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mpegtsmux: Corrections around Teletext handling

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8966>
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Glyn Davies 2025-05-12 11:31:32 +01:00 committed by GStreamer Marge Bot
parent 39a6ecf56a
commit 607d24dfc6
1 changed files with 14 additions and 10 deletions
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24
subprojects/gst-plugins-bad/gst/mpegtsmux/tsmux/tsmuxstream.c
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@ -212,7 +212,12 @@ tsmux_stream_new (guint16 pid, guint stream_type, guint stream_number)
case TSMUX_ST_PS_TELETEXT: case TSMUX_ST_PS_TELETEXT:
/* needs fixes PES header length */ /* needs fixes PES header length */
stream->pi.pes_header_length = 36; stream->pi.pes_header_length = 36;
/* fall through */ stream->id = 0xBD;
stream->stream_type = TSMUX_ST_PRIVATE_DATA;
stream->pi.flags |=
TSMUX_PACKET_FLAG_PES_FULL_HEADER |
TSMUX_PACKET_FLAG_PES_DATA_ALIGNMENT;
break;
case TSMUX_ST_PS_DVB_SUBPICTURE: case TSMUX_ST_PS_DVB_SUBPICTURE:
/* private stream 1 */ /* private stream 1 */
stream->id = 0xBD; stream->id = 0xBD;
@ -965,15 +970,6 @@ tsmux_stream_default_get_es_descrs (TsMuxStream * stream,
case TSMUX_ST_PS_AUDIO_LPCM: case TSMUX_ST_PS_AUDIO_LPCM:
/* FIXME */ /* FIXME */
break; break;
case TSMUX_ST_PS_TELETEXT:
/* FIXME empty descriptor for now;
* should be provided by upstream in event or so ? */
descriptor =
gst_mpegts_descriptor_from_custom (GST_MTS_DESC_DVB_TELETEXT, 0, 1);
g_ptr_array_add (pmt_stream->descriptors, descriptor);
break;
case TSMUX_ST_PES_METADATA: case TSMUX_ST_PES_METADATA:
if (stream->internal_stream_type == TSMUX_ST_PS_ID3) { if (stream->internal_stream_type == TSMUX_ST_PS_ID3) {
@ -1060,6 +1056,14 @@ tsmux_stream_default_get_es_descrs (TsMuxStream * stream,
if (stream->pmt_descriptor) if (stream->pmt_descriptor)
g_ptr_array_add (pmt_stream->descriptors, stream->pmt_descriptor); g_ptr_array_add (pmt_stream->descriptors, stream->pmt_descriptor);
} }
if (stream->internal_stream_type == TSMUX_ST_PS_TELETEXT) {
// FIXME empty descriptor for now;
// How should this be signalled from upstream?
// Definitions in EN300468 - 6.2.43 Teletext descriptor
descriptor =
gst_mpegts_descriptor_from_custom (GST_MTS_DESC_DVB_TELETEXT, 0, 1);
g_ptr_array_add (pmt_stream->descriptors, descriptor);
}
default: default:
break; break;
} }