
- if (k < m) {
- return offset + j + k;
- }
- j += m;
- skip += m;
- } else {
- if (scan_slow (adapter, g, skip, pattern, mask)) {
- return offset + j;
- }
- j++;
- skip++;
- }
- if (skip >= GST_BUFFER_SIZE (GST_BUFFER_CAST (g->data))) {
- g = g->next;
- skip = 0;
- }
- }
-
- return -1;
-}
-
-GstBuffer *
-gst_adapter_get_buffer (GstAdapter * adapter)
-{
- return gst_buffer_ref (GST_BUFFER_CAST (adapter->buflist->data));
-
-}
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2008 David Schleef <ds@schleef.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifndef _GST_BASE_VIDEO_UTILS_H_
-#define _GST_BASE_VIDEO_UTILS_H_
-
-#include <gst/gst.h>
-#include "gstvideocompat.h"
-#include <gst/base/gstadapter.h>
-
-G_BEGIN_DECLS
-
-typedef struct _GstVideoState GstVideoState;
-typedef struct _GstVideoFrame GstVideoFrame;
-
-struct _GstVideoState
-{
- GstVideoFormat format;
- int width, height;
- int fps_n, fps_d;
- int par_n, par_d;
-
- gboolean have_interlaced;
- gboolean interlaced;
- gboolean top_field_first;
-
- int clean_width, clean_height;
- int clean_offset_left, clean_offset_top;
-
- int bytes_per_picture;
-
- //GstSegment segment;
-
- int picture_number;
- GstBuffer *codec_data;
-
-};
-
-struct _GstVideoFrame
-{
- GstClockTime decode_timestamp;
- GstClockTime presentation_timestamp;
- GstClockTime presentation_duration;
-
- gint system_frame_number;
- gint decode_frame_number;
- gint presentation_frame_number;
-
- int distance_from_sync;
- gboolean is_sync_point;
- gboolean is_eos;
-
- GstBuffer *sink_buffer;
- GstBuffer *src_buffer;
-
- int field_index;
- int n_fields;
-
- void *coder_hook;
-};
-
-gboolean gst_base_video_rawvideo_convert (GstVideoState *state,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 *dest_value);
-gboolean gst_base_video_encoded_video_convert (GstVideoState *state,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 *dest_value);
-
-gboolean gst_base_video_state_from_caps (GstVideoState *state,
- GstCaps *caps);
-
-GstClockTime gst_video_state_get_timestamp (const GstVideoState *state,
- GstSegment *segment, int frame_number);
-
-int gst_adapter_masked_scan_uint32_compat (GstAdapter *adapter,
- guint32 pattern, guint32 mask, guint offset, guint n);
-GstBuffer *gst_adapter_get_buffer (GstAdapter *adapter);
-
-G_END_DECLS
-
-#endif
-
+++ /dev/null
-/*
- * Copyright 2007 David A. Schleef
- *
- * This comes solely from commit 1c3e012fc3e4b9aba19d44855bf8c8bf6ec44cd5
- * to gst-plugins-base.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <gst/gst.h>
-#include <string.h>
-#include "gstvideocompat.h"
-
-#if 0
-/**
- * gst_video_format_parse_caps:
- * @caps: the #GstCaps to parse
- * @format: the #GstVideoFormat of the video represented by @caps (output)
- * @width: the width of the video represented by @caps (output)
- * @height: the height of the video represented by @caps (output)
- *
- * Determines the #GstVideoFormat of @caps and places it in the location
- * pointed to by @format. Extracts the size of the video and places it
- * in the location pointed to by @width and @height. If @caps does not
- * reprsent one of the raw video formats listed in #GstVideoFormat, the
- * function will fail and return FALSE.
- *
- * Since: 0.10.16
- *
- * Returns: TRUE if @caps was parsed correctly.
