diff options
| author | Luca Abeni <lucabe72@email.it> | 2009-01-15 14:03:07 +0000 |
|---|---|---|
| committer | Luca Abeni <lucabe72@email.it> | 2009-01-15 14:03:07 +0000 |
| commit | 0a63a676ec5cc1e69768024df51ffca6a5cfbd08 (patch) | |
| tree | 31b233b41814ec0604ebe429448fab5812c53fd8 /libavformat/matroskaenc.c | |
| parent | 2ea512a6c2ff3404563ad364a3e806a8630cdc84 (diff) | |
Do not reallocate AVPacket's data when muxing a packet
Originally committed as revision 16616 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat/matroskaenc.c')
| -rw-r--r-- | libavformat/matroskaenc.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c index 44c23a4057..83881ed1be 100644 --- a/libavformat/matroskaenc.c +++ b/libavformat/matroskaenc.c @@ -785,6 +785,7 @@ static void mkv_write_block(AVFormatContext *s, unsigned int blockid, AVPacket * { MatroskaMuxContext *mkv = s->priv_data; ByteIOContext *pb = s->pb; + AVCodecContext *codec = s->streams[pkt->stream_index]->codec; av_log(s, AV_LOG_DEBUG, "Writing block at offset %" PRIu64 ", size %d, " "pts %" PRId64 ", dts %" PRId64 ", duration %d, flags %d\n", @@ -794,7 +795,14 @@ static void mkv_write_block(AVFormatContext *s, unsigned int blockid, AVPacket * put_byte(pb, 0x80 | (pkt->stream_index + 1)); // this assumes stream_index is less than 126 put_be16(pb, pkt->pts - mkv->cluster_pts); put_byte(pb, flags); + if (codec->codec_id == CODEC_ID_H264 && + codec->extradata_size > 0 && AV_RB32(codec->extradata) == 0x00000001) { + /* from x264 or from bytestream h264 */ + /* nal reformating needed */ + ff_avc_parse_nal_units(pb, pkt->data, pkt->size); + } else { put_buffer(pb, pkt->data, pkt->size); + } } static int mkv_write_packet(AVFormatContext *s, AVPacket *pkt) @@ -822,16 +830,6 @@ static int mkv_write_packet(AVFormatContext *s, AVPacket *pkt) av_md5_update(mkv->md5_ctx, pkt->data, FFMIN(200, pkt->size)); } - if (codec->codec_id == CODEC_ID_H264 && - codec->extradata_size > 0 && AV_RB32(codec->extradata) == 0x00000001) { - /* from x264 or from bytestream h264 */ - /* nal reformating needed */ - int ret = ff_avc_parse_nal_units(pkt->data, &pkt->data, &pkt->size); - if (ret < 0) - return ret; - assert(pkt->size); - } - if (codec->codec_type != CODEC_TYPE_SUBTITLE) { mkv_write_block(s, MATROSKA_ID_SIMPLEBLOCK, pkt, keyframe << 7); } else if (codec->codec_id == CODEC_ID_SSA) { |