[FFmpeg-trac] #7587(undetermined:new): Writing timecode track even with -dn specified
FFmpeg
trac at avcodec.org
Mon Dec 3 15:27:55 EET 2018
#7587: Writing timecode track even with -dn specified
-------------------------------------+-------------------------------------
Reporter: steved | Type: defect
Status: new | Priority: normal
Component: | Version:
undetermined | unspecified
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Before this commit
https://github.com/FFmpeg/FFmpeg/commit/4cfb01d6ae545cec4a507113a6cbcf3b6e727e94
we could encode MXF files containing a timecode track to MP4 with:
{{{
$ ffmpeg -i 0002PW.MXF -sn -dn -y test.mp4
[13:43:43]
ffmpeg version N-92603-g8440835dbe Copyright (c) 2000-2018 the FFmpeg
developers
built with gcc 7 (Ubuntu 7.3.0-27ubuntu1~18.04)
configuration: --extra-libs=-ldl --enable-gpl --enable-nonfree --enable-
version3 --enable-libfdk-aac --enable-libx264 --enable-libfreetype
--prefix=/home/steved/.local
libavutil 56. 24.101 / 56. 24.101
libavcodec 58. 41.100 / 58. 41.100
libavformat 58. 23.102 / 58. 23.102
libavdevice 58. 6.101 / 58. 6.101
libavfilter 7. 46.101 / 7. 46.101
libswscale 5. 4.100 / 5. 4.100
libswresample 3. 4.100 / 3. 4.100
libpostproc 55. 4.100 / 55. 4.100
[mxf @ 0x55661bcb5700] Stream #0: not enough frames to estimate rate;
consider increasing probesize
Input #0, mxf, from '0002PW.MXF':
Metadata:
uid : e87e72a4-97c4-4208-8e62-000687b92411
generation_uid : 7981795e-eef6-45fc-b14c-9ff9fec012c7
company_name : Panasonic
product_name : P2
product_version : 2.0
product_uid : 060e2b34-0401-0109-0e0e-010101000001
modification_date: 2011-06-13T17:25:50.000000Z
material_package_umid:
0x060A2B340101010501010D4313000000F97687B3255705CB0080458234FA200B
material_package_name: Gerd Conny0075
timecode : 03:06:20:10
Duration: 00:00:37.76, start: 0.000000, bitrate: 113670 kb/s
Stream #0:0: Video: h264 (High 4:2:2 Intra), yuv422p10le(pc, bt709,
top first), 1920x1080 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 25 tbn, 50 tbc
Metadata:
file_package_umid:
0x060A2B34010101050101064313000000F97687B3255705CC0080458234FA200B
Stream #0:1: Data: none
Metadata:
file_package_umid:
0x060A2B34010101050101084313000000F97687B3255705CC0080458234FA200B
data_type : audio
Stream #0:2: Data: none
Metadata:
file_package_umid:
0x060A2B34010101050101084313000000F97687B3255705CD0080458234FA200B
data_type : audio
Stream #0:3: Data: none
Metadata:
file_package_umid:
0x060A2B34010101050101084313000000F97687B3255705CE0080458234FA200B
data_type : audio
Stream #0:4: Data: none
Metadata:
file_package_umid:
0x060A2B34010101050101084313000000F97687B3255705CF0080458234FA200B
data_type : audio
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[libx264 @ 0x55661bce1900] using SAR=1/1
[libx264 @ 0x55661bce1900] using cpu capabilities: MMX2 SSE2Fast SSSE3
SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0x55661bce1900] profile High 4:2:2, level 4.0, 4:2:2 8-bit
[libx264 @ 0x55661bce1900] 264 - core 152 r2854 e9a5903 - H.264/MPEG-4 AVC
codec - Copyleft 2003-2017 - 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=24
lookahead_threads=4 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 'test.mp4':
Metadata:
uid : e87e72a4-97c4-4208-8e62-000687b92411
generation_uid : 7981795e-eef6-45fc-b14c-9ff9fec012c7
company_name : Panasonic
product_name : P2
product_version : 2.0
product_uid : 060e2b34-0401-0109-0e0e-010101000001
modification_date: 2011-06-13T17:25:50.000000Z
