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mssdemux: add timescale to the caps

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This is important for downstream to properly timestamp the samples

The default value is 10000000, but this can be set in the stream
or at the top-level manifest entry
This commit is contained in:
Thiago Santos 2012-12-20 15:30:06 -03:00
parent 68d2719c9f
commit 3f15c9b05a
3 changed files with 32 additions and 4 deletions
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4
ext/smoothstreaming/gstmssdemux.c
View file

@ -349,7 +349,9 @@ gst_mss_demux_expose_stream (GstMssDemux * mssdemux, GstMssDemuxStream * stream)
media_caps = gst_mss_stream_get_caps (stream->manifest_stream);
caps = gst_caps_new_simple ("video/quicktime", "variant", G_TYPE_STRING,
"mss-fragmented", "media-caps", GST_TYPE_CAPS, media_caps, NULL);
"mss-fragmented", "timescale", G_TYPE_UINT64,
gst_mss_stream_get_timescale (stream->manifest_stream), "media-caps",
GST_TYPE_CAPS, media_caps, NULL);
gst_caps_unref (media_caps);
if (caps) {

31
ext/smoothstreaming/gstmssmanifest.c
View file

@ -30,6 +30,8 @@
#include "gstmssmanifest.h"
#define DEFAULT_TIMESCALE 10000000
#define MSS_NODE_STREAM_FRAGMENT "c"
#define MSS_NODE_STREAM_QUALITY "QualityLevel"
@ -37,6 +39,7 @@
#define MSS_PROP_DURATION "d"
#define MSS_PROP_NUMBER "n"
#define MSS_PROP_TIME "t"
#define MSS_PROP_TIMESCALE "TimeScale"
#define MSS_PROP_URL "Url"
/* TODO check if atoi is successful? */
@ -439,18 +442,40 @@ end:
return caps;
}
guint64
gst_mss_stream_get_timescale (GstMssStream * stream)
{
gchar *timescale;
guint64 ts = DEFAULT_TIMESCALE;
timescale =
(gchar *) xmlGetProp (stream->xmlnode, (xmlChar *) MSS_PROP_TIMESCALE);
if (!timescale) {
timescale =
(gchar *) xmlGetProp (stream->xmlnode->parent,
(xmlChar *) MSS_PROP_TIMESCALE);
}
if (timescale) {
ts = strtoull (timescale, NULL, 10);
g_free (timescale);
}
return ts;
}
GstCaps *
gst_mss_stream_get_caps (GstMssStream * stream)
{
GstMssStreamType streamtype = gst_mss_stream_get_type (stream);
xmlNodePtr qualitylevel = stream->current_quality->data;
GstCaps *caps = NULL;
if (streamtype == MSS_STREAM_TYPE_VIDEO)
return _gst_mss_stream_video_caps_from_qualitylevel_xml (qualitylevel);
caps = _gst_mss_stream_video_caps_from_qualitylevel_xml (qualitylevel);
else if (streamtype == MSS_STREAM_TYPE_AUDIO)
return _gst_mss_stream_audio_caps_from_qualitylevel_xml (qualitylevel);
caps = _gst_mss_stream_audio_caps_from_qualitylevel_xml (qualitylevel);
return NULL;
return caps;
}
GstFlowReturn

1
ext/smoothstreaming/gstmssmanifest.h
View file

@ -44,6 +44,7 @@ GSList * gst_mss_manifest_get_streams (GstMssManifest * manifest);
GstMssStreamType gst_mss_stream_get_type (GstMssStream *stream);
GstCaps * gst_mss_stream_get_caps (GstMssStream * stream);
guint64 gst_mss_stream_get_timescale (GstMssStream * stream);
GstFlowReturn gst_mss_stream_get_fragment_url (GstMssStream * stream, gchar ** url);
GstFlowReturn gst_mss_stream_advance_fragment (GstMssStream * stream);