Not so useful now that all effort is focused on AV1 instead.
Was only ever enabled with --enable-experimental anyway.
Fixes #848
AC_SUBST(WEBP_LIBS)
])
-dnl *** Daala ***
-translit(dnm, m, l) AM_CONDITIONAL(USE_DAALA, true)
-AG_GST_CHECK_FEATURE(DAALA, [daala], daala, [
- if test "x$BUILD_EXPERIMENTAL" = "xyes"; then
- PKG_CHECK_MODULES(DAALA, daalaenc daaladec, [
- HAVE_DAALA="yes"
- ], [
- HAVE_DAALA="no"
- ])
- AC_SUBST(DAALA_CFLAGS)
- AC_SUBST(DAALA_LIBS)
- fi
-])
-
dnl *** DTS ***
translit(dnm, m, l) AM_CONDITIONAL(USE_DTS, true)
AG_GST_CHECK_FEATURE(DTS, [dts library], dtsdec, [
AM_CONDITIONAL(DECKLINK_WIN, false)
AM_CONDITIONAL(USE_DIRECTFB, false)
AM_CONDITIONAL(USE_WAYLAND, false)
-AM_CONDITIONAL(USE_DAALA, false)
AM_CONDITIONAL(USE_DTS, false)
AM_CONDITIONAL(USE_EXIF, false)
AM_CONDITIONAL(USE_RESINDVD, false)
ext/dc1394/Makefile
ext/directfb/Makefile
ext/wayland/Makefile
-ext/daala/Makefile
ext/dts/Makefile
ext/faac/Makefile
ext/faad/Makefile
</ARG>
<ARG>
-<NAME>GstDaalaEnc::keyframe-rate</NAME>
-<TYPE>gint</TYPE>
-<RANGE>>= 1</RANGE>
-<FLAGS>rw</FLAGS>
-<NICK>Keyframe Rate</NICK>
-<BLURB>Keyframe Rate.</BLURB>
-<DEFAULT>1</DEFAULT>
-</ARG>
-
-<ARG>
-<NAME>GstDaalaEnc::quant</NAME>
-<TYPE>gint</TYPE>
-<RANGE>[0,511]</RANGE>
-<FLAGS>rw</FLAGS>
-<NICK>Quant</NICK>
-<BLURB>Quant.</BLURB>
-<DEFAULT>10</DEFAULT>
-</ARG>
-
-<ARG>
<NAME>ladspasrc-sin-cos-1881-so-sincos::base-frequency</NAME>
<TYPE>gfloat</TYPE>
<RANGE>[0.0441,22050]</RANGE>
GstCeltEnc GstPreset GstTagSetter
GstCompositor GstChildProxy
GstCurlHttpSrc GstURIHandler
-GstDaalaEnc GstPreset
GstDashDemux GstChildProxy
GstDfbVideoSink GstImplementsInterface GstNavigation GstColorBalance
GstDfbVideoSink GstNavigation GstColorBalance
WAYLAND_DIR=
endif
-if USE_DAALA
-DAALA_DIR=daala
-else
-DAALA_DIR=
-endif
-
if USE_DTS
DTS_DIR=dts
else
$(DC1394_DIR) \
$(DIRECTFB_DIR) \
$(WAYLAND_DIR) \
- $(DAALA_DIR) \
$(DTS_DIR) \
$(RESINDVD_DIR) \
$(GL_DIR) \
libde265 \
libmms \
lv2 \
- daala \
dts \
gl \
modplug \
+++ /dev/null
-plugin_LTLIBRARIES = libgstdaala.la
-
-noinst_HEADERS = gstdaalaenc.h \
- gstdaaladec.h
-
-libgstdaala_la_SOURCES = gstdaala.c \
- gstdaalaenc.c \
- gstdaaladec.c
-
-libgstdaala_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(GST_CFLAGS) $(DAALA_CFLAGS)
-libgstdaala_la_LIBADD = \
- $(GST_PLUGINS_BASE_LIBS) \
- -lgsttag-$(GST_API_VERSION) \
- -lgstvideo-$(GST_API_VERSION) \
- $(GST_BASE_LIBS) \
- $(GST_LIBS) \
- $(DAALA_LIBS)
-libgstdaala_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
-
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2013 Sebastian Dröge <slomo@circular-chaos.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., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <gst/gst.h>
-
-#include "gstdaalaenc.h"
-#include "gstdaaladec.h"
-
-static gboolean
-plugin_init (GstPlugin * plugin)
-{
- gst_daala_enc_register (plugin);
- gst_daala_dec_register (plugin);
-
- return TRUE;
-}
-
-GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- daala,
- "Daala plugin",
- plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2004 Benjamin Otte <in7y118@public.uni-hamburg.de>
- * Copyright (c) 2012 Collabora Ltd.
- * Author : Edward Hervey <edward@collabora.com>
- * Author : Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
- * Copyright (c) 2013 Sebastian Dröge <slomo@circular-chaos.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., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-/**
- * SECTION:element-daaladec
- * @title: daaladec
- * @see_also: daalaenc, oggdemux
- *
- * This element decodes daala streams into raw video
- * <ulink url="http://www.xiph.org/daala/">Daala</ulink> is a royalty-free
- * video codec maintained by the <ulink url="http://www.xiph.org/">Xiph.org
- * Foundation</ulink>.
- *
- * ## Example pipeline
- * |[
- * gst-launch-1.0 -v filesrc location=videotestsrc.ogg ! oggdemux ! daaladec ! xvimagesink
- * ]| This example pipeline will decode an ogg stream and decodes the daala video. Refer to
- * the daalaenc example to create the ogg file.
