用avilib封装avi文件，为什么播放不了，都是黑的！
avi_t* avi= AVI_open_output_file("test.avi");AVI_set_video(avi, 736, 576, 25, "H264");
AVI_write_frame(avi,(char*)Buffer_getUserPtr(hOutBuf),(long)Buffer_getNumBytesUsed(hOutBuf),1)
hOutBuf为硬件编码出来的帧buffer 结构如下
typedef struct _Buffer_Object {
Buffer_Type type;
_Buffer_State origState;
_Buffer_State usedState;
Memory_AllocParams memParams;
Int8 *userPtr;
Int32 physPtr;
Int id;
Bool reference;
BufTab_Handle hBufTab;
Int32 virtualBufferSize;
} _Buffer_Object;
这个帧BUFF是硬件编码器编码出来的帧，是不是要经过处理才能写进去？对这个不很懂，求解！
avilib库在附件！
用ffplay播放 显示一下error log:
ffplay version 1.2 Copyright (c) 2003-2013 the FFmpeg developers
built on Jul 23 2013 10:42:25 with gcc 4.4.3 (Ubuntu 4.4.3-4ubuntu5.1)
configuration: --enable-shared --prefix=/usr/local/ffmpeg/ --disable-yasm
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
max_analyze_duration 5000000 reached at 5000000 microseconds
decoding for stream 0 failed
Could not find codec parameters for stream 0 (Video: mpeg2video (MPEG / 0x4745504D), 736x576): unspecified pixel format
Consider increasing the value for the 'analyzeduration' and 'probesize' options
test.avi: could not find codec parameters
nan A-V:0.000 fd= 0 aq= 0KB vq= 0KB sq= 0B f=0/0
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