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OGM text support, Matroska UTF-8 text support, deadlock fixes all over the place, subtitle awareness in decodebin/pla...

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Original commit message from CVS:
* configure.ac:
* ext/ogg/gstoggdemux.c: (gst_ogg_pad_new):
* ext/ogg/gstogmparse.c: (gst_ogm_text_parse_get_type),
(gst_ogm_text_parse_base_init), (gst_ogm_text_parse_init),
(gst_ogm_parse_get_sink_querytypes), (gst_ogm_parse_sink_convert),
(gst_ogm_parse_sink_query), (gst_ogm_parse_chain),
(gst_ogm_parse_plugin_init):
* ext/pango/gsttextoverlay.c: (gst_textoverlay_linkedpads),
(gst_textoverlay_link), (gst_textoverlay_getcaps),
(gst_textoverlay_event), (gst_textoverlay_video_chain),
(gst_textoverlay_loop), (gst_textoverlay_init), (plugin_init):
* ext/pango/gsttextoverlay.h:
* gst/matroska/matroska-demux.c: (gst_matroska_demux_add_stream),
(gst_matroska_demux_handle_seek_event),
(gst_matroska_demux_sync_streams),
(gst_matroska_demux_parse_blockgroup),
(gst_matroska_demux_subtitle_caps),
(gst_matroska_demux_plugin_init):
* gst/matroska/matroska-ids.h:
* gst/playback/gstdecodebin.c: (close_pad_link):
* gst/playback/gstplaybasebin.c: (gst_play_base_bin_init),
(gen_preroll_element), (remove_groups), (add_stream),
(new_decoded_pad), (setup_subtitles), (gen_source_element),
(setup_source):
* gst/playback/gstplaybasebin.h:
* gst/playback/gstplaybin.c: (gen_text_element), (setup_sinks):
* gst/subparse/Makefile.am:
* gst/subparse/gstsubparse.c: (gst_subparse_get_type),
(gst_subparse_base_init), (gst_subparse_class_init),
(gst_subparse_init), (gst_subparse_formats),
(gst_subparse_eventmask), (gst_subparse_event),
(gst_subparse_handle_event), (convert_encoding), (get_next_line),
(parse_mdvdsub), (parse_mdvdsub_init), (parse_subrip),
(parse_subrip_deinit), (parse_subrip_init), (parse_mpsub),
(parse_mpsub_deinit), (parse_mpsub_init),
(gst_subparse_buffer_format_autodetect),
(gst_subparse_format_autodetect), (gst_subparse_loop),
(gst_subparse_change_state), (gst_subparse_type_find),
(plugin_init):
* gst/subparse/gstsubparse.h:
* gst/typefind/gsttypefindfunctions.c: (ogmtext_type_find),
(plugin_init):
Add subtitle support, .sub parser (supports SRT and MPsub),
OGM text support, Matroska UTF-8 text support, deadlock fixes
all over the place, subtitle awareness in decodebin/playbin
and some fixes to textoverlay to handle subtitles in a stream
correctly. Fixes #100931.
This commit is contained in:
Ronald S. Bultje 2005-01-08 18:22:41 +00:00
parent 978b6a577f
commit 65262fe081
6 changed files with 311 additions and 50 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