- */
-gboolean
-gst_video_format_parse_caps (GstCaps * caps, GstVideoFormat * format,
- int *width, int *height)
-{
- GstStructure *structure;
- gboolean ok = TRUE;
-
- if (!gst_caps_is_fixed (caps))
- return FALSE;
-
- structure = gst_caps_get_structure (caps, 0);
-
- if (format) {
- if (gst_structure_has_name (structure, "video/x-raw-yuv")) {
- guint32 fourcc;
-
- ok &= gst_structure_get_fourcc (structure, "format", &fourcc);
-
- *format = gst_video_format_from_fourcc (fourcc);
- if (*format == GST_VIDEO_FORMAT_UNKNOWN) {
- ok = FALSE;
- }
-#if 0
- } else if (gst_structure_has_name (structure, "video/x-raw-rgb")) {
- int depth;
- int bpp;
- int endianness;
- int red_mask;
- int green_mask;
- int blue_mask;
-
- ok &= gst_structure_get_int (structure, "depth", &depth);
- ok &= gst_structure_get_int (structure, "bpp", &bpp);
- ok &= gst_structure_get_int (structure, "endianness", &endianness);
- ok &= gst_structure_get_int (structure, "red_mask", &red_mask);
- ok &= gst_structure_get_int (structure, "green_mask", &green_mask);
- ok &= gst_structure_get_int (structure, "blue_mask", &blue_mask);
-
- if (depth != 24 || bpp != 32 || endianness != G_BIG_ENDIAN) {
- ok = FALSE;
- } else {
- *format = gst_video_format_from_rgb32_masks (red_mask, green_mask,
- blue_mask);
- if (*format == GST_VIDEO_FORMAT_UNKNOWN) {
- ok = FALSE;
- }
- }
-#endif
- } else {
- ok = FALSE;
- }
- }
-
- if (width) {
- ok &= gst_structure_get_int (structure, "width", width);
- }
-
- if (height) {
- ok &= gst_structure_get_int (structure, "height", height);
- }
-
- return ok;
-}
-
-/**
- * gst_video_parse_caps_framerate:
- * @caps:
- * @fps_n: pointer to numerator of frame rate (output)
- * @fps_d: pointer to denominator of frame rate (output)
- *
- * Extracts the frame rate from @caps and places the values in the locations
- * pointed to by @fps_n and @fps_d. Returns TRUE if the values could be
- * parsed correctly, FALSE if not.
- *
- * This function can be used with #GstCaps that have any media type; it
- * is not limited to formats handled by #GstVideoFormat.
- *
- * Since: 0.10.16
- *
- * Returns: TRUE if @caps was parsed correctly.
- */
-gboolean
-gst_video_parse_caps_framerate (GstCaps * caps, int *fps_n, int *fps_d)
-{
- GstStructure *structure;
-
- if (!gst_caps_is_fixed (caps))
- return FALSE;
-
- structure = gst_caps_get_structure (caps, 0);
-
- return gst_structure_get_fraction (structure, "framerate", fps_n, fps_d);
-}
-
-/**
- * gst_video_parse_caps_pixel_aspect_ratio:
- * @caps:
- * @par_n: pointer to numerator of pixel aspect ratio (output)
- * @par_d: pointer to denominator of pixel aspect ratio (output)
- *
- * Extracts the pixel aspect ratio from @caps and places the values in
- * the locations pointed to by @par_n and @par_d. Returns TRUE if the
- * values could be parsed correctly, FALSE if not.
- *
- * This function can be used with #GstCaps that have any media type; it
- * is not limited to formats handled by #GstVideoFormat.
- *
- * Since: 0.10.16
- *
- * Returns: TRUE if @caps was parsed correctly.
- */
-gboolean
-gst_video_parse_caps_pixel_aspect_ratio (GstCaps * caps, int *par_n, int *par_d)
-{
- GstStructure *structure;
-
- if (!gst_caps_is_fixed (caps))
- return FALSE;
-
- structure = gst_caps_get_structure (caps, 0);
-
- if (!gst_structure_get_fraction (structure, "pixel-aspect-ratio",
- par_n, par_d)) {
- *par_n = 1;
- *par_d = 1;
- }
- return TRUE;
-}
-
-/**
- * gst_video_format_new_caps:
- * @format: the #GstVideoFormat describing the raw video format
- * @width: width of video
- * @height: height of video
- * @framerate_n: numerator of frame rate
- * @framerate_d: denominator of frame rate
- * @par_n: numerator of pixel aspect ratio
- * @par_d: denominator of pixel aspect ratio
- *
- * Creates a new #GstCaps object based on the parameters provided.
