mirror of
https://github.com/mpv-player/mpv
synced 2024-12-24 15:52:25 +00:00
337 lines
9.5 KiB
C
337 lines
9.5 KiB
C
// AVI Parser tool v0.1 (C) 2000. by A'rpi/ESP-team
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#include <stdio.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <sys/ioctl.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/time.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <linux/cdrom.h>
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#include "config.h"
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#include "loader.h"
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#include "wine/avifmt.h"
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//#include "libvo/video_out.h"
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#include "linux/timer.h"
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#include "linux/shmem.h"
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#include "help_avp.h"
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#define DEBUG if(0)
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//static int show_packets=0;
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typedef struct {
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// file:
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MainAVIHeader avih;
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unsigned int movi_start;
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unsigned int movi_end;
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// index:
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AVIINDEXENTRY* idx;
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int idx_size;
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int idx_pos;
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// int a_idx;
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// int v_idx;
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// video:
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AVIStreamHeader video;
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char *video_codec;
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BITMAPINFOHEADER bih; // in format
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BITMAPINFOHEADER o_bih; // out format
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HIC hic;
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void *our_out_buffer;
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char yuv_supported; // 1 if codec support YUY2 output format
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char yuv_hack_needed; // requires for divx & mpeg4
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// audio:
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AVIStreamHeader audio;
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char *audio_codec;
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char wf_ext[64]; // in format
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WAVEFORMATEX wf; // out format
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HACMSTREAM srcstream;
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int audio_minsize;
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} avi_header_t;
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avi_header_t avi_header;
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#include "aviprint.c"
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//#include "codecs.c"
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//**************************************************************************//
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#include "stream.c"
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//#include "demuxer.c"
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//#include "demux_avi.c"
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static stream_t* stream=NULL;
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//**************************************************************************//
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extern int errno;
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static int play_in_bg=0;
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void exit_player(){
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// int tmp;
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// restore terminal:
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getch2_disable();
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printf("\n\n");
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if(play_in_bg) system("xsetroot -solid \\#000000");
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exit(1);
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}
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void exit_sighandler(int x){
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printf("\nmpgplay2 interrupted by signal %d\n",x);
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exit_player();
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}
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int main(int argc,char* argv[]){
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char* filename=NULL; //"MI2-Trailer.avi";
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int i;
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//int seek_to_sec=0;
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int seek_to_byte=0;
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int f; // filedes
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int has_audio=1;
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//int audio_format=0;
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//int alsa=0;
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//int audio_buffer_size=-1;
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int audio_id=-1;
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//int video_id=-1;
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//float default_max_pts_correction=0.01f;
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//int delay_corrected=0;
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//float force_fps=0;
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//float default_fps=25;
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//float audio_delay=0;
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int stream_type;
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//int elementary_stream=0;
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int vcd_track=0;
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#ifdef VCD_CACHE
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int vcd_cache_size=128;
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#endif
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//char* video_driver="mga"; // default
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//int out_fmt=0;
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int idx_filepos=0;
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FILE *audiofile=NULL;
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FILE *videofile=NULL;
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char *audiofile_name=NULL;
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char *videofile_name=NULL;
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printf("%s",banner_text);
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for(i=1;i<argc;i++){
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if(strcmp(argv[i],"-afile")==0) audiofile_name=argv[++i]; else
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if(strcmp(argv[i],"-vfile")==0) videofile_name=argv[++i]; else
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// if(strcmp(argv[i],"-sb")==0) seek_to_byte=strtol(argv[++i],NULL,0); else
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if(strcmp(argv[i],"-aid")==0) audio_id=strtol(argv[++i],NULL,0); else
