#include <stdlib.h>
#include <string.h>
+#include <gst/video/video.h>
+
#include "gstavimux.h"
#ifndef LE_FROM_GUINT16
#define LE_FROM_GUINT16 GUINT16_FROM_LE
#endif
-
#ifndef LE_FROM_GUINT32
#define LE_FROM_GUINT32 GUINT32_FROM_LE
#endif
-
/* elementfactory information */
static GstElementDetails
gst_avimux_details =
{
- ".avi mux",
- "Mux/Video",
+ "Avi multiplexer",
+ "Codec/Muxer",
+ "LGPL",
"Muxes audio and video into an avi stream",
VERSION,
"Ronald Bultje <rbultje@ronald.bitfreak.net>",
enum {
ARG_0,
ARG_BIGFILE,
- ARG_FRAMERATE,
};
-GST_PADTEMPLATE_FACTORY (src_factory,
+GST_PAD_TEMPLATE_FACTORY (src_factory,
"src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
)
)
-GST_PADTEMPLATE_FACTORY (video_sink_factory,
+GST_PAD_TEMPLATE_FACTORY (video_sink_factory,
"video_%d",
GST_PAD_SINK,
GST_PAD_REQUEST,
)
)
-GST_PADTEMPLATE_FACTORY (audio_sink_factory,
+GST_PAD_TEMPLATE_FACTORY (audio_sink_factory,
"audio_%d",
GST_PAD_SINK,
GST_PAD_REQUEST,
GST_PROPS_INT (8),
GST_PROPS_INT (16)
),
- "rate", GST_PROPS_INT_RANGE (11025, 44100),
+ "rate", GST_PROPS_INT_RANGE (1000, 48000),
"channels", GST_PROPS_INT_RANGE (1, 2)
),
GST_CAPS_NEW (
"avimux_sink_audio",
- "audio/mp3",
+ "audio/x-mp3",
+ NULL
+ ),
+ GST_CAPS_NEW (
+ "avimux_sink_audio",
+ "application/x-ogg",
NULL
)
)
static void gst_avimux_class_init (GstAviMuxClass *klass);
static void gst_avimux_init (GstAviMux *avimux);
-static void gst_avimux_chain (GstPad *pad,
- GstBuffer *buf);
+static void gst_avimux_loop (GstElement *element);
static gboolean gst_avimux_handle_event (GstPad *pad,
GstEvent *event);
static GstPad* gst_avimux_request_new_pad (GstElement *element,
g_param_spec_boolean("bigfile","Bigfile Support","Whether to capture large or small AVI files",
0,G_PARAM_READWRITE));
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FRAMERATE,
- g_param_spec_double("framerate","Framerate","Frames/sec",
- G_MINDOUBLE,G_MAXDOUBLE,25.0,G_PARAM_READWRITE));
-
gstelement_class->request_new_pad = gst_avimux_request_new_pad;
gstelement_class->change_state = gst_avimux_change_state;
gstelement_class->set_property = gst_avimux_set_property;
}
+static const GstEventMask *
+gst_avimux_get_event_masks (GstPad *pad)
+{
+ static const GstEventMask gst_avimux_src_event_masks[] = {
+ { GST_EVENT_NEW_MEDIA, 0 },
+ { 0, }
+ };
+ static const GstEventMask gst_avimux_sink_event_masks[] = {
+ { GST_EVENT_EOS, 0 },
+ { 0, }
+ };
+
+ if (GST_PAD_IS_SRC(pad))
+ return gst_avimux_src_event_masks;
+ else
+ return gst_avimux_sink_event_masks;
+}
+
static void
gst_avimux_init (GstAviMux *avimux)
{
- gint i;
avimux->srcpad = gst_pad_new_from_template (
- GST_PADTEMPLATE_GET (src_factory), "src");
+ GST_PAD_TEMPLATE_GET (src_factory), "src");
gst_element_add_pad (GST_ELEMENT (avimux), avimux->srcpad);
GST_FLAG_SET (GST_ELEMENT(avimux), GST_ELEMENT_EVENT_AWARE);
gst_pad_set_event_function(avimux->srcpad, gst_avimux_handle_event);
+ gst_pad_set_event_mask_function(avimux->srcpad, gst_avimux_get_event_masks);
+
+ avimux->audiosinkpad = NULL;
+ avimux->audio_pad_connected = FALSE;
+ avimux->videosinkpad = NULL;
+ avimux->video_pad_connected = FALSE;
- for (i=0;i<MAX_NUM_AUDIO_PADS;i++)
- avimux->audiosinkpad[i] = NULL;
- avimux->num_audio_pads = 0;
- for (i=0;i<MAX_NUM_VIDEO_PADS;i++)
- avimux->videosinkpad[i] = NULL;
- avimux->num_video_pads = 0;
+ avimux->audio_buffer_queue = NULL;
+ avimux->video_buffer_queue = NULL;
avimux->num_frames = 0;
avimux->enable_large_avi = TRUE;
- avimux->framerate = 25.;
+ avimux->framerate = 0;