- *
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "gstdaaladec.h"
-#include <gst/tag/tag.h>
-#include <gst/video/video.h>
-#include <gst/video/gstvideometa.h>
-#include <gst/video/gstvideopool.h>
-
-#define GST_CAT_DEFAULT daaladec_debug
-GST_DEBUG_CATEGORY_STATIC (daaladec_debug);
-GST_DEBUG_CATEGORY_STATIC (CAT_PERFORMANCE);
-
-/* This was removed from the base class, this is used as a
- temporary return to signal the need to call _drop_frame,
- and does not leave daalaenc. */
-#define GST_CUSTOM_FLOW_DROP GST_FLOW_CUSTOM_SUCCESS_1
-
-enum
-{
- PROP_0
-};
-
-static GstStaticPadTemplate daala_dec_src_factory =
-GST_STATIC_PAD_TEMPLATE ("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("video/x-raw, "
- "format = (string) { I420, Y444 }, "
- "framerate = (fraction) [0/1, MAX], "
- "width = (int) [ 1, MAX ], " "height = (int) [ 1, MAX ]")
- );
-
-static GstStaticPadTemplate daala_dec_sink_factory =
-GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("video/x-daala")
- );
-
-#define gst_daala_dec_parent_class parent_class
-G_DEFINE_TYPE (GstDaalaDec, gst_daala_dec, GST_TYPE_VIDEO_DECODER);
-
-static gboolean daala_dec_start (GstVideoDecoder * decoder);
-static gboolean daala_dec_stop (GstVideoDecoder * decoder);
-static gboolean daala_dec_set_format (GstVideoDecoder * decoder,
- GstVideoCodecState * state);
-static GstFlowReturn daala_dec_parse (GstVideoDecoder * decoder,
- GstVideoCodecFrame * frame, GstAdapter * adapter, gboolean at_eos);
-static GstFlowReturn daala_dec_handle_frame (GstVideoDecoder * decoder,
- GstVideoCodecFrame * frame);
-static gboolean daala_dec_decide_allocation (GstVideoDecoder * decoder,
- GstQuery * query);
-
-static GstFlowReturn daala_dec_decode_buffer (GstDaalaDec * dec,
- GstBuffer * buf, GstVideoCodecFrame * frame);
-
-static void
-gst_daala_dec_class_init (GstDaalaDecClass * klass)
-{
- GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
- GstVideoDecoderClass *video_decoder_class = GST_VIDEO_DECODER_CLASS (klass);
-
- gst_element_class_add_static_pad_template (element_class,
- &daala_dec_src_factory);
- gst_element_class_add_static_pad_template (element_class,
- &daala_dec_sink_factory);
- gst_element_class_set_static_metadata (element_class, "Daala video decoder",
- "Codec/Decoder/Video", "Decode raw Daala streams to raw YUV video",
- "Sebastian Dröge <slomo@circular-chaos.org>");
-
- video_decoder_class->start = GST_DEBUG_FUNCPTR (daala_dec_start);
- video_decoder_class->stop = GST_DEBUG_FUNCPTR (daala_dec_stop);
- video_decoder_class->set_format = GST_DEBUG_FUNCPTR (daala_dec_set_format);
- video_decoder_class->parse = GST_DEBUG_FUNCPTR (daala_dec_parse);
- video_decoder_class->handle_frame =
- GST_DEBUG_FUNCPTR (daala_dec_handle_frame);
- video_decoder_class->decide_allocation =
- GST_DEBUG_FUNCPTR (daala_dec_decide_allocation);
-
- GST_DEBUG_CATEGORY_INIT (daaladec_debug, "daaladec", 0, "Daala decoder");
- GST_DEBUG_CATEGORY_GET (CAT_PERFORMANCE, "GST_PERFORMANCE");
-}
-
-static void
-gst_daala_dec_init (GstDaalaDec * dec)
-{
- /* input is packetized,
- * but is not marked that way so data gets parsed and keyframes marked */
- gst_video_decoder_set_packetized (GST_VIDEO_DECODER (dec), FALSE);
- gst_video_decoder_set_needs_format (GST_VIDEO_DECODER (dec), TRUE);
- gst_video_decoder_set_use_default_pad_acceptcaps (GST_VIDEO_DECODER_CAST
- (dec), TRUE);
- GST_PAD_SET_ACCEPT_TEMPLATE (GST_VIDEO_DECODER_SINK_PAD (dec));
-}
-
-static void
-daala_dec_reset (GstDaalaDec * dec)
-{
- dec->need_keyframe = TRUE;
-}
-
-static gboolean
-daala_dec_start (GstVideoDecoder * decoder)
-{
- GstDaalaDec *dec = GST_DAALA_DEC (decoder);
-
- GST_DEBUG_OBJECT (dec, "start");
- daala_info_clear (&dec->info);
- daala_comment_clear (&dec->comment);
- GST_DEBUG_OBJECT (dec, "Setting have_header to FALSE");
- dec->have_header = FALSE;
- daala_dec_reset (dec);
-
- return TRUE;
-}
-
-static gboolean
-daala_dec_stop (GstVideoDecoder * decoder)
-{
- GstDaalaDec *dec = GST_DAALA_DEC (decoder);
-
- GST_DEBUG_OBJECT (dec, "stop");
- daala_info_clear (&dec->info);
- daala_comment_clear (&dec->comment);
- daala_setup_free (dec->setup);
- dec->setup = NULL;
- daala_decode_free (dec->decoder);
- dec->decoder = NULL;
- daala_dec_reset (dec);
- if (dec->input_state) {
- gst_video_codec_state_unref (dec->input_state);
- dec->input_state = NULL;
- }
- if (dec->output_state) {
- gst_video_codec_state_unref (dec->output_state);
- dec->output_state = NULL;
- }
-
- return TRUE;
-}
-
-static GstFlowReturn
-daala_dec_parse (GstVideoDecoder * decoder,
- GstVideoCodecFrame * frame, GstAdapter * adapter, gboolean at_eos)
-{
- gint av;
- const guint8 *data;
-
- av = gst_adapter_available (adapter);
-
- if (av > 0) {
- data = gst_adapter_map (adapter, 1);
- /* check for keyframe; must not be header packet */
- if (!(data[0] & 0x80) && (data[0] & 0x40)) {
- GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (frame);
- }
- gst_adapter_unmap (adapter);
- }
-
- /* and pass along all */
- gst_video_decoder_add_to_frame (decoder, av);
- return gst_video_decoder_have_frame (decoder);
-}
-
-
-static gboolean
-daala_dec_set_format (GstVideoDecoder * bdec, GstVideoCodecState * state)
-{
- GstDaalaDec *dec;
-
- dec = GST_DAALA_DEC (bdec);
-
- /* Keep a copy of the input state */
- if (dec->input_state)
- gst_video_codec_state_unref (dec->input_state);
- dec->input_state = gst_video_codec_state_ref (state);
-
- /* FIXME : Interesting, we always accept any kind of caps ? */
- if (state->codec_data) {
- GstBuffer *buffer;
- GstMapInfo minfo;
- guint8 *data;
- guint size;
- guint offset;
-
- buffer = state->codec_data;
- gst_buffer_map (buffer, &minfo, GST_MAP_READ);
-
- offset = 0;
- size = minfo.size;
- data = (guint8 *) minfo.data;
-
- while (size > 2) {
- guint psize;
- GstBuffer *buf;
-
- psize = (data[0] << 8) | data[1];
- /* skip header */
- data += 2;
- size -= 2;
- offset += 2;
-
- /* make sure we don't read too much */
- psize = MIN (psize, size);
-
- buf = gst_buffer_copy_region (buffer, GST_BUFFER_COPY_ALL, offset, psize);
-
- /* first buffer is a discont buffer */
- if (offset == 2)
- GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DISCONT);
-
- /* now feed it to the decoder we can ignore the error */
- daala_dec_decode_buffer (dec, buf, NULL);
- gst_buffer_unref (buf);
-
- /* skip the data */
- size -= psize;
- data += psize;
- offset += psize;
- }
-
- gst_buffer_unmap (buffer, &minfo);
- }
-
- GST_DEBUG_OBJECT (dec, "Done");
-
- return TRUE;
-}
-
-static GstFlowReturn
-daala_handle_comment_packet (GstDaalaDec * dec, ogg_packet * packet)
-{
- gchar *encoder = NULL;
- GstTagList *list;
-
- GST_DEBUG_OBJECT (dec, "parsing comment packet");
-
- list =
- gst_tag_list_from_vorbiscomment (packet->packet, packet->bytes,
- (guint8 *) "\201daala", 6, &encoder);
-
- if (!list) {
- GST_ERROR_OBJECT (dec, "couldn't decode comments");
- list = gst_tag_list_new_empty ();
- }
- if (encoder) {
- gst_tag_list_add (list, GST_TAG_MERGE_REPLACE,
- GST_TAG_ENCODER, encoder, NULL);
- g_free (encoder);
- }
- gst_tag_list_add (list, GST_TAG_MERGE_REPLACE,
- GST_TAG_ENCODER_VERSION, dec->info.version_major,
- GST_TAG_VIDEO_CODEC, "Daala", NULL);
-
- gst_video_decoder_merge_tags (GST_VIDEO_DECODER (dec),
- list, GST_TAG_MERGE_REPLACE);
-
- gst_tag_list_unref (list);
-
- return GST_FLOW_OK;
-}
-
-static GstFlowReturn
-daala_handle_type_packet (GstDaalaDec * dec)
-{
- gint par_num, par_den;
- GstFlowReturn ret = GST_FLOW_OK;
- GstVideoCodecState *state;
- GstVideoFormat fmt;
- GstVideoInfo *info;
-
- if (!dec->input_state)
- return GST_FLOW_NOT_NEGOTIATED;
-
- info = &dec->input_state->info;
-
- GST_DEBUG_OBJECT (dec, "fps %d/%d, PAR %d/%d",
- dec->info.timebase_numerator, dec->info.timebase_denominator,
- dec->info.pixel_aspect_numerator, dec->info.pixel_aspect_denominator);
-
- /* calculate par
- * the info.aspect_* values reflect PAR;
- * 0:x and x:0 are allowed and can be interpreted as 1:1.