50
ChangeLog
View file

@ -1,3 +1,53 @@
2005-01-08 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
* configure.ac:
* ext/ogg/gstoggdemux.c: (gst_ogg_pad_new):
* ext/ogg/gstogmparse.c: (gst_ogm_text_parse_get_type),
(gst_ogm_text_parse_base_init), (gst_ogm_text_parse_init),
(gst_ogm_parse_get_sink_querytypes), (gst_ogm_parse_sink_convert),
(gst_ogm_parse_sink_query), (gst_ogm_parse_chain),
(gst_ogm_parse_plugin_init):
* ext/pango/gsttextoverlay.c: (gst_textoverlay_linkedpads),
(gst_textoverlay_link), (gst_textoverlay_getcaps),
(gst_textoverlay_event), (gst_textoverlay_video_chain),
(gst_textoverlay_loop), (gst_textoverlay_init), (plugin_init):
* ext/pango/gsttextoverlay.h:
* gst/matroska/matroska-demux.c: (gst_matroska_demux_add_stream),
(gst_matroska_demux_handle_seek_event),
(gst_matroska_demux_sync_streams),
(gst_matroska_demux_parse_blockgroup),
(gst_matroska_demux_subtitle_caps),
(gst_matroska_demux_plugin_init):
* gst/matroska/matroska-ids.h:
* gst/playback/gstdecodebin.c: (close_pad_link):
* gst/playback/gstplaybasebin.c: (gst_play_base_bin_init),
(gen_preroll_element), (remove_groups), (add_stream),
(new_decoded_pad), (setup_subtitles), (gen_source_element),
(setup_source):
* gst/playback/gstplaybasebin.h:
* gst/playback/gstplaybin.c: (gen_text_element), (setup_sinks):
* gst/subparse/Makefile.am:
* gst/subparse/gstsubparse.c: (gst_subparse_get_type),
(gst_subparse_base_init), (gst_subparse_class_init),
(gst_subparse_init), (gst_subparse_formats),
(gst_subparse_eventmask), (gst_subparse_event),
(gst_subparse_handle_event), (convert_encoding), (get_next_line),
(parse_mdvdsub), (parse_mdvdsub_init), (parse_subrip),
(parse_subrip_deinit), (parse_subrip_init), (parse_mpsub),
(parse_mpsub_deinit), (parse_mpsub_init),
(gst_subparse_buffer_format_autodetect),
(gst_subparse_format_autodetect), (gst_subparse_loop),
(gst_subparse_change_state), (gst_subparse_type_find),
(plugin_init):
* gst/subparse/gstsubparse.h:
* gst/typefind/gsttypefindfunctions.c: (ogmtext_type_find),
(plugin_init):
Add subtitle support, .sub parser (supports SRT and MPsub),
OGM text support, Matroska UTF-8 text support, deadlock fixes
all over the place, subtitle awareness in decodebin/playbin
and some fixes to textoverlay to handle subtitles in a stream
correctly. Fixes #100931.
2005-01-08 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
* ext/vorbis/vorbisdec.c: (vorbis_dec_src_query):

2
configure.ac
View file

@ -408,6 +408,7 @@ GST_PLUGINS_ALL="\
spectrum \
speed \
stereo \
subparse \
switch \
synaesthesia \
tags \
@ -1972,6 +1973,7 @@ gst/smpte/Makefile
gst/spectrum/Makefile
gst/speed/Makefile
gst/stereo/Makefile
gst/subparse/Makefile
gst/switch/Makefile
gst/synaesthesia/Makefile
gst/tags/Makefile

