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| author | Sebastian Dröge <sebastian.droege@collabora.co.uk> | 2010-05-01 14:20:59 +0200 |
|---|---|---|
| committer | Sebastian Dröge <sebastian.droege@collabora.co.uk> | 2010-05-01 14:20:59 +0200 |
| commit | ad1c01661fcebe45c39aa51b55ad59be3213aa07 (patch) | |
| tree | 3d4fb69a376e83dddcbb238b211a602483b9cb2d | |
| parent | 1e1cf5df7042cc3cc989a0ad24d65b0cfda2e3cc (diff) | |
matroskamux: Write previous cluster's size
This is useful for backwards playback, which should be implemented
in matroskademux at some point.
| -rw-r--r-- | gst/matroska/matroska-mux.c | 4 | ||||
| -rw-r--r-- | gst/matroska/matroska-mux.h | 3 |
2 files changed, 6 insertions, 1 deletions
diff --git a/gst/matroska/matroska-mux.c b/gst/matroska/matroska-mux.c index beda47134..b40d165cb 100644 --- a/gst/matroska/matroska-mux.c +++ b/gst/matroska/matroska-mux.c @@ -538,6 +538,7 @@ gst_matroska_mux_reset (GstElement * element) mux->cluster = 0; mux->cluster_time = 0; mux->cluster_pos = 0; + mux->prev_cluster_size = 0; /* reset tags */ gst_tag_setter_reset_tags (GST_TAG_SETTER (mux)); @@ -2509,12 +2510,15 @@ gst_matroska_mux_write_data (GstMatroskaMux * mux, GstMatroskaPad * collect_pad) || is_video_keyframe) { gst_ebml_write_master_finish (ebml, mux->cluster); + mux->prev_cluster_size = ebml->pos - mux->cluster_pos; mux->cluster_pos = ebml->pos; mux->cluster = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_CLUSTER); gst_ebml_write_uint (ebml, GST_MATROSKA_ID_CLUSTERTIMECODE, GST_BUFFER_TIMESTAMP (buf) / mux->time_scale); mux->cluster_time = GST_BUFFER_TIMESTAMP (buf); + gst_ebml_write_uint (ebml, GST_MATROSKA_ID_PREVSIZE, + mux->prev_cluster_size); } } else { /* first cluster */ diff --git a/gst/matroska/matroska-mux.h b/gst/matroska/matroska-mux.h index 201df0cda..08b07baf4 100644 --- a/gst/matroska/matroska-mux.h +++ b/gst/matroska/matroska-mux.h @@ -116,7 +116,8 @@ typedef struct _GstMatroskaMux { /* current cluster */ guint64 cluster, cluster_time, - cluster_pos; + cluster_pos, + prev_cluster_size; } GstMatroskaMux; |