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ChinaFFmpeg»论坛 › 工具使用 › ffplay命令使用 › ffmpeg 引用-vcodec libx264 会报错
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ffmpeg 引用-vcodec libx264 会报错

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hfeiop12
发表于 2013-10-30 09:10:35 | 显示全部楼层 |阅读模式
ffmpeg 转化参数 ./ffmpeg -i "/video/c_054c0389_a.mp4" -ac 2 -ab 128 -ar 22050 -s 1024x768 -y -b 1200k -vcodec libx264 "/video/asssdas.flv"

错误：FFmpeg version SVN-r26402, Copyright (c) 2000-2011 the FFmpeg developers
  built on Sep 11 2013 10:18:48 with gcc 4.1.2 20080704 (Red Hat 4.1.2-54)
  configuration: --enable-gpl --enable-version3 --enable-postproc --enable-nonfree --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libxvid --enable-libx264 --enable-libfaac --enable-pthreads --enable-swscale --enable-avfilter --disable-ffserver --disable-ffplay --enable-shared --arch=x86_64 --extra-cflags=-I/usr/local/include --extra-ldflags=-L/usr/local/lib --prefix=/usr/local
  libavutil     50.36. 0 / 50.36. 0
  libavcore      0.16. 1 /  0.16. 1
  libavcodec    52.108. 0 / 52.108. 0
  libavformat   52.93. 0 / 52.93. 0
  libavdevice   52. 2. 3 / 52. 2. 3
  libavfilter    1.74. 0 /  1.74. 0
  libswscale     0.12. 0 /  0.12. 0
  libpostproc   51. 2. 0 / 51. 2. 0
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/video/c_054c0389_a.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf54.33.100
  Duration: 00:00:25.07, start: 0.072562, bitrate: 1274 kb/s
    Stream #0.0(und): Video: h264, yuv420p, 1024x768, 1207 kb/s, 24 fps, 24 tbr, 12288 tbn, 48 tbc
    Stream #0.1(und): Audio: aac, 22050 Hz, stereo, s16, 64 kb/s
WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s
[buffer @ 0x14dc2fa0] w:1024 h:768 pixfmt:yuv420p
[libx264 @ 0x14dbf400] broken ffmpeg default settings detected
[libx264 @ 0x14dbf400] use an encoding preset (e.g. -vpre medium)
[libx264 @ 0x14dbf400] preset usage: -vpre <speed> -vpre <profile>
[libx264 @ 0x14dbf400] speed presets are listed in x264 --help
[libx264 @ 0x14dbf400] profile is optional; x264 defaults to high
Output #0, flv, to '/video/asssdas.flv':
    Stream #0.0(und): Video: libx264, yuv420p, 1024x768, q=2-31, 1200 kb/s, 90k tbn, 24 tbc
    Stream #0.1(und): Audio: libmp3lame, 22050 Hz, stereo, s16, 0 kb/s
Stream mapping:
  Stream #0.0 -> #0.0
  Stream #0.1 -> #0.1
Error while opening encoder for output stream #0.0 - maybe incorrect parameters such as bit_rate, rate, width or height
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孙悟空
发表于 2013-10-30 09:18:06 | 显示全部楼层
./ffmpeg -i "/video/c_054c0389_a.mp4"  -vcodec libx264  -b:v 1200k -r 25 -vprofile baseline -vlevel  1.0 -acodec mp3 -ac 2 -ab 128 -ar 22050 -s 1024x768 -y -f flv "/video/asssdas.flv"

这么做试试

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hfeiop12
 楼主| 发表于 2013-10-30 09:20:34 | 显示全部楼层
孙悟空 发表于 2013-10-30 09:18
./ffmpeg -i "/video/c_054c0389_a.mp4"  -vcodec libx264  -b:v 1200k -r 25 -vprofile baseline -vlevel ...

没报错 但是  转化出来的 是0KB！
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T-Bagwell
发表于 2013-10-30 09:21:11 | 显示全部楼层
hfeiop12 发表于 2013-10-30 09:20
没报错 但是  转化出来的 是0KB！

能否将输出信息贴出来
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hfeiop12
 楼主| 发表于 2013-10-30 09:21:12 | 显示全部楼层
孙悟空 发表于 2013-10-30 09:18
./ffmpeg -i "/video/c_054c0389_a.mp4"  -vcodec libx264  -b:v 1200k -r 25 -vprofile baseline -vlevel ...