238
ext/pango/gsttextoverlay.c
View file

@ -24,6 +24,9 @@
#include <gst/gst.h>
#include "gsttextoverlay.h"
GST_DEBUG_CATEGORY_STATIC (pango_debug);
#define GST_CAT_DEFAULT pango_debug
static GstElementDetails textoverlay_details = {
"Text Overlay",
"Filter/Editor/Video",
@ -224,23 +227,78 @@ render_text (GstTextOverlay * overlay)
/* return GST_PAD_LINK_DONE; */
/* } */
static GstPadLinkReturn
gst_textoverlay_video_sinkconnect (GstPad * pad, const GstCaps * caps)
static GList *
gst_textoverlay_linkedpads (GstPad * pad)
{
GstPad *otherpad;
GstTextOverlay *overlay;
GstStructure *structure;
overlay = GST_TEXTOVERLAY (gst_pad_get_parent (pad));
if (pad == overlay->text_sinkpad)
return NULL;
otherpad = (pad == overlay->video_sinkpad) ?
overlay->srcpad : overlay->video_sinkpad;
return g_list_append (NULL, otherpad);
}
static GstPadLinkReturn
gst_textoverlay_link (GstPad * pad, const GstCaps * caps)
{
GstPad *otherpad;
GstTextOverlay *overlay;
GstStructure *structure;
GstPadLinkReturn ret;
overlay = GST_TEXTOVERLAY (gst_pad_get_parent (pad));
otherpad = (pad == overlay->video_sinkpad) ?
overlay->srcpad : overlay->video_sinkpad;
ret = gst_pad_try_set_caps (otherpad, caps);
if (GST_PAD_LINK_FAILED (ret))
return ret;
structure = gst_caps_get_structure (caps, 0);
overlay->width = overlay->height = 0;
gst_structure_get_int (structure, "width", &overlay->width);
gst_structure_get_int (structure, "height", &overlay->height);
return gst_pad_try_set_caps (overlay->srcpad, caps);
return ret;
}
static GstCaps *
gst_textoverlay_getcaps (GstPad * pad)
{
GstPad *otherpad;
GstTextOverlay *overlay;
GstCaps *caps, *rcaps;
const GstCaps *tcaps;
overlay = GST_TEXTOVERLAY (gst_pad_get_parent (pad));
otherpad = (pad == overlay->video_sinkpad) ?
overlay->srcpad : overlay->video_sinkpad;
caps = gst_pad_get_allowed_caps (otherpad);
tcaps = gst_pad_get_pad_template_caps (pad);
rcaps = gst_caps_intersect (caps, tcaps);
gst_caps_free (caps);
return rcaps;
}
static gboolean
gst_textoverlay_event (GstPad * pad, GstEvent * event)
{
GstTextOverlay *overlay = GST_TEXTOVERLAY (gst_pad_get_parent (pad));
if (GST_EVENT_TYPE (event) == GST_EVENT_SEEK &&
GST_PAD_IS_LINKED (overlay->text_sinkpad)) {
gst_event_ref (event);
gst_pad_send_event (GST_PAD_PEER (overlay->text_sinkpad), event);
}
return gst_pad_send_event (GST_PAD_PEER (overlay->video_sinkpad), event);
}
static void
gst_text_overlay_blit_yuv420 (GstTextOverlay * overlay, FT_Bitmap * bitmap,
@ -353,9 +411,9 @@ gst_textoverlay_video_chain (GstPad * pad, GstData * _data)
y0 = overlay->y0;
switch (overlay->valign) {
case GST_TEXT_OVERLAY_VALIGN_BOTTOM:
y0 += overlay->bitmap.rows;
y0 = overlay->height - overlay->bitmap.rows - y0;
break;
case GST_TEXT_OVERLAY_VALIGN_BASELINE:
case GST_TEXT_OVERLAY_VALIGN_BASELINE: /* ? */
y0 -= (overlay->bitmap.rows - overlay->baseline_y);
