OS: Windows 10
Shotcut version: 20.10.31
Issue: I’m trying to reverse a MP4 video. The job list shows the conversion is a success but the reverse itself is a failure. I’ve tried all quality levels (good / better / best), with and without the audio track, and different video lengths.
Log:
ffmpeg version n4.2.4-7-gc9f3835b2b Copyright (c) 2000-2020 the FFmpeg developers
built with gcc 10.2.0 (Rev4, Built by MSYS2 project)
configuration: --prefix=/d/a/shotcut/shotcut/build/Shotcut --disable-static --disable-doc --enable-gpl --enable-version3 --enable-shared --enable-runtime-cpudetect --enable-libtheora --enable-libvorbis --enable-libmp3lame --enable-libx264 --enable-libx265 --enable-libvpx --enable-libopus --enable-libmfx
libavutil 56. 31.100 / 56. 31.100
libavcodec 58. 54.100 / 58. 54.100
libavformat 58. 29.100 / 58. 29.100
libavdevice 58. 8.100 / 58. 8.100
libavfilter 7. 57.100 / 7. 57.100
libswscale 5. 5.100 / 5. 5.100
libswresample 3. 5.100 / 3. 5.100
libpostproc 55. 5.100 / 55. 5.100
[h264 @ 000001a6b396bcc0] Reinit context to 1280x720, pix_fmt: yuv420p
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from ‘c:/Users/qqqqu/Desktop/The End.mp4’:
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf62.3.100
Duration: 00:01:20.83, start: 0.000000, bitrate: 1093 kb/s
Stream #0:0(und): Video: h264 (High), 1 reference frame (avc1 / 0x31637661), yuv420p(tv, bt709, left), 1280x720 [SAR 1:1 DAR 16:9], 960 kb/s, 24 fps, 24 tbr, 12288 tbn, 48 tbc (default)
Metadata:
handler_name : ISO Media file produced by Google Inc.
Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
Metadata:
handler_name : ISO Media file produced by Google Inc.
Stream mapping:
Stream #0:0 → #0:0 (h264 (native) → dnxhd (native))
Stream #0:1 → #0:1 (aac (native) → alac (native))
Press [q] to stop, [?] for help
[h264 @ 000001a6b385b2c0] Reinit context to 1280x720, pix_fmt: yuv420p
[graph_1_in_0_1 @ 000001a6b582c4c0] tb:1/44100 samplefmt:fltp samplerate:44100 chlayout:0x3
[format_out_0_1 @ 000001a6b582d9c0] auto-inserting filter ‘auto_resampler_0’ between the filter ‘Parsed_anull_0’ and the filter ‘format_out_0_1’
[auto_resampler_0 @ 000001a6b5a32640] ch:2 chl:stereo fmt:fltp r:44100Hz → ch:2 chl:stereo fmt:s32p r:44100Hz
[alac @ 000001a6b38c2200] encoding as 24 bits-per-sample
[Parsed_scale_0 @ 000001a6b5abe000] w:iw h:ih flags:‘accurate_rnd+full_chroma_inp+full_chroma_int’ interl:0
[graph 0 input from stream 0:0 @ 000001a6b5abe100] w:1280 h:720 pixfmt:yuv420p tb:1/12288 fr:24/1 sar:1/1 sws_param:flags=2
[Parsed_scale_0 @ 000001a6b5abe000] w:1280 h:720 fmt:yuv420p sar:1/1 → w:1280 h:720 fmt:yuv422p sar:1/1 flags:0x46000
Output #0, mov, to ‘C:/Users/qqqqu/Desktop/Docs/Chimps Ahoy/My Own Jungle/My Own Jungle/The End - Reversed1 - ixmaGy.mov’:
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf58.29.100
Stream #0:0(und): Video: dnxhd (DNXHR HQ), 1 reference frame (AVdh / 0x68645641), yuv422p(tv, left), 1280x720 [SAR 1:1 DAR 16:9], q=2-1024, 200 kb/s, 24 fps, 12288 tbn, 24 tbc (default)
Metadata:
handler_name : ISO Media file produced by Google Inc.
encoder : Lavc58.54.100 dnxhd
Stream #0:1(eng): Audio: alac (alac / 0x63616C61), 44100 Hz, stereo, s32p (24 bit), 128 kb/s (default)
Metadata:
handler_name : ISO Media file produced by Google Inc.
encoder : Lavc58.54.100 alac
No more output streams to write to, finishing.
video:532620kB audio:9376kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.002259%
Input file #0 (c:/Users/qqqqu/Desktop/The End.mp4):
Input stream #0:0 (video): 1938 packets read (9697347 bytes); 1938 frames decoded;
Input stream #0:1 (audio): 3481 packets read (1293300 bytes); 3481 frames decoded (3564544 samples);
Total: 5419 packets (10990647 bytes) demuxed
Output file #0 (C:/Users/qqqqu/Desktop/Docs/Chimps Ahoy/My Own Jungle/My Own Jungle/The End - Reversed1 - ixmaGy.mov):
Output stream #0:0 (video): 1345 frames encoded; 1345 packets muxed (545402880 bytes);
Output stream #0:1 (audio): 604 frames encoded (2473304 samples); 604 packets muxed (9601469 bytes);
Total: 1949 packets (555004349 bytes) muxed
[AVIOContext @ 000001a6b3859f80] Statistics: 2 seeks, 2121 writeouts
[AVIOContext @ 000001a6b385c040] Statistics: 11045749 bytes read, 0 seeks
Completed successfully in 00:00:05