Re: [FFmpeg-user] x264 level option

2016-01-11 Thread Carl Eugen Hoyos 
Lou  lrcd.com> writes:

> Worth reporting as a bug. Related to, 

> or can be considered to be, bug #3307:
> https://trac.ffmpeg.org/ticket/3307

You explicitly requested "level 3.0" in that ticket, 
so this is another issue afaict.

Carl Eugen

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Re: [FFmpeg-user] x264 level option

2016-01-10 Thread Francois Visagie 
> -Original Message-
> From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of
> Lou
> Sent: 11 January 2016 03:15
> To: ffmpeg-user@ffmpeg.org
> Subject: Re: [FFmpeg-user] x264 level option
> 
> On Mon, 11 Jan 2016 01:00:01 +0100
> Moritz Barsnick <barsn...@gmx.net> wrote:
> 
> > In other words: "-level 41" does change something, but not in the same
> > way "-level 4.1" does. :-/
> 
> x264 binary accepts either and outputs the expected number of refs.
> 
> Worth reporting as a bug. Related to, or can be considered to be, bug
> #3307:
> https://trac.ffmpeg.org/ticket/3307

Also see https://trac.ffmpeg.org/ticket/3947 ('-level x.y' vs.'-x264opts 
level=x.y').

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Re: [FFmpeg-user] x264 level option

2016-01-10 Thread Moritz Barsnick 
On Sun, Jan 10, 2016 at 14:33:23 -0900, Lou wrote:
> > I expected the x264 -level option to limit all parameters within the Level
> > specification, but that is not happening.
> Try -level 4.1, not -level 41.

Interesting behavior: preset veryslow, level unspecified vs. 41 vs 4.1:

$ ffmpeg -f lavfi -i testsrc=size=hd720,format=pix_fmts=yuv420p -vcodec libx264 
-preset veryslow -g 8 -t 2 -f mp4 /dev/null -y
[...]
[libx264 @ 0xb129620] profile High, level 5.0
[libx264 @ 0xb129620] 264 - core 146 - H.264/MPEG-4 AVC codec - Copyleft 
2003-2015 - http://www.videolan.org/x264.html - options: cabac=1 ref=16 
deblock=1:0:0 analyse=0x3:0x133 me=umh subme=10 psy=1 psy_rd=1.00:0.00 
mixed_ref=1 me_range=24 chroma_me=1 trellis=2 8x8dct=1 cqm=0 deadzone=21,11 
fast_pskip=1 chroma_qp_offset=-2 threads=3 lookahead_threads=1 sliced_threads=0 
nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=7 
b_pyramid=2 b_adapt=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=8 
keyint_min=1 scenecut=40 intra_refresh=0 rc_lookahead=8 rc=crf mbtree=1 
crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00

$ ffmpeg -f lavfi -i testsrc=size=hd720,format=pix_fmts=yuv420p -vcodec libx264 
-level:v 41 -preset veryslow -g 8 -t 2 -f mp4 /dev/null -y
[...]
[libx264 @ 0xb511400] profile High, level 4.1
[libx264 @ 0xb511400] 264 - core 146 - H.264/MPEG-4 AVC codec - Copyleft 
2003-2015 - http://www.videolan.org/x264.html - options: cabac=1 ref=16 
deblock=1:0:0 analyse=0x3:0x133 me=umh subme=10 psy=1 psy_rd=1.00:0.00 
mixed_ref=1 me_range=24 chroma_me=1 trellis=2 8x8dct=1 cqm=0 deadzone=21,11 
fast_pskip=1 chroma_qp_offset=-2 threads=3 lookahead_threads=1 sliced_threads=0 
nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=7 
b_pyramid=2 b_adapt=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=8 
keyint_min=1 scenecut=40 intra_refresh=0 rc_lookahead=8 rc=crf mbtree=1 
crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00