break;
case GST_TEXT_OVERLAY_VALIGN_TOP:
@ -366,10 +424,10 @@ gst_textoverlay_video_chain (GstPad * pad, GstData * _data)
case GST_TEXT_OVERLAY_HALIGN_LEFT:
break;
case GST_TEXT_OVERLAY_HALIGN_RIGHT:
x0 -= overlay->bitmap.width;
x0 = overlay->width - overlay->bitmap.width - x0;
break;
case GST_TEXT_OVERLAY_HALIGN_CENTER:
x0 -= overlay->bitmap.width / 2;
x0 = (overlay->width - overlay->bitmap.width) / 2;
break;
}
@ -379,10 +437,19 @@ gst_textoverlay_video_chain (GstPad * pad, GstData * _data)
gst_pad_push (overlay->srcpad, GST_DATA (buf));
}
#define PAST_END(buffer, time) \
(GST_BUFFER_TIMESTAMP (buffer) != GST_CLOCK_TIME_NONE && \
GST_BUFFER_DURATION (buffer) != GST_CLOCK_TIME_NONE && \
GST_BUFFER_TIMESTAMP (buffer) + GST_BUFFER_DURATION (buffer) \
#define GST_DATA_TIMESTAMP(data) \
(GST_IS_EVENT (data) ? \
GST_EVENT_TIMESTAMP (GST_EVENT (data)) : \
GST_BUFFER_TIMESTAMP (GST_BUFFER (data)))
#define GST_DATA_DURATION(data) \
(GST_IS_EVENT (data) ? \
gst_event_filler_get_duration (GST_EVENT (data)) : \
GST_BUFFER_DURATION (GST_BUFFER (data)))
#define PAST_END(data, time) \
(GST_DATA_TIMESTAMP (data) != GST_CLOCK_TIME_NONE && \
GST_DATA_DURATION (data) != GST_CLOCK_TIME_NONE && \
GST_DATA_TIMESTAMP (data) + GST_DATA_DURATION (data) \
< (time))
static void
@ -396,8 +463,36 @@ gst_textoverlay_loop (GstElement * element)
g_return_if_fail (GST_IS_TEXTOVERLAY (element));
overlay = GST_TEXTOVERLAY (element);
video_frame = GST_BUFFER (gst_pad_pull (overlay->video_sinkpad));
do {
GST_DEBUG ("Attempting to pull next video frame");
video_frame = GST_BUFFER (gst_pad_pull (overlay->video_sinkpad));
if (GST_IS_EVENT (video_frame)) {
GstEvent *event = GST_EVENT (video_frame);
GstEventType type = GST_EVENT_TYPE (event);
gst_pad_event_default (overlay->video_sinkpad, event);
GST_DEBUG ("Received event of type %d", type);
if (type == GST_EVENT_INTERRUPT)
return;
else if (type == GST_EVENT_EOS) {
/* EOS text stream */
GstData *data = NULL;
do {
if (data)
gst_data_unref (data);
data = gst_pad_pull (overlay->text_sinkpad);
} while (!GST_IS_EVENT (data) ||
GST_EVENT_TYPE (data) == GST_EVENT_EOS);
gst_data_unref (data);
return;
}
video_frame = NULL;
}
} while (!video_frame);
now = GST_BUFFER_TIMESTAMP (video_frame);
GST_DEBUG ("Got video frame, time=%" GST_TIME_FORMAT, GST_TIME_ARGS (now));
/*
* This state machine has a bug that can't be resolved easily.
@ -410,49 +505,89 @@ gst_textoverlay_loop (GstElement * element)
* buffer timestamps and durations correctly. (I think)
*/
while (overlay->next_buffer == NULL) {
GST_DEBUG ("attempting to pull a buffer");
while ((!overlay->current_data ||
PAST_END (overlay->current_data, now)) &&
overlay->next_data == NULL) {
GST_DEBUG ("attempting to pull text data");
/* read all text buffers until we get one "in the future" */
