[FFmpeg-user] PAL MP4 displays VITC in transcodes
marcus at sonicpool.com
marcus at sonicpool.com
Sat Dec 29 02:54:42 CET 2012
Hello All
I'm fairly young to FFMPEG but I'm coming across an unusual problem.
I've been encoding various (NTSC) QT ProsRes HQ to mp4. So far no
problems.
When using very similar settings for my (PAL) QT ProRes, the end results
are unusual.
I'm seeing VITC TIMECODE and additional "blanking" in the (PAL) mp4's.
The source files of
the active picture don't have any visible VITC and no blanking. However
once I've transcoded the file, it is severely shifted. Displaying VITC &
Blanking in the final product. Please see attachment.
I've checked the files in MEDIA INFO to verify the resolution.
The QT ProRes is 720x576 5:4 and the MP4 is reporting 720x608 5:4
Is there away transcode only Active Lines?
I'm using FFMPEG 1.01.7 and below is the session from the Terminal. I've
scaled down my encode settings to the bare minimum.
marcus$ ./ffmpeg -i
/Volumes/XXXXXX/XXXX/PAL/TJB_WTextless_PAL_ENG.mov -r 25
JungleBook/TJB_WTextless_PAL_ENG/video.mp4
ffmpeg version 1.0.1-tessus Copyright (c) 2000-2012 the FFmpeg
developers
built on Dec 3 2012 23:31:08 with llvm-gcc 4.2.1 (LLVM build
2336.1.00)
configuration: --prefix=/Users/tessus/data/ext/ffmpeg/sw --as=yasm
--extra-version=tessus --disable-shared --enable-static --disable-ffplay
--disable-ffserver --enable-gpl --enable-pthreads --enable-postproc
--enable-libmp3lame --enable-libtheora --enable-libvorbis
--enable-libx264 --enable-libxvid --enable-libspeex --enable-bzlib
--enable-zlib --enable-libopencore-amrnb --enable-libopencore-amrwb
--enable-libxavs --enable-version3 --enable-libvo-aacenc
--enable-libvo-amrwbenc --enable-libvpx --enable-libgsm --enable-libopus
--enable-fontconfig --enable-libfreetype --enable-libass
--enable-filters --enable-runtime-cpudetect
libavutil 51. 73.101 / 51. 73.101
libavcodec 54. 59.100 / 54. 59.100
libavformat 54. 29.104 / 54. 29.104
libavdevice 54. 2.101 / 54. 2.101
libavfilter 3. 17.100 / 3. 17.100
libswscale 2. 1.101 / 2. 1.101
libswresample 0. 15.100 / 0. 15.100
libpostproc 52. 0.100 / 52. 0.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x10281ae00] Stream #0: not enough frames to
estimate rate; consider increasing probesize
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x10281ae00] Stream #2: not enough frames to
estimate rate; consider increasing probesize
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x10281ae00] Stream #3: not enough frames to
estimate rate; consider increasing probesize
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x10281ae00] Stream #4: not enough frames to
estimate rate; consider increasing probesize
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x10281ae00] Stream #5: not enough frames to
estimate rate; consider increasing probesize
Guessed Channel Layout for Input Stream #0.2 : mono
Guessed Channel Layout for Input Stream #0.3 : mono
Guessed Channel Layout for Input Stream #0.4 : mono
Guessed Channel Layout for Input Stream #0.5 : mono
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
'/Volumes/JungleBook_Dig/Media/PAL/TJB_WTextless_PAL_ENG.mov':
Metadata:
major_brand : qt
minor_version : 537134592
compatible_brands: qt
