чт, 3 нояб. 2022 г., 03:34 Andrew Randrianasulu <[email protected]>:
> > > чт, 3 нояб. 2022 г., 03:14 Andrew Randrianasulu <[email protected]>: > >> I think we can add some clarification >> >> --- >> HDV on a Blu-ray Disc Without Re-encoding >> >> An MTS file is a video file saved in the high-definition (HD) MPEG >> Transport Stream video format, commonly called AVCHD. It contains HD video >> compatible with Blu-ray disc format and is based on the MPEG-2 transport >> stream. MTS files are often used by Sony, Panasonic, Canon and other HD >> camcorders. Legal input for Video – MPEG1VIDEO, MPEG2VIDEO, H264; Audio – >> MP1, MP2, AC3, AC3PLUS, DTS, TRUHD. >> >> Note, mp2 and mp1 audio codecs are valid for transport stream itself but >> not as on-disk format for Blu-Rays. >> >> In this case you still can save original video by using ffmpeg's switches >> >> -c:v copy -c:a ac3 , while outputting into another temporal ts container. >> >> {waiting for Terje's results on pcm_bluray case} >> >> >> --- >> >> >> I think all m2ts files you used for testing were h264/aac (or ac3), not >> from-camcoder HDVs with mpeg2 video/mp2 audio. >> >> you can try HDV-in-mov from this folder as ffmpeg test file, I think >> >> http://samples.mplayerhq.hu/mov/FCP/ >> > > oh, this is not mp2 audio but pcm audio. And ..not exactly kind of pcm > used on blurays! > > so this line work, note mpegts_m2ts_mode switch for enabling more bluray > like output, without it ffmpeg will mux audio into private stream - good > luck getting it back! > > ffmpeg -i HDV_1080i50.mov -c:v copy -c:a pcm_bluray -mpegts_m2ts_mode 1 > hdv.mts > > then tsmuxer recognizes mts file as below: > > ~/tsMuxer $ tsmuxer hdv.mts > tsMuxeR version 2.6.16-dev. github.com/justdan96/tsMuxer > Track ID: 4113 > Stream type: MPEG-2 > Stream ID: V_MPEG-2 > Stream info: Profile: Main@6. Resolution: 1440:1080i. Frame rate: 25 > Stream lang: > > Track ID: 4352 > Stream type: LPCM > Stream ID: A_LPCM > Stream info: Bitrate: 1536Kbps Sample Rate: 48KHz Channels: 2 Bits per > sample: 16bit > Stream lang: eng > > Duration: 00:00:08.000 > > ==== > > I wonder if you can cp this file few times and then cat them back together > for simulating longer video ) ? > > https://github.com/OpenShot/openshot-qt/issues/3428#top this one contain real very short hdv sample with mp2 sound http://twenkid.com/os/3.m2t > > > >> >> ---- >> >> For creating a blu-ray disc, if you have HDV MPEG-2 media that is in >> blu-ray format, you can save the original quality of your work, rather than >> rendering it to another format. >> >> >> {I hope Terje will let us know if bdwrite still works with bluray pcm >> audio as produced by ffmpeg 5.1+} >> >
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