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mpegtsparse: detect AC3 streams in PMT table

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add 'has-ac3' boolean to pmt bus message
This commit is contained in:
Zaheer Abbas Merali 2009-04-10 19:06:55 +02:00
parent 39d6074539
commit c5825f9e1d
1 changed files with 12 additions and 0 deletions
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12
gst/mpegdemux/mpegtspacketizer.c
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@ -502,6 +502,17 @@ mpegts_packetizer_parse_pmt (MpegTSPacketizer * packetizer,
g_free (struct_name); g_free (struct_name);
if (stream_info_length) { if (stream_info_length) {
/* check for AC3 descriptor */
GstMPEGDescriptor *desc =
gst_mpeg_descriptor_parse (data, stream_info_length);
if (desc != NULL) {
if (gst_mpeg_descriptor_find (desc, DESC_DVB_AC3)) {
gst_structure_set (stream_info, "has-ac3", G_TYPE_BOOLEAN, TRUE,
NULL);
}
gst_mpeg_descriptor_free (desc);
}
descriptors = g_value_array_new (0); descriptors = g_value_array_new (0);
if (!mpegts_packetizer_parse_descriptors (packetizer, if (!mpegts_packetizer_parse_descriptors (packetizer,
&data, data + stream_info_length, descriptors)) { &data, data + stream_info_length, descriptors)) {
@ -514,6 +525,7 @@ mpegts_packetizer_parse_pmt (MpegTSPacketizer * packetizer,
gst_structure_set (stream_info, gst_structure_set (stream_info,
"descriptors", G_TYPE_VALUE_ARRAY, descriptors, NULL); "descriptors", G_TYPE_VALUE_ARRAY, descriptors, NULL);
g_value_array_free (descriptors); g_value_array_free (descriptors);
} }
g_value_init (&stream_value, GST_TYPE_STRUCTURE); g_value_init (&stream_value, GST_TYPE_STRUCTURE);