使用avilib庫進行avi文件的讀寫

#include <stdio.h>
#include <stdlib.h>
#ifdef _WIN32
#include <windows.h>
#else
typedef long DWORD;
#endif
#include "avilib.h"
/*
avi轉avi
by notsobad?
使用avilib進行avi文件的讀寫?
這個例子是用來將一個avi寫入另一個avi
just a simple test?
*/



int main(int argc, const char **argv)
{
char * vidbuf = malloc(327680);
char * audbuf = malloc(100000);
long framesize;
??? avi_t *avifile;
??? avi_t* pAviHandle;
??? int frame;
??? int frames;
??? int framew = 0;
??? int frameh = 0;
??? double framerate = 0.0f;


??? pAviHandle = AVI_open_output_file("test.avi");????
??? if(!pAviHandle)
??? { ??? ????
??????????? printf("avi file open failed /n");?
??????????? return -1;?
??? }
??? avifile = AVI_open_input_file("../vp31.avi", 1); //打開源文件?
??? frames = AVI_video_frames(avifile);
??? framew = AVI_video_width(avifile);
??? frameh = AVI_video_height(avifile);
??? framerate = AVI_frame_rate(avifile);????

????? AVI_set_video(pAviHandle,framew,frameh,framerate,AVI_video_compressor(avifile));//設置video文件頭?
????? AVI_set_audio(pAviHandle, AVI_audio_channels(avifile),?
??????????????????????????????? AVI_audio_rate(avifile),?
??????????????????????????????? AVI_audio_bits(avifile),
??????????????????????????????? AVI_audio_format(avifile),
??????????????????????????????? AVI_audio_mp3rate(avifile));
?????? //設置audio文件頭?????????????????????????
??? //framesize=(long)framew*frameh*3/2;
????? if (AVI_seek_start( avifile )) //尋找文件開始?
????? {
???????????? printf("bad seek start/n");?????????????
???????????? return -2;?
????? }
???? for (frame = 0; frame < frames;frame++)//read and write avi per fream?
???? {
??????? int iskeyframe;//if it's keyframe
??????? AVI_set_video_position(avifile, frame);//將avi文件移動到第fream幀?
??????? long audio_bytes=AVI_audio_size(avifile,frame);//get audo size?
????????
??????? AVI_read_frame(avifile,(char *)vidbuf,&iskeyframe);//read fream set video into vidbuf?
??????? AVI_read_audio(avifile, (char *)audbuf,audio_bytes);//set audio into audbuf
??????? /*
??????? long AVI_audio_size(avi_t *AVI, long frame)
??????? int AVI_write_audio(avi_t *AVI, char *data, long bytes)
??????? long AVI_read_audio(avi_t *AVI, char *audbuf, long bytes)
??????? */
?????? AVI_write_frame(pAviHandle,vidbuf,AVI_frame_size(avifile, frame),iskeyframe);//write video fream by fream
?????? AVI_write_audio(pAviHandle,audbuf,audio_bytes);//write audio fream by fream
????? }?
????? AVI_close(pAviHandle);????
????? AVI_close(avifile);????
??? return 1;?
}

avilib庫下載：http://download.csdn.net/detail/u011403718/9670611

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