if (!GST_PAD_IS_USABLE (overlay->text_sinkpad)) {
break;
}
overlay->next_buffer = GST_BUFFER (gst_pad_pull (overlay->text_sinkpad));
if (!overlay->next_buffer)
break;
do {
overlay->next_data = gst_pad_pull (overlay->text_sinkpad);
if (GST_IS_EVENT (overlay->next_data) &&
GST_EVENT_TYPE (overlay->next_data) != GST_EVENT_FILLER) {
GstEvent *event = GST_EVENT (overlay->next_data);
GstEventType type = GST_EVENT_TYPE (event);
if (PAST_END (overlay->next_buffer, now)) {
gst_buffer_unref (overlay->next_buffer);
overlay->next_buffer = NULL;
gst_event_unref (event);
if (type == GST_EVENT_EOS)
break;
else if (type == GST_EVENT_INTERRUPT)
return;
overlay->next_data = NULL;
}
} while (!overlay->next_data);
if (PAST_END (overlay->next_data, now)) {
GST_DEBUG ("Received %s is past end (%" GST_TIME_FORMAT " + %"
GST_TIME_FORMAT " < %" GST_TIME_FORMAT ")",
GST_IS_EVENT (overlay->next_data) ? "event" : "buffer",
GST_TIME_ARGS (GST_DATA_TIMESTAMP (overlay->next_data)),
GST_TIME_ARGS (GST_DATA_DURATION (overlay->next_data)),
GST_TIME_ARGS (now));
gst_data_unref (overlay->next_data);
overlay->next_data = NULL;
} else {
GST_DEBUG ("Received new text %s of time %" GST_TIME_FORMAT
"and duration %" GST_TIME_FORMAT,
GST_IS_EVENT (overlay->next_data) ? "event" : "buffer",
GST_TIME_ARGS (GST_DATA_TIMESTAMP (overlay->next_data)),
GST_TIME_ARGS (GST_DATA_DURATION (overlay->next_data)));
}
}
if (overlay->next_buffer &&
(GST_BUFFER_TIMESTAMP (overlay->next_buffer) <= now ||
GST_BUFFER_TIMESTAMP (overlay->next_buffer) == GST_CLOCK_TIME_NONE)) {
GST_DEBUG ("using new buffer");
if (overlay->next_data &&
(GST_DATA_TIMESTAMP (overlay->next_data) <= now ||
GST_DATA_TIMESTAMP (overlay->next_data) == GST_CLOCK_TIME_NONE)) {
GST_DEBUG ("using new %s",
GST_IS_EVENT (overlay->next_data) ? "event" : "buffer");
if (overlay->current_buffer) {
gst_buffer_unref (overlay->current_buffer);
if (overlay->current_data) {
gst_data_unref (overlay->current_data);
}
overlay->current_buffer = overlay->next_buffer;
overlay->next_buffer = NULL;
overlay->current_data = overlay->next_data;
overlay->next_data = NULL;
GST_DEBUG ("rendering '%*s'",
GST_BUFFER_SIZE (overlay->current_buffer),
GST_BUFFER_DATA (overlay->current_buffer));
pango_layout_set_markup (overlay->layout,
GST_BUFFER_DATA (overlay->current_buffer),
GST_BUFFER_SIZE (overlay->current_buffer));
if (GST_IS_BUFFER (overlay->current_data)) {
guint size = GST_BUFFER_SIZE (overlay->current_data);
guint8 *data = GST_BUFFER_DATA (overlay->current_data);
while (size > 0 &&
(data[size - 1] == '\r' ||
data[size - 1] == '\n' || data[size - 1] == '\0'))
size--;
GST_DEBUG ("rendering '%*s'", size,
GST_BUFFER_DATA (overlay->current_data));
/* somehow pango barfs over "\0" buffers... */
pango_layout_set_markup (overlay->layout,
GST_BUFFER_DATA (overlay->current_data), size);
