看到二楼说的，我自己有弄了个flv视频，发现还是要二次转码
视频信息如下，视频加音频的码率不到300的，无语，每次想搞清晰一点，自己费时费力转换，最后还是被你们二次转码
Playing G:\1.flv.
libavformat file format detected.
ID_VIDEO_ID=0
[lavf] Video stream found, -vid 0
ID_AUDIO_ID=1
[lavf] Audio stream found, -aid 1
VIDEO: [FLV1] 400x300 0bpp 14.000 fps 0.0 kbps ( 0.0 kbyte/s)
ID_FILENAME=G:\1.flv
ID_DEMUXER=lavfpref
ID_VIDEO_FORMAT=FLV1
ID_VIDEO_BITRATE=0
ID_VIDEO_WIDTH=400
ID_VIDEO_HEIGHT=300
ID_VIDEO_FPS=14.000
ID_VIDEO_ASPECT=0.0000
ID_AUDIO_FORMAT=85
ID_AUDIO_BITRATE=64000
ID_AUDIO_RATE=22050
ID_AUDIO_NCH=2
ID_LENGTH=2616.14
Opening video filter: [screenshot]
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffflv] vfm: ffmpeg (FFmpeg Flash video)
==========================================================================
ID_VIDEO_CODEC=ffflv
==========================================================================
Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
AUDIO: 22050 Hz, 2 ch, s16le, 8.0 kbit/1.13% (ratio: 1000->88200)
ID_AUDIO_BITRATE=8000
ID_AUDIO_RATE=22050
ID_AUDIO_NCH=2
Selected audio codec: [mp3] afm: mp3lib (mp3lib MPEG layer-2, layer-3)
==========================================================================
AO: [dsound] 22050Hz 2ch s16le (2 bytes per sample)
ID_AUDIO_CODEC=mp3
Starting playback...
VDec: vo config request - 400 x 300 (preferred colorspace: Planar YV12)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is undefined - no prescaling applied.
[swscaler @ 00D0A850]SwScaler: using unscaled yuv420p -> bgr24 special converter
VO: [directx] 400x300 => 400x300 Planar YV12
这个视频，原来是43分钟左右，被转成了38分钟也就算了，今天发现只能播放到6分55秒后就放不下去了，而且这个清晰度真是不敢恭维。
http://bbs.xinxi110.cn/viewthrea ... id=004Zl00uVB00AMzl
另外我看到所码率在300以下的上传后不二次转码，于是我就花时间把视频转成了H.264的，视频码率260，音频35，转出来后的是297没有超过，但是上传后还是被二次转码了，而且更模糊了。
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本帖最后由 2xy 于 2008-5-5 08:37 编辑 ]