- *
- * Since: 0.10.16
- *
- * Returns: a new #GstCaps object, or NULL if there was an error
- */
-GstCaps *
-gst_video_format_new_caps (GstVideoFormat format, int width, int height,
- int framerate_n, int framerate_d, int par_n, int par_d)
-{
- if (gst_video_format_is_yuv (format)) {
- return gst_caps_new_simple ("video/x-raw-yuv",
- "format", GST_TYPE_FOURCC, gst_video_format_to_fourcc (format),
- "width", G_TYPE_INT, width,
- "height", G_TYPE_INT, height,
- "framerate", GST_TYPE_FRACTION, framerate_n, framerate_d,
- "pixel-aspect-ratio", GST_TYPE_FRACTION, par_n, par_d, NULL);
- }
- if (gst_video_format_is_rgb (format)) {
- int red_mask;
- int blue_mask;
- int green_mask;
-
- red_mask =
- 0xff000000U >> gst_video_format_get_component_offset (format, 0, width,
- height);
- green_mask =
- 0xff000000U >> gst_video_format_get_component_offset (format, 1, width,
- height);
- blue_mask =
- 0xff000000U >> gst_video_format_get_component_offset (format, 2, width,
- height);
-
- return gst_caps_new_simple ("video/x-raw-rgb",
- "bpp", G_TYPE_INT, 32,
- "depth", G_TYPE_INT, 24,
- "endianness", G_TYPE_INT, G_BIG_ENDIAN,
- "red_mask", G_TYPE_INT, red_mask,
- "green_mask", G_TYPE_INT, green_mask,
- "blue_mask", G_TYPE_INT, blue_mask,
- "width", G_TYPE_INT, width,
- "height", G_TYPE_INT, height,
- "framerate", GST_TYPE_FRACTION, framerate_n, framerate_d,
- "pixel-aspect-ratio", GST_TYPE_FRACTION, par_n, par_d, NULL);
- }
- return NULL;
-}
-
-/**
- * gst_video_format_from_fourcc:
- * @fourcc: a FOURCC value representing raw YUV video
- *
- * Converts a FOURCC value into the corresponding #GstVideoFormat.
- * If the FOURCC cannot be represented by #GstVideoFormat,
- * #GST_VIDEO_FORMAT_UNKNOWN is returned.
- *
- * Since: 0.10.16
- *
- * Returns: the #GstVideoFormat describing the FOURCC value
- */
-GstVideoFormat
-gst_video_format_from_fourcc (guint32 fourcc)
-{
- switch (fourcc) {
- case GST_MAKE_FOURCC ('I', '4', '2', '0'):
- return GST_VIDEO_FORMAT_I420;
- case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
- return GST_VIDEO_FORMAT_YV12;
- case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
- return GST_VIDEO_FORMAT_YUY2;
- case GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y'):
- return GST_VIDEO_FORMAT_UYVY;
- case GST_MAKE_FOURCC ('A', 'Y', 'U', 'V'):
- return GST_VIDEO_FORMAT_AYUV;
- default:
- return GST_VIDEO_FORMAT_UNKNOWN;
- }
-}
-
-/**
- * gst_video_format_to_fourcc:
- * @format: a #GstVideoFormat video format
- *
- * Converts a #GstVideoFormat value into the corresponding FOURCC. Only
- * a few YUV formats have corresponding FOURCC values. If @format has
- * no corresponding FOURCC value, 0 is returned.
- *
- * Since: 0.10.16
- *
- * Returns: the FOURCC corresponding to @format
- */
-guint32
-gst_video_format_to_fourcc (GstVideoFormat format)
-{
- switch (format) {
- case GST_VIDEO_FORMAT_I420:
- return GST_MAKE_FOURCC ('I', '4', '2', '0');
- case GST_VIDEO_FORMAT_YV12:
- return GST_MAKE_FOURCC ('Y', 'V', '1', '2');
- case GST_VIDEO_FORMAT_YUY2:
- return GST_MAKE_FOURCC ('Y', 'U', 'Y', '2');
- case GST_VIDEO_FORMAT_UYVY:
- return GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y');
- case GST_VIDEO_FORMAT_AYUV:
- return GST_MAKE_FOURCC ('A', 'Y', 'U', 'V');
- default:
- return 0;
- }
-}
-
-/**
- * gst_video_format_from_rgb32_masks:
- * @red_mask: red bit mask
- * @green_mask: green bit mask
- * @blue_mask: blue bit mask
- *
- * Converts red, green, blue bit masks into the corresponding
- * #GstVideoFormat.
