我的Flex应用程序使用red5记录纯音频FLV文件 – 我想将这些文件转换为SWF文件,以便将其嵌入其他SWF文件中. (我也可以转换为MP3然后自己将它们嵌入到SWF中,但我更喜欢一步到位的解决方案.)

有人有这方面的经验吗？

我尝试过的：

以下naive ffmpeg命令失败：

> ffmpeg -i 3139747641.flv -vn movie.swf

FFmpeg version SVN-r21751-snapshot, Copyright (c) 2000-2010 Fabrice Bellard, et al.

built on Feb 11 2010 09:15:42 with gcc 4.2.1 (SUSE Linux)

configuration: --enable-gpl --enable-nonfree

libavutil 50. 9. 0 / 50. 9. 0

libavcodec 52.53. 0 / 52.53. 0

libavformat 52.52. 0 / 52.52. 0

libavdevice 52. 2. 0 / 52. 2. 0

libswscale 0.10. 0 / 0.10. 0

[flv @ 0x8a5e3a0]Could not find codec parameters (Video: 0x0000)

[flv @ 0x8a5e3a0]Estimating duration from bitrate, this may be inaccurate

Input #0, flv, from '3139747641.flv':

Metadata:

audiocodecid : -1

duration : 0

videocodecid : -1

canSeekToEnd : true

Duration: 00:00:14.88, start: 0.000000, bitrate: N/A

Stream #0.0: Video: 0x0000, 1k tbr, 1k tbn, 1k tbc

Stream #0.1: Audio: nellymoser, 8000 Hz, mono, s16

Output #0, swf, to 'movie.swf':

Stream #0.0: Audio: 0x0000, 8000 Hz, mono, s16, 64 kb/s

Stream mapping:

Stream #0.1 -> #0.0

Encoder (codec id 86017) not found for output stream #0.0

我尝试添加虚拟视频,但这也失败了：

> ffmpeg -i dummy.mov -i 3139747641.flv movie.swf

Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'dummy.mov':

Metadata:

major_brand : qt

minor_version : 512

compatible_brands: qt

encoder : Lavf52.52.0

encoder-eng : Lavf52.52.0

Duration: 00:00:00.10, start: 0.000000, bitrate: 62 kb/s

Stream #0.0(eng): Video: mpeg4, yuv420p, 10x10 [PAR 1:1 DAR 1:1], 1 kb/s, 10 fps, 10 tbr, 10 tbn, 10 tbc

[flv @ 0x8a67fa0]Could not find codec parameters (Video: 0x0000)

[flv @ 0x8a67fa0]Estimating duration from bitrate, this may be inaccurate

Input #1, flv, from '3139747641.flv':

Metadata:

audiocodecid : -1

duration : 0

videocodecid : -1

canSeekToEnd : true

Duration: 00:00:14.88, start: 0.000000, bitrate: N/A

Stream #1.0: Video: 0x0000, 1k tbr, 1k tbn, 1k tbc

Stream #1.1: Audio: nellymoser, 8000 Hz, mono, s16

picture size invalid (0x0)

Cannot allocate temp picture, check pix fmt