[FFmpeg-trac] #10944(undetermined:new): FFmpeg 6.1.1-full can't reencode partly broken mp4 file unless affected part is removed
FFmpeg
trac at avcodec.org
Tue Apr 2 11:15:04 EEST 2024
#10944: FFmpeg 6.1.1-full can't reencode partly broken mp4 file unless affected
part is removed
-------------------------------------+-------------------------------------
Reporter: degradox | Type: defect
Status: new | Priority: normal
Component: | Version:
undetermined | unspecified
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
The mp4 file is broken because was made like so by ffmpeg itself, the
previous original file was correct. The beginning and end of the file are
ok but during conversion the resulting file is broken because can't get
past it.
If the affected part is removed using -ss and -to to get the first seconds
and last seconds then there's no problem.
How to reproduce:
{{{
% ffmpeg -i .\middle_broken.mp4 .\out.mp4
ffmpeg version 6.1.1-full_build-www.gyan.dev Copyright (c) 2000-2023 the
FFmpeg developers
built with gcc 12.2.0 (Rev10, Built by MSYS2 project)
configuration: --enable-gpl --enable-version3 --enable-static --pkg-
config=pkgconf --disable-w32threads --disable-autodetect --enable-
fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp
--enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-
librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth
--enable-libbluray --enable-libcaca --enable-sdl2 --enable-libaribb24
--enable-libaribcaption --enable-libdav1d --enable-libdavs2 --enable-
libuavs3d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-
libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-
libxvid --enable-libaom --enable-libjxl --enable-libopenjpeg --enable-
libvpx --enable-mediafoundation --enable-libass --enable-frei0r --enable-
libfreetype --enable-libfribidi --enable-libharfbuzz --enable-liblensfun
--enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf
--enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec
--enable-nvenc --enable-dxva2 --enable-d3d11va --enable-libvpl --enable-
libshaderc --enable-vulkan --enable-libplacebo --enable-opencl --enable-
libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-
libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora
--enable-libtwolame --enable-libvo-amrwbenc --enable-libcodec2 --enable-
libilbc --enable-libgsm --enable-libopencore-amrnb --enable-libopus
--enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b
--enable-libflite --enable-libmysofa --enable-librubberband --enable-
libsoxr --enable-chromaprint
libavutil 58. 29.100 / 58. 29.100
libavcodec 60. 31.102 / 60. 31.102
libavformat 60. 16.100 / 60. 16.100
libavdevice 60. 3.100 / 60. 3.100
libavfilter 9. 12.100 / 9. 12.100
libswscale 7. 5.100 / 7. 5.100
libswresample 4. 12.100 / 4. 12.100
libpostproc 57. 3.100 / 57. 3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '.\middle_broken.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf60.16.100
Duration: 00:01:40.02, start: 0.016000, bitrate: 6043 kb/s
Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661),
yuv420p(tv, bt709, progressive), 1920x1080 [SAR 1:1 DAR 16:9], 6018 kb/s,
60 fps, 60 tbr, 90k tbn (default)
Metadata:
handler_name : VideoHandler
vendor_id : [0][0][0][0]
Stream #0:1[0x2](und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz,
stereo, fltp, 131 kb/s (default)
Metadata:
handler_name : SoundHandler
vendor_id : [0][0][0][0]