- *
- * Since: 0.10.16
- *
- * Returns: the #GstVideoFormat corresponding to the bit masks
- */
-GstVideoFormat
-gst_video_format_from_rgb32_masks (int red_mask, int green_mask, int blue_mask)
-{
- if (red_mask == 0xff000000 && green_mask == 0x00ff0000 &&
- blue_mask == 0x0000ff00) {
- return GST_VIDEO_FORMAT_RGBx;
- }
- if (red_mask == 0x0000ff00 && green_mask == 0x00ff0000 &&
- blue_mask == 0xff000000) {
- return GST_VIDEO_FORMAT_BGRx;
- }
- if (red_mask == 0x00ff0000 && green_mask == 0x0000ff00 &&
- blue_mask == 0x000000ff) {
- return GST_VIDEO_FORMAT_xRGB;
- }
- if (red_mask == 0x000000ff && green_mask == 0x0000ff00 &&
- blue_mask == 0x00ff0000) {
- return GST_VIDEO_FORMAT_xBGR;
- }
-
- return GST_VIDEO_FORMAT_UNKNOWN;
-}
-
-/**
- * gst_video_format_is_rgb:
- * @format: a #GstVideoFormat
- *
- * Since: 0.10.16
- *
- * Returns: TRUE if @format represents RGB video
- */
-gboolean
-gst_video_format_is_rgb (GstVideoFormat format)
-{
- switch (format) {
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- case GST_VIDEO_FORMAT_YUY2:
- case GST_VIDEO_FORMAT_UYVY:
- case GST_VIDEO_FORMAT_AYUV:
- return FALSE;
- case GST_VIDEO_FORMAT_RGBx:
- case GST_VIDEO_FORMAT_BGRx:
- case GST_VIDEO_FORMAT_xRGB:
- case GST_VIDEO_FORMAT_xBGR:
- return TRUE;
- default:
- return FALSE;
- }
-}
-
-/**
- * gst_video_format_is_yuv:
- * @format: a #GstVideoFormat
- *
- * Since: 0.10.16
- *
- * Returns: TRUE if @format represents YUV video
- */
-gboolean
-gst_video_format_is_yuv (GstVideoFormat format)
-{
- switch (format) {
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- case GST_VIDEO_FORMAT_YUY2:
- case GST_VIDEO_FORMAT_UYVY:
- case GST_VIDEO_FORMAT_AYUV:
- return TRUE;
- case GST_VIDEO_FORMAT_RGBx:
- case GST_VIDEO_FORMAT_BGRx:
- case GST_VIDEO_FORMAT_xRGB:
- case GST_VIDEO_FORMAT_xBGR:
- return FALSE;
- default:
- return FALSE;
- }
-}
-
-/**
- * gst_video_format_has_alpha:
- * @format: a #GstVideoFormat
- *
- * Since: 0.10.16
- *
- * Returns: TRUE if @format has an alpha channel
- */
-gboolean
-gst_video_format_has_alpha (GstVideoFormat format)
-{
- switch (format) {
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- case GST_VIDEO_FORMAT_YUY2:
- case GST_VIDEO_FORMAT_UYVY:
- return FALSE;
- case GST_VIDEO_FORMAT_AYUV:
- return TRUE;
- case GST_VIDEO_FORMAT_RGBx:
- case GST_VIDEO_FORMAT_BGRx:
- case GST_VIDEO_FORMAT_xRGB:
- case GST_VIDEO_FORMAT_xBGR:
- return FALSE;
- default:
- return FALSE;
- }
-}
-
-/**
- * gst_video_format_get_row_stride:
- * @format: a #GstVideoFormat
- * @component: the component index
- * @width: the width of video
- *
- * Calculates the row stride (number of bytes from one row of pixels to
- * the next) for the video component with an index of @component. For
- * YUV video, Y, U, and V have component indices of 0, 1, and 2,
- * respectively. For RGB video, R, G, and B have component indicies of
- * 0, 1, and 2, respectively. Alpha channels, if present, have a component
- * index of 3. The @width parameter always represents the width of the
- * video, not the component.