+
+ gst_element_set_loop_function(GST_ELEMENT(avimux), gst_avimux_loop);
}
static GstPadConnectReturn
if (!strcmp (mimetype, "video/avi"))
{
- const gchar* format = gst_caps_get_string(caps, "format");
+ const gchar* format;
+
+ gst_caps_get_string (caps, "format", &format);
if (!strncmp (format, "strf_vids", 9)) {
avimux->vids.size = sizeof(gst_riff_strf_vids);
- avimux->vids.width = gst_caps_get_int (caps, "width");
- avimux->vids.height = gst_caps_get_int (caps, "height");
- avimux->vids.planes = gst_caps_get_int (caps, "planes");
- avimux->vids.bit_cnt = gst_caps_get_int (caps, "bit_cnt");
- avimux->vids.compression = gst_caps_get_fourcc_int (caps, "compression");
- avimux->vids.image_size = gst_caps_get_int (caps, "image_size");
- avimux->vids.xpels_meter = gst_caps_get_int (caps, "xpels_meter");
- avimux->vids.ypels_meter = gst_caps_get_int (caps, "ypels_meter");
- avimux->vids.num_colors = gst_caps_get_int (caps, "num_colors");
- avimux->vids.imp_colors = gst_caps_get_int (caps, "imp_colors");
+ gst_caps_get (caps,
+ "width", &avimux->vids.width,
+ "height", &avimux->vids.height,
+ "planes", &avimux->vids.planes,
+ "bit_cnt", &avimux->vids.bit_cnt,
+ "compression", &avimux->vids.compression,
+ "image_size", &avimux->vids.image_size,
+ "xpels_meter", &avimux->vids.xpels_meter,
+ "ypels_meter", &avimux->vids.ypels_meter,
+ "num_colors", &avimux->vids.num_colors,
+ "imp_colors", &avimux->vids.imp_colors,
+ NULL);
+ avimux->vids_hdr.fcc_handler = avimux->vids.compression;
+ avimux->avi_hdr.width = avimux->vids.width;
+ avimux->avi_hdr.height = avimux->vids.height;
+ goto done;
}
else if (!strncmp (format, "strf_auds", 9)) {
- avimux->auds.format = gst_caps_get_int (caps, "format");
- avimux->auds.channels = gst_caps_get_int (caps, "channels");
- avimux->auds.rate = gst_caps_get_int (caps, "rate");
- avimux->auds.av_bps = gst_caps_get_int (caps, "av_bps");
- avimux->auds.blockalign = gst_caps_get_int (caps, "blockalign");
- avimux->auds.size = gst_caps_get_int (caps, "size");
+ gst_caps_get (caps,
+ "format", &avimux->auds.format,
+ "channels", &avimux->auds.channels,
+ "rate", &avimux->auds.rate,
+ "av_bps", &avimux->auds.av_bps,
+ "blockalign", &avimux->auds.blockalign,
+ "size", &avimux->auds.size,
+ NULL);
+ avimux->auds_hdr.samplesize = avimux->auds_hdr.scale = avimux->auds.blockalign;
+ avimux->auds_hdr.rate = avimux->auds.av_bps;
+ goto done;
}
- goto done;
}
else if (!strcmp (mimetype, "video/raw"))
{
- switch (gst_caps_get_fourcc_int(caps, "format"))
+ guint32 format;
+ gint temp;
+
+ gst_caps_get_fourcc_int (caps, "format", &format);
+ switch (format)
{
case GST_MAKE_FOURCC('Y','U','Y','2'):
case GST_MAKE_FOURCC('I','4','2','0'):
case GST_MAKE_FOURCC('Y','4','1','P'):
case GST_MAKE_FOURCC('R','G','B',' '):
avimux->vids.size = sizeof(gst_riff_strf_vids);
- avimux->vids.width = gst_caps_get_int (caps, "width");
- avimux->vids.height = gst_caps_get_int (caps, "height");
+ gst_caps_get (caps, "width", &avimux->vids.width,
+ "height", &avimux->vids.height, NULL);
avimux->vids.planes = 1;
- switch (gst_caps_get_fourcc_int(caps, "format"))
+ switch (format)
{
case GST_MAKE_FOURCC('Y','U','Y','2'):
avimux->vids.bit_cnt = 16; /* YUY2 */
break;
case GST_MAKE_FOURCC('R','G','B',' '):
- avimux->vids.bit_cnt = gst_caps_get_fourcc_int(caps, "bpp"); /* RGB */
+ gst_caps_get_int (caps, "bpp", &temp); /* RGB */
+ avimux->vids.bit_cnt = temp;
break;
case GST_MAKE_FOURCC('Y','4','1','P'):
case GST_MAKE_FOURCC('I','4','2','0'):