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Stream #0:1 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
[libx264 @ 0000019d80770800] using SAR=1/1
[libx264 @ 0000019d80770800] using cpu capabilities: MMX2 SSE2Fast SSSE3
SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0000019d80770800] profile High, level 4.2, 4:2:0, 8-bit
[libx264 @ 0000019d80770800] 264 - core 164 r3172 c1c9931 - H.264/MPEG-4
AVC codec - Copyleft 2003-2023 - http://www.videolan.org/x264.html -
options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7
psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1
8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12
lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0
bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1
b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25
scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0
qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to '.\out.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf60.16.100
Stream #0:0(und): Video: h264 (avc1 / 0x31637661), yuv420p(tv, bt709,
progressive), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 60 fps, 15360 tbn
(default)
Metadata:
handler_name : VideoHandler
vendor_id : [0][0][0][0]
encoder : Lavc60.31.102 libx264
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo,
fltp, 128 kb/s (default)
Metadata:
handler_name : SoundHandler
vendor_id : [0][0][0][0]
encoder : Lavc60.31.102 aac
frame= 65 fps=0.0 q=31.0 size= 0kB time=00:00:02.06 bitrate=
0.2kbits/s dup=120 drop=0 speed=10.8x
frame= 65 fps= 61 q=31.0 size= 0kB time=00:00:02.06 bitrate=
0.2kbits/s dup=120 drop=0 speed=1.93x
frame= 119 fps= 75 q=31.0 size= 256kB time=00:00:02.98 bitrate=
702.3kbits/s dup=120 drop=0 speed=1.89x
frame= 162 fps= 77 q=31.0 size= 256kB time=00:00:03.66 bitrate=
571.6kbits/s dup=120 drop=0 speed=1.74x
frame= 206 fps= 79 q=31.0 size= 512kB time=00:00:04.43 bitrate=
945.3kbits/s dup=120 drop=0 speed=1.69x
frame= 242 fps= 78 q=31.0 size= 512kB time=00:00:05.03 bitrate=
833.2kbits/s dup=120 drop=0 speed=1.61x
frame= 285 fps= 79 q=31.0 size= 1024kB time=00:00:05.73
bitrate=1461.8kbits/s dup=120 drop=0 speed=1.58x
frame= 329 fps= 79 q=31.0 size= 1024kB time=00:00:06.48
bitrate=1293.5kbits/s dup=120 drop=0 speed=1.56x
frame= 377 fps= 81 q=31.0 size= 1280kB time=00:00:07.27
bitrate=1441.5kbits/s dup=120 drop=0 speed=1.56x
[NULL @ 0000019d80786a00] Invalid NAL unit size (0 > 1086).
[NULL @ 0000019d80786a00] missing picture in access unit with size 1090
[h264 @ 0000019d82ddbfc0] error while decoding MB 6 66, bytestream -13
[h264 @ 0000019d82ddbfc0] concealing 283 DC, 283 AC, 283 MV errors in P
frame
[aac @ 0000019d82957b80] channel element 0.0 duplicate
[aist#0:1/aac @ 0000019d807d5300] Error submitting packet to decoder:
Invalid data found when processing input
[...]
[vist#0:0/h264 @ 0000019d807d5180] Error submitting packet to decoder:
Invalid data found when processing input
Last message repeated 1 times
[h264 @ 0000019d82e973c0] co located POCs unavailable
[vist#0:0/h264 @ 0000019d807d5180] Error submitting packet to decoder:
Invalid data found when processing input
[h264 @ 0000019d807ee940] co located POCs unavailable
[vist#0:0/h264 @ 0000019d807d5180] Error submitting packet to decoder:
Invalid data found when processing input
Last message repeated 2 times
[vost#0:0/libx264 @ 0000019d82765cc0] More than 1000 frames duplicated