- *
- * Since: 0.10.16
- *
- * Returns: row stride of component @component
- */
-int
-gst_video_format_get_row_stride (GstVideoFormat format, int component,
- int width)
-{
- switch (format) {
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- if (component == 0) {
- return GST_ROUND_UP_4 (width);
- } else {
- return GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2);
- }
- case GST_VIDEO_FORMAT_YUY2:
- case GST_VIDEO_FORMAT_UYVY:
- return GST_ROUND_UP_4 (width * 2);
- case GST_VIDEO_FORMAT_AYUV:
- case GST_VIDEO_FORMAT_RGBx:
- case GST_VIDEO_FORMAT_BGRx:
- case GST_VIDEO_FORMAT_xRGB:
- case GST_VIDEO_FORMAT_xBGR:
- return width * 4;
- default:
- return 0;
- }
-}
-
-/**
- * gst_video_format_get_pixel_stride:
- * @format: a #GstVideoFormat
- * @component: the component index
- *
- * Calculates the pixel stride (number of bytes from one pixel to the
- * pixel to its immediate left) for the video component with an index
- * of @component. See @gst_video_format_get_row_stride for a description
- * of the component index.
- *
- * Since: 0.10.16
- *
- * Returns: pixel stride of component @component
- */
-int
-gst_video_format_get_pixel_stride (GstVideoFormat format, int component)
-{
- switch (format) {
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- return 1;
- case GST_VIDEO_FORMAT_YUY2:
- case GST_VIDEO_FORMAT_UYVY:
- if (component == 0) {
- return 2;
- } else {
- return 4;
- }
- case GST_VIDEO_FORMAT_AYUV:
- case GST_VIDEO_FORMAT_RGBx:
- case GST_VIDEO_FORMAT_BGRx:
- case GST_VIDEO_FORMAT_xRGB:
- case GST_VIDEO_FORMAT_xBGR:
- return 4;
- default:
- return 0;
- }
-}
-
-/**
- * gst_video_format_get_component_width:
- * @format: a #GstVideoFormat
- * @component: the component index
- * @width: the width of video
- *
- * Calculates the width of the component. See
- * @gst_video_format_get_row_stride for a description
- * of the component index.
- *
- * Since: 0.10.16
- *
- * Returns: width of component @component
- */
-int
-gst_video_format_get_component_width (GstVideoFormat format, int component,
- int width)
-{
- switch (format) {
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- case GST_VIDEO_FORMAT_YUY2:
- case GST_VIDEO_FORMAT_UYVY:
- if (component == 0) {
- return width;
- } else {
- return GST_ROUND_UP_2 (width) / 2;
- }
- case GST_VIDEO_FORMAT_AYUV:
- case GST_VIDEO_FORMAT_RGBx:
- case GST_VIDEO_FORMAT_BGRx:
- case GST_VIDEO_FORMAT_xRGB:
- case GST_VIDEO_FORMAT_xBGR:
- return width;
- default:
- return 0;
- }
-}
-
-/**
- * gst_video_format_get_component_height:
- * @format: a #GstVideoFormat
- * @component: the component index
- * @height: the height of video
- *
- * Calculates the height of the component. See
- * @gst_video_format_get_row_stride for a description
- * of the component index.
