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tsdemux: Add language code to taglist.

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Read the language codes for tracks from the mpegts descriptors and add it into
the pads taglist.

https://bugzilla.gnome.org/show_bug.cgi?id=673896
This commit is contained in:
Julian Scheel 2012-04-10 12:36:15 +02:00 committed by Edward Hervey
parent 6bf54ff850
commit a0a184931a
1 changed files with 49 additions and 0 deletions
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49
gst/mpegtsdemux/tsdemux.c
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@ -35,6 +35,7 @@
#include <string.h>
#include <glib.h>
#include <gst/tag/tag.h>
#include "mpegtsbase.h"
#include "tsdemux.h"
@ -145,6 +146,8 @@ struct _TSDemuxStream
/* Whether this stream needs to send a newsegment */
gboolean need_newsegment;
GstTagList *taglist;
};
#define VIDEO_CAPS \
@ -622,6 +625,43 @@ done:
return ret;
}
static void
gst_ts_demux_create_tags (TSDemuxStream * stream)
{
guint8 *desc = NULL;
int i;
desc = mpegts_get_descriptor_from_stream ((MpegTSBaseStream *) stream,
DESC_ISO_639_LANGUAGE);
if (desc) {
if (!stream->taglist)
stream->taglist = gst_tag_list_new_empty ();
for (i = 0; i < DESC_ISO_639_LANGUAGE_codes_n (desc); i++) {
const gchar *lc;
gchar lang_code[4];
gchar *language_n;
language_n = (gchar *)
DESC_ISO_639_LANGUAGE_language_code_nth (desc, i);
GST_LOG ("Add language code for stream: %s", language_n);
lang_code[0] = language_n[0];
lang_code[1] = language_n[1];
lang_code[2] = language_n[2];
lang_code[3] = 0;
/* descriptor contains ISO 639-2 code, we want the ISO 639-1 code */
lc = gst_tag_get_language_code (lang_code);
gst_tag_list_add (stream->taglist, GST_TAG_MERGE_REPLACE,
GST_TAG_LANGUAGE_CODE, (lc) ? lc : lang_code, NULL);
}
g_free (desc);
}
}
static GstPad *
create_pad_for_stream (MpegTSBase * base, MpegTSBaseStream * bstream,
MpegTSBaseProgram * program)
@ -633,6 +673,7 @@ create_pad_for_stream (MpegTSBase * base, MpegTSBaseStream * bstream,
guint8 *desc = NULL;
GstPad *pad = NULL;
gst_ts_demux_create_tags (stream);
GST_LOG ("Attempting to create pad for stream 0x%04x with stream_type %d",
bstream->pid, bstream->stream_type);
@ -1420,6 +1461,14 @@ push_new_segment:
gst_pad_push_event (stream->pad, demux->segment_event);
}
/* Push pending tags */
if (stream->taglist) {
GST_DEBUG_OBJECT (stream->pad, "Sending tags %" GST_PTR_FORMAT,
stream->taglist);
gst_pad_push_event (stream->pad, gst_event_new_tag (stream->taglist));
stream->taglist = NULL;
}
stream->need_newsegment = FALSE;
}