On 12/15/18, Gyan <ffm...@gyani.pro> wrote: > > On 15-12-2018 07:15 AM, Tefl Zuren wrote: >> I'm trying to download a video with youtube-dl >> (http://rg3.github.io/youtube-dl/). It uses ffmpeg. At the beginning of >> the second group of mpegts files, ffmpeg starts throwing the error >> "Non-monotonous DTS in output stream 0:0; ... This may result in incorrect >> timestamps in the output file." and continues for the remainder of the >> download. The saved mp4 file is only playable up to 20:26 then it freezes. >> This problem usually occurs only on the TNT and TBS websites. The output >> is: >> [hls,applehttp @ 0x23c7900] Opening >> 'https://tve.cdn.turner.com/tnt/83b278d50b415d38d9d85e6584e23004/layer7/seg.key' >> for reading >> [hls,applehttp @ 0x23c7900] Opening >> 'crypto+https://tve.cdn.turner.com/tnt/83b278d50b415d38d9d85e6584e23004/layer7/seg-0_00000.ts' >> for reading >> Input #0, hls,applehttp, from >> 'https://tve.cdn.turner.com/tnt/83b278d50b415d38d9d85e6584e23004/layer7/layer7_bk.m3u8?hdntl=exp=1544853868~acl=%2ftnt%2f83b278d50b415d38d9d85e6584e23004%2f*~hmac=421213acd762b1be021249cc78935d1141e301a3b8f31e73318c0131dc384093': >> Duration: 01:29:01.24, start: 1.466733, bitrate: 0 kb/s >> Program 0 >> Metadata: >> variant_bitrate : 0 >> Stream #0:0: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p, >> 1920x1080 [SAR 1:1 DAR 16:9], Closed Captions, 29.97 fps, 29.97 tbr, 90k >> tbn, 59.94 tbc >> Metadata: >> variant_bitrate : 0 >> Stream #0:1: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz, >> stereo, fltp >> Metadata: >> variant_bitrate : 0 > >> [hls,applehttp @ 0x23c7900] Opening >> 'crypto+https://tve.cdn.turner.com/tnt/83b278d50b415d38d9d85e6584e23004/layer7/seg-0_00001.ts' >> for reading >> ... >> [hls,applehttp @ 0x23c7900] Opening >> 'crypto+https://tve.cdn.turner.com/tnt/83b278d50b415d38d9d85e6584e23004/layer7/seg-0_00204.ts' >> for reading >> [hls,applehttp @ 0x23c7900] Opening >> 'crypto+https://tve.cdn.turner.com/tnt/83b278d50b415d38d9d85e6584e23004/layer7/seg-1_00000.ts' >> for reading >> [mp4 @ 0x2479700] Non-monotonous DTS in output stream 0:0; previous: >> 110426426, current: -6006; changing to 110426427. This may result in >> incorrect timestamps in the output file. >> [mp4 @ 0x2479700] Non-monotonous DTS in output stream 0:0; previous: >> 110426427, current: -3003; changing to 110426428. This may result in >> incorrect timestamps in the output file. >> [mp4 @ 0x2479700] Non-monotonous DTS in output stream 0:0; previous: >> 110426428, current: 0; changing to 110426429. This may result in incorrect >> timestamps in the output file. >> [mp4 @ 0x2479700] Non-monotonous DTS in output stream 0:0; previous: >> 110426429, current: 3003; changing to 110426430. This may result in >> incorrect timestamps in the output file. >> [mp4 @ 0x2479700] Non-monotonous DTS in output stream 0:0; previous: >> 110426430, current: 6006; changing to 110426431. This may result in >> incorrect timestamps in the output file. > > Some playlists contain a sequence of separately produced MPEG-TS files. > So, there's a timestamp reset when each new segment is received. At this > point, the timestamp code in libavformat's mux.c simply increments the > output timestamp by one when this happens. Unless the timebase > resolution is 1/fps, this produces an unsound file. Workaround is to > extract the individual streams and remux using mp4box. > > ffmpeg -i downloaded.mp4 -c copy video.h264 > > ffmpeg -i downloaded.mp4 -c copy audio.aac > > mp4box -add video.h264 -add audio.aac -new fixed.mp4
Can't ffmpeg be used in last step too? _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