您看下:FFmpeg version SVN-r26402, Copyright (c) 2000-2011 the FFmpeg developers
  built on Sep 11 2013 10:18:48 with gcc 4.1.2 20080704 (Red Hat 4.1.2-54)
  configuration: --enable-gpl --enable-version3 --enable-postproc --enable-nonfree --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libxvid --enable-libx264 --enable-libfaac --enable-pthreads --enable-swscale --enable-avfilter --disable-ffserver --disable-ffplay --enable-shared --arch=x86_64 --extra-cflags=-I/usr/local/include --extra-ldflags=-L/usr/local/lib --prefix=/usr/local
  libavutil     50.36. 0 / 50.36. 0
  libavcore      0.16. 1 /  0.16. 1
  libavcodec    52.108. 0 / 52.108. 0
  libavformat   52.93. 0 / 52.93. 0
  libavdevice   52. 2. 3 / 52. 2. 3
  libavfilter    1.74. 0 /  1.74. 0
  libswscale     0.12. 0 /  0.12. 0
  libpostproc   51. 2. 0 / 51. 2. 0
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/video/c_054c0389_a.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf54.33.100
  Duration: 00:00:25.07, start: 0.072562, bitrate: 1274 kb/s
    Stream #0.0(und): Video: h264, yuv420p, 1024x768, 1207 kb/s, 24 fps, 24 tbr, 12288 tbn, 48 tbc
    Stream #0.1(und): Audio: aac, 22050 Hz, stereo, s16, 64 kb/s
Unrecognized option 'b:v'
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T-Bagwell
发表于 2013-10-30 09:26:35 | 显示全部楼层
hfeiop12 发表于 2013-10-30 09:21
您看下:FFmpeg version SVN-r26402, Copyright (c) 2000-2011 the FFmpeg developers
  built on Sep 11  ...

如果可以的话，换一个新版本的ffmpeg吧

  2. [StevenLiu@localhost test_movie]$ ffmpeg -i "./yedian.avi"  -vcodec libx264  -b:v 1200k -r 25 -vprofile baseline -vlevel  1.0 -acodec mp3 -ac 2 -ab 128 -ar 22050 -s 1024x768 -y -f flv "./asssdas.flv"
  3. ffmpeg version N-57291-g80b8f78 Copyright (c) 2000-2013 the FFmpeg developers
  4.   built on Oct 22 2013 06:43:55 with llvm-gcc 4.2.1 (LLVM build 2336.11.00)
  5.   configuration: --enable-libx264 --enable-libmp3lame --enable-gpl
  6.   libavutil      52. 47.101 / 52. 47.101
  7.   libavcodec     55. 37.102 / 55. 37.102
  8.   libavformat    55. 19.103 / 55. 19.103
  9.   libavdevice    55.  4.100 / 55.  4.100
  10.   libavfilter     3. 88.102 /  3. 88.102
  11.   libswscale      2.  5.101 /  2.  5.101
  12.   libswresample   0. 17.104 /  0. 17.104
  13.   libpostproc    52.  3.100 / 52.  3.100
  14. Input #0, avi, from './yedian.avi':
  15.   Metadata:
  16.     encoder         : VirtualDubMod 1.5.10.2 (build 2540/release)
  17.   Duration: 01:30:10.25, start: 0.000000, bitrate: 1086 kb/s
  18.     Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (XVID / 0x44495658), yuv420p, 640x352 [SAR 1:1 DAR 20:11], 25 tbr, 25 tbn, 25 tbc
  19.     Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, stereo, s16p, 129 kb/s
  20. [libx264 @ 0x7fcd2a017400] using SAR=15/11
  21. [libx264 @ 0x7fcd2a017400] frame MB size (64x48) > level limit (99)
  22. [libx264 @ 0x7fcd2a017400] DPB size (3 frames, 9216 mbs) > level limit (0 frames, 396 mbs)
  23. [libx264 @ 0x7fcd2a017400] MB rate (76800) > level limit (1485)
  24. [libx264 @ 0x7fcd2a017400] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
  25. [libx264 @ 0x7fcd2a017400] profile Constrained Baseline, level 1.0
  26. [libx264 @ 0x7fcd2a017400] 264 - core 133 r2334M a3ac64b - H.264/MPEG-4 AVC codec - Copyleft 2003-2013 - http://www.videolan.org/x264.html - options: cabac=0 ref=3 deblock=1:0:0 analyse=0x1:0x111 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=0 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=0 weightp=0 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=1200 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
  27. [libmp3lame @ 0x7fcd2a018200] Bitrate 128 is extremely low, maybe you mean 128k
  28. The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s
  29. Output #0, flv, to './asssdas.flv':
  30.   Metadata:
  31.     encoder         : Lavf55.19.103
  32.     Stream #0:0: Video: h264 (libx264) ([7][0][0][0] / 0x0007), yuv420p, 1024x768 [SAR 15:11 DAR 20:11], q=-1--1, 1200 kb/s, 1k tbn, 25 tbc
  33.     Stream #0:1: Audio: mp3 (libmp3lame) ([2][0][0][0] / 0x0002), 22050 Hz, stereo, s16p, 0 kb/s
  34. Stream mapping:
  35.   Stream #0:0 -> #0:0 (mpeg4 -> libx264)
  36.   Stream #0:1 -> #0:1 (mp3 -> libmp3lame)
  37. Press [q] to stop, [?] for help
  38. [mpeg4 @ 0x7fcd29169a00] Video uses a non-standard and wasteful way to store B-frames ('packed B-frames'). Consider using a tool like VirtualDub or avidemux to fix it.
  39. frame=  525 fps=116 q=-1.0 Lsize=    3168kB time=00:00:21.65 bitrate=1198.2kbits/s   
  40. video:2974kB audio:170kB subtitle:0 global headers:0kB muxing overhead 0.750449%
  41. [libx264 @ 0x7fcd2a017400] frame I:4     Avg QP:10.70  size: 14751
  42. [libx264 @ 0x7fcd2a017400] frame P:521   Avg QP: 9.21  size:  5732
  43. [libx264 @ 0x7fcd2a017400] mb I  I16..4: 92.9%  0.0%  7.1%
  44. [libx264 @ 0x7fcd2a017400] mb P  I16..4:  2.9%  0.0%  1.2%  P16..4:  5.5%  1.8%  0.9%  0.0%  0.0%    skip:87.7%
  45. [libx264 @ 0x7fcd2a017400] final ratefactor: 13.49
  46. [libx264 @ 0x7fcd2a017400] coded y,uvDC,uvAC intra: 28.1% 34.5% 29.9% inter: 4.5% 4.4% 2.3%
  47. [libx264 @ 0x7fcd2a017400] i16 v,h,dc,p: 82%  8%  3%  7%
  48. [libx264 @ 0x7fcd2a017400] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 25% 28% 13%  4%  7%  7%  7%  4%  5%
  49. [libx264 @ 0x7fcd2a017400] i8c dc,h,v,p: 71% 12%  9%  7%
  50. [libx264 @ 0x7fcd2a017400] ref P L0: 90.3%  6.4%  3.2%
  51. [libx264 @ 0x7fcd2a017400] kb/s:1160.08

