mpv/aviparse.c

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// AVI Parser tool v0.1 (C) 2000. by A'rpi/ESP-team
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <linux/cdrom.h>
#include "config.h"
#include "loader.h"
#include "wine/avifmt.h"
//#include "libvo/video_out.h"
#include "linux/timer.h"
#include "linux/shmem.h"
#include "help_avp.h"
#define DEBUG if(0)
//static int show_packets=0;
typedef struct {
// file:
MainAVIHeader avih;
unsigned int movi_start;
unsigned int movi_end;
// index:
AVIINDEXENTRY* idx;
int idx_size;
int idx_pos;
// int a_idx;
// int v_idx;
// video:
AVIStreamHeader video;
char *video_codec;
BITMAPINFOHEADER bih; // in format
BITMAPINFOHEADER o_bih; // out format
HIC hic;
void *our_out_buffer;
char yuv_supported; // 1 if codec support YUY2 output format
char yuv_hack_needed; // requires for divx & mpeg4
// audio:
AVIStreamHeader audio;
char *audio_codec;
char wf_ext[64]; // in format
WAVEFORMATEX wf; // out format
HACMSTREAM srcstream;
int audio_minsize;
} avi_header_t;
avi_header_t avi_header;
#include "aviprint.c"
//#include "codecs.c"
//**************************************************************************//
#include "stream.c"
//#include "demuxer.c"
//#include "demux_avi.c"
static stream_t* stream=NULL;
//**************************************************************************//
extern int errno;
static int play_in_bg=0;
void exit_player(){
// int tmp;
// restore terminal:
getch2_disable();
printf("\n\n");
if(play_in_bg) system("xsetroot -solid \\#000000");
exit(1);
}
void exit_sighandler(int x){
printf("\nmpgplay2 interrupted by signal %d\n",x);
exit_player();
}
int main(int argc,char* argv[]){
char* filename=NULL; //"MI2-Trailer.avi";
int i;
//int seek_to_sec=0;
int seek_to_byte=0;
int f; // filedes
int has_audio=1;
//int audio_format=0;
//int alsa=0;
//int audio_buffer_size=-1;
int audio_id=-1;
//int video_id=-1;
//float default_max_pts_correction=0.01f;
//int delay_corrected=0;
//float force_fps=0;
//float default_fps=25;
//float audio_delay=0;
int stream_type;
//int elementary_stream=0;
int vcd_track=0;
#ifdef VCD_CACHE
int vcd_cache_size=128;
#endif
//char* video_driver="mga"; // default
//int out_fmt=0;
int idx_filepos=0;
FILE *audiofile=NULL;
FILE *videofile=NULL;
char *audiofile_name=NULL;
char *videofile_name=NULL;
printf("%s",banner_text);
for(i=1;i<argc;i++){
if(strcmp(argv[i],"-afile")==0) audiofile_name=argv[++i]; else
if(strcmp(argv[i],"-vfile")==0) videofile_name=argv[++i]; else
// if(strcmp(argv[i],"-sb")==0) seek_to_byte=strtol(argv[++i],NULL,0); else
if(strcmp(argv[i],"-aid")==0) audio_id=strtol(argv[++i],NULL,0); else
// if(strcmp(argv[i],"-vid")==0) video_id=strtol(argv[++i],NULL,0); else
// if(strcmp(argv[i],"-afm")==0) audio_format=strtol(argv[++i],NULL,0); else
// if(strcmp(argv[i],"-vcd")==0) vcd_track=strtol(argv[++i],NULL,0); else
if(strcmp(argv[i],"-h")==0) break; else
if(strcmp(argv[i],"--help")==0) break; else
{ if(filename){ printf("invalid option: %s\n",filename);exit(1);}
filename=argv[i];
}
}
if(!filename){
if(vcd_track) filename="/dev/cdrom";
// else
// filename="/4/Film/Joan of Arc [Hun DivX]/Joan of Arc - CD2.avi";
{ printf("%s",help_text); exit(0);}
}
if(vcd_track){
//============ Open VideoCD track ==============
f=open(filename,O_RDONLY);
if(f<0){ printf("Device not found!\n");return 1; }
vcd_read_toc(f);
if(!vcd_seek_to_track(f,vcd_track)){ printf("Error selecting VCD track!\n");return 1;}
seek_to_byte+=VCD_SECTOR_DATA*vcd_get_msf();
stream_type=STREAMTYPE_VCD;
#ifdef VCD_CACHE
vcd_cache_init(vcd_cache_size);
#endif
} else {
//============ Open plain FILE ============
f=open(filename,O_RDONLY);
if(f<0){ printf("File not found!\n");return 1; }
stream_type=STREAMTYPE_FILE;
}
//============ Open & Sync stream and detect file format ===============
stream=new_stream(f,stream_type);
//=============== Read AVI header:
{ //---- RIFF header:
int id=stream_read_dword_le(stream); // "RIFF"
if(id!=mmioFOURCC('R','I','F','F')){ printf("Not RIFF format file!\n");return 1; }
stream_read_dword_le(stream); //filesize
id=stream_read_dword_le(stream); // "AVI "
if(id!=formtypeAVI){ printf("Not AVI file!\n");return 1; }
}
//---- AVI header:
avi_header.idx_size=0;
while(1){
int id=stream_read_dword_le(stream);