- *
- * Since: 0.10.16
- *
- * Returns: height of component @component
- */
-int
-gst_video_format_get_component_height (GstVideoFormat format, int component,
- int height)
-{
- switch (format) {
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- if (component == 0) {
- return height;
- } else {
- return GST_ROUND_UP_2 (height) / 2;
- }
- case GST_VIDEO_FORMAT_YUY2:
- case GST_VIDEO_FORMAT_UYVY:
- case GST_VIDEO_FORMAT_AYUV:
- case GST_VIDEO_FORMAT_RGBx:
- case GST_VIDEO_FORMAT_BGRx:
- case GST_VIDEO_FORMAT_xRGB:
- case GST_VIDEO_FORMAT_xBGR:
- return height;
- default:
- return 0;
- }
-}
-
-/**
- * gst_video_format_get_component_offset:
- * @format: a #GstVideoFormat
- * @component: the component index
- * @width: the width of video
- * @height: the height of video
- *
- * Calculates the offset (in bytes) of the first pixel of the component
- * with index @component. For packed formats, this will typically be a
- * small integer (0, 1, 2, 3). For planar formats, this will be a
- * (relatively) large offset to the beginning of the second or third
- * component planes. See @gst_video_format_get_row_stride for a description
- * of the component index.
- *
- * Since: 0.10.16
- *
- * Returns: offset of component @component
- */
-int
-gst_video_format_get_component_offset (GstVideoFormat format, int component,
- int width, int height)
-{
- switch (format) {
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- if (component == 0) {
- return 0;
- } else {
- int offset;
-
- offset = GST_ROUND_UP_4 (width) * GST_ROUND_UP_2 (height);
- if (component == 2) {
- offset += GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2) *
- (GST_ROUND_UP_2 (height) / 2);
- }
- return offset;
- }
- case GST_VIDEO_FORMAT_YUY2:
- if (component == 0)
- return 0;
- if (component == 1)
- return 1;
- if (component == 2)
- return 3;
- return 0;
- case GST_VIDEO_FORMAT_UYVY:
- if (component == 0)
- return 1;
- if (component == 1)
- return 0;
- if (component == 2)
- return 2;
- return 0;
- case GST_VIDEO_FORMAT_AYUV:
- if (component == 0)
- return 1;
- if (component == 1)
- return 2;
- if (component == 2)
- return 3;
- if (component == 3)
- return 0;
- return 0;
- case GST_VIDEO_FORMAT_RGBx:
- if (component == 0)
- return 0;
- if (component == 1)
- return 1;
- if (component == 2)
- return 2;
- if (component == 3)
- return 3;
- return 0;
- case GST_VIDEO_FORMAT_BGRx:
- if (component == 0)
- return 2;
- if (component == 1)
- return 1;
- if (component == 2)
- return 0;
- if (component == 3)
- return 3;
- return 0;
- case GST_VIDEO_FORMAT_xRGB:
- if (component == 0)
- return 1;
- if (component == 1)
- return 2;
- if (component == 2)
- return 3;
- if (component == 3)
- return 0;
- return 0;
- case GST_VIDEO_FORMAT_xBGR:
- if (component == 0)
- return 3;
- if (component == 1)
- return 2;
- if (component == 2)
- return 1;
- if (component == 3)
- return 0;
- return 0;
- default:
- return 0;
- }
-}
-
-/**
- * gst_video_format_get_size:
- * @format: a #GstVideoFormat
- * @width: the width of video
- * @height: the height of video
- *
- * Calculates the total number of bytes in the raw video format. This
- * number should be used when allocating a buffer for raw video.
- *
- * Since: 0.10.16
- *
- * Returns: size (in bytes) of raw video format
- */
-int
-gst_video_format_get_size (GstVideoFormat format, int width, int height)
-{
- int size;
-
- switch (format) {
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- size = GST_ROUND_UP_4 (width) * GST_ROUND_UP_2 (height);
- size += GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2) *
- (GST_ROUND_UP_2 (height) / 2) * 2;
- return size;
- case GST_VIDEO_FORMAT_YUY2:
- case GST_VIDEO_FORMAT_UYVY:
- return GST_ROUND_UP_4 (width * 2) * height;
- case GST_VIDEO_FORMAT_AYUV:
- case GST_VIDEO_FORMAT_RGBx:
- case GST_VIDEO_FORMAT_BGRx:
- case GST_VIDEO_FORMAT_xRGB:
- case GST_VIDEO_FORMAT_xBGR:
- return width * 4 * height;
- default:
- return 0;
- }
-}
-
-/**
- * gst_video_format_convert:
- * @format: a #GstVideoFormat
- * @width: the width of video
- * @height: the height of video
- * @fps_n: frame rate numerator
- * @fps_d: frame rate denominator
- * @src_format: #GstFormat of the @src_value
- * @src_value: value to convert
- * @dest_format: #GstFormat of the @dest_value
- * @dest_value: pointer to destination value
- *
- * Converts among various #GstFormat types. This function handles
- * GST_FORMAT_BYTES, GST_FORMAT_TIME, and GST_FORMAT_DEFAULT. For
- * raw video, GST_FORMAT_DEFAULT corresponds to video frames. This
- * function can be to handle pad queries of the type GST_QUERY_CONVERT.