} else {
GST_DEBUG ("Filler - no data");
pango_layout_set_markup (overlay->layout, "", 0);
}
render_text (overlay);
overlay->need_render = FALSE;
}
if (overlay->current_buffer && PAST_END (overlay->current_buffer, now)) {
GST_DEBUG ("dropping old buffer");
if (overlay->current_data && PAST_END (overlay->current_data, now)) {
GST_DEBUG ("dropping old %s",
GST_IS_EVENT (overlay->current_data) ? "event" : "buffer");
gst_buffer_unref (overlay->current_buffer);
overlay->current_buffer = NULL;
gst_buffer_unref (overlay->current_data);
overlay->current_data = NULL;
overlay->need_render = TRUE;
}
@ -515,22 +650,30 @@ gst_textoverlay_init (GstTextOverlay * overlay)
overlay->video_sinkpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&video_sink_template_factory), "video_sink");
/* gst_pad_set_chain_function(overlay->video_sinkpad, gst_textoverlay_video_chain); */
gst_pad_set_link_function (overlay->video_sinkpad,
gst_textoverlay_video_sinkconnect);
gst_pad_set_link_function (overlay->video_sinkpad, gst_textoverlay_link);
gst_pad_set_getcaps_function (overlay->video_sinkpad,
gst_textoverlay_getcaps);
gst_pad_set_internal_link_function (overlay->video_sinkpad,
gst_textoverlay_linkedpads);
gst_element_add_pad (GST_ELEMENT (overlay), overlay->video_sinkpad);
/* text sink */
overlay->text_sinkpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&text_sink_template_factory), "text_sink");
/* gst_pad_set_link_function(overlay->text_sinkpad, gst_textoverlay_text_sinkconnect); */
gst_pad_set_internal_link_function (overlay->text_sinkpad,
gst_textoverlay_linkedpads);
gst_element_add_pad (GST_ELEMENT (overlay), overlay->text_sinkpad);
/* (video) source */
overlay->srcpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&textoverlay_src_template_factory), "src");
gst_pad_set_link_function (overlay->srcpad, gst_textoverlay_link);
gst_pad_set_getcaps_function (overlay->srcpad, gst_textoverlay_getcaps);
gst_pad_set_internal_link_function (overlay->srcpad,
gst_textoverlay_linkedpads);
gst_pad_set_event_function (overlay->srcpad, gst_textoverlay_event);
gst_element_add_pad (GST_ELEMENT (overlay), overlay->srcpad);
overlay->layout =
@ -539,12 +682,14 @@ gst_textoverlay_init (GstTextOverlay * overlay)
overlay->halign = GST_TEXT_OVERLAY_HALIGN_CENTER;
overlay->valign = GST_TEXT_OVERLAY_VALIGN_BASELINE;
overlay->x0 = overlay->y0 = 0;
overlay->x0 = overlay->y0 = 25;
overlay->default_text = g_strdup ("");
overlay->need_render = TRUE;
gst_element_set_loop_function (GST_ELEMENT (overlay), gst_textoverlay_loop);
GST_FLAG_SET (overlay, GST_ELEMENT_EVENT_AWARE);
}
@ -647,6 +792,9 @@ plugin_init (GstPlugin * plugin)
/*texttestsrc_plugin_init(module, plugin); */
/*subparse_plugin_init(module, plugin); */
GST_DEBUG_CATEGORY_INIT (pango_debug, "pango", 0, "Pango elements");
return TRUE;
}