material_package_umid:
0x060A2B340101010501010D4313000000F97687B3255705CB0080458234FA200B
material_package_name: Gerd Conny0075
timecode : 03:06:20:10
encoder : Lavf58.23.102
Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv422p,
1920x1080 [SAR 1:1 DAR 16:9], q=-1--1, 0.04 fps, 12800 tbn, 25 tbc
Metadata:
file_package_umid:
0x060A2B34010101050101064313000000F97687B3255705CC0080458234FA200B
encoder : Lavc58.41.100 libx264
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
frame= 944 fps= 45 q=-1.0 Lsize= 95977kB time=00:00:37.64
bitrate=20888.5kbits/s speed= 1.8x
video:95964kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 0.013903%
[libx264 @ 0x55661bce1900] frame I:4 Avg QP:23.26 size:438237
[libx264 @ 0x55661bce1900] frame P:256 Avg QP:25.61 size:227949
[libx264 @ 0x55661bce1900] frame B:684 Avg QP:28.78 size: 55787
[libx264 @ 0x55661bce1900] consecutive B-frames: 3.4% 0.0% 0.0% 96.6%
[libx264 @ 0x55661bce1900] mb I I16..4: 1.5% 92.6% 6.0%
[libx264 @ 0x55661bce1900] mb P I16..4: 1.7% 17.6% 0.9% P16..4: 37.3%
24.9% 16.5% 0.0% 0.0% skip: 1.2%
[libx264 @ 0x55661bce1900] mb B I16..4: 0.2% 1.4% 0.0% B16..8: 37.3%
7.0% 2.4% direct:17.8% skip:33.9% L0:41.4% L1:34.4% BI:24.2%
[libx264 @ 0x55661bce1900] 8x8 transform intra:87.1% inter:72.1%
[libx264 @ 0x55661bce1900] coded y,uvDC,uvAC intra: 76.5% 97.2% 71.4%
inter: 37.8% 56.5% 11.7%
[libx264 @ 0x55661bce1900] i16 v,h,dc,p: 33% 38% 13% 16%
[libx264 @ 0x55661bce1900] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 19% 29% 4%
5% 5% 6% 5% 7%
[libx264 @ 0x55661bce1900] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 12% 56% 10% 3%
3% 4% 5% 3% 5%
[libx264 @ 0x55661bce1900] i8c dc,h,v,p: 69% 12% 15% 4%
[libx264 @ 0x55661bce1900] Weighted P-Frames: Y:10.5% UV:5.1%
[libx264 @ 0x55661bce1900] ref P L0: 32.8% 11.4% 42.5% 12.1% 1.2%
[libx264 @ 0x55661bce1900] ref B L0: 72.2% 23.7% 4.1%
[libx264 @ 0x55661bce1900] ref B L1: 92.1% 7.9%
[libx264 @ 0x55661bce1900] kb/s:20819.12
}}}
Now this will also copy the timecode track resulting in a broken MP4:
{{{
$ ffprobe test.mp4
[13:44:05]
ffprobe version N-92603-g8440835dbe Copyright (c) 2007-2018 the FFmpeg
developers
built with gcc 7 (Ubuntu 7.3.0-27ubuntu1~18.04)
configuration: --extra-libs=-ldl --enable-gpl --enable-nonfree --enable-
version3 --enable-libfdk-aac --enable-libx264 --enable-libfreetype
--prefix=/home/steved/.local
libavutil 56. 24.101 / 56. 24.101
libavcodec 58. 41.100 / 58. 41.100
libavformat 58. 23.102 / 58. 23.102
libavdevice 58. 6.101 / 58. 6.101
libavfilter 7. 46.101 / 7. 46.101
libswscale 5. 4.100 / 5. 4.100
libswresample 3. 4.100 / 3. 4.100
libpostproc 55. 4.100 / 55. 4.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf58.23.102
Duration: 00:00:37.76, start: 0.000000, bitrate: 20822 kb/s
Stream #0:0(und): Video: h264 (High 4:2:2) (avc1 / 0x31637661),
yuv422p, 1920x1080 [SAR 1:1 DAR 16:9], 20819 kb/s, 25 fps, 25 tbr, 12800
tbn, 50 tbc (default)
Metadata:
handler_name : VideoHandler
timecode : 03:06:20:10
Stream #0:1(eng): Data: none (tmcd / 0x64636D74)
Metadata:
handler_name : TimeCodeHandler
timecode : 03:06:20:10
Unsupported codec with id 0 for input stream 1
}}}
If we additionally specify `-write_tmcd 0` it works again.
The source MXF can be found here:
http://dl.flavoursys.com/samples/ffmpeg/ffmpeg_timecode.MXF
--
Ticket URL: <https://trac.ffmpeg.org/ticket/7587>
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