avimux->vids.bit_cnt = 12; /* Y41P or I420 */
break;
}
- avimux->vids.compression = gst_caps_get_fourcc_int(caps, "format");
+ gst_caps_get_fourcc_int(caps, "format", &avimux->vids.compression);
+ avimux->vids_hdr.fcc_handler = avimux->vids.compression;
avimux->vids.image_size = avimux->vids.height * avimux->vids.width;
+ avimux->avi_hdr.width = avimux->vids.width;
+ avimux->avi_hdr.height = avimux->vids.height;
goto done;
default:
break;
else if (!strcmp (mimetype, "video/jpeg"))
{
avimux->vids.size = sizeof(gst_riff_strf_vids);
- avimux->vids.width = gst_caps_get_int (caps, "width");
- avimux->vids.height = gst_caps_get_int (caps, "height");
+ gst_caps_get (caps, "width", &avimux->vids.width,
+ "height", &avimux->vids.height, NULL);
avimux->vids.planes = 1;
avimux->vids.bit_cnt = 24;
- avimux->vids.compression = GST_MAKE_FOURCC('M','J','P','G');
+ avimux->vids_hdr.fcc_handler = avimux->vids.compression = GST_MAKE_FOURCC('M','J','P','G');
+ avimux->avi_hdr.width = avimux->vids.width;
+ avimux->avi_hdr.height = avimux->vids.height;
avimux->vids.image_size = avimux->vids.height * avimux->vids.width;
goto done;
}
else if (!strcmp (mimetype, "audio/raw"))
{
+ gint width;
+
avimux->auds.format = GST_RIFF_WAVE_FORMAT_PCM;
- avimux->auds.channels = gst_caps_get_int (caps, "channels");
- avimux->auds.rate = gst_caps_get_int (caps, "rate");
- avimux->auds.av_bps = gst_caps_get_int (caps, "width") * avimux->auds.rate *
- avimux->auds.channels / 8;
- avimux->auds.blockalign = gst_caps_get_int (caps, "width") * avimux->auds.channels/8;
- avimux->auds.size = gst_caps_get_int (caps, "depth");
+ gst_caps_get (caps, "channels", &avimux->auds.channels,
+ "rate", &avimux->auds.rate,
+ "width", &width,
+ "depth", &avimux->auds.size,
+ NULL);
+ avimux->auds_hdr.rate = avimux->auds.av_bps = width * avimux->auds.rate * avimux->auds.channels / 8;
+ avimux->auds_hdr.samplesize = avimux->auds_hdr.scale = avimux->auds.blockalign = width * avimux->auds.channels/8;
goto done;
}
- else if (!strcmp (mimetype, "audio/mp3"))
+ else if (!strcmp (mimetype, "audio/x-mp3"))
{
+ gint layer;
+
+ gst_caps_get_int(caps, "layer", &layer);
+
/* we don't need to do anything here, compressed mp3 contains it all */
- avimux->auds.format = gst_caps_get_int(caps, "layer")==3?
- GST_RIFF_WAVE_FORMAT_MPEGL3:GST_RIFF_WAVE_FORMAT_MPEGL12;
+ avimux->auds.format = (layer == 3?
+ GST_RIFF_WAVE_FORMAT_MPEGL3 :
+ GST_RIFF_WAVE_FORMAT_MPEGL12);
+ goto done;
+ }
+ else if (!strcmp (mimetype, "application/x-ogg"))
+ {
+ avimux->auds.format = GST_RIFF_WAVE_FORMAT_VORBIS1;
goto done;
}
}
return GST_PAD_CONNECT_OK;
}
+static void
+gst_avimux_pad_connect (GstPad *pad,
+ GstPad *peer,
+ gpointer data)
+{
+ GstAviMux *avimux = GST_AVIMUX(data);
+ const gchar *padname = gst_pad_get_name (pad);
+
+ if (pad == avimux->audiosinkpad)
+ {
+ avimux->audio_pad_connected = TRUE;
+ }
+ else if (pad == avimux->videosinkpad)
+ {
+ avimux->video_pad_connected = TRUE;
+ }
+ else
+ {
+ g_warning("Unknown padname '%s'", padname);
+ return;
+ }
+
+ GST_DEBUG(GST_CAT_PLUGIN_INFO, "pad '%s' connected", padname);
+}
+
+static void
+gst_avimux_pad_disconnect (GstPad *pad,
+ GstPad *peer,
+ gpointer data)
+{
+ GstAviMux *avimux = GST_AVIMUX(data);
+ const gchar *padname = gst_pad_get_name (pad);
+
+ if (pad == avimux->audiosinkpad)
+ {
+ avimux->audio_pad_connected = FALSE;
+ avimux->audiosinkpad = NULL;
+ }
+ else if (pad == avimux->videosinkpad)
+ {
+ avimux->video_pad_connected = FALSE;
+ avimux->videosinkpad = NULL;
+ }
+ else
+ {