frame= 5546 fps=102 q=31.0 size= 7168kB time=00:01:33.37 bitrate=
628.9kbits/s dup=5279 drop=0 speed=1.73x
[vist#0:0/h264 @ 0000019d807d5180] corrupt decoded frame
frame= 5583 fps=102 q=31.0 size= 7168kB time=00:01:34.05 bitrate=
624.3kbits/s dup=5279 drop=0 speed=1.72x
frame= 5615 fps=102 q=31.0 size= 7424kB time=00:01:34.57 bitrate=
643.1kbits/s dup=5279 drop=0 speed=1.71x
frame= 5637 fps=101 q=31.0 size= 7680kB time=00:01:34.95 bitrate=
662.6kbits/s dup=5279 drop=0 speed= 1.7x
frame= 5665 fps=101 q=31.0 size= 7936kB time=00:01:35.42 bitrate=
681.3kbits/s dup=5279 drop=0 speed= 1.7x
frame= 5696 fps=100 q=31.0 size= 8192kB time=00:01:35.93 bitrate=
699.5kbits/s dup=5279 drop=0 speed=1.69x
frame= 5727 fps=100 q=31.0 size= 8448kB time=00:01:36.46 bitrate=
717.4kbits/s dup=5279 drop=0 speed=1.68x
frame= 5754 fps=100 q=31.0 size= 8960kB time=00:01:36.89 bitrate=
757.5kbits/s dup=5279 drop=0 speed=1.68x
frame= 5779 fps= 99 q=31.0 size= 9216kB time=00:01:37.32 bitrate=
775.7kbits/s dup=5279 drop=0 speed=1.67x
frame= 5810 fps= 99 q=31.0 size= 9472kB time=00:01:37.85 bitrate=
793.0kbits/s dup=5279 drop=0 speed=1.66x
frame= 5839 fps= 98 q=31.0 size= 9472kB time=00:01:38.32 bitrate=
789.2kbits/s dup=5279 drop=0 speed=1.66x
frame= 5871 fps= 98 q=31.0 size= 9728kB time=00:01:38.85 bitrate=
806.1kbits/s dup=5279 drop=0 speed=1.65x
frame= 5903 fps= 98 q=31.0 size= 9984kB time=00:01:39.39 bitrate=
822.9kbits/s dup=5279 drop=0 speed=1.65x
frame= 5945 fps= 98 q=31.0 size= 10240kB time=00:01:39.92 bitrate=
839.5kbits/s dup=5280 drop=0 speed=1.64x
[out#0/mp4 @ 0000019d8081e800] video:10526kB audio:225kB subtitle:0kB
other streams:0kB global headers:0kB muxing overhead: 0.774707%
frame= 6001 fps= 97 q=-1.0 Lsize= 10833kB time=00:01:39.96 bitrate=
887.8kbits/s dup=5280 drop=0 speed=1.62x
[libx264 @ 0000019d80770800] frame I:25 Avg QP:19.10 size:246645
[libx264 @ 0000019d80770800] frame P:1515 Avg QP:25.89 size: 2167
[libx264 @ 0000019d80770800] frame B:4461 Avg QP:33.92 size: 298
[libx264 @ 0000019d80770800] consecutive B-frames: 0.7% 0.2% 0.5% 98.5%
[libx264 @ 0000019d80770800] mb I I16..4: 18.9% 31.9% 49.2%
[libx264 @ 0000019d80770800] mb P I16..4: 0.5% 0.5% 0.1% P16..4:
1.4% 0.4% 0.3% 0.0% 0.0% skip:96.8%
[libx264 @ 0000019d80770800] mb B I16..4: 0.3% 0.0% 0.0% B16..8:
1.0% 0.1% 0.0% direct: 0.0% skip:98.5% L0:45.7% L1:51.7% BI: 2.5%
[libx264 @ 0000019d80770800] 8x8 transform intra:29.0% inter:43.7%
[libx264 @ 0000019d80770800] coded y,uvDC,uvAC intra: 30.5% 25.6% 17.7%
inter: 0.2% 0.2% 0.1%
[libx264 @ 0000019d80770800] i16 v,h,dc,p: 9% 89% 1% 1%
[libx264 @ 0000019d80770800] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 44% 18% 17%
3% 3% 3% 3% 4% 5%
[libx264 @ 0000019d80770800] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 35% 24% 10%
5% 5% 6% 6% 5% 6%
[libx264 @ 0000019d80770800] i8c dc,h,v,p: 37% 51% 11% 2%
[libx264 @ 0000019d80770800] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0000019d80770800] ref P L0: 69.5% 8.5% 13.6% 8.4%
[libx264 @ 0000019d80770800] ref B L0: 73.3% 23.9% 2.8%
[libx264 @ 0000019d80770800] ref B L1: 96.3% 3.7%
[libx264 @ 0000019d80770800] kb/s:862.06
[aac @ 0000019d82919a80] Qavg: 508.062
}}}
Patches should be submitted to the ffmpeg-devel mailing list and not this
bug tracker.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/10944>
FFmpeg <https://ffmpeg.org>
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