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hfeiop12
 楼主| 发表于 2013-10-30 09:26:40 | 显示全部楼层
T-Bagwell 发表于 2013-10-30 09:21
能否将输出信息贴出来

输出：FFmpeg version SVN-r26402, Copyright (c) 2000-2011 the FFmpeg developers
  built on Sep 11 2013 10:18:48 with gcc 4.1.2 20080704 (Red Hat 4.1.2-54)
  configuration: --enable-gpl --enable-version3 --enable-postproc --enable-nonfree --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libxvid --enable-libx264 --enable-libfaac --enable-pthreads --enable-swscale --enable-avfilter --disable-ffserver --disable-ffplay --enable-shared --arch=x86_64 --extra-cflags=-I/usr/local/include --extra-ldflags=-L/usr/local/lib --prefix=/usr/local
  libavutil     50.36. 0 / 50.36. 0
  libavcore      0.16. 1 /  0.16. 1
  libavcodec    52.108. 0 / 52.108. 0
  libavformat   52.93. 0 / 52.93. 0
  libavdevice   52. 2. 3 / 52. 2. 3
  libavfilter    1.74. 0 /  1.74. 0
  libswscale     0.12. 0 /  0.12. 0
  libpostproc   51. 2. 0 / 51. 2. 0
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/video/c_054c0389_a.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf54.33.100
  Duration: 00:00:25.07, start: 0.072562, bitrate: 1274 kb/s
    Stream #0.0(und): Video: h264, yuv420p, 1024x768, 1207 kb/s, 24 fps, 24 tbr, 12288 tbn, 48 tbc
    Stream #0.1(und): Audio: aac, 22050 Hz, stereo, s16, 64 kb/s
Unrecognized option 'b:v'
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T-Bagwell
发表于 2013-10-30 09:27:33 | 显示全部楼层
hfeiop12 发表于 2013-10-30 09:26
输出：FFmpeg version SVN-r26402, Copyright (c) 2000-2011 the FFmpeg developers
  built on Sep 11 2 ...

或者

./ffmpeg -i "/video/c_054c0389_a.mp4"  -vcodec libx264  -b 1200k -r 25 -vprofile baseline -vlevel  1.0 -acodec mp3 -ac 2 -ab 128 -ar 22050 -s 1024x768 -y -f flv "/video/asssdas.flv"
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Liang
发表于 2013-10-30 09:27:46 | 显示全部楼层
b:v 改成 vb 试试
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hfeiop12
 楼主| 发表于 2013-10-30 09:28:23 | 显示全部楼层
T-Bagwell 发表于 2013-10-30 09:26
如果可以的话，换一个新版本的ffmpeg吧

您能给个新地址 下载嘛！  因为 我是用 命令行下载的 以为 是最新的！
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