- */
- par_num = GST_VIDEO_INFO_PAR_N (info);
- par_den = GST_VIDEO_INFO_PAR_D (info);
-
- /* If we have a default PAR, see if the decoder specified a different one */
- if (par_num == 1 && par_den == 1 &&
- (dec->info.pixel_aspect_numerator != 0
- && dec->info.pixel_aspect_denominator != 0)) {
- par_num = dec->info.pixel_aspect_numerator;
- par_den = dec->info.pixel_aspect_denominator;
- }
- /* daala has:
- *
- * width/height : dimension of the encoded frame
- * pic_width/pic_height : dimension of the visible part
- * pic_x/pic_y : offset in encoded frame where visible part starts
- */
- GST_DEBUG_OBJECT (dec, "dimension %dx%d, PAR %d/%d", dec->info.pic_width,
- dec->info.pic_height, par_num, par_den);
-
- if (dec->info.nplanes == 3 && dec->info.plane_info[0].xdec == 0 &&
- dec->info.plane_info[0].ydec == 0 &&
- dec->info.plane_info[1].xdec == 1 &&
- dec->info.plane_info[1].ydec == 1 &&
- dec->info.plane_info[2].xdec == 1 && dec->info.plane_info[2].ydec == 1) {
- fmt = GST_VIDEO_FORMAT_I420;
- } else if (dec->info.nplanes == 3 && dec->info.plane_info[0].xdec == 0 &&
- dec->info.plane_info[0].ydec == 0 &&
- dec->info.plane_info[1].xdec == 0 &&
- dec->info.plane_info[1].ydec == 0 &&
- dec->info.plane_info[2].xdec == 0 && dec->info.plane_info[2].ydec == 0) {
- fmt = GST_VIDEO_FORMAT_Y444;
- } else {
- goto unsupported_format;
- }
-
- GST_VIDEO_INFO_WIDTH (info) = dec->info.pic_width;
- GST_VIDEO_INFO_HEIGHT (info) = dec->info.pic_height;
-
- /* done */
- dec->decoder = daala_decode_alloc (&dec->info, dec->setup);
-
- /* Create the output state */
- dec->output_state = state =
- gst_video_decoder_set_output_state (GST_VIDEO_DECODER (dec), fmt,
- info->width, info->height, dec->input_state);
-
- /* FIXME : Do we still need to set fps/par now that we pass the reference input stream ? */
- state->info.fps_n = dec->info.timebase_numerator;
- state->info.fps_d = dec->info.timebase_denominator;
- state->info.par_n = par_num;
- state->info.par_d = par_den;
-
- gst_video_decoder_negotiate (GST_VIDEO_DECODER (dec));
-
- dec->have_header = TRUE;
-
- return ret;
-
- /* ERRORS */
-unsupported_format:
- {
- GST_ERROR_OBJECT (dec, "Invalid pixel format");
- return GST_FLOW_ERROR;
- }
-}
-
-static GstFlowReturn
-daala_handle_header_packet (GstDaalaDec * dec, ogg_packet * packet)
-{
- GstFlowReturn res;
- int ret;
-
- GST_DEBUG_OBJECT (dec, "parsing header packet");
-
- ret = daala_decode_header_in (&dec->info, &dec->comment, &dec->setup, packet);
- if (ret < 0)
- goto header_read_error;
-
- switch (packet->packet[0]) {
- case 0x81:
- res = daala_handle_comment_packet (dec, packet);
- break;
- case 0x82:
- res = daala_handle_type_packet (dec);
- break;
- default:
- /* ignore */
- g_warning ("unknown daala header packet found");
- case 0x80:
- /* nothing special, this is the identification header */
- res = GST_FLOW_OK;
- break;
- }
- return res;
-
- /* ERRORS */
-header_read_error:
- {
- GST_ELEMENT_ERROR (GST_ELEMENT (dec), STREAM, DECODE,
- (NULL), ("couldn't read header packet"));
- return GST_FLOW_ERROR;
- }
-}
-
-/* Allocate buffer and copy image data into Y444 format */
-static GstFlowReturn
-daala_handle_image (GstDaalaDec * dec, od_img * img, GstVideoCodecFrame * frame)
-{
- GstVideoDecoder *decoder = GST_VIDEO_DECODER (dec);
- gint width, height, stride;
- GstFlowReturn result;
- gint i, comp;
- guint8 *dest, *src;
- GstVideoFrame vframe;
-
- result = gst_video_decoder_allocate_output_frame (decoder, frame);
-
- if (G_UNLIKELY (result != GST_FLOW_OK)) {
- GST_DEBUG_OBJECT (dec, "could not get buffer, reason: %s",
- gst_flow_get_name (result));
- return result;
- }
-
- /* if only libdaala would allow us to give it a destination frame */
- GST_CAT_TRACE_OBJECT (CAT_PERFORMANCE, dec,
- "doing unavoidable video frame copy");
-
- if (G_UNLIKELY (!gst_video_frame_map (&vframe, &dec->output_state->info,
- frame->output_buffer, GST_MAP_WRITE)))
- goto invalid_frame;
-
- for (comp = 0; comp < 3; comp++) {
- width = GST_VIDEO_FRAME_COMP_WIDTH (&vframe, comp);
- height = GST_VIDEO_FRAME_COMP_HEIGHT (&vframe, comp);
- stride = GST_VIDEO_FRAME_COMP_STRIDE (&vframe, comp);
- dest = GST_VIDEO_FRAME_COMP_DATA (&vframe, comp);
-
- src = img->planes[comp].data;
-
- for (i = 0; i < height; i++) {
- memcpy (dest, src, width);
-
- dest += stride;
- src += img->planes[comp].ystride;
- }
- }
- gst_video_frame_unmap (&vframe);
-
- return GST_FLOW_OK;
-invalid_frame:
- {
- GST_DEBUG_OBJECT (dec, "could not map video frame");
- return GST_FLOW_ERROR;
- }
-}
-
-static GstFlowReturn
-daala_handle_data_packet (GstDaalaDec * dec, ogg_packet * packet,
- GstVideoCodecFrame * frame)
-{
- /* normal data packet */
- od_img img;
- gboolean keyframe;
- GstFlowReturn result;
-
- if (G_UNLIKELY (!dec->have_header))
- goto not_initialized;
-
- /* the second most significant bit of the first data byte is cleared
- * for keyframes. We can only check it if it's not a zero-length packet. */
- keyframe = packet->bytes && ((packet->packet[0] & 0x40));
- if (G_UNLIKELY (keyframe)) {
- GST_DEBUG_OBJECT (dec, "we have a keyframe");
- dec->need_keyframe = FALSE;
- } else if (G_UNLIKELY (dec->need_keyframe)) {
- goto dropping;
- }
-
- GST_DEBUG_OBJECT (dec, "parsing data packet");
-
- /* this does the decoding */
