无论使用什么库/SDK，我都希望非常快速地从 avi 转换为 asf（我什至可以牺牲一些视频和音频的质量）。 我正在Windows平台上工作（Vista和2008 Server），更好的.Net SDK/代码，C++代码也可以。 :-)
我从下面的链接了解到，可能有一种非常快速的方法可以从 avi 转换为 asf 以更好地支持流媒体，如前面提到的“可以使用简单的副本将视频从 AVI 转换为 ASF 格式（即内容是相同，但容器发生变化）。”。 我的问题是，经过几个小时的学习和试用各种 SDK/工具后，作为新手，我不知道如何开始，所以我要求参考示例代码来完成此任务。 :-)
（因为这是一个不同的问题，我们决定开始一个新主题。:-) ）
问题带有流式 AVI 文件
提前致谢，
乔治
编辑1：
我试图从
http://ffmpeg.arrozcru.org/autobuilds/ffmpeg-latest-mingw32-static.tar.bz2
然后运行以下命令，
C:\software\ffmpeg-latest-mingw32-static\bin>ffmpeg.exe -i test.avi -acodec copy
-vcodec copy test.asf
FFmpeg version SVN-r18506, Copyright (c) 2000-2009 Fabrice Bellard, et al.
configuration: --enable-memalign-hack --prefix=/mingw --cross-prefix=i686-ming
w32- --cc=ccache-i686-mingw32-gcc --target-os=mingw32 --arch=i686 --cpu=i686 --e
nable-avisynth --enable-gpl --enable-zlib --enable-bzlib --enable-libgsm --enabl
e-libfaac --enable-pthreads --enable-libvorbis --enable-libmp3lame --enable-libo
penjpeg --enable-libtheora --enable-libspeex --enable-libxvid --enable-libfaad -
-enable-libschroedinger --enable-libx264
libavutil 50. 3. 0 / 50. 3. 0
libavcodec 52.25. 0 / 52.25. 0
libavformat 52.32. 0 / 52.32. 0
libavdevice 52. 2. 0 / 52. 2. 0
libswscale 0. 7. 1 / 0. 7. 1
built on Apr 14 2009 04:04:47, gcc: 4.2.4
Input #0, avi, from 'test.avi':
Duration: 00:00:44.86, start: 0.000000, bitrate: 5291 kb/s
Stream #0.0: Video: msvideo1, rgb555le, 1280x1024, 5 tbr, 5 tbn, 5 tbc
Stream #0.1: Audio: pcm_s16le, 22050 Hz, mono, s16, 352 kb/s
Output #0, asf, to 'test.asf':
Stream #0.0: Video: CRAM / 0x4D415243, rgb555le, 1280x1024, q=2-31, 1k tbn,
5 tbc
Stream #0.1: Audio: pcm_s16le, 22050 Hz, mono, s16, 352 kb/s
Stream mapping:
Stream #0.0 -> #0.0
Stream #0.1 -> #0.1
Press [q] to stop encoding
frame= 224 fps=222 q=-1.0 Lsize= 29426kB time=44.80 bitrate=5380.7kbits/s
video:26910kB audio:1932kB global headers:0kB muxing overhead 2.023317%
C:\software\ffmpeg-latest-mingw32-static\bin>
http://www.microsoft.com/windows /windowsmedia/player/webhelp/default.aspx?&mpver=11.0.6001.7000&id=C00D11B1&contextid=230&originalid=C00D36E6
然后使用Windows Media Player播放时出现以下错误，是否有人有主意吗？
http://www.microsoft.com/windows/windowsmedia/player/webhelp/default.aspx?&mpver=11.0.6001.7000&id=C00D11B1&contextid=230&originalid=C00D36E6
No matter what library/SDK to use, I want to convert from avi to asf very quickly (I could even sacrifice some quality of video and audio). I am working on Windows platform (Vista and 2008 Server), better .Net SDK/code, C++ code is also fine. :-)
I learned from the below link, that there could be a very quick way to convert from avi to asf to support streaming better, as mentioned "could convert the video from AVI to ASF format using a simple copy (i.e. the content is the same, but container changes).". My question is after some hours of study and trial various SDK/tools, as a newbie, I do not know how to begin with so I am asking for reference sample code to do this task. :-)
(as this is a different issue, we decide to start a new topic. :-) )
Issue with streaming AVI files
thanks in advance,
George
EDIT 1:
I have tried to get the binary of ffmpeg from,
http://ffmpeg.arrozcru.org/autobuilds/ffmpeg-latest-mingw32-static.tar.bz2
then run the following command,
C:\software\ffmpeg-latest-mingw32-static\bin>ffmpeg.exe -i test.avi -acodec copy
-vcodec copy test.asf
FFmpeg version SVN-r18506, Copyright (c) 2000-2009 Fabrice Bellard, et al.
configuration: --enable-memalign-hack --prefix=/mingw --cross-prefix=i686-ming
w32- --cc=ccache-i686-mingw32-gcc --target-os=mingw32 --arch=i686 --cpu=i686 --e
nable-avisynth --enable-gpl --enable-zlib --enable-bzlib --enable-libgsm --enabl
e-libfaac --enable-pthreads --enable-libvorbis --enable-libmp3lame --enable-libo
penjpeg --enable-libtheora --enable-libspeex --enable-libxvid --enable-libfaad -
-enable-libschroedinger --enable-libx264
libavutil 50. 3. 0 / 50. 3. 0
libavcodec 52.25. 0 / 52.25. 0
libavformat 52.32. 0 / 52.32. 0
libavdevice 52. 2. 0 / 52. 2. 0
libswscale 0. 7. 1 / 0. 7. 1
built on Apr 14 2009 04:04:47, gcc: 4.2.4
Input #0, avi, from 'test.avi':
Duration: 00:00:44.86, start: 0.000000, bitrate: 5291 kb/s
Stream #0.0: Video: msvideo1, rgb555le, 1280x1024, 5 tbr, 5 tbn, 5 tbc
Stream #0.1: Audio: pcm_s16le, 22050 Hz, mono, s16, 352 kb/s
Output #0, asf, to 'test.asf':
Stream #0.0: Video: CRAM / 0x4D415243, rgb555le, 1280x1024, q=2-31, 1k tbn,
5 tbc
Stream #0.1: Audio: pcm_s16le, 22050 Hz, mono, s16, 352 kb/s
Stream mapping:
Stream #0.0 -> #0.0
Stream #0.1 -> #0.1
Press [q] to stop encoding
frame= 224 fps=222 q=-1.0 Lsize= 29426kB time=44.80 bitrate=5380.7kbits/s
video:26910kB audio:1932kB global headers:0kB muxing overhead 2.023317%
C:\software\ffmpeg-latest-mingw32-static\bin>
http://www.microsoft.com/windows/windowsmedia/player/webhelp/default.aspx?&mpver=11.0.6001.7000&id=C00D11B1&contextid=230&originalid=C00D36E6
then have the following error when using Windows Media Player to play it, does anyone have any ideas?
http://www.microsoft.com/windows/windowsmedia/player/webhelp/default.aspx?&mpver=11.0.6001.7000&id=C00D11B1&contextid=230&originalid=C00D36E6
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评论（1）
也许你可以使用 FFMPEG 并运行这样的命令（我没有尝试过）：
Maybe you could use FFMPEG and run a command like this (I haven't tried):