[FFmpeg-user] gain the highest quality with H264 at a certain bit rate
negin tebyani
negin.tebyani at gmail.com
Tue Mar 28 16:07:37 EEST 2017
> you where requested to copy&paste that into your response mail - not more
> and not less
>
>
ok, here is the output:
ffmpeg version 2.8.11-0ubuntu0.16.04.1 Copyright (c) 2000-2017 the FFmpeg
developers
built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.4) 20160609
configuration: --prefix=/usr --extra-version=0ubuntu0.16.04.1
--build-suffix=-ffmpeg --toolchain=hardened
--libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu
--cc=cc --cxx=g++ --enable-gpl --enable-shared --disable-stripping
--disable-decoder=libopenjpeg --disable-decoder=libschroedinger
--enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa
--enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
--enable-libcdio --enable-libflite --enable-libfontconfig
--enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm
--enable-libmodplug --enable-libmp3lame --enable-libopenjpeg
--enable-libopus --enable-libpulse --enable-librtmp
--enable-libschroedinger --enable-libshine --enable-libsnappy
--enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora
--enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack
--enable-libwebp --enable-libx265 --enable-libxvid --enable-libzvbi
--enable-openal --enable-opengl --enable-x11grab --enable-libdc1394
--enable-libiec61883 --enable-libzmq --enable-frei0r --enable-libx264
--enable-libopencv
libavutil 54. 31.100 / 54. 31.100
libavcodec 56. 60.100 / 56. 60.100
libavformat 56. 40.101 / 56. 40.101
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 40.101 / 5. 40.101
libavresample 2. 1. 0 / 2. 1. 0
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 2.101 / 1. 2.101
libpostproc 53. 3.100 / 53. 3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'arsenalVScristalPalas.mp4':
Metadata:
major_brand : avc1
minor_version : 0
compatible_brands: avc1mp42
creation_time : 2017-01-03 09:36:38
Duration: 00:11:01.24, start: 0.000000, bitrate: 4407 kb/s
Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
1280x720 [SAR 1:1 DAR 16:9], 3998 kb/s, 50 fps, 50 tbr, 50 tbn, 100 tbc
(default)
Metadata:
creation_time : 2017-01-03 09:36:38
handler_name : Video Media Handler
encoder : AVC Coding
Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz,
stereo, fltp, 384 kb/s (default)
Metadata:
creation_time : 2017-01-03 09:36:38
handler_name : Sound Media Handler
File 'quantizer2.mp4' already exists. Overwrite ? [y/N] Y
[libx264 @ 0x1e85800] using SAR=1/1
[libx264 @ 0x1e85800] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
AVX FMA3 AVX2 LZCNT BMI2
[libx264 @ 0x1e85800] profile High, level 5.0
[libx264 @ 0x1e85800] 264 - core 148 r2643 5c65704 - H.264/MPEG-4 AVC codec
- Copyleft 2003-2015 - 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=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=2 8x8dct=1
cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6
lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0
bluray_compat=0 constrained_intra=0 bframes=10 b_pyramid=2 b_adapt=2
b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=300 keyint_min=25
scenecut=42 intra_refresh=0 rc_lookahead=60 rc=cbr mbtree=1 bitrate=2048
ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=40 qpstep=4 vbv_maxrate=2048
vbv_bufsize=5000 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00
[mp4 @ 0x1e42ba0] Codec for stream 1 does not use global headers but
container format requires global headers
Output #0, mp4, to 'quantizer2.mp4':
Metadata:
major_brand : avc1
minor_version : 0
compatible_brands: avc1mp42
encoder : Lavf56.40.101
Stream #0:0(eng): Video: h264 (libx264) ([33][0][0][0] / 0x0021),
yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=0-40, 2048 kb/s, 50 fps, 12800 tbn,
50 tbc (default)
Metadata:
creation_time : 2017-01-03 09:36:38
handler_name : Video Media Handler
encoder : Lavc56.60.100 libx264
Stream #0:1(eng): Audio: aac ([64][0][0][0] / 0x0040), 48000 Hz,
stereo, 384 kb/s (default)
Metadata:
creation_time : 2017-01-03 09:36:38
handler_name : Sound Media Handler
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
[mp4 @ 0x1e42ba0] Starting second pass: moving the moov atom to the
beginning of the file
frame= 3000 fps= 14 q=-1.0 Lsize= 17917kB time=00:01:00.00
bitrate=2446.2kbits/s
video:15036kB audio:2812kB subtitle:0kB other streams:0kB global
headers:0kB muxing overhead: 0.384389%
[libx264 @ 0x1e85800] frame I:11 Avg QP:22.14 size: 51638
[libx264 @ 0x1e85800] frame P:691 Avg QP:27.11 size: 12898
[libx264 @ 0x1e85800] frame B:2298 Avg QP:33.45 size: 2574
[libx264 @ 0x1e85800] consecutive B-frames: 1.6% 4.8% 18.9% 6.5% 3.8%
64.0% 0.0% 0.0% 0.0% 0.3% 0.0%
[libx264 @ 0x1e85800] mb I I16..4: 21.9% 53.6% 24.5%
[libx264 @ 0x1e85800] mb P I16..4: 10.6% 11.4% 1.0% P16..4: 36.0% 6.8%
5.4% 0.2% 0.1% skip:28.4%
[libx264 @ 0x1e85800] mb B I16..4: 0.8% 0.9% 0.1% B16..8: 31.3% 2.5%
0.4% direct: 0.8% skip:63.3% L0:43.7% L1:52.4% BI: 3.9%
[libx264 @ 0x1e85800] 8x8 transform intra:50.1% inter:65.1%
[libx264 @ 0x1e85800] direct mvs spatial:99.8% temporal:0.2%
[libx264 @ 0x1e85800] coded y,uvDC,uvAC intra: 23.1% 27.6% 5.5% inter: 4.0%
4.7% 0.5%
[libx264 @ 0x1e85800] i16 v,h,dc,p: 18% 38% 19% 26%
[libx264 @ 0x1e85800] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 16% 21% 24% 5% 6%
6% 8% 6% 9%
[libx264 @ 0x1e85800] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 17% 17% 16% 6% 9%
9% 10% 7% 9%
[libx264 @ 0x1e85800] i8c dc,h,v,p: 61% 22% 12% 5%
[libx264 @ 0x1e85800] Weighted P-Frames: Y:0.1% UV:0.1%
[libx264 @ 0x1e85800] ref P L0: 63.7% 9.2% 12.1% 4.1% 2.4% 1.8% 1.4%
0.9% 0.7% 0.8% 0.5% 0.5% 0.5% 0.5% 0.5% 0.3%
[libx264 @ 0x1e85800] ref B L0: 88.1% 6.3% 2.2% 0.8% 0.6% 0.5% 0.4%
0.2% 0.2% 0.2% 0.1% 0.1% 0.1% 0.1% 0.1%
[libx264 @ 0x1e85800] ref B L1: 94.9% 5.1%
[libx264 @ 0x1e85800] kb/s:2052.83
with 1 pass encoding.
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