- if (G_UNLIKELY (daala_decode_packet_in (dec->decoder, &img, packet) < 0))
- goto decode_error;
-
- if (frame &&
- (gst_video_decoder_get_max_decode_time (GST_VIDEO_DECODER (dec),
- frame) < 0))
- goto dropping_qos;
-
- if (G_UNLIKELY ((img.width != dec->info.pic_width
- || img.height != dec->info.pic_height)))
- goto wrong_dimensions;
-
- result = daala_handle_image (dec, &img, frame);
-
- return result;
-
- /* ERRORS */
-not_initialized:
- {
- GST_ELEMENT_ERROR (GST_ELEMENT (dec), STREAM, DECODE,
- (NULL), ("no header sent yet"));
- return GST_FLOW_ERROR;
- }
-dropping:
- {
- GST_WARNING_OBJECT (dec, "dropping frame because we need a keyframe");
- return GST_CUSTOM_FLOW_DROP;
- }
-dropping_qos:
- {
- GST_WARNING_OBJECT (dec, "dropping frame because of QoS");
- return GST_CUSTOM_FLOW_DROP;
- }
-decode_error:
- {
- GST_ELEMENT_ERROR (GST_ELEMENT (dec), STREAM, DECODE,
- (NULL), ("daala decoder did not decode data packet"));
- return GST_FLOW_ERROR;
- }
-wrong_dimensions:
- {
- GST_ELEMENT_ERROR (GST_ELEMENT (dec), STREAM, FORMAT,
- (NULL), ("dimensions of image do not match header"));
- return GST_FLOW_ERROR;
- }
-}
-
-static GstFlowReturn
-daala_dec_decode_buffer (GstDaalaDec * dec, GstBuffer * buf,
- GstVideoCodecFrame * frame)
-{
- ogg_packet packet;
- GstFlowReturn result = GST_FLOW_OK;
- GstMapInfo minfo;
-
- /* make ogg_packet out of the buffer */
- gst_buffer_map (buf, &minfo, GST_MAP_READ);
- packet.packet = minfo.data;
- packet.bytes = minfo.size;
- packet.granulepos = -1;
- packet.packetno = 0; /* we don't really care */
- packet.b_o_s = dec->have_header ? 0 : 1;
- /* EOS does not matter for the decoder */
- packet.e_o_s = 0;
-
- GST_LOG_OBJECT (dec, "decode buffer of size %ld", packet.bytes);
-
- GST_DEBUG_OBJECT (dec, "header=%02x", packet.bytes ? packet.packet[0] : -1);
-
- /* switch depending on packet type. A zero byte packet is always a data
- * packet; we don't dereference it in that case. */
- if (packet.bytes && packet.packet[0] & 0x80) {
- if (dec->have_header) {
- GST_WARNING_OBJECT (GST_OBJECT (dec), "Ignoring header");
- GST_VIDEO_CODEC_FRAME_FLAG_SET (frame,
- GST_VIDEO_CODEC_FRAME_FLAG_DECODE_ONLY);
- result = GST_CUSTOM_FLOW_DROP;
- goto done;
- }
- result = daala_handle_header_packet (dec, &packet);
- /* header packets are not meant to be displayed */
- /* FIXME : This is a temporary hack. The proper fix would be to
- * not call _finish_frame() for these types of packets */
- GST_VIDEO_CODEC_FRAME_FLAG_SET (frame,
- GST_VIDEO_CODEC_FRAME_FLAG_DECODE_ONLY);
- } else {
- result = daala_handle_data_packet (dec, &packet, frame);
- }
-
-done:
- gst_buffer_unmap (buf, &minfo);
-
- return result;
-}
-
-static GstFlowReturn
-daala_dec_handle_frame (GstVideoDecoder * bdec, GstVideoCodecFrame * frame)
-{
- GstDaalaDec *dec;
- GstFlowReturn res;
-
- dec = GST_DAALA_DEC (bdec);
-
- res = daala_dec_decode_buffer (dec, frame->input_buffer, frame);
- switch (res) {
- case GST_FLOW_OK:
- res = gst_video_decoder_finish_frame (bdec, frame);
- break;
- case GST_CUSTOM_FLOW_DROP:
- res = gst_video_decoder_drop_frame (bdec, frame);
- break;
- default:
- gst_video_codec_frame_unref (frame);
- break;
- }
-
- return res;
-}
-
-static gboolean
-daala_dec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
-{
- GstBufferPool *pool;
- GstStructure *config;
-
- if (!GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation (decoder,
- query))
- return FALSE;
-
- g_assert (gst_query_get_n_allocation_pools (query) > 0);
- gst_query_parse_nth_allocation_pool (query, 0, &pool, NULL, NULL, NULL);
- g_assert (pool != NULL);
-
- config = gst_buffer_pool_get_config (pool);
- if (gst_query_find_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL)) {
- gst_buffer_pool_config_add_option (config,
- GST_BUFFER_POOL_OPTION_VIDEO_META);
- }
- gst_buffer_pool_set_config (pool, config);
- gst_object_unref (pool);
-
- return TRUE;
-}
-
-gboolean
-gst_daala_dec_register (GstPlugin * plugin)
-{
- return gst_element_register (plugin, "daaladec",
- GST_RANK_PRIMARY, GST_TYPE_DAALA_DEC);
-}
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2004 Benjamin Otte <in7y118@public.uni-hamburg.de>
- * Copyright (c) 2012 Collabora Ltd.
- * Author : Edward Hervey <edward@collabora.com>
- * Author : Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
- * Copyright (c) 2013 Sebastian Dröge <slomo@circular-chaos.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., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifndef __GST_DAALADEC_H__
-#define __GST_DAALADEC_H__
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <gst/gst.h>
-#include <gst/video/gstvideodecoder.h>
-#include <daala/daaladec.h>
-#include <string.h>
-
-G_BEGIN_DECLS
-
-#define GST_TYPE_DAALA_DEC \
- (gst_daala_dec_get_type())
-#define GST_DAALA_DEC(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DAALA_DEC,GstDaalaDec))
-#define GST_DAALA_DEC_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DAALA_DEC,GstDaalaDecClass))
-#define GST_IS_DAALA_DEC(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DAALA_DEC))
-#define GST_IS_DAALA_DEC_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DAALA_DEC))
-
-typedef struct _GstDaalaDec GstDaalaDec;
-typedef struct _GstDaalaDecClass GstDaalaDecClass;
-
-/**
- * GstDaalaDec:
- *
- * Opaque object data structure.
