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gst/matroska/: Recognise SSA/ASS and USF subtitle formats and set proper caps when they are found.

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Original commit message from CVS:
* gst/matroska/matroska-demux.c:
(gst_matroska_demux_subtitle_caps),
(gst_matroska_demux_plugin_init):
* gst/matroska/matroska-ids.h:
Recognise SSA/ASS and USF subtitle formats and
set proper caps when they are found.
This commit is contained in:
Tim-Philipp Müller 2006-02-18 17:20:48 +00:00
parent 495d5c58a7
commit d9f6178249
3 changed files with 40 additions and 0 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
2006-02-18 Tim-Philipp Müller <tim at centricular dot net>
* gst/matroska/matroska-demux.c:
(gst_matroska_demux_subtitle_caps),
(gst_matroska_demux_plugin_init):
* gst/matroska/matroska-ids.h:
Recognise SSA/ASS and USF subtitle formats and
set proper caps when they are found.
2006-02-17 Tim-Philipp Müller <tim at centricular dot net>
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_decode_direct),

28
gst/matroska/matroska-demux.c
View file

@ -3408,13 +3408,38 @@ gst_matroska_demux_subtitle_caps (GstMatroskaTrackSubtitleContext *
(GstMatroskaTrackContext *) subtitlecontext; */
GstCaps *caps = NULL;
/* for backwards compatibility */
if (!g_ascii_strcasecmp (codec_id, "S_TEXT/ASCII"))
codec_id = GST_MATROSKA_CODEC_ID_SUBTITLE_UTF8;
else if (!g_ascii_strcasecmp (codec_id, "S_SSA"))
codec_id = GST_MATROSKA_CODEC_ID_SUBTITLE_SSA;
else if (!g_ascii_strcasecmp (codec_id, "S_ASS"))
codec_id = GST_MATROSKA_CODEC_ID_SUBTITLE_ASS;
else if (!g_ascii_strcasecmp (codec_id, "S_USF"))
codec_id = GST_MATROSKA_CODEC_ID_SUBTITLE_USF;
if (!strcmp (codec_id, GST_MATROSKA_CODEC_ID_SUBTITLE_UTF8)) {
caps = gst_caps_new_simple ("text/plain", NULL);
} else if (!strcmp (codec_id, GST_MATROSKA_CODEC_ID_SUBTITLE_SSA)) {
caps = gst_caps_new_simple ("application/x-ssa", NULL);
} else if (!strcmp (codec_id, GST_MATROSKA_CODEC_ID_SUBTITLE_ASS)) {
caps = gst_caps_new_simple ("application/x-ass", NULL);
} else if (!strcmp (codec_id, GST_MATROSKA_CODEC_ID_SUBTITLE_USF)) {
caps = gst_caps_new_simple ("application/x-usf", NULL);
} else {
GST_DEBUG ("Unknown subtitle stream: codec_id='%s'", codec_id);
caps = gst_caps_new_simple ("application/x-subtitle-unknown", NULL);
}
if (data != NULL && size > 0) {
GstBuffer *buf;
buf = gst_buffer_new_and_alloc (size);
memcpy (GST_BUFFER_DATA (buf), data, size);
gst_caps_set_simple (caps, "codec_data", GST_TYPE_BUFFER, buf, NULL);
gst_buffer_unref (buf);
}
return caps;
}
@ -3501,6 +3526,9 @@ gst_matroska_demux_plugin_init (GstPlugin * plugin)
};
const gchar *subtitle_id[] = {
GST_MATROSKA_CODEC_ID_SUBTITLE_UTF8,
GST_MATROSKA_CODEC_ID_SUBTITLE_SSA,
GST_MATROSKA_CODEC_ID_SUBTITLE_ASS,
GST_MATROSKA_CODEC_ID_SUBTITLE_USF,
/* FILLME */
NULL
};

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

@ -168,6 +168,9 @@
/* TODO: AC3-9/10 (?), Musepack, Quicktime */
#define GST_MATROSKA_CODEC_ID_SUBTITLE_UTF8 "S_TEXT/UTF8"
#define GST_MATROSKA_CODEC_ID_SUBTITLE_SSA "S_TEXT/SSA"
#define GST_MATROSKA_CODEC_ID_SUBTITLE_ASS "S_TEXT/ASS"
#define GST_MATROSKA_CODEC_ID_SUBTITLE_USF "S_TEXT/USF"
/*
* Matrodka tags. Strings.