$ ffmpeg -f lavfi -i testsrc=size=hd720,format=pix_fmts=yuv420p -vcodec libx264 
-level:v 4.1 -preset veryslow -g 8 -t 2 -f mp4 /dev/null -y
[...]
[libx264 @ 0x9d7b400] profile High, level 4.1
[libx264 @ 0x9d7b400] 264 - core 146 - H.264/MPEG-4 AVC codec - Copyleft 
2003-2015 - http://www.videolan.org/x264.html - options: cabac=1 ref=9 
deblock=1:0:0 analyse=0x3:0x133 me=umh subme=10 psy=1 psy_rd=1.00:0.00 
mixed_ref=1 me_range=24 chroma_me=1 trellis=2 8x8dct=1 cqm=0 deadzone=21,11 
fast_pskip=1 chroma_qp_offset=-2 threads=3 lookahead_threads=1 sliced_threads=0 
nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=7 
b_pyramid=2 b_adapt=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=8 
keyint_min=1 scenecut=40 intra_refresh=0 rc_lookahead=8 rc=crf mbtree=1 
crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00

Do observe the reported profiles and levels, and the ref=.

In other words: "-level 41" does change something, but not in the same
way "-level 4.1" does. :-/

Moritz
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Re: [FFmpeg-user] x264 level option

2016-01-10 Thread Lou 
On Mon, 11 Jan 2016 01:00:01 +0100
Moritz Barsnick  wrote:

> In other words: "-level 41" does change something, but not in the same
> way "-level 4.1" does. :-/

x264 binary accepts either and outputs the expected number of refs.

Worth reporting as a bug. Related to, or can be considered to be, bug
#3307:
https://trac.ffmpeg.org/ticket/3307
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[FFmpeg-user] x264 level option

2016-01-10 Thread Elliott Balsley 
I expected the x264 -level option to limit all parameters within the Level
specification, but that is not happening.  I'm encoding 1080p video using
-preset veryslow and -level41.  The veryslow preset uses ref=16, but Level
4.1 only allows 4.  Is the level supposed to take precedence here?  FFmpeg
shows a warning, and the resulting file uses 16 ref frames.

$ ffmpeg -i A011C001_160111_R6QT.mov -an -vf
scale=hd1080,format=pix_fmts=yuv420p -vcodec libx264 -preset veryslow -tune
film -crf 22 -level 41 -profile:v high -g 8 -maxrate 4M -bufsize 10M
A011C001_160111_R6QT.mp4

ffmpeg version 2.7.git Copyright (c) 2000-2015 the FFmpeg developers

  built with Apple LLVM version 6.1.0 (clang-602.0.53) (based on LLVM
3.6.0svn)

  configuration: --prefix=/opt/local --enable-swscale --enable-avfilter
--enable-avresample --enable-libmp3lame --enable-libvorbis --enable-libopus
--enable-libtheora --enable-libschroedinger --enable-libopenjpeg
--enable-libmodplug --enable-libvpx --enable-libspeex --enable-libass
--enable-libbluray --enable-lzma --enable-gnutls --enable-fontconfig
--enable-libfreetype --enable-libfribidi --disable-indev=jack
--disable-outdev=xv --mandir=/opt/local/share/man --enable-shared
--enable-pthreads --cc=/usr/bin/cc --enable-vda --arch=x86_64 --enable-yasm
--enable-gpl --enable-postproc --enable-libx264 --enable-libxvid
--enable-nonfree --enable-libfdk-aac --enable-libfaac

  libavutil  54. 28.100 / 54. 28.100

  libavcodec 56. 49.101 / 56. 49.101

  libavformat56. 40.101 / 56. 40.101

  libavdevice56.  4.100 / 56.  4.100

  libavfilter 5. 25.100 /  5. 25.100

  libavresample   2.  1.  0 /  2.  1.  0

  libswscale  3.  1.101 /  3.  1.101

  libswresample   1.  2.101 /  1.  2.101

  libpostproc53.  3.100 / 53.  3.100

Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'A011C001_160111_R6QT.mov':

