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Sur d’autres sites (6845)
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FFmpeg : -vn option ("no video") ignored
8 avril 2014, par ZumteufelI'm having trouble converting and stripping the video part from a video when converting to Ogg and WMA. I'm using the same arguments (apart from the codec) when converting to MP3, and in that case it works as expected.
Example :
$ ffmpeg -y -i {input} -vn -ar 44100 -ac 2 -ab 192k -acodec libvorbis -threads 2 {output}
ffmpeg version 1.2.1 Copyright (c) 2000-2013 the FFmpeg developers
built on May 13 2013 14:06:15 with gcc 4.0.1 (GCC) (Apple Inc. build 5493)
configuration: --prefix=/Volumes/Ramdisk/sw --enable-gpl --enable-pthreads --enable-version3 --enable-libspeex --enable-libvpx --disable-decoder=libvpx --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-avfilter --enable-libopencore_amrwb --enable-libopencore_amrnb --enable-filters --enable-libgsm --arch=x86 --enable-runtime-cpudetect
libavutil 52. 18.100 / 52. 18.100
libavcodec 54. 92.100 / 54. 92.100
libavformat 54. 63.104 / 54. 63.104
libavdevice 54. 3.103 / 54. 3.103
libavfilter 3. 42.103 / 3. 42.103
libswscale 2. 2.100 / 2. 2.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 2.100 / 52. 2.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/Users/jan/Temporary files/b1c5375e311561d509d51c5aadd3162c.part':
Metadata:
major_brand : mp42
minor_version : 0
compatible_brands: isommp42
creation_time : 2013-12-22 02:38:16
Duration: 00:01:28.38, start: 0.000000, bitrate: 1143 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720, 949 kb/s, 29.97 fps, 29.97 tbr, 60k tbn, 59.94 tbc
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 191 kb/s
Metadata:
creation_time : 2013-12-22 02:38:16
handler_name : IsoMedia File Produced by Google, 5-11-2011
[flac @ 0x323bc20] encoding as 24 bits-per-sample
Output #0, ogg, to '/Users/jan/Temporary files/What's this? Amazing brain test!!! Are you different?.ogg':
Metadata:
major_brand : mp42
minor_version : 0
compatible_brands: isommp42
title : What's this? Amazing brain test!!! Are you different?
author : Unknown
artist : Unknown
comment :
encoder : Lavf54.63.104
Stream #0:0(und): Audio: vorbis, 44100 Hz, stereo, fltp, 192 kb/s
Metadata:
creation_time : 2013-12-22 02:38:16
handler_name : IsoMedia File Produced by Google, 5-11-2011
Output #1, ogg, to '/Users/jan/Temporary files/What's this? Amazing brain test!!! Are you different?.ogg':
Metadata:
major_brand : mp42
minor_version : 0
compatible_brands: isommp42
encoder : Lavf54.63.104
Stream #1:0(und): Video: theora, yuv420p, 1280x720, q=2-31, 200 kb/s, 29.97 tbn, 29.97 tbc
Metadata:
handler_name : VideoHandler
Stream #1:1(und): Audio: flac, 44100 Hz, stereo, s32, 128 kb/s
Metadata:
creation_time : 2013-12-22 02:38:16
handler_name : IsoMedia File Produced by Google, 5-11-2011
Stream mapping:
Stream #0:1 -> #0:0 (aac -> libvorbis)
Stream #0:0 -> #1:0 (h264 -> libtheora)
Stream #0:1 -> #1:1 (aac -> flac)The interesting part is the last lines, the stream mapping :
Stream mapping:
Stream #0:1 -> #0:0 (aac -> libvorbis)
Stream #0:0 -> #1:0 (h264 -> libtheora)
Stream #0:1 -> #1:1 (aac -> flac)Where does the flac stream come from ? Why is the H.264 stream converted with libtheora, when I have told FFmpeg to ignore video with the
-vn
option ?If using same procedure as above, but using the libmp3lame codec, I get
Stream mapping:
Stream #0:1 -> #0:0 (aac -> libmp3lame)
Stream #0:1 -> #1:0 (aac -> libmp3lame)which is expected.
Does anyone have any input ?
Thanks in advance !
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Additional : Add new BIN range for MasterCard. (#2088)
9 octobre 2017, par RobJohnstonAdditional : Add new BIN range for MasterCard. (#2088)
Fixes #1904
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Revision a16f075375 : Corrected value range of —cpu-used for vp9 This commit removes undefined value
18 décembre 2014, par Yaowu XuChanged Paths :
Modify /vp9/encoder/vp9_speed_features.c
Modify /vp9/vp9_cx_iface.c
Modify /vpxenc.c
Corrected value range of —cpu-used for vp9This commit removes undefined value options of cpu-used for VP9 and
changed vpxenc prompt to reflect the usable range of [-8,8]Change-Id : Ib80fef3dbb6ec9aabac45ed13e8ab6fbaf94f55e