+ g_warning("Unknown padname '%s'", padname);
+ return;
+ }
+
+ GST_DEBUG(GST_CAT_PLUGIN_INFO, "pad '%s' disconnected", padname);
+
+ /* is this allowed? */
+ gst_pad_destroy(pad);
+}
+
static GstPad*
gst_avimux_request_new_pad (GstElement *element,
GstPadTemplate *templ,
const gchar *req_name)
{
GstAviMux *avimux;
- gchar *name = NULL;
GstPad *newpad;
g_return_val_if_fail (templ != NULL, NULL);
avimux = GST_AVIMUX (element);
- if (templ == GST_PADTEMPLATE_GET (audio_sink_factory)) {
- g_return_val_if_fail(avimux->num_audio_pads == 0 /*< MAX_NUM_AUDIO_PADS*/, NULL);
- name = g_strdup_printf ("audio_%02d", avimux->num_audio_pads);
- newpad = gst_pad_new_from_template (templ, name);
- gst_pad_set_element_private (newpad, GINT_TO_POINTER (avimux->num_audio_pads));
-
- avimux->audiosinkpad[avimux->num_audio_pads] = newpad;
- avimux->num_audio_pads++;
+ if (templ == GST_PAD_TEMPLATE_GET (audio_sink_factory)) {
+ g_return_val_if_fail(avimux->audiosinkpad == NULL, NULL);
+ newpad = gst_pad_new_from_template (templ, "audio_00");
+ avimux->audiosinkpad = newpad;
}
- else if (templ == GST_PADTEMPLATE_GET (video_sink_factory)) {
- g_return_val_if_fail(avimux->num_video_pads == 0 /*< MAX_NUM_VIDEO_PADS*/, NULL);
- name = g_strdup_printf ("video_%02d", avimux->num_video_pads);
- newpad = gst_pad_new_from_template (templ, name);
- gst_pad_set_element_private (newpad, GINT_TO_POINTER (avimux->num_video_pads));
-
- avimux->videosinkpad[avimux->num_video_pads] = newpad;
- avimux->num_video_pads++;
+ else if (templ == GST_PAD_TEMPLATE_GET (video_sink_factory)) {
+ g_return_val_if_fail(avimux->videosinkpad == NULL, NULL);
+ newpad = gst_pad_new_from_template (templ, "video_00");
+ avimux->videosinkpad = newpad;
}
else {
g_warning ("avimux: this is not our template!\n");
return NULL;
}
- gst_pad_set_chain_function (newpad, gst_avimux_chain);
+ g_signal_connect(newpad, "connected",
+ G_CALLBACK(gst_avimux_pad_connect), (gpointer)avimux);
+ g_signal_connect(newpad, "disconnected",
+ G_CALLBACK(gst_avimux_pad_disconnect), (gpointer)avimux);
gst_pad_set_connect_function (newpad, gst_avimux_sinkconnect);
gst_element_add_pad (element, newpad);
+ gst_pad_set_event_function(newpad, gst_avimux_handle_event);
+ gst_pad_set_event_mask_function(newpad, gst_avimux_get_event_masks);
return newpad;
}
/* first, let's see what actually needs to be in the buffer */
GST_BUFFER_SIZE(buffer) = 0;
GST_BUFFER_SIZE(buffer) += 32 + sizeof(gst_riff_avih); /* avi header */
- if (avimux->num_video_pads)
+ if (avimux->video_pad_connected)
{ /* we have video */
GST_BUFFER_SIZE(buffer) += 28 + sizeof(gst_riff_strh) + sizeof(gst_riff_strf_vids); /* vid hdr */
GST_BUFFER_SIZE(buffer) += 24; /* odml header */
}
- if (avimux->num_audio_pads)
+ if (avimux->audio_pad_connected)
{ /* we have audio */
GST_BUFFER_SIZE(buffer) += 28 + sizeof(gst_riff_strh) + sizeof(gst_riff_strf_auds); /* aud hdr */
}
temp32 = LE_FROM_GUINT32(avimux->avi_hdr.length);
memcpy(buffdata, &temp32, 4); buffdata += 4;
- if (avimux->num_video_pads)
+ if (avimux->video_pad_connected)
{
/* video header metadata */
memcpy(buffdata, "LIST", 4); buffdata += 4;
memcpy(buffdata, &temp32, 4); buffdata += 4;
}
- if (avimux->num_audio_pads)
+ if (avimux->audio_pad_connected)
{
/* audio header */
memcpy(buffdata, "LIST", 4); buffdata += 4;
memcpy(buffdata, &temp32, 4); buffdata += 4;
/* the audio header */
memcpy(buffdata, "strf", 4); buffdata += 4;
- temp32 = LE_FROM_GUINT32(sizeof(gst_riff_strf_vids));
+ temp32 = LE_FROM_GUINT32(sizeof(gst_riff_strf_auds));