  Metadata:

major_brand : qt

minor_version   : 0

compatible_brands: qt

creation_time   : 2016-01-10 22:17:41

  Duration: 00:01:16.41, start: 0.00, bitrate: 80147 kb/s

Stream #0:0(und): Video: prores (apcs / 0x73637061),
yuv422p10le(bt709), 1920x1080, 78994 kb/s, SAR 1:1 DAR 16:9, 23.98 fps,
23.98 tbr, 24k tbn, 24k tbc (default)

Metadata:

  creation_time   : 2016-01-10 22:17:41

  handler_name: Core Media Data Handler

  encoder : Apple ProRes 422 LT

  timecode: 10:12:25:10

Stream #0:1(und): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono,
s32 (24 bit), 1152 kb/s (default)

Metadata:

  creation_time   : 2016-01-10 22:17:41

  handler_name: Core Media Data Handler

Stream #0:2(und): Data: none (tmcd / 0x64636D74) (default)

Metadata:

  creation_time   : 2016-01-10 22:17:41

  handler_name: Core Media Data Handler

  reel_name   : A011R6QT

  timecode: 10:12:25:10

[libx264 @ 0x7fc8b2810c00] using SAR=1/1

[libx264 @ 0x7fc8b2810c00] DPB size (16 frames, 130560 mbs) > level limit
(4 frames, 32768 mbs)

[libx264 @ 0x7fc8b2810c00] using cpu capabilities: MMX2 SSE2Fast SSSE3
SSE4.2

[libx264 @ 0x7fc8b2810c00] profile High, level 4.1

[libx264 @ 0x7fc8b2810c00] 264 - core 142 - H.264/MPEG-4 AVC codec -
Copyleft 2003-2014 - http://www.videolan.org/x264.html - options: cabac=1
ref=16 deblock=1:-1:-1 analyse=0x3:0x133 me=umh subme=10 psy=1
psy_rd=1.00:0.15 mixed_ref=1 me_range=24 chroma_me=1 trellis=2 8x8dct=1
cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-3 threads=36
lookahead_threads=6 sliced_threads=0 nr=0 decimate=1 interlaced=0
bluray_compat=0 constrained_intra=0 bframes=7 b_pyramid=2 b_adapt=2
b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=8 keyint_min=1
scenecut=40 intra_refresh=0 rc_lookahead=59 rc=crf mbtree=1 crf=22.0
qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=4000 vbv_bufsize=1
crf_max=0.0 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00

Output #0, mp4, to 'A011C001_160111_R6QT.mp4':

  Metadata:

major_brand : qt

minor_version   : 0

compatible_brands: qt

encoder : Lavf56.40.101

Stream #0:0(und): Video: h264 (libx264) ([33][0][0][0] / 0x0021),
yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=-1--1, max. 4000 kb/s, 23.98 fps,
24k tbn, 23.98 tbc (default)

Metadata:

  creation_time   : 2016-01-10 22:17:41

  handler_name: Core Media Data Handler

  timecode: 10:12:25:10

  encoder : Lavc56.49.101 libx264

Stream mapping:

  Stream #0:0 -> #0:0 (prores (native) -> h264 (libx264))

Press [q] to stop, [?] for help

frame= 1832 fps= 26 q=-1.0 Lsize=   26656kB time=00:01:16.32
bitrate=2860.9kbits/s

video:26636kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 0.072721%

[libx264 @ 0x7fc8b2810c00] frame I:230   Avg QP:19.08  size: 89888

[libx264 @ 0x7fc8b2810c00] frame P:381   Avg QP:26.40  size:  6312

[libx264 @ 0x7fc8b2810c00] frame B:1221  Avg QP:25.28  size:  3436

[libx264 @ 0x7fc8b2810c00] consecutive B-frames: 16.9%  6.6%  2.5%

Re: [FFmpeg-user] x264 level option

2016-01-10 Thread Lou 
On Sun, 10 Jan 2016 14:55:14 -0800
Elliott Balsley  wrote:

> I expected the x264 -level option to limit all parameters within the Level
> specification, but that is not happening.

Try -level 4.1, not -level 41.
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