- */
-struct _GstDaalaDec
-{
- GstVideoDecoder element;
-
- /* daala decoder state */
- daala_dec_ctx *decoder;
- daala_setup_info *setup;
- daala_info info;
- daala_comment comment;
-
- gboolean have_header;
-
- gboolean need_keyframe;
- GstVideoCodecState *input_state;
- GstVideoCodecState *output_state;
-};
-
-struct _GstDaalaDecClass
-{
- GstVideoDecoderClass parent_class;
-};
-
-GType gst_daala_dec_get_type (void);
-gboolean gst_daala_dec_register (GstPlugin * plugin);
-
-G_END_DECLS
-
-#endif /* __GST_DAALADEC_H__ */
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2004 Wim Taymans <wim@fluendo.com>
- * Copyright (c) 2012 Collabora Ltd.
- * Author : Edward Hervey <edward@collabora.com>
- * Author : Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
- * Copyright (c) 2013 Sebastian Dröge <slomo@circular-chaos.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., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-/**
- * SECTION:element-daalaenc
- * @title: daalaenc
- * @see_also: daaladec, oggmux
- *
- * This element encodes raw video into a Daala stream.
- * <ulink url="http://www.xiph.org/daala/">Daala</ulink> is a royalty-free
- * video codec maintained by the <ulink url="http://www.xiph.org/">Xiph.org
- * Foundation</ulink>.
- *
- * ## Example pipeline
- * |[
- * gst-launch-1.0 -v videotestsrc num-buffers=1000 ! daalaenc ! oggmux ! filesink location=videotestsrc.ogg
- * ]| This example pipeline will encode a test video source to daala muxed in an
- * ogg container. Refer to the daaladec documentation to decode the create
- * stream.
- *
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <string.h>
-#include <stdlib.h> /* free */
-
-#include <gst/tag/tag.h>
-#include <gst/video/video.h>
-#include <gst/video/gstvideometa.h>
-
-#include "gstdaalaenc.h"
-
-#define GST_CAT_DEFAULT daalaenc_debug
-GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
-
-enum
-{
- PROP_0,
- PROP_QUANT,
- PROP_KEYFRAME_RATE
-};
-
-#define DEFAULT_QUANT 10
-#define DEFAULT_KEYFRAME_RATE 1
-
-static GstStaticPadTemplate daala_enc_sink_factory =
-GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ I420, Y444 }"))
- );
-
-static GstStaticPadTemplate daala_enc_src_factory =
-GST_STATIC_PAD_TEMPLATE ("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("video/x-daala, "
- "framerate = (fraction) [1/MAX, MAX], "
- "width = (int) [ 1, MAX ], " "height = (int) [ 1, MAX ]")
- );
-
-static GstCaps *daala_supported_caps = NULL;
-
-#define gst_daala_enc_parent_class parent_class
-G_DEFINE_TYPE (GstDaalaEnc, gst_daala_enc, GST_TYPE_VIDEO_ENCODER);
-
-static gboolean daala_enc_start (GstVideoEncoder * enc);
-static gboolean daala_enc_stop (GstVideoEncoder * enc);
-static gboolean daala_enc_flush (GstVideoEncoder * enc);
-static gboolean daala_enc_set_format (GstVideoEncoder * enc,
- GstVideoCodecState * state);
-static GstFlowReturn daala_enc_handle_frame (GstVideoEncoder * enc,
- GstVideoCodecFrame * frame);
-static GstFlowReturn daala_enc_pre_push (GstVideoEncoder * benc,
- GstVideoCodecFrame * frame);
-static GstFlowReturn daala_enc_finish (GstVideoEncoder * enc);
-static gboolean daala_enc_propose_allocation (GstVideoEncoder * encoder,
- GstQuery * query);
-static gboolean gst_daala_enc_sink_query (GstVideoEncoder * encoder,
- GstQuery * query);
-
-static GstCaps *daala_enc_getcaps (GstVideoEncoder * encoder, GstCaps * filter);
-static void daala_enc_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec);
-static void daala_enc_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec);
-static void daala_enc_finalize (GObject * object);
-
-static char *
-daala_enc_get_supported_formats (void)
-{
- daala_enc_ctx *encoder;
- daala_info info;
- struct
- {
- GstVideoFormat fmt;
- gint planes;
- gint xdec[3], ydec[3];
- } formats[] = {
- {
- GST_VIDEO_FORMAT_Y444, 3, {
- 0, 0, 0}, {
- 0, 0, 0}}, {
- GST_VIDEO_FORMAT_I420, 3, {
- 0, 1, 1}, {
- 0, 1, 1}}
- };
- GString *string = NULL;
- guint i;
-
- daala_info_init (&info);
- info.pic_width = 16;
- info.pic_height = 16;
- info.timebase_numerator = 25;
- info.timebase_denominator = 1;
- info.frame_duration = 1;
- for (i = 0; i < G_N_ELEMENTS (formats); i++) {
- gint j;
-
- info.nplanes = formats[i].planes;
- for (j = 0; j < formats[i].planes; j++) {
- info.plane_info[j].xdec = formats[i].xdec[j];
- info.plane_info[j].ydec = formats[i].ydec[j];
- }
-
- encoder = daala_encode_create (&info);
- if (encoder == NULL)
- continue;
-
- GST_LOG ("format %s is supported",
- gst_video_format_to_string (formats[i].fmt));
- daala_encode_free (encoder);
-
- if (string == NULL) {
- string = g_string_new (gst_video_format_to_string (formats[i].fmt));
- } else {
- g_string_append (string, ", ");
- g_string_append (string, gst_video_format_to_string (formats[i].fmt));
- }
- }
- daala_info_clear (&info);
-
- return string == NULL ? NULL : g_string_free (string, FALSE);
-}
-
-static void
-initialize_supported_caps (void)
-{
- char *supported_formats, *caps_string;
-
- supported_formats = daala_enc_get_supported_formats ();
- if (!supported_formats) {
- GST_WARNING ("no supported formats found. Encoder disabled?");
- daala_supported_caps = gst_caps_new_empty ();
- }
-
- caps_string = g_strdup_printf ("video/x-raw, "
- "format = (string) { %s }, "
- "framerate = (fraction) [1/MAX, MAX], "
- "width = (int) [ 1, MAX ], " "height = (int) [ 1, MAX ]",
- supported_formats);
- daala_supported_caps = gst_caps_from_string (caps_string);
- g_free (caps_string);
- g_free (supported_formats);
- GST_DEBUG ("Supported caps: %" GST_PTR_FORMAT, daala_supported_caps);
-}
-
-static void