- *
- * Since: 0.10.16
- *
- * Returns: TRUE if the conversion was successful.
- */
-gboolean
-gst_video_format_convert (GstVideoFormat format, int width, int height,
- int fps_n, int fps_d,
- GstFormat src_format, gint64 src_value,
- GstFormat dest_format, gint64 * dest_value)
-{
- gboolean ret = FALSE;
- int size;
-
- size = gst_video_format_get_size (format, width, height);
-
- GST_DEBUG ("converting value %" G_GINT64_FORMAT " from %s to %s",
- src_value, gst_format_get_name (src_format),
- gst_format_get_name (dest_format));
-
- if (src_format == dest_format) {
- *dest_value = src_value;
- ret = TRUE;
- goto done;
- }
-
- if (src_value == -1) {
- *dest_value = -1;
- ret = TRUE;
- goto done;
- }
-
- /* bytes to frames */
- if (src_format == GST_FORMAT_BYTES && dest_format == GST_FORMAT_DEFAULT) {
- if (size != 0) {
- *dest_value = gst_util_uint64_scale_int (src_value, 1, size);
- } else {
- GST_WARNING ("blocksize is 0");
- *dest_value = 0;
- }
- ret = TRUE;
- goto done;
- }
-
- /* frames to bytes */
- if (src_format == GST_FORMAT_DEFAULT && dest_format == GST_FORMAT_BYTES) {
- *dest_value = gst_util_uint64_scale_int (src_value, size, 1);
- ret = TRUE;
- goto done;
- }
-
- /* time to frames */
- if (src_format == GST_FORMAT_TIME && dest_format == GST_FORMAT_DEFAULT) {
- if (fps_d != 0) {
- *dest_value = gst_util_uint64_scale (src_value,
- fps_n, GST_SECOND * fps_d);
- } else {
- GST_WARNING ("framerate denominator is 0");
- *dest_value = 0;
- }
- ret = TRUE;
- goto done;
- }
-
- /* frames to time */
- if (src_format == GST_FORMAT_DEFAULT && dest_format == GST_FORMAT_TIME) {
- if (fps_n != 0) {
- *dest_value = gst_util_uint64_scale (src_value,
- GST_SECOND * fps_d, fps_n);
- } else {
- GST_WARNING ("framerate numerator is 0");
- *dest_value = 0;
- }
- ret = TRUE;
- goto done;
- }
-
- /* time to bytes */
- if (src_format == GST_FORMAT_TIME && dest_format == GST_FORMAT_BYTES) {
- if (fps_d != 0) {
- *dest_value = gst_util_uint64_scale (src_value,
- fps_n * size, GST_SECOND * fps_d);
- } else {
- GST_WARNING ("framerate denominator is 0");
- *dest_value = 0;
- }
- ret = TRUE;
- goto done;
- }
-
- /* bytes to time */
- if (src_format == GST_FORMAT_BYTES && dest_format == GST_FORMAT_TIME) {
- if (fps_n != 0 && size != 0) {
- *dest_value = gst_util_uint64_scale (src_value,
- GST_SECOND * fps_d, fps_n * size);
- } else {
- GST_WARNING ("framerate denominator and/or blocksize is 0");
- *dest_value = 0;
- }
- ret = TRUE;
- }
-
-done:
-
- GST_DEBUG ("ret=%d result %" G_GINT64_FORMAT, ret, *dest_value);
-
- return ret;
-}
-
-void
-gst_adapter_copy (GstAdapter * adapter, guint8 * dest, guint offset, guint size)
-{
- GSList *g;
- int skip;
-
- g_return_if_fail (GST_IS_ADAPTER (adapter));
- g_return_if_fail (size > 0);
-
- /* we don't have enough data, return. This is unlikely
- * as one usually does an _available() first instead of copying a
- * random size. */
- if (G_UNLIKELY (offset + size > adapter->size))
- return;
-
- skip = adapter->skip;
- for (g = adapter->buflist; g && size > 0; g = g_slist_next (g)) {
- GstBuffer *buf;
-
- buf = g->data;
- if (offset < GST_BUFFER_SIZE (buf) - skip) {
- int n;
-
- n = MIN (GST_BUFFER_SIZE (buf) - skip - offset, size);
- memcpy (dest, GST_BUFFER_DATA (buf) + skip + offset, n);
-
- dest += n;
- offset = 0;
- size -= n;
- } else {
- offset -= GST_BUFFER_SIZE (buf) - skip;
- }
- skip = 0;
- }
-}
-#endif
+++ /dev/null
-/*
- * Copyright 2007 David A. Schleef
- *
- * This comes solely from commit 1c3e012fc3e4b9aba19d44855bf8c8bf6ec44cd5
- * to gst-plugins-base.