creation_time : 2012-09-10 19:08:12
timecode : 00:58:29:12
Duration: 01:31:42.88, start: 0.000000, bitrate: 53154 kb/s
Stream #0:0(eng): Data: none (tmcd / 0x64636D74)
Metadata:
creation_time : 1970-01-02 12:24:32
timecode : 00:58:29:12
Stream #0:1(eng): Video: mpeg2video (4:2:2) (mx5p / 0x7035786D),
yuv422p, 720x608 [SAR 152:135 DAR 4:3], 50000 kb/s, SAR 16:15 DAR 24:19,
25 fps, 25 tbr, 25 tbn, 50 tbc
Metadata:
creation_time : 1971-02-11 08:43:28
Stream #0:2(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz,
mono, s16, 768 kb/s
Stream #0:3(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz,
mono, s16, 768 kb/s
Metadata:
creation_time : 1970-01-01 00:00:02
Stream #0:4(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz,
mono, s16, 768 kb/s
Stream #0:5(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz,
mono, s16, 768 kb/s
[libx264 @ 0x102828a00] using SAR=16/15
[libx264 @ 0x102828a00] using cpu capabilities: MMX2 SSE2Fast SSSE3
FastShuffle SSE4.2
[libx264 @ 0x102828a00] profile High 4:2:2, level 3.1, 4:2:2 8-bit
[libx264 @ 0x102828a00] 264 - core 128 - H.264/MPEG-4 AVC codec -
Copyleft 2003-2012 - 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 'JungleBook/TJB_WTextless_PAL_ENG/vidzeo.mp4':
Metadata:
major_brand : qt
minor_version : 537134592
compatible_brands: qt
timecode : 00:58:29:12
encoder : Lavf54.29.104
Stream #0:0(eng): Video: h264 ([33][0][0][0] / 0x0021), yuv422p,
720x608 [SAR 16:15 DAR 24:19], q=-1--1, 25 tbn, 25 tbc
Metadata:
creation_time : 1971-02-11 08:43:28
Stream #0:1(eng): Audio: aac ([64][0][0][0] / 0x0040), 48000 Hz,
mono, s16, 128 kb/s
Stream mapping:
Stream #0:1 -> #0:0 (mpeg2video -> libx264)
Stream #0:2 -> #0:1 (pcm_s16le -> libvo_aacenc)
Press [q] to stop, [?] for help
frame= 420 fps=261 q=32766.0 Lsize= 345kB time=00:00:16.79 bitrate=
168.4kbits/s
video:68kB audio:263kB subtitle:0 global headers:0kB muxing overhead
4.159731%
[libx264 @ 0x102828a00] frame I:3 Avg QP:20.83 size: 9860
[libx264 @ 0x102828a00] frame P:105 Avg QP:23.89 size: 141
[libx264 @ 0x102828a00] frame B:312 Avg QP:32.03 size: 80
[libx264 @ 0x102828a00] consecutive B-frames: 1.0% 0.0% 0.0% 99.0%
[libx264 @ 0x102828a00] mb I I16..4: 82.2% 6.5% 11.4%
[libx264 @ 0x102828a00] mb P I16..4: 0.7% 0.1% 0.0% P16..4: 0.8%
0.3% 0.0% 0.0% 0.0% skip:98.1%
[libx264 @ 0x102828a00] mb B I16..4: 0.3% 0.0% 0.0% B16..8: 0.8%
0.1% 0.0% direct: 0.0% skip:98.8% L0:56.0% L1:43.6% BI: 0.4%
[libx264 @ 0x102828a00] 8x8 transform intra:7.2% inter:42.9%
[libx264 @ 0x102828a00] coded y,uvDC,uvAC intra: 5.6% 7.5% 5.4% inter:
0.0% 0.1% 0.0%
[libx264 @ 0x102828a00] i16 v,h,dc,p: 84% 13% 3% 1%
[libx264 @ 0x102828a00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 45% 6% 48% 0%
0% 0% 0% 0% 0%
[libx264 @ 0x102828a00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 49% 25% 19% 1%
1% 1% 1% 1% 2%
[libx264 @ 0x102828a00] i8c dc,h,v,p: 75% 10% 14% 1%
[libx264 @ 0x102828a00] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x102828a00] ref P L0: 78.9% 0.9% 11.3% 8.9%
[libx264 @ 0x102828a00] ref B L0: 60.8% 33.3% 5.8%
[libx264 @ 0x102828a00] ref B L1: 91.9% 8.1%
[libx264 @ 0x102828a00] kb/s:33.04
Received signal 2: terminating.
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