-gst_daala_enc_class_init (GstDaalaEncClass * klass)
-{
- GObjectClass *gobject_class = (GObjectClass *) klass;
- GstElementClass *element_class = (GstElementClass *) klass;
- GstVideoEncoderClass *gstvideo_encoder_class =
- GST_VIDEO_ENCODER_CLASS (klass);
-
- GST_DEBUG_CATEGORY_INIT (daalaenc_debug, "daalaenc", 0, "Daala encoder");
-
- gobject_class->set_property = daala_enc_set_property;
- gobject_class->get_property = daala_enc_get_property;
- gobject_class->finalize = daala_enc_finalize;
-
- g_object_class_install_property (gobject_class, PROP_QUANT,
- g_param_spec_int ("quant", "Quant", "Quant",
- 0, 511, DEFAULT_QUANT,
- (GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
-
- g_object_class_install_property (gobject_class, PROP_KEYFRAME_RATE,
- g_param_spec_int ("keyframe-rate", "Keyframe Rate", "Keyframe Rate",
- 1, G_MAXINT, DEFAULT_KEYFRAME_RATE,
- (GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
-
- gst_element_class_add_static_pad_template (element_class,
- &daala_enc_src_factory);
- gst_element_class_add_static_pad_template (element_class,
- &daala_enc_sink_factory);
- gst_element_class_set_static_metadata (element_class, "Daala video encoder",
- "Codec/Encoder/Video", "Encode raw YUV video to a Daala stream",
- "Sebastian Dröge <slomo@circular-chaos.org>");
-
- gstvideo_encoder_class->start = GST_DEBUG_FUNCPTR (daala_enc_start);
- gstvideo_encoder_class->stop = GST_DEBUG_FUNCPTR (daala_enc_stop);
- gstvideo_encoder_class->flush = GST_DEBUG_FUNCPTR (daala_enc_flush);
- gstvideo_encoder_class->set_format = GST_DEBUG_FUNCPTR (daala_enc_set_format);
- gstvideo_encoder_class->handle_frame =
- GST_DEBUG_FUNCPTR (daala_enc_handle_frame);
- gstvideo_encoder_class->pre_push = GST_DEBUG_FUNCPTR (daala_enc_pre_push);
- gstvideo_encoder_class->finish = GST_DEBUG_FUNCPTR (daala_enc_finish);
- gstvideo_encoder_class->getcaps = GST_DEBUG_FUNCPTR (daala_enc_getcaps);
- gstvideo_encoder_class->sink_query =
- GST_DEBUG_FUNCPTR (gst_daala_enc_sink_query);
- gstvideo_encoder_class->propose_allocation =
- GST_DEBUG_FUNCPTR (daala_enc_propose_allocation);
-
- initialize_supported_caps ();
-}
-
-static void
-gst_daala_enc_init (GstDaalaEnc * enc)
-{
- enc->quant = DEFAULT_QUANT;
- enc->keyframe_rate = DEFAULT_KEYFRAME_RATE;
-}
-
-static void
-daala_enc_finalize (GObject * object)
-{
- GstDaalaEnc *enc = GST_DAALA_ENC (object);
-
- GST_DEBUG_OBJECT (enc, "Finalizing");
- if (enc->encoder)
- daala_encode_free (enc->encoder);
- daala_comment_clear (&enc->comment);
- daala_info_clear (&enc->info);
-
- if (enc->input_state)
- gst_video_codec_state_unref (enc->input_state);
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static gboolean
-daala_enc_flush (GstVideoEncoder * benc)
-{
- GstDaalaEnc *enc = GST_DAALA_ENC (benc);
- int quant;
-
- GST_OBJECT_LOCK (enc);
- quant = enc->quant;
- enc->quant_changed = FALSE;
- enc->info.keyframe_rate = enc->keyframe_rate;
- enc->keyframe_rate_changed = FALSE;
- GST_OBJECT_UNLOCK (enc);
-
- if (enc->encoder)
- daala_encode_free (enc->encoder);
- enc->encoder = daala_encode_create (&enc->info);
-
- daala_encode_ctl (enc->encoder, OD_SET_QUANT, &quant, sizeof (int));
-
- return TRUE;
-}
-
-static gboolean
-daala_enc_start (GstVideoEncoder * benc)
-{
- GstDaalaEnc *enc;
-
- GST_DEBUG_OBJECT (benc, "start: init daala");
- enc = GST_DAALA_ENC (benc);
-
- enc->packetno = 0;
- enc->initialised = FALSE;
-
- return TRUE;
-}
-
-static gboolean
-daala_enc_stop (GstVideoEncoder * benc)
-{
- GstDaalaEnc *enc;
-
- GST_DEBUG_OBJECT (benc, "stop: clearing daala state");
- enc = GST_DAALA_ENC (benc);
-
- if (enc->encoder) {
- daala_encode_free (enc->encoder);
- enc->encoder = NULL;
- }
- daala_comment_clear (&enc->comment);
- daala_info_clear (&enc->info);
-
- if (enc->input_state)
- gst_video_codec_state_unref (enc->input_state);
- enc->input_state = NULL;
-
- enc->initialised = FALSE;
-
- return TRUE;
-}
-
-static gboolean
-gst_daala_enc_sink_query (GstVideoEncoder * encoder, GstQuery * query)
-{
- gboolean res;
-
- switch (GST_QUERY_TYPE (query)) {
- case GST_QUERY_ACCEPT_CAPS:{
- GstCaps *caps;
-
- gst_query_parse_accept_caps (query, &caps);
-
- gst_query_set_accept_caps_result (query,
- gst_caps_is_subset (caps, daala_supported_caps));
- res = TRUE;
- }
- break;
- default:
- res = GST_VIDEO_ENCODER_CLASS (parent_class)->sink_query (encoder, query);
- break;
- }
-
- return res;
-}
-
-static GstCaps *
-daala_enc_getcaps (GstVideoEncoder * encoder, GstCaps * filter)
-{
- return gst_video_encoder_proxy_getcaps (encoder, daala_supported_caps,
- filter);
-}
-
-static gboolean
-daala_enc_set_format (GstVideoEncoder * benc, GstVideoCodecState * state)
-{
- GstDaalaEnc *enc = GST_DAALA_ENC (benc);
- GstVideoInfo *info = &state->info;
-
- daala_info_clear (&enc->info);
- daala_info_init (&enc->info);
- enc->info.pic_width = GST_VIDEO_INFO_WIDTH (info);
- enc->info.pic_height = GST_VIDEO_INFO_HEIGHT (info);
- switch (GST_VIDEO_INFO_FORMAT (info)) {
- case GST_VIDEO_FORMAT_I420:
- enc->info.nplanes = 3;
- enc->info.plane_info[0].xdec = 0;
- enc->info.plane_info[0].ydec = 0;
- enc->info.plane_info[1].xdec = 1;
- enc->info.plane_info[1].ydec = 1;
- enc->info.plane_info[2].xdec = 1;
- enc->info.plane_info[2].ydec = 1;
- break;
- case GST_VIDEO_FORMAT_Y444:
- enc->info.nplanes = 3;
- enc->info.plane_info[0].xdec = 0;
- enc->info.plane_info[0].ydec = 0;
- enc->info.plane_info[1].xdec = 0;
- enc->info.plane_info[1].ydec = 0;
- enc->info.plane_info[2].xdec = 0;
- enc->info.plane_info[2].ydec = 0;
- break;
- default:
- g_assert_not_reached ();
- }
-
