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matroskademux: Preserve forward referenced track tags

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=752850
This commit is contained in:
Glen Diener 2015-07-29 18:54:35 -06:00 committed by Nicolas Dufresne
parent 5f9e5bf385
commit cd57697a2c
3 changed files with 32 additions and 2 deletions
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8
gst/matroska/matroska-demux.c
View file

@ -397,6 +397,7 @@ gst_matroska_demux_add_stream (GstMatroskaDemux * demux, GstEbmlRead * ebml)
GstPadTemplate *templ = NULL;
GstStreamFlags stream_flags;
GstCaps *caps = NULL;
GstTagList *cached_taglist;
gchar *padname = NULL;
GstFlowReturn ret;
guint32 id, riff_fourcc = 0;
@ -1128,6 +1129,13 @@ gst_matroska_demux_add_stream (GstMatroskaDemux * demux, GstEbmlRead * ebml)
return ret;
}
/* check for a cached track taglist */
cached_taglist =
(GstTagList *) g_hash_table_lookup (demux->common.cached_track_taglists,
GUINT_TO_POINTER (context->uid));
if (cached_taglist)
gst_tag_list_insert (context->tags, cached_taglist, GST_TAG_MERGE_APPEND);
/* now create the GStreamer connectivity */
switch (context->type) {
case GST_MATROSKA_TRACK_TYPE_VIDEO:{

22
gst/matroska/matroska-read-common.c
View file

@ -2392,9 +2392,21 @@ gst_matroska_read_common_parse_metadata_id_tag (GstMatroskaReadCommon * common,
}
}
if (!found) {
GST_FIXME_OBJECT (common->sinkpad,
/* Cache the track taglist: possibly belongs to a track that will be parsed
later in gst_matroska_demux.c:gst_matroska_demux_add_stream (...) */
gpointer track_uid = GUINT_TO_POINTER (tgt);
GstTagList *cached_taglist =
g_hash_table_lookup (common->cached_track_taglists, track_uid);
if (cached_taglist)
gst_tag_list_insert (cached_taglist, taglist, GST_TAG_MERGE_REPLACE);
else {
gst_tag_list_ref (taglist);
g_hash_table_insert (common->cached_track_taglists, track_uid,
taglist);
}
GST_DEBUG_OBJECT (common->sinkpad,
"Found track-specific tag(s), but track %" G_GUINT64_FORMAT
" is not known (yet?)", tgt);
" is not known yet, caching", tgt);
}
}
} else
@ -2844,6 +2856,9 @@ gst_matroska_read_common_init (GstMatroskaReadCommon * ctx)
ctx->index = NULL;
ctx->global_tags = NULL;
ctx->adapter = gst_adapter_new ();
ctx->cached_track_taglists =
g_hash_table_new_full (NULL, NULL, NULL,
(GDestroyNotify) gst_tag_list_unref);
}
void
@ -2860,6 +2875,9 @@ gst_matroska_read_common_finalize (GstMatroskaReadCommon * ctx)
}
g_object_unref (ctx->adapter);
g_hash_table_remove_all (ctx->cached_track_taglists);
g_hash_table_unref (ctx->cached_track_taglists);
}
void

4
gst/matroska/matroska-read-common.h
View file

@ -102,6 +102,10 @@ typedef struct _GstMatroskaReadCommon {
/* push based mode usual suspects */
GstAdapter *adapter;
/* cache for track tags that forward-reference their tracks */
GHashTable *cached_track_taglists ;
} GstMatroskaReadCommon;
GstFlowReturn gst_matroska_decode_content_encodings (GArray * encodings);