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https://github.com/FFmpeg/FFmpeg.git
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Simplify starting and ending clusters
Originally committed as revision 22199 to svn://svn.ffmpeg.org/ffmpeg/trunk
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7a2a484081
commit
30f06a58a0
@ -725,14 +725,6 @@ static int mkv_write_header(AVFormatContext *s)
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ret = mkv_write_chapters(s);
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if (ret < 0) return ret;
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ret = mkv_add_seekhead_entry(mkv->cluster_seekhead, MATROSKA_ID_CLUSTER, url_ftell(pb));
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if (ret < 0) return ret;
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mkv->cluster_pos = url_ftell(pb);
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mkv->cluster = start_ebml_master(pb, MATROSKA_ID_CLUSTER, 0);
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put_ebml_uint(pb, MATROSKA_ID_CLUSTERTIMECODE, 0);
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mkv->cluster_pts = 0;
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if (url_is_streamed(s->pb))
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mkv_write_seekhead(pb, mkv->main_seekhead);
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@ -849,12 +841,7 @@ static int mkv_write_packet(AVFormatContext *s, AVPacket *pkt)
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int duration = pkt->duration;
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int ret;
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// start a new cluster every 5 MB or 5 sec
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if (url_ftell(pb) > mkv->cluster_pos + 5*1024*1024 || pkt->pts > mkv->cluster_pts + 5000) {
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av_log(s, AV_LOG_DEBUG, "Starting new cluster at offset %" PRIu64
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" bytes, pts %" PRIu64 "\n", url_ftell(pb), pkt->pts);
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end_ebml_master(pb, mkv->cluster);
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if (!mkv->cluster_pos) {
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ret = mkv_add_seekhead_entry(mkv->cluster_seekhead, MATROSKA_ID_CLUSTER, url_ftell(pb));
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if (ret < 0) return ret;
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@ -882,6 +869,14 @@ static int mkv_write_packet(AVFormatContext *s, AVPacket *pkt)
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if (ret < 0) return ret;
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}
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// start a new cluster every 5 MB or 5 sec
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if (url_ftell(pb) > mkv->cluster_pos + 5*1024*1024 || pkt->pts > mkv->cluster_pts + 5000) {
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av_log(s, AV_LOG_DEBUG, "Starting new cluster at offset %" PRIu64
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" bytes, pts %" PRIu64 "\n", url_ftell(pb), pkt->pts);
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end_ebml_master(pb, mkv->cluster);
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mkv->cluster_pos = 0;
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}
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mkv->duration = FFMAX(mkv->duration, pkt->pts + duration);
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return 0;
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}
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@ -22,11 +22,11 @@ stddev: 0.00 PSNR:999.99 bytes: 1058444/ 1058444
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1058444 ./tests/data/acodec/pcm_s16le.wav
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95e54b261530a1bcf6de6fe3b21dc5f6 *./tests/data/pcm.acodec.out.wav
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stddev: 0.00 PSNR:999.99 bytes: 1058444/ 1058444
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2f3e0884e96b984436b1d01200d68871 *./tests/data/acodec/pcm_s16be.mkv
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33c64392615a70aa1132b6f87215b8a9 *./tests/data/acodec/pcm_s16be.mkv
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1060705 ./tests/data/acodec/pcm_s16be.mkv
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95e54b261530a1bcf6de6fe3b21dc5f6 *./tests/data/pcm.acodec.out.wav
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stddev: 0.00 PSNR:999.99 bytes: 1058444/ 1058444
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c98158732635effefffa006251b9a6c9 *./tests/data/acodec/pcm_s16le.mkv
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ff09423d5ead01dee128b5875682de2a *./tests/data/acodec/pcm_s16le.mkv
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1060705 ./tests/data/acodec/pcm_s16le.mkv
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95e54b261530a1bcf6de6fe3b21dc5f6 *./tests/data/pcm.acodec.out.wav
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stddev: 0.00 PSNR:999.99 bytes: 1058444/ 1058444
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