memcpy(buffdata, &temp32, 4); buffdata += 4;
/* the actual header */
temp16 = LE_FROM_GUINT16(avimux->auds.format);
memcpy(buffdata, &temp16, 2); buffdata += 2;
}
- if (avimux->num_video_pads)
+ if (avimux->video_pad_connected)
{
/* odml header */
memcpy(buffdata, "LIST", 4); buffdata += 4;
/* some other usable functions (thankyou xawtv ;-) ) */
static void
-gst_avimux_add_index (GstAviMux *avimux, guint32 fourcc, guint32 flags, guint32 size)
+gst_avimux_add_index (GstAviMux *avimux, guchar *code, guint32 flags, guint32 size)
{
- guint32 temp32;
-
if (avimux->idx_index == avimux->idx_count)
{
avimux->idx_count += 256;
avimux->idx = realloc(avimux->idx, avimux->idx_count*sizeof(gst_riff_index_entry));
}
- temp32 = LE_FROM_GUINT32(fourcc);
- memcpy(&(avimux->idx[avimux->idx_index].id), &temp32, 4);
+ memcpy(&(avimux->idx[avimux->idx_index].id), code, 4);
avimux->idx[avimux->idx_index].flags = LE_FROM_GUINT32(flags);
- avimux->idx[avimux->idx_index].offset = LE_FROM_GUINT32(avimux->idx_offset-avimux->header_size-8);
+ avimux->idx[avimux->idx_index].offset = LE_FROM_GUINT32(avimux->idx_offset);
avimux->idx[avimux->idx_index].size = LE_FROM_GUINT32(size);
avimux->idx_index++;
- avimux->idx_offset += size + sizeof(gst_riff_index_entry);
+ avimux->idx_offset += size;
}
static void
if (avimux->is_bigfile)
{
/* sarch back */
- event = gst_event_new_seek(GST_SEEK_BYTEOFFSET_SET, avimux->avix_start, TRUE);
- gst_pad_send_event(avimux->srcpad, event);
-
- /* rewrite AVIX header */
- header = gst_avimux_riff_get_avix_header(avimux->datax_size);
- gst_pad_push(avimux->srcpad, header);
-
- /* go back to current location */
- event = gst_event_new_seek(GST_SEEK_BYTEOFFSET_SET, avimux->total_data, TRUE);
- gst_pad_send_event(avimux->srcpad, event);
+ event = gst_event_new_seek (GST_FORMAT_BYTES |
+ GST_SEEK_METHOD_SET |
+ GST_SEEK_FLAG_FLUSH,
+ avimux->avix_start);
+ /* if the event succeeds */
+ if (gst_pad_send_event(GST_PAD_PEER(avimux->srcpad), event)) {
+
+ /* rewrite AVIX header */
+ header = gst_avimux_riff_get_avix_header(avimux->datax_size);
+ gst_pad_push(avimux->srcpad, header);
+
+ /* go back to current location */
+ event = gst_event_new_seek (GST_FORMAT_BYTES |
+ GST_SEEK_METHOD_SET |
+ GST_SEEK_FLAG_FLUSH,
+ avimux->total_data);
+ gst_pad_send_event(GST_PAD_PEER(avimux->srcpad), event);
+ }
}
avimux->avix_start = avimux->total_data;
avimux->num_frames = 0;
avimux->numx_frames = 0;
avimux->audio_size = 0;
+ avimux->avix_start = 0;
avimux->idx_index = 0;
- avimux->idx_offset = avimux->header_size + 12;
+ avimux->idx_offset = 0; /* see 10 lines below */
avimux->idx_size = 0;
avimux->idx_count = 0;
avimux->idx = NULL;
/* header */
- avimux->avi_hdr.streams = avimux->num_video_pads + avimux->num_audio_pads;
+ avimux->avi_hdr.streams = avimux->video_pad_connected?1:0 + avimux->audio_pad_connected?1:0;
avimux->is_bigfile = FALSE;
header = gst_avimux_riff_get_avi_header(avimux);
+ avimux->idx_offset = avimux->header_size + 12;
avimux->total_data += GST_BUFFER_SIZE(header);
gst_pad_push(avimux->srcpad, header);
GstBuffer *header;
/* if bigfile, rewrite header, else write indexes */
- if (avimux->num_video_pads)
+ if (avimux->video_pad_connected)
{
if (avimux->is_bigfile)
{
/* statistics/total_frames/... */
avimux->avi_hdr.tot_frames = avimux->num_frames;
- if (avimux->num_video_pads)
+ if (avimux->video_pad_connected)
avimux->vids_hdr.length = avimux->num_frames;
- if (avimux->num_audio_pads)
- avimux->auds_hdr.length = avimux->audio_size/avimux->auds_hdr.scale;
