Hi Carl, yet again thanks for quick reply.
On Wed, Jul 13, 2016 at 10:11 AM, Carl Eugen Hoyos <[email protected]> wrote: > Kieran O Leary <kieran.o.leary <at> gmail.com> writes: > >> 1. Rescale 2048*1536 v210.mov to 4096*3072 (Source PTS/DTS >> and rescaled PTS/DTS start at 0) >> 2. Stream copy to matroska (PTS/DTS start at 1) > > Why is this an issue? To be honest, I don't know enough about PTS and DTS to know if it is an issue. My understanding is that it is really more of an issue for inter frame codecs that would use b/p frames. It was just an anomaly that I've never encountered before and thought I'd report it. > Did you test -copyts? I didn't , but I just tried it (perhaps incorrectly) and it appeared to have no effect as the PTS/DTS started at 1 again. ffmpeg -i /Volumes/Stardom/kieran_tests/bug/4k.mov -c copy -copyts /Volumes/Stardom/kieran_tests/bug/4k.mkv ffmpeg version git-2016-06-21-9204a84 Copyright (c) 2000-2016 the FFmpeg developers built with Apple LLVM version 7.3.0 (clang-703.0.31) configuration: --prefix=/usr/local/Cellar/ffmpeg/HEAD --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-opencl --enable-libx264 --enable-libmp3lame --enable-libxvid --enable-libfreetype --enable-ffplay --disable-lzma --enable-libopenjpeg --disable-decoder=jpeg2000 --extra-cflags=-I/usr/local/Cellar/openjpeg/1.5.2_1/include/openjpeg-1.5 --enable-vda libavutil 55. 24.100 / 55. 24.100 libavcodec 57. 46.100 / 57. 46.100 libavformat 57. 38.102 / 57. 38.102 libavdevice 57. 0.101 / 57. 0.101 libavfilter 6. 46.102 / 6. 46.102 libavresample 3. 0. 0 / 3. 0. 0 libswscale 4. 1.100 / 4. 1.100 libswresample 2. 1.100 / 2. 1.100 libpostproc 54. 0.100 / 54. 0.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/Volumes/Stardom/kieran_tests/bug/4k.mov': Metadata: major_brand : qt minor_version : 512 compatible_brands: qt encoder : Lavf57.38.102 Duration: 00:00:00.04, start: 0.000000, bitrate: 6441633 kb/s Stream #0:0(eng): Video: v210 (v210 / 0x30313276), yuv422p10le, 4096x3072, 6492782 kb/s, 24 fps, 24 tbr, 12288 tbn, 12288 tbc (default) Metadata: handler_name : DataHandler encoder : Lavc57.46.100 v210 timecode : 01:00:53:12 Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 6 kb/s (default) Metadata: handler_name : DataHandler Stream #0:2(eng): Data: none (tmcd / 0x64636D74), 0 kb/s Metadata: handler_name : DataHandler timecode : 01:00:53:12 File '/Volumes/Stardom/kieran_tests/bug/4k.mkv' already exists. Overwrite ? [y/N] y [matroska @ 0x7f95a8811e00] Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead. Last message repeated 1 times Output #0, matroska, to '/Volumes/Stardom/kieran_tests/bug/4k.mkv': Metadata: major_brand : qt minor_version : 512 compatible_brands: qt encoder : Lavf57.38.102 Stream #0:0(eng): Video: v210 (v210 / 0x30313276), yuv422p10le, 4096x3072, q=2-31, 6492782 kb/s, 24 fps, 24 tbr, 1k tbn, 12288 tbc (default) Metadata: handler_name : DataHandler encoder : Lavc57.46.100 v210 timecode : 01:00:53:12 Stream #0:1(eng): Audio: aac (LC) ([255][0][0][0] / 0x00FF), 48000 Hz, mono, 6 kb/s (default) Metadata: handler_name : DataHandler Stream mapping: Stream #0:0 -> #0:0 (copy) Stream #0:1 -> #0:1 (copy) Press [q] to stop, [?] for help frame= 1 fps=0.0 q=-1.0 Lsize= 33025kB time=00:00:00.02 bitrate=12297363.3kbits/s speed=0.186x video:33024kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.003327% Best, Kieran. _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