int chunksize,size2;
static int last_fccType=0;
//
if(stream_eof(stream)) break;
//
if(id==mmioFOURCC('L','I','S','T')){
int len=stream_read_dword_le(stream)-4; // list size
id=stream_read_dword_le(stream); // list type
printf("LIST %.4s len=%d\n",&id,len);
if(id==listtypeAVIMOVIE){
// found MOVI header
avi_header.movi_start=stream_tell(stream);
avi_header.movi_end=avi_header.movi_start+len;
// printf("Found movie at 0x%X - 0x%X\n",avi_header.movi_start,avi_header.movi_end);
len=(len+1)&(~1);
stream_skip(stream,len);
}
continue;
}
size2=stream_read_dword_le(stream);
printf("CHUNK %.4s len=%d\n",&id,size2);
chunksize=(size2+1)&(~1);
switch(id){
case ckidAVIMAINHDR: // read 'avih'
stream_read(stream,(char*) &avi_header.avih,sizeof(avi_header.avih));
chunksize-=sizeof(avi_header.avih);
print_avih(&avi_header.avih);
break;
case ckidSTREAMHEADER: { // read 'strh'
AVIStreamHeader h;
stream_read(stream,(char*) &h,sizeof(h));
chunksize-=sizeof(h);
if(h.fccType==streamtypeVIDEO) memcpy(&avi_header.video,&h,sizeof(h));else
if(h.fccType==streamtypeAUDIO) memcpy(&avi_header.audio,&h,sizeof(h));
last_fccType=h.fccType;
print_strh(&h);
break; }
case ckidSTREAMFORMAT: { // read 'strf'
if(last_fccType==streamtypeVIDEO){
stream_read(stream,(char*) &avi_header.bih,sizeof(avi_header.bih));
chunksize-=sizeof(avi_header.bih);
// init_video_codec();
// init_video_out();
} else
if(last_fccType==streamtypeAUDIO){
int z=(chunksize<64)?chunksize:64;
printf("found 'wf', %d bytes of %d\n",chunksize,sizeof(WAVEFORMATEX));
stream_read(stream,(char*) &avi_header.wf_ext,z);
chunksize-=z;
print_wave_header((WAVEFORMATEX*)&avi_header.wf_ext);
// init_audio_codec();
// init_audio_out();
}
break;
}
case ckidAVINEWINDEX: {
avi_header.idx_size=size2>>4;
// printf("Reading INDEX block, %d chunks for %d frames\n",
// avi_header.idx_size,avi_header.avih.dwTotalFrames);
avi_header.idx=malloc(avi_header.idx_size<<4);
idx_filepos=stream_tell(stream);
stream_read(stream,(char*)avi_header.idx,avi_header.idx_size<<4);
chunksize-=avi_header.idx_size<<4;
print_index();
break;
}
}
if(chunksize>0) stream_skip(stream,chunksize); else
if(chunksize<0) printf("WARNING!!! chunksize=%d (id=%.4s)\n",chunksize,&id);
}
printf("----------------------------------------------------------------------\n");
printf("Found movie at 0x%X - 0x%X\n",avi_header.movi_start,avi_header.movi_end);
if(avi_header.idx_size<=0){ printf("No index block found!\n");return 0;}
printf("Index block at 0x%X, %d entries for %d frames\n",idx_filepos,
avi_header.idx_size,avi_header.avih.dwTotalFrames );
stream_reset(stream);
stream_seek(stream,avi_header.movi_start);
avi_header.idx_pos=0;
if(audiofile_name) audiofile=fopen(audiofile_name,"wb");
if(videofile_name) videofile=fopen(videofile_name,"wb");
for(i=0;i<avi_header.idx_size;i++){
#if 0
printf("%.4s %4X %08X %d ",
&avi_header.idx[i].ckid,
avi_header.idx[i].dwFlags,
avi_header.idx[i].dwChunkOffset,
avi_header.idx[i].dwChunkLength
);fflush(stdout);
#endif
if(avi_header.idx[i].ckid&AVIIF_LIST){
// printf("LIST\n");
} else {
int id,size;
stream_seek(stream,avi_header.movi_start+avi_header.idx[i].dwChunkOffset-4);
id=stream_read_dword_le(stream);
size=stream_read_dword_le(stream);
if(id!=avi_header.idx[i].ckid){
printf("ChunkID mismatch! raw=%.4s (0x%X) idx=%.4s (0x%X)\n",
&id,avi_header.movi_start+avi_header.idx[i].dwChunkOffset-4,
&avi_header.idx[i].ckid,idx_filepos+16*i
);
continue;
}
if(size!=avi_header.idx[i].dwChunkLength){
printf("ChunkSize mismatch! raw=%d (0x%X) idx=%d (0x%X)\n",
size,avi_header.movi_start+avi_header.idx[i].dwChunkOffset-4,
avi_header.idx[i].dwChunkLength,idx_filepos+16*i
);
continue;
}
if(id!=mmioFOURCC('J','U','N','K'))
if(TWOCCFromFOURCC(id)==cktypeWAVEbytes){
// audio
int aid=StreamFromFOURCC(id);
if(audio_id==-1) audio_id=aid;
if(audio_id==aid){
if(audiofile){
void* mem=malloc(size);
stream_read(stream,mem,size);
fwrite(mem,size,1,audiofile);
free(mem);
}
} else {
printf("Invalid audio stream id: %d (%.4s)\n",aid,&id);
}
} else
if(LOWORD(id)==aviTWOCC('0','0')){
// video
if(videofile){
void* mem=malloc(size);
stream_read(stream,mem,size);
fwrite(&size,4,1,videofile);
fwrite(mem,size,1,videofile);
free(mem);
}
} else {
// unknown
printf("Unknown chunk: %.4s (%X)\n",&id,id);
}
} // LIST or CHUNK
}
return 0;
}