+ if (avimux->audio_pad_connected)
+ {
+ if (avimux->auds_hdr.scale)
+ avimux->auds_hdr.length = avimux->audio_size/avimux->auds_hdr.scale;
+ else
+ avimux->auds_hdr.length = 0; /* urm...? FIXME! ;-) */
+ }
- /* TODO: fps calculation!! */
- avimux->avi_hdr.us_frame = 1000000/avimux->framerate;
+ /* set rate and everything having to do with that */
+ avimux->avi_hdr.us_frame = avimux->vids_hdr.scale = 1000000/avimux->framerate;
avimux->avi_hdr.max_bps = 0;
- if (avimux->num_audio_pads)
+ if (avimux->audio_pad_connected)
avimux->avi_hdr.max_bps += avimux->auds.av_bps;
- if (avimux->num_video_pads)
- avimux->avi_hdr.max_bps += avimux->vids.bit_cnt/8 * avimux->framerate;
+ if (avimux->video_pad_connected)
+ avimux->avi_hdr.max_bps += ((avimux->vids.bit_cnt+7)/8) *
+ avimux->framerate *
+ avimux->vids.image_size;
/* seek and rewrite the header */
header = gst_avimux_riff_get_avi_header(avimux);
- event = gst_event_new_seek(GST_SEEK_BYTEOFFSET_SET, 0, TRUE);
- gst_pad_send_event(avimux->srcpad, event);
+ event = gst_event_new_seek (GST_FORMAT_BYTES |
+ GST_SEEK_METHOD_SET |
+ GST_SEEK_FLAG_FLUSH, 0);
+ gst_pad_send_event(GST_PAD_PEER(avimux->srcpad), event);
gst_pad_push(avimux->srcpad, header);
avimux->write_header = TRUE;
case GST_EVENT_NEW_MEDIA:
avimux->restart = TRUE;
break;
+ case GST_EVENT_EOS:
+ /* is this allright? */
+ if (pad == avimux->videosinkpad)
+ avimux->video_pad_eos = TRUE;
+ else if (pad == avimux->audiosinkpad)
+ avimux->audio_pad_eos = TRUE;
+ else
+ g_warning("Unknown pad for EOS!");
+ break;
default:
break;
}
return TRUE;
}
+
+/* fill the internal queue for each available pad */
static void
-gst_avimux_chain (GstPad *pad, GstBuffer *buf)
+gst_avimux_fill_queue (GstAviMux *avimux)
{
- GstAviMux *avimux;
- GstBuffer *newbuf;
- const gchar *padname = gst_pad_get_name (pad);
+ GstBuffer *buffer;
- g_return_if_fail (pad != NULL);
- g_return_if_fail (GST_IS_PAD (pad));
- g_return_if_fail (buf != NULL);
- g_return_if_fail (GST_BUFFER_DATA (buf) != NULL);
+ if (!avimux->audio_buffer_queue &&
+ GST_PAD_IS_USABLE(avimux->audiosinkpad) &&
+ !avimux->audio_pad_eos)
+ {
+ while (1)
+ {
+ buffer = gst_pad_pull(avimux->audiosinkpad);
+ if (GST_IS_EVENT(buffer))
+ {
+ gst_avimux_handle_event(avimux->audiosinkpad, GST_EVENT(buffer));
+ }
+ else
+ {
+ avimux->audio_buffer_queue = buffer;
+ break;
+ }
+ }
+ }
- avimux = GST_AVIMUX (gst_pad_get_parent (pad));
-
- if (GST_IS_EVENT(buf))
+ if (!avimux->video_buffer_queue &&
+ GST_PAD_IS_USABLE(avimux->videosinkpad) &&
+ !avimux->video_pad_eos)
{
- gst_avimux_handle_event(pad, GST_EVENT(buf));
- return;
+ while (1)
+ {
+ buffer = gst_pad_pull(avimux->videosinkpad);
+ if (GST_IS_EVENT(buffer))
+ {
+ gst_avimux_handle_event(avimux->videosinkpad, GST_EVENT(buffer));
+ }
+ else
+ {
+ avimux->video_buffer_queue = buffer;
+ if (avimux->framerate < 0)
+ avimux->framerate = gst_video_frame_rate(GST_PAD_PEER(avimux->videosinkpad));
+ break;
+ }
+ }
}
+}
- if (avimux->write_header)
- gst_avimux_start_file(avimux);
+/* send extra 'padding' data */
+static void
+gst_avimux_send_pad_data (GstAviMux *avimux,
+ gulong num_bytes)
+{
+ GstBuffer *buffer;
+
+ buffer = gst_buffer_new();
+ GST_BUFFER_SIZE(buffer) = num_bytes;
+ GST_BUFFER_DATA(buffer) = g_malloc(num_bytes);
+ memset(GST_BUFFER_DATA(buffer), 0, num_bytes);
+
+ gst_pad_push(avimux->srcpad, buffer);
+}
+
+/* do audio buffer */
+static void
+gst_avimux_do_audio_buffer (GstAviMux *avimux)
+{
+ GstBuffer *data = avimux->audio_buffer_queue, *header;