- */
-
-#ifndef __GST_VIDEOCOMPAT_H__
-#define __GST_VIDEOCOMPAT_H__
-
-#include <gst/gst.h>
-#include <gst/video/video.h>
-#include <gst/base/gstadapter.h>
-
-/* uh, yeah */
-#if GST_VERSION_MICRO < 15
-
-G_BEGIN_DECLS
-
-typedef enum {
- GST_VIDEO_FORMAT_UNKNOWN,
- GST_VIDEO_FORMAT_I420,
- GST_VIDEO_FORMAT_YV12,
- GST_VIDEO_FORMAT_YUY2,
- GST_VIDEO_FORMAT_UYVY,
- GST_VIDEO_FORMAT_AYUV,
- GST_VIDEO_FORMAT_RGBx,
- GST_VIDEO_FORMAT_BGRx,
- GST_VIDEO_FORMAT_xRGB,
- GST_VIDEO_FORMAT_xBGR
-} GstVideoFormat;
-
-
-gboolean gst_video_format_parse_caps (GstCaps *caps, GstVideoFormat *format,
- int *width, int *height);
-gboolean gst_video_parse_caps_framerate (GstCaps *caps,
- int *fps_n, int *fps_d);
-gboolean gst_video_parse_caps_pixel_aspect_ratio (GstCaps *caps,
- int *par_n, int *par_d);
-GstCaps * gst_video_format_new_caps (GstVideoFormat format,
- int width, int height, int framerate_n, int framerate_d,
- int par_n, int par_d);
-GstVideoFormat gst_video_format_from_fourcc (guint32 fourcc);
-guint32 gst_video_format_to_fourcc (GstVideoFormat format);
-GstVideoFormat gst_video_format_from_rgb32_masks (int red_mask, int green_mask, int blue_mask);
-gboolean gst_video_format_is_rgb (GstVideoFormat format);
-gboolean gst_video_format_is_yuv (GstVideoFormat format);
-gboolean gst_video_format_has_alpha (GstVideoFormat format);
-int gst_video_format_get_row_stride (GstVideoFormat format, int component,
- int width);
-int gst_video_format_get_pixel_stride (GstVideoFormat format, int component);
-int gst_video_format_get_component_width (GstVideoFormat format, int component,
- int width);
-int gst_video_format_get_component_height (GstVideoFormat format, int component,
- int height);
-int gst_video_format_get_component_offset (GstVideoFormat format, int component,
- int width, int height);
-int gst_video_format_get_size (GstVideoFormat format, int width, int height);
-gboolean gst_video_format_convert (GstVideoFormat format, int width, int height,
- int fps_n, int fps_d,
- GstFormat src_format, gint64 src_value,
- GstFormat dest_format, gint64 * dest_value);
-
-void
-gst_adapter_copy (GstAdapter * adapter, guint8 * dest, guint offset, guint size);
-
-G_END_DECLS
-#endif
-
-#endif /* __GST_VIDEO_H__ */
-
projects / platform / upstream / gstreamer.git / commitdiff