4
ext/pango/gsttextoverlay.h
View file

@ -54,8 +54,8 @@ struct _GstTextOverlay {
GstTextOverlayHAlign halign;
gint x0;
gint y0;
GstBuffer *current_buffer;
GstBuffer *next_buffer;
GstData *current_data;
GstData *next_data;
gchar *default_text;
gboolean need_render;
};

64
gst/matroska/matroska-demux.c
View file

@ -313,6 +313,7 @@ gst_matroska_demux_add_stream (GstMatroskaDemux * demux)
context->index = demux->num_streams;
context->type = 0; /* no type yet */
context->default_duration = 0;
context->pos = 0;
demux->num_streams++;
/* start with the master */
@ -1099,7 +1100,9 @@ gst_matroska_demux_handle_seek_event (GstMatroskaDemux * demux)
gst_event_ref (event);
gst_pad_push (demux->src[i]->pad, GST_DATA (event));
}
demux->src[i]->pos = entry->time;
}
demux->pos = entry->time;
gst_event_unref (event);
@ -1741,6 +1744,47 @@ gst_matroska_ebmlnum_sint (guint8 * data, guint size, gint64 * num)
return res;
}
/*
* Mostly used for subtitles. We add void filler data for each
* lagging stream to make sure we don't deadlock.
*/
static void
gst_matroska_demux_sync_streams (GstMatroskaDemux * demux)
{
gint stream_nr;
GstMatroskaTrackContext *context;
GST_DEBUG ("Sync to %" GST_TIME_FORMAT, GST_TIME_ARGS (demux->pos));
for (stream_nr = 0; stream_nr < demux->num_streams; stream_nr++) {
context = demux->src[stream_nr];
if (context->type != GST_MATROSKA_TRACK_TYPE_SUBTITLE)
continue;
GST_DEBUG ("Checking for resync on stream %d (%" GST_TIME_FORMAT ")",
stream_nr, GST_TIME_ARGS (context->pos));
/* does it lag? 1 second is a random treshold... */
if (context->pos + (GST_SECOND / 2) < demux->pos) {
/* send filler */
GstEvent *event;
event = gst_event_new_filler_stamped (context->pos,
demux->pos - context->pos);
context->pos = demux->pos;
/* sync */
GST_DEBUG ("Synchronizing stream %d with others by sending filler "
"at time %" GST_TIME_FORMAT " and duration %" GST_TIME_FORMAT
" to time %" GST_TIME_FORMAT, stream_nr,
GST_TIME_ARGS (context->pos),
GST_TIME_ARGS (demux->pos - context->pos),
GST_TIME_ARGS (demux->pos));
gst_pad_push (context->pad, GST_DATA (event));
}
}
}
static gboolean
gst_matroska_demux_parse_blockgroup (GstMatroskaDemux * demux,
guint64 cluster_time)
@ -1982,13 +2026,22 @@ gst_matroska_demux_parse_blockgroup (GstMatroskaDemux * demux,
GST_BUFFER_TIMESTAMP (sub) = cluster_time;
else
GST_BUFFER_TIMESTAMP (sub) = cluster_time + time;
demux->pos = GST_BUFFER_TIMESTAMP (sub);
}
gst_matroska_demux_sync_streams (demux);
demux->src[stream]->pos = demux->pos;
/* do all laces have the same lenght? */
/* FIXME: do all laces have the same lenght? */
if (duration) {
GST_BUFFER_DURATION (sub) = duration / laces;
demux->src[stream]->pos += GST_BUFFER_DURATION (sub);
}
GST_DEBUG ("Pushing data of size %d for stream %d, time=%"
GST_TIME_FORMAT " and duration=%" GST_TIME_FORMAT,
GST_BUFFER_SIZE (sub), stream,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (sub)),
GST_TIME_ARGS (GST_BUFFER_DURATION (sub)));
gst_pad_push (demux->src[stream]->pad, GST_DATA (sub));
size -= lace_size[n];
@ -2800,9 +2853,13 @@ static GstCaps *
gst_matroska_demux_subtitle_caps (GstMatroskaTrackSubtitleContext *
subtitlecontext, const gchar * codec_id, gpointer data, guint size)
{
/*GstMatroskaTrackContext *context =
(GstMatroskaTrackContext *) subtitlecontext; */
GstCaps *caps = NULL;
//..
if (!strcmp (codec_id, GST_MATROSKA_CODEC_ID_SUBTITLE_UTF8)) {
caps = gst_caps_new_simple ("text/plain", NULL);
}
return caps;
}
@ -2862,7 +2919,8 @@ gst_matroska_demux_plugin_init (GstPlugin * plugin)
/* FILLME */
NULL,}
, *subtitle_id[] = {
/* FILLME */
GST_MATROSKA_CODEC_ID_SUBTITLE_UTF8,
/* FILLME */
NULL,};
/* this filter needs the riff parser */

3
gst/matroska/matroska-ids.h
View file

@ -153,6 +153,8 @@
#define GST_MATROSKA_CODEC_ID_AUDIO_TTA "A_TTA1"
/* TODO: AC3-9/10 (?), Real, Musepack, Quicktime */
#define GST_MATROSKA_CODEC_ID_SUBTITLE_UTF8 "S_TEXT/UTF8"
/*
* Matrodka tags. Strings.
*/
@ -223,6 +225,7 @@ typedef struct _GstMatroskaTrackContext {
guint uid, num;
GstMatroskaTrackFlags flags;
guint64 default_duration;
guint64 pos;
} GstMatroskaTrackContext;
typedef struct _GstMatroskaTrackVideoContext {