- enc->info.timebase_numerator = GST_VIDEO_INFO_FPS_N (info);
- enc->info.timebase_denominator = GST_VIDEO_INFO_FPS_D (info);
- enc->info.frame_duration = 1;
- enc->info.pixel_aspect_numerator = GST_VIDEO_INFO_PAR_N (info);
- enc->info.pixel_aspect_denominator = GST_VIDEO_INFO_PAR_D (info);
-
- /* Save input state */
- if (enc->input_state)
- gst_video_codec_state_unref (enc->input_state);
- enc->input_state = gst_video_codec_state_ref (state);
-
- daala_enc_flush (benc);
- enc->initialised = TRUE;
-
- return TRUE;
-}
-
-/* this function does a straight granulepos -> timestamp conversion */
-static GstClockTime
-granulepos_to_timestamp (GstDaalaEnc * enc, ogg_int64_t granulepos)
-{
- guint64 iframe, pframe;
- int shift = enc->info.keyframe_granule_shift;
-
- if (granulepos < 0)
- return GST_CLOCK_TIME_NONE;
-
- iframe = granulepos >> shift;
- pframe = granulepos - (iframe << shift);
-
- /* num and den are 32 bit, so we can safely multiply with GST_SECOND */
- return gst_util_uint64_scale ((guint64) (iframe + pframe),
- GST_SECOND * enc->info.timebase_denominator,
- enc->info.timebase_numerator);
-}
-
-static GstFlowReturn
-daala_enc_pre_push (GstVideoEncoder * benc, GstVideoCodecFrame * frame)
-{
- GstDaalaEnc *enc = GST_DAALA_ENC (benc);
- guint64 pfn;
-
- /* see ext/ogg/README; OFFSET_END takes "our" granulepos, OFFSET its
- * time representation */
- /* granulepos from sync frame */
- pfn = frame->presentation_frame_number - frame->distance_from_sync;
- /* correct to correspond to linear running time */
- pfn -= enc->pfn_offset;
- pfn += enc->granulepos_offset + 1;
- /* granulepos */
- GST_BUFFER_OFFSET_END (frame->output_buffer) =
- (pfn << enc->info.keyframe_granule_shift) + frame->distance_from_sync;
- GST_BUFFER_OFFSET (frame->output_buffer) = granulepos_to_timestamp (enc,
- GST_BUFFER_OFFSET_END (frame->output_buffer));
-
- return GST_FLOW_OK;
-}
-
-static GstFlowReturn
-daala_push_packet (GstDaalaEnc * enc, ogg_packet * packet)
-{
- GstVideoEncoder *benc;
- GstFlowReturn ret;
- GstVideoCodecFrame *frame;
-
- benc = GST_VIDEO_ENCODER (enc);
-
- frame = gst_video_encoder_get_oldest_frame (benc);
- if (gst_video_encoder_allocate_output_frame (benc, frame,
- packet->bytes) != GST_FLOW_OK) {
- GST_WARNING_OBJECT (enc, "Could not allocate buffer");
- gst_video_codec_frame_unref (frame);
- ret = GST_FLOW_ERROR;
- goto done;
- }
-
- if (packet->bytes > 0)
- gst_buffer_fill (frame->output_buffer, 0, packet->packet, packet->bytes);
-
- /* the second most significant bit of the first data byte is cleared
- * for keyframes */
- if (packet->bytes > 0 && (packet->packet[0] & 0x40) == 0) {
- GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (frame);
- } else {
- GST_VIDEO_CODEC_FRAME_UNSET_SYNC_POINT (frame);
- }
- enc->packetno++;
-
- ret = gst_video_encoder_finish_frame (benc, frame);
-
-done:
- return ret;
-}
-
-static GstCaps *
-daala_set_header_on_caps (GstCaps * caps, GList * buffers)
-{
- GstStructure *structure;
- GValue array = { 0 };
- GValue value = { 0 };
- GstBuffer *buffer;
- GList *walk;
-
- caps = gst_caps_make_writable (caps);
- structure = gst_caps_get_structure (caps, 0);
-
- /* put copies of the buffers in a fixed list */
- g_value_init (&array, GST_TYPE_ARRAY);
-
- for (walk = buffers; walk; walk = walk->next) {
- buffer = walk->data;
- g_value_init (&value, GST_TYPE_BUFFER);
- gst_value_set_buffer (&value, buffer);
- gst_value_array_append_value (&array, &value);
- g_value_unset (&value);
- }
-
- gst_structure_take_value (structure, "streamheader", &array);
-
- return caps;
-}
-
-static void
-daala_enc_init_buffer (GstDaalaEnc * enc, od_img * buf, GstVideoFrame * frame)
-{
- guint i;
-
- buf->nplanes = 3;
- buf->width = GST_VIDEO_FRAME_WIDTH (frame);
- buf->height = GST_VIDEO_FRAME_HEIGHT (frame);
-
- for (i = 0; i < 3; i++) {
- buf->planes[i].data = GST_VIDEO_FRAME_COMP_DATA (frame, i);
- buf->planes[i].xdec = enc->info.plane_info[i].xdec;
- buf->planes[i].ydec = enc->info.plane_info[i].ydec;
- buf->planes[i].xstride = 1;
- buf->planes[i].ystride = GST_VIDEO_FRAME_COMP_STRIDE (frame, i);
- }
-}
-
-static void
-daala_enc_reset_ts (GstDaalaEnc * enc, GstClockTime running_time, gint pfn)
-{
- enc->granulepos_offset =
- gst_util_uint64_scale (running_time, enc->input_state->info.fps_n,
- GST_SECOND * enc->input_state->info.fps_d);
- enc->timestamp_offset = running_time;
- enc->pfn_offset = pfn;
-}
-
-static GstBuffer *
-daala_enc_buffer_from_header_packet (GstDaalaEnc * enc, ogg_packet * packet)
-{
- GstBuffer *outbuf;
-
- outbuf =
- gst_video_encoder_allocate_output_buffer (GST_VIDEO_ENCODER (enc),
- packet->bytes);
- gst_buffer_fill (outbuf, 0, packet->packet, packet->bytes);
- GST_BUFFER_OFFSET (outbuf) = 0;
- GST_BUFFER_OFFSET_END (outbuf) = 0;
- GST_BUFFER_TIMESTAMP (outbuf) = GST_CLOCK_TIME_NONE;
- GST_BUFFER_DURATION (outbuf) = GST_CLOCK_TIME_NONE;
- GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_HEADER);
-
- GST_DEBUG ("created header packet buffer, %u bytes",
- (guint) gst_buffer_get_size (outbuf));
- return outbuf;
-}
-
-static GstFlowReturn
-daala_enc_handle_frame (GstVideoEncoder * benc, GstVideoCodecFrame * frame)
-{
- GstDaalaEnc *enc;
- ogg_packet op;
- GstClockTime timestamp, running_time;
- GstFlowReturn ret;
- gboolean force_keyframe;
-
- enc = GST_DAALA_ENC (benc);
-
- /* we keep track of two timelines.
- * - The timestamps from the incoming buffers, which we copy to the outgoing
- * encoded buffers as-is. We need to do this as we simply forward the
- * newsegment events.
- * - The running_time of the buffers, which we use to construct the granulepos
- * in the packets.
