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matroskamux: Add context flag for WebM

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WebM has a couple of specific requirements we need to handle.
Idea is to set this flag once and just rely on mux->is_webm
at run time instead of repeatedly figuring this out from
GST_MATROSKA_DOCTYPE_WEBM (which requires a strcmp()).
This commit is contained in:
Reynaldo H. Verdejo Pinochet 2013-10-06 09:17:00 -07:00
parent edeed575ae
commit 1cb31eeacc
3 changed files with 6 additions and 7 deletions
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9
gst/matroska/matroska-mux.c
View file

@ -2481,7 +2481,6 @@ gst_matroska_mux_start (GstMatroskaMux * mux)
};
const gchar *media_type;
gboolean audio_only;
gboolean is_webm = FALSE;
guint64 master, child;
GSList *collected;
int i;
@ -2522,13 +2521,9 @@ gst_matroska_mux_start (GstMatroskaMux * mux)
g_snprintf (s_id, sizeof (s_id), "matroskamux-%08x", g_random_int ());
gst_pad_push_event (mux->srcpad, gst_event_new_stream_start (s_id));
/* Are we muxing a WebM stream? */
if (!strcmp (mux->doctype, GST_MATROSKA_DOCTYPE_WEBM)) {
is_webm = TRUE;
}
/* output caps */
audio_only = mux->num_v_streams == 0 && mux->num_a_streams > 0;
if (is_webm) {
if (mux->is_webm) {
media_type = (audio_only) ? "audio/webm" : "video/webm";
} else {
media_type = (audio_only) ? "audio/x-matroska" : "video/x-matroska";
@ -2588,7 +2583,7 @@ gst_matroska_mux_start (GstMatroskaMux * mux)
master = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_SEGMENTINFO);
/* WebM does not support SegmentUID field on SegmentInfo */
if (!is_webm) {
if (!mux->is_webm) {
for (i = 0; i < 4; i++) {
segment_uid[i] = g_random_int ();
}

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

@ -129,6 +129,9 @@ typedef struct _GstMatroskaMux {
/* GstForceKeyUnit event */
GstEvent *force_key_unit_event;
/* Flag to ease handling of WebM specifics */
gboolean is_webm;
} GstMatroskaMux;
typedef struct _GstMatroskaMuxClass {

1
gst/matroska/webm-mux.c
View file

@ -97,4 +97,5 @@ static void
gst_webm_mux_init (GstWebMMux * mux)
{
GST_MATROSKA_MUX (mux)->doctype = GST_MATROSKA_DOCTYPE_WEBM;
GST_MATROSKA_MUX (mux)->is_webm = TRUE;
}