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- better detection of audio/video stream for files not produced by real official codec

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Original commit message from CVS:

- better detection of audio/video stream for files not produced by real official codec
- enable parsing of CONT sections (a text field, sort of title for the file)
- modify ac3 audio output a bit
This commit is contained in:
Stéphane Loeuillet 2004-10-04 18:27:54 +00:00
parent 48de359944
commit 58fb0b6288
1 changed files with 17 additions and 7 deletions
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24
gst/realmedia/rmdemux.c
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@ -558,7 +558,9 @@ gst_rmdemux_add_stream (GstRMDemux * rmdemux, GstRMDemuxStream * stream)
/* DolbyNet (Dolby AC3, low bitrate) */
case GST_RM_AUD_DNET:
stream->caps = gst_caps_new_simple ("audio/x-ac3", NULL);
stream->caps =
gst_caps_new_simple ("audio/x-ac3", "rate", G_TYPE_INT,
(int) stream->rate, NULL);
break;
/* MPEG-4 based */
@ -759,11 +761,18 @@ gst_rmdemux_parse_mdpr (GstRMDemux * rmdemux, void *data, int length)
offset += re_skip_pascal_string (data + offset);
stream2_type_string = re_get_pascal_string (data + offset);
offset += re_skip_pascal_string (data + offset);
/* It could either be "Video Stream" or "The Video Stream",
same thing for Audio */
if (strstr (stream1_type_string, "Video Stream")) {
/* stream1_type_string for audio and video stream is a "put_whatever_you_want" field :
observed values :
- "[The ]Video/Audio Stream" (File produced by an official Real encoder)
- "RealVideoPremierePlugIn-VIDEO/AUDIO" (File produced by Abobe Premiere)
so, we should not rely on it to know which stream type it is
*/
if (strcmp (stream2_type_string, "video/x-pn-realvideo") == 0) {
stream_type = GST_RMDEMUX_STREAM_VIDEO;
} else if (strstr (stream1_type_string, "Audio Stream")) {
} else if (strcmp (stream2_type_string, "audio/x-pn-realaudio") == 0) {
stream_type = GST_RMDEMUX_STREAM_AUDIO;
} else if (strcmp (stream1_type_string, "") == 0 &&
strcmp (stream2_type_string, "logical-fileinfo") == 0) {
@ -1033,9 +1042,10 @@ gst_rmdemux_dump_data (GstRMDemux * rmdemux, void *data, int length)
static void
gst_rmdemux_parse_cont (GstRMDemux * rmdemux, void *data, int length)
{
// int offset = 0;
int offset = 0;
// offset += re_dump_pascal_string ( data + offset + 3 );
GST_DEBUG ("File Content : (CONT)");
offset += re_dump_pascal_string (data + offset + 3);
}
static void