- */
- timestamp = frame->pts;
-
- /* incoming buffers are clipped, so this should be positive */
- running_time =
- gst_segment_to_running_time (&GST_VIDEO_ENCODER_INPUT_SEGMENT (enc),
- GST_FORMAT_TIME, timestamp);
- g_return_val_if_fail (running_time >= 0 || timestamp < 0, GST_FLOW_ERROR);
-
- GST_OBJECT_LOCK (enc);
- if (enc->quant_changed) {
- int quant = enc->quant;
-
- daala_encode_ctl (enc->encoder, OD_SET_QUANT, &quant, sizeof (int));
- enc->quant_changed = FALSE;
- }
-
- /* see if we need to schedule a keyframe */
- force_keyframe = GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME (frame);
- GST_OBJECT_UNLOCK (enc);
-
- if (enc->packetno == 0) {
- /* no packets written yet, setup headers */
- GstCaps *caps;
- GstBuffer *buf;
- GList *buffers = NULL;
- int result;
- GstVideoCodecState *state;
-
- enc->granulepos_offset = 0;
- enc->timestamp_offset = 0;
-
- GST_DEBUG_OBJECT (enc, "output headers");
- /* Daala streams begin with three headers; the initial header (with
- most of the codec setup parameters) which is mandated by the Ogg
- bitstream spec. The second header holds any comment fields. The
- third header holds the bitstream codebook. We merely need to
- make the headers, then pass them to libdaala one at a time;
- libdaala handles the additional Ogg bitstream constraints */
-
- /* create the remaining daala headers */
- daala_comment_clear (&enc->comment);
- daala_comment_init (&enc->comment);
-
- while ((result =
- daala_encode_flush_header (enc->encoder, &enc->comment, &op)) > 0) {
- buf = daala_enc_buffer_from_header_packet (enc, &op);
- buffers = g_list_prepend (buffers, buf);
- }
- if (result < 0) {
- g_list_foreach (buffers, (GFunc) gst_buffer_unref, NULL);
- g_list_free (buffers);
- goto encoder_disabled;
- }
-
- buffers = g_list_reverse (buffers);
-
- /* mark buffers and put on caps */
- caps = gst_caps_new_empty_simple ("video/x-daala");
- caps = daala_set_header_on_caps (caps, buffers);
- state = gst_video_encoder_set_output_state (benc, caps, enc->input_state);
-
- GST_DEBUG ("here are the caps: %" GST_PTR_FORMAT, state->caps);
-
- gst_video_codec_state_unref (state);
-
- gst_video_encoder_negotiate (GST_VIDEO_ENCODER (enc));
-
- gst_video_encoder_set_headers (benc, buffers);
-
- daala_enc_reset_ts (enc, running_time, frame->presentation_frame_number);
- }
-
- {
- od_img img;
- gint res;
- GstVideoFrame vframe;
-
- if (force_keyframe) {
- /* TODO */
- }
-
- gst_video_frame_map (&vframe, &enc->input_state->info, frame->input_buffer,
- GST_MAP_READ);
- daala_enc_init_buffer (enc, &img, &vframe);
-
- res = daala_encode_img_in (enc->encoder, &img, 1);
- gst_video_frame_unmap (&vframe);
-
- /* none of the failure cases can happen here */
- g_assert (res == 0);
-
- ret = GST_FLOW_OK;
- while (daala_encode_packet_out (enc->encoder, 0, &op)) {
- ret = daala_push_packet (enc, &op);
- if (ret != GST_FLOW_OK)
- goto beach;
- }
- }
-
-beach:
- gst_video_codec_frame_unref (frame);
- return ret;
-
- /* ERRORS */
-encoder_disabled:
- {
- gst_video_codec_frame_unref (frame);
- GST_ELEMENT_ERROR (enc, STREAM, ENCODE, (NULL),
- ("libdaala has been compiled with the encoder disabled"));
- return GST_FLOW_ERROR;
- }
-}
-
-static gboolean
-daala_enc_finish (GstVideoEncoder * benc)
-{
- GstDaalaEnc *enc;
- ogg_packet op;
-
- enc = GST_DAALA_ENC (benc);
-
- if (enc->initialised) {
- /* push last packet with eos flag, should not be called */
- while (daala_encode_packet_out (enc->encoder, 1, &op)) {
- daala_push_packet (enc, &op);
- }
- }
-
- return TRUE;
-}
-
-static gboolean
-daala_enc_propose_allocation (GstVideoEncoder * encoder, GstQuery * query)
-{
- gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
-
- return GST_VIDEO_ENCODER_CLASS (parent_class)->propose_allocation (encoder,
- query);
-}
-
-static void
-daala_enc_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec)
-{
- GstDaalaEnc *enc = GST_DAALA_ENC (object);
-
- switch (prop_id) {
- case PROP_QUANT:
- GST_OBJECT_LOCK (enc);
- enc->quant = g_value_get_int (value);
- enc->quant_changed = TRUE;
- GST_OBJECT_UNLOCK (enc);
- break;
- case PROP_KEYFRAME_RATE:
- GST_OBJECT_LOCK (enc);
- enc->keyframe_rate = g_value_get_int (value);
- enc->keyframe_rate_changed = TRUE;
- GST_OBJECT_UNLOCK (enc);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-daala_enc_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec)
-{
- GstDaalaEnc *enc = GST_DAALA_ENC (object);
-
- switch (prop_id) {
- case PROP_QUANT:
- GST_OBJECT_LOCK (enc);
- g_value_set_int (value, enc->quant);
- GST_OBJECT_UNLOCK (enc);
- break;
- case PROP_KEYFRAME_RATE:
- GST_OBJECT_LOCK (enc);
- g_value_set_int (value, enc->keyframe_rate);
- GST_OBJECT_UNLOCK (enc);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-gboolean
-gst_daala_enc_register (GstPlugin * plugin)
-{
- return gst_element_register (plugin, "daalaenc",
- GST_RANK_PRIMARY, GST_TYPE_DAALA_ENC);
-}
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2004 Wim Taymans <wim@fluendo.com>
- * Copyright (c) 2012 Collabora Ltd.
- * Author : Edward Hervey <edward@collabora.com>
- * Author : Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
- * Copyright (c) 2013 Sebastian Dröge <slomo@circular-chaos.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., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifndef __GST_DAALAENC_H__
-#define __GST_DAALAENC_H__
-
-#include <gst/gst.h>
-#include <gst/video/video.h>
-#include <daala/daalaenc.h>
-
-G_BEGIN_DECLS
-
-#define GST_TYPE_DAALA_ENC \
- (gst_daala_enc_get_type())
-#define GST_DAALA_ENC(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DAALA_ENC,GstDaalaEnc))
-#define GST_DAALA_ENC_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DAALA_ENC,GstDaalaEncClass))
-#define GST_IS_DAALA_ENC(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DAALA_ENC))
-#define GST_IS_DAALA_ENC_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DAALA_ENC))
-
-typedef struct _GstDaalaEnc GstDaalaEnc;
-typedef struct _GstDaalaEncClass GstDaalaEncClass;
-
-/**
- * GstDaalaEnc:
- *
- * Opaque data structure.
- */
-struct _GstDaalaEnc
-{
- GstVideoEncoder element;
-
- ogg_stream_state vo;
-
- daala_enc_ctx *encoder;
- daala_info info;
- daala_comment comment;
- gboolean initialised;
-
- guint packetno;
- guint64 bytes_out;
- guint64 granulepos_offset;
- guint64 timestamp_offset;
- guint64 pfn_offset;
-
- int quant;
- int keyframe_rate;
- gboolean quant_changed;
- gboolean keyframe_rate_changed;
-
- GstVideoCodecState *input_state;
-};
-
-struct _GstDaalaEncClass
-{
- GstVideoEncoderClass parent_class;
-};
-
-GType gst_daala_enc_get_type (void);
-gboolean gst_daala_enc_register (GstPlugin * plugin);
-
-G_END_DECLS
-
-#endif /* __GST_DAALAENC_H__ */
-
subdir('chromaprint')
subdir('closedcaption')
subdir('curl')
-#subdir('daala')
subdir('dash')
subdir('dc1394')
subdir('directfb')
projects / platform / upstream / gstreamer.git / commitdiff