[FFmpeg-trac] #10312(undetermined:new): Regression in transcode example
FFmpeg
trac at avcodec.org
Tue Apr 4 22:20:34 EEST 2023
#10312: Regression in transcode example
-------------------------------------+-------------------------------------
Reporter: pszemus | 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:
{{{doc/examples/transcode.c}}} broken since 6.0 release.
Latest (commit: 2244722) build:
{{{
doc/examples/transcode https://test-
videos.co.uk/vids/bigbuckbunny/mp4/h264/720/Big_Buck_Bunny_720_10s_1MB.mp4
/tmp/ff6.mp4
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'https://test-
videos.co.uk/vids/bigbuckbunny/mp4/h264/720/Big_Buck_Bunny_720_10s_1MB.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
title : Big Buck Bunny, Sunflower version
artist : Blender Foundation 2008, Janus Bager Kristensen 2013
composer : Sacha Goedegebure
encoder : Lavf57.63.100
comment : Creative Commons Attribution 3.0 -
http://bbb3d.renderfarming.net
genre : Animation
Duration: 00:00:10.00, start: 0.000000, bitrate: 775 kb/s
Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661),
yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], 772 kb/s, 30 fps, 30
tbr, 15360 tbn (default)
Metadata:
handler_name : VideoHandler
vendor_id : [0][0][0][0]
[libx264 @ 0x26b7000] using SAR=1/1
[libx264 @ 0x26b7000] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
AVX FMA3 BMI2 AVX2 AVX512
[libx264 @ 0x26b7000] profile High, level 3.1, 4:2:0, 8-bit
[libx264 @ 0x26b7000] 264 - core 164 r3106 eaa68fa - 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 '/tmp/ff6.mp4':
Stream #0:0: Video: h264, yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=2-31,
30 tbn
[in @ 0x2a96d80] Invalid time base 0/1
Cannot create buffer source
Error occurred: Invalid argument
}}}
Similar error with 6.0 release but works OK with latest 5 release, e.g.
5.1.3:
{{{
doc/examples/transcoding https://test-
videos.co.uk/vids/bigbuckbunny/mp4/h264/720/Big_Buck_Bunny_720_10s_1MB.mp4
/tmp/ff5.mp4
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'https://test-
videos.co.uk/vids/bigbuckbunny/mp4/h264/720/Big_Buck_Bunny_720_10s_1MB.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
title : Big Buck Bunny, Sunflower version
artist : Blender Foundation 2008, Janus Bager Kristensen 2013
composer : Sacha Goedegebure
encoder : Lavf57.63.100
comment : Creative Commons Attribution 3.0 -
http://bbb3d.renderfarming.net
genre : Animation
Duration: 00:00:10.00, start: 0.000000, bitrate: 775 kb/s
Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661),
yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], 772 kb/s, 30 fps, 30
tbr, 15360 tbn (default)
Metadata:
handler_name : VideoHandler
vendor_id : [0][0][0][0]
[libx264 @ 0x2883680] using SAR=1/1
[libx264 @ 0x2883680] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
AVX FMA3 BMI2 AVX2 AVX512
[libx264 @ 0x2883680] profile High, level 3.1, 4:2:0, 8-bit
[libx264 @ 0x2883680] 264 - core 164 r3106 eaa68fa - 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 '/tmp/ff5.mp4':
Stream #0:0: Video: h264, yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=2-31,
30 tbn
Pushing decoded frame to filters
Pulling filtered frame from filters
Encoding frame
[...]
[libx264 @ 0x2883680] frame I:2 Avg QP:18.47 size:187624
[libx264 @ 0x2883680] frame P:75 Avg QP:20.40 size: 31522
[libx264 @ 0x2883680] frame B:221 Avg QP:26.49 size: 2792
[libx264 @ 0x2883680] consecutive B-frames: 1.0% 0.0% 1.0% 98.0%
[libx264 @ 0x2883680] mb I I16..4: 0.3% 84.2% 15.5%
[libx264 @ 0x2883680] mb P I16..4: 0.0% 0.1% 0.0% P16..4: 43.3% 28.6%
20.0% 0.0% 0.0% skip: 8.0%
[libx264 @ 0x2883680] mb B I16..4: 0.0% 0.0% 0.0% B16..8: 52.1% 3.1%
0.4% direct: 0.3% skip:44.1% L0:46.7% L1:46.9% BI: 6.4%
[libx264 @ 0x2883680] 8x8 transform intra:84.0% inter:63.1%
[libx264 @ 0x2883680] coded y,uvDC,uvAC intra: 99.1% 94.2% 76.9% inter:
12.4% 11.0% 0.9%
[libx264 @ 0x2883680] i16 v,h,dc,p: 6% 48% 3% 42%
[libx264 @ 0x2883680] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 10% 11% 9% 9% 13%
12% 13% 11% 13%
[libx264 @ 0x2883680] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 13% 10% 9% 10% 13%
12% 11% 11% 11%
[libx264 @ 0x2883680] i8c dc,h,v,p: 42% 28% 14% 17%
[libx264 @ 0x2883680] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x2883680] ref P L0: 51.8% 19.3% 23.1% 5.9%
[libx264 @ 0x2883680] ref B L0: 82.7% 10.8% 6.4%
[libx264 @ 0x2883680] ref B L1: 90.9% 9.1%
[libx264 @ 0x2883680] kb/s:1351.59
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/10312>
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