+ gulong total_size, pad_bytes;
- if (strncmp(padname, "audio_", 6) == 0)
+ /* write a audio header + index entry */
+ header = gst_avimux_riff_get_audio_header((GST_BUFFER_SIZE(data)+3)&~3);
+ total_size = GST_BUFFER_SIZE(header) + GST_BUFFER_SIZE(data);
+ avimux->total_data += total_size;
+
+ if (avimux->is_bigfile)
+ {
+ avimux->datax_size += total_size;
+ }
+ else
{
- /* write a audio header + index entry */
- newbuf = gst_avimux_riff_get_audio_header(GST_BUFFER_SIZE(buf));
- avimux->total_data += GST_BUFFER_SIZE(newbuf) + GST_BUFFER_SIZE(buf);
+ avimux->data_size += total_size;
+ avimux->audio_size += GST_BUFFER_SIZE(data);
+ gst_avimux_add_index(avimux, "01wb", 0x0, total_size);
+ }
- if (avimux->is_bigfile)
- {
- avimux->datax_size += GST_BUFFER_SIZE(newbuf) + GST_BUFFER_SIZE(buf);
- }
- else
+ gst_pad_push(avimux->srcpad, header);
+ pad_bytes = ((GST_BUFFER_SIZE(data)+3)&~3) - GST_BUFFER_SIZE(data);
+ if (pad_bytes)
+ if (GST_BUFFER_MAXSIZE(data) >= GST_BUFFER_SIZE(data) + pad_bytes)
{
- avimux->data_size += GST_BUFFER_SIZE(newbuf) + GST_BUFFER_SIZE(buf);
- avimux->audio_size += GST_BUFFER_SIZE(buf);
- gst_avimux_add_index(avimux, avimux->auds.format, 0x0, GST_BUFFER_SIZE(buf));
+ GST_BUFFER_SIZE(data) += pad_bytes;
+ pad_bytes = 0;
}
+ gst_pad_push(avimux->srcpad, data);
+ if (pad_bytes)
+ gst_avimux_send_pad_data(avimux, pad_bytes);
+ avimux->audio_buffer_queue = NULL;
+}
- gst_pad_push(avimux->srcpad, newbuf);
- }
- else if (strncmp(padname, "video_", 6) == 0)
+
+/* do video buffer */
+static void
+gst_avimux_do_video_buffer (GstAviMux *avimux)
+{
+ GstBuffer *data = avimux->video_buffer_queue, *header;
+ gulong total_size, pad_bytes;
+
+ if (avimux->restart)
+ gst_avimux_restart_file(avimux);
+
+ /* write a video header + index entry */
+ if ((avimux->is_bigfile?avimux->datax_size:avimux->data_size)+GST_BUFFER_SIZE(data)>1024*1024*2000)
{
- if (avimux->restart)
+ if (avimux->enable_large_avi)
+ gst_avimux_bigfile(avimux, FALSE);
+ else
gst_avimux_restart_file(avimux);
+ }
+
+ header = gst_avimux_riff_get_video_header((GST_BUFFER_SIZE(data)+3)&~3);
+ total_size = GST_BUFFER_SIZE(header) + GST_BUFFER_SIZE(data);
+ avimux->total_data += total_size;
+ avimux->total_frames++;
- /* write a video header + index entry */
- GST_BUFFER_SIZE(buf) = (GST_BUFFER_SIZE(buf)+3)&~3;
+ if (avimux->is_bigfile)
+ {
+ avimux->datax_size += total_size;
+ avimux->numx_frames++;
+ }
+ else
+ {
+ avimux->data_size += total_size;
+ avimux->num_frames++;
+ gst_avimux_add_index(avimux, "00db", 0x12, total_size);
+ }
- if ((avimux->is_bigfile?avimux->datax_size:avimux->data_size)+GST_BUFFER_SIZE(buf)>1024*1024*2000)
+ gst_pad_push(avimux->srcpad, header);
+ pad_bytes = ((GST_BUFFER_SIZE(data)+3)&~3) - GST_BUFFER_SIZE(data);
+ if (pad_bytes)
+ if (GST_BUFFER_MAXSIZE(data) >= GST_BUFFER_SIZE(data) + pad_bytes)
{
- if (avimux->enable_large_avi)
- gst_avimux_bigfile(avimux, FALSE);
- else
- gst_avimux_restart_file(avimux);
+ GST_BUFFER_SIZE(data) += pad_bytes;
+ pad_bytes = 0;
}
+ gst_pad_push(avimux->srcpad, data);
+ if (pad_bytes)
+ gst_avimux_send_pad_data(avimux, pad_bytes);
+ avimux->video_buffer_queue = NULL;
+}
- newbuf = gst_avimux_riff_get_video_header(GST_BUFFER_SIZE(buf));
- avimux->total_data += GST_BUFFER_SIZE(newbuf) + GST_BUFFER_SIZE(buf);
- avimux->total_frames++;
- if (avimux->is_bigfile)
- {
- avimux->datax_size += GST_BUFFER_SIZE(newbuf) + GST_BUFFER_SIZE(buf);
- avimux->numx_frames++;
- }
+/* take the oldest buffer in our internal queue and push-it */