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// if(strcmp(argv[i],"-vid")==0) video_id=strtol(argv[++i],NULL,0); else
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// if(strcmp(argv[i],"-afm")==0) audio_format=strtol(argv[++i],NULL,0); else
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// if(strcmp(argv[i],"-vcd")==0) vcd_track=strtol(argv[++i],NULL,0); else
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if(strcmp(argv[i],"-h")==0) break; else
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if(strcmp(argv[i],"--help")==0) break; else
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{ if(filename){ printf("invalid option: %s\n",filename);exit(1);}
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filename=argv[i];
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}
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}
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if(!filename){
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if(vcd_track) filename="/dev/cdrom";
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// else
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// filename="/4/Film/Joan of Arc [Hun DivX]/Joan of Arc - CD2.avi";
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{ printf("%s",help_text); exit(0);}
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}
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if(vcd_track){
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//============ Open VideoCD track ==============
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f=open(filename,O_RDONLY);
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if(f<0){ printf("Device not found!\n");return 1; }
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vcd_read_toc(f);
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if(!vcd_seek_to_track(f,vcd_track)){ printf("Error selecting VCD track!\n");return 1;}
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seek_to_byte+=VCD_SECTOR_DATA*vcd_get_msf();
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stream_type=STREAMTYPE_VCD;
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#ifdef VCD_CACHE
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vcd_cache_init(vcd_cache_size);
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#endif
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} else {
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//============ Open plain FILE ============
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f=open(filename,O_RDONLY);
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if(f<0){ printf("File not found!\n");return 1; }
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stream_type=STREAMTYPE_FILE;
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}
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//============ Open & Sync stream and detect file format ===============
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stream=new_stream(f,stream_type);
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//=============== Read AVI header:
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{ //---- RIFF header:
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int id=stream_read_dword_le(stream); // "RIFF"
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if(id!=mmioFOURCC('R','I','F','F')){ printf("Not RIFF format file!\n");return 1; }
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stream_read_dword_le(stream); //filesize
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id=stream_read_dword_le(stream); // "AVI "
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if(id!=formtypeAVI){ printf("Not AVI file!\n");return 1; }
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}
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//---- AVI header:
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avi_header.idx_size=0;
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while(1){
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int id=stream_read_dword_le(stream);
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int chunksize,size2;
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static int last_fccType=0;
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//
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if(stream_eof(stream)) break;
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//
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if(id==mmioFOURCC('L','I','S','T')){
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int len=stream_read_dword_le(stream)-4; // list size
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id=stream_read_dword_le(stream); // list type
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printf("LIST %.4s len=%d\n",&id,len);
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if(id==listtypeAVIMOVIE){
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// found MOVI header
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avi_header.movi_start=stream_tell(stream);
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avi_header.movi_end=avi_header.movi_start+len;
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// printf("Found movie at 0x%X - 0x%X\n",avi_header.movi_start,avi_header.movi_end);
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len=(len+1)&(~1);
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stream_skip(stream,len);
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}
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continue;
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}
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size2=stream_read_dword_le(stream);
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printf("CHUNK %.4s len=%d\n",&id,size2);
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chunksize=(size2+1)&(~1);
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switch(id){
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case ckidAVIMAINHDR: // read 'avih'
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stream_read(stream,(char*) &avi_header.avih,sizeof(avi_header.avih));
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chunksize-=sizeof(avi_header.avih);
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print_avih(&avi_header.avih);
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break;
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case ckidSTREAMHEADER: { // read 'strh'
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AVIStreamHeader h;
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stream_read(stream,(char*) &h,sizeof(h));
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chunksize-=sizeof(h);
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if(h.fccType==streamtypeVIDEO) memcpy(&avi_header.video,&h,sizeof(h));else
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if(h.fccType==streamtypeAUDIO) memcpy(&avi_header.audio,&h,sizeof(h));
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last_fccType=h.fccType;
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print_strh(&h);
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break; }
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case ckidSTREAMFORMAT: { // read 'strf'
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if(last_fccType==streamtypeVIDEO){
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stream_read(stream,(char*) &avi_header.bih,sizeof(avi_header.bih));
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chunksize-=sizeof(avi_header.bih);
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// init_video_codec();
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// init_video_out();
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} else
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if(last_fccType==streamtypeAUDIO){
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int z=(chunksize<64)?chunksize:64;