+static gboolean
+gst_avimux_do_one_buffer (GstAviMux *avimux)
+{
+ if (avimux->video_buffer_queue &&
+ avimux->audio_buffer_queue)
+ {
+ if (GST_BUFFER_TIMESTAMP(avimux->video_buffer_queue) <=
+ GST_BUFFER_TIMESTAMP(avimux->audio_buffer_queue))
+ gst_avimux_do_video_buffer(avimux);
else
- {
- avimux->data_size += GST_BUFFER_SIZE(newbuf) + GST_BUFFER_SIZE(buf);
- avimux->num_frames++;
- gst_avimux_add_index(avimux, avimux->vids.compression, 0x12, GST_BUFFER_SIZE(buf));
- }
-
- gst_pad_push(avimux->srcpad, newbuf);
+ gst_avimux_do_audio_buffer(avimux);
}
- else
+ else if (avimux->video_buffer_queue ||
+ avimux->audio_buffer_queue)
{
- g_warning("Unknown padname \'%s\'\n", padname);
- return;
+ if (avimux->video_buffer_queue)
+ gst_avimux_do_video_buffer(avimux);
+ else
+ gst_avimux_do_audio_buffer(avimux);
}
+ else
+ return FALSE;
- /* data */
- gst_pad_push(avimux->srcpad, buf);
+ return TRUE;
+}
+
+
+static void
+gst_avimux_loop (GstElement *element)
+{
+ GstAviMux *avimux;
+
+ avimux = GST_AVIMUX(element);
+
+ /* first fill queue (some elements only set caps when
+ * flowing data), then write header */
+ gst_avimux_fill_queue(avimux);
+
+ if (avimux->write_header)
+ gst_avimux_start_file(avimux);
+
+ gst_avimux_do_one_buffer(avimux);
}
static void
case ARG_BIGFILE:
g_value_set_boolean(value, avimux->enable_large_avi);
break;
- case ARG_FRAMERATE:
- g_value_set_double(value, avimux->framerate);
- break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
case ARG_BIGFILE:
avimux->enable_large_avi = g_value_get_boolean(value);
break;
- case ARG_FRAMERATE:
- avimux->framerate = g_value_get_double(value);
- break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
GstAviMux *avimux;
gint transition = GST_STATE_TRANSITION (element);
- /* TODO: timer (for fps calculations) */
-
g_return_val_if_fail(GST_IS_AVIMUX(element), GST_STATE_FAILURE);
avimux = GST_AVIMUX(element);
switch (transition) {
case GST_STATE_READY_TO_PAUSED:
- /*gst_avimux_start_file(avimux);*/
break;
case GST_STATE_PAUSED_TO_PLAYING:
+ avimux->framerate = -1; /* means that we fill it in later */
+ avimux->video_pad_eos = avimux->audio_pad_eos = FALSE;
break;
case GST_STATE_PLAYING_TO_PAUSED:
+ /* this function returns TRUE while it handles buffers */
+ while (gst_avimux_do_one_buffer(avimux));
gst_avimux_stop_file(avimux);
break;
case GST_STATE_PAUSED_TO_READY:
- /*gst_avimux_stop_file(avimux);*/
break;
}
{
GstElementFactory *factory;
- /* this filter needs the riff parser */
-#if 0
- if (!gst_library_load ("gstriff")) {
- gst_info ("avimux: could not load support library: 'gstriff'\n");
+ if (!gst_library_load("gstvideo"))
return FALSE;
- }
-#endif
/* create an elementfactory for the avimux element */
- factory = gst_elementfactory_new ("avimux", GST_TYPE_AVIMUX,
- &gst_avimux_details);
+ factory = gst_element_factory_new ("avimux", GST_TYPE_AVIMUX,
+ &gst_avimux_details);
g_return_val_if_fail (factory != NULL, FALSE);
- gst_elementfactory_add_padtemplate (factory, GST_PADTEMPLATE_GET (src_factory));
- gst_elementfactory_add_padtemplate (factory, GST_PADTEMPLATE_GET (audio_sink_factory));
- gst_elementfactory_add_padtemplate (factory, GST_PADTEMPLATE_GET (video_sink_factory));
+ gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (src_factory));
+ gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (audio_sink_factory));
+ gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (video_sink_factory));
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));