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printf("found 'wf', %d bytes of %d\n",chunksize,sizeof(WAVEFORMATEX));
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stream_read(stream,(char*) &avi_header.wf_ext,z);
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chunksize-=z;
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print_wave_header((WAVEFORMATEX*)&avi_header.wf_ext);
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// init_audio_codec();
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// init_audio_out();
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}
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break;
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}
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case ckidAVINEWINDEX: {
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avi_header.idx_size=size2>>4;
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// printf("Reading INDEX block, %d chunks for %d frames\n",
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// avi_header.idx_size,avi_header.avih.dwTotalFrames);
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avi_header.idx=malloc(avi_header.idx_size<<4);
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idx_filepos=stream_tell(stream);
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stream_read(stream,(char*)avi_header.idx,avi_header.idx_size<<4);
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chunksize-=avi_header.idx_size<<4;
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print_index();
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break;
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}
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}
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if(chunksize>0) stream_skip(stream,chunksize); else
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if(chunksize<0) printf("WARNING!!! chunksize=%d (id=%.4s)\n",chunksize,&id);
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}
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printf("----------------------------------------------------------------------\n");
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printf("Found movie at 0x%X - 0x%X\n",avi_header.movi_start,avi_header.movi_end);
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if(avi_header.idx_size<=0){ printf("No index block found!\n");return 0;}
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printf("Index block at 0x%X, %d entries for %d frames\n",idx_filepos,
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avi_header.idx_size,avi_header.avih.dwTotalFrames );
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stream_reset(stream);
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stream_seek(stream,avi_header.movi_start);
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avi_header.idx_pos=0;
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if(audiofile_name) audiofile=fopen(audiofile_name,"wb");
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if(videofile_name) videofile=fopen(videofile_name,"wb");
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for(i=0;i<avi_header.idx_size;i++){
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#if 0
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printf("%.4s %4X %08X %d ",
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&avi_header.idx[i].ckid,
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avi_header.idx[i].dwFlags,
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avi_header.idx[i].dwChunkOffset,
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avi_header.idx[i].dwChunkLength
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);fflush(stdout);
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#endif
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if(avi_header.idx[i].ckid&AVIIF_LIST){
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// printf("LIST\n");
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} else {
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int id,size;
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stream_seek(stream,avi_header.movi_start+avi_header.idx[i].dwChunkOffset-4);
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id=stream_read_dword_le(stream);
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size=stream_read_dword_le(stream);
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if(id!=avi_header.idx[i].ckid){
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printf("ChunkID mismatch! raw=%.4s (0x%X) idx=%.4s (0x%X)\n",
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&id,avi_header.movi_start+avi_header.idx[i].dwChunkOffset-4,
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&avi_header.idx[i].ckid,idx_filepos+16*i
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);
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continue;
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}
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if(size!=avi_header.idx[i].dwChunkLength){
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printf("ChunkSize mismatch! raw=%d (0x%X) idx=%d (0x%X)\n",
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size,avi_header.movi_start+avi_header.idx[i].dwChunkOffset-4,
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avi_header.idx[i].dwChunkLength,idx_filepos+16*i
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);
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continue;
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}
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if(id!=mmioFOURCC('J','U','N','K'))
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if(TWOCCFromFOURCC(id)==cktypeWAVEbytes){
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// audio
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int aid=StreamFromFOURCC(id);
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if(audio_id==-1) audio_id=aid;
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if(audio_id==aid){
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if(audiofile){
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void* mem=malloc(size);
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stream_read(stream,mem,size);
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fwrite(mem,size,1,audiofile);
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free(mem);
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}
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} else {
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printf("Invalid audio stream id: %d (%.4s)\n",aid,&id);
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}
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} else
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if(LOWORD(id)==aviTWOCC('0','0')){
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// video
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if(videofile){
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void* mem=malloc(size);
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stream_read(stream,mem,size);
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fwrite(&size,4,1,videofile);
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fwrite(mem,size,1,videofile);
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free(mem);
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}
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} else {
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// unknown
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printf("Unknown chunk: %.4s (%X)\n",&id,id);
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}
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} // LIST or CHUNK
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}
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return 0;
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}
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