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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "wine/mmreg.h"
#include "wine/avifmt.h"
#include "wine/vfw.h"
#include "muxer.h"
static const short h263_format[8][2] = {
{ 0, 0 },
{ 128, 96 },
{ 176, 144 },
{ 352, 288 },
{ 704, 576 },
{ 1408, 1152 },
{ 320, 240 }
};
unsigned char* buffer;
int bufptr=0;
int bitcnt=0;
unsigned char buf=0;
unsigned int x_get_bits(int n){
unsigned int x=0;
while(n-->0){
if(!bitcnt){
// fill buff
buf=buffer[bufptr++];
bitcnt=8;
}
//x=(x<<1)|(buf&1);buf>>=1;
x=(x<<1)|(buf>>7);buf<<=1;
--bitcnt;
}
return x;
}
#define get_bits(xxx,n) x_get_bits(n)
#define get_bits1(xxx) x_get_bits(1)
#define skip_bits(xxx,n) x_get_bits(n)
#define skip_bits1(xxx) x_get_bits(1)
int format;
int width=320;
int height=240;
/* most is hardcoded. should extend to handle all h263 streams */
int h263_decode_picture_header(unsigned char *b_ptr)
{
int i;
for(i=0;i<16;i++) printf(" %02X",b_ptr[i]); printf("\n");
buffer=b_ptr;
bufptr=bitcnt=buf=0;
/* picture header */
if (get_bits(&s->gb, 22) != 0x20){
printf("bad picture header\n");
return -1;
}
skip_bits(&s->gb, 8); /* picture timestamp */
if (get_bits1(&s->gb) != 1){
printf("bad marker\n");
return -1; /* marker */
}
if (get_bits1(&s->gb) != 0){
printf("bad h263 id\n");
return -1; /* h263 id */
}
skip_bits1(&s->gb); /* split screen off */
skip_bits1(&s->gb); /* camera off */
skip_bits1(&s->gb); /* freeze picture release off */
format = get_bits(&s->gb, 3);
if (format != 7) {
printf("h263_plus = 0 format = %d\n",format);
/* H.263v1 */
width = h263_format[format][0];
height = h263_format[format][1];
printf("%d x %d\n",width,height);
// if (!width) return -1;
printf("pict_type=%d\n",get_bits1(&s->gb));
printf("unrestricted_mv=%d\n",get_bits1(&s->gb));
#if 1
printf("SAC: %d\n",get_bits1(&s->gb));
printf("advanced prediction mode: %d\n",get_bits1(&s->gb));
printf("PB frame: %d\n",get_bits1(&s->gb));
#else
if (get_bits1(&s->gb) != 0)
return -1; /* SAC: off */
if (get_bits1(&s->gb) != 0)
return -1; /* advanced prediction mode: off */
if (get_bits1(&s->gb) != 0)
return -1; /* not PB frame */
#endif
printf("qscale=%d\n",get_bits(&s->gb, 5));
skip_bits1(&s->gb); /* Continuous Presence Multipoint mode: off */
} else {
printf("h263_plus = 1\n");
/* H.263v2 */
if (get_bits(&s->gb, 3) != 1){
printf("H.263v2 A error\n");
return -1;
}
if (get_bits(&s->gb, 3) != 6){ /* custom source format */
printf("custom source format\n");
return -1;
}
skip_bits(&s->gb, 12);
skip_bits(&s->gb, 3);
printf("pict_type=%d\n",get_bits(&s->gb, 3) + 1);
// if (s->pict_type != I_TYPE &&
// s->pict_type != P_TYPE)
// return -1;
skip_bits(&s->gb, 7);
skip_bits(&s->gb, 4); /* aspect ratio */
width = (get_bits(&s->gb, 9) + 1) * 4;
skip_bits1(&s->gb);
height = get_bits(&s->gb, 9) * 4;
printf("%d x %d\n",width,height);
//if (height == 0)
// return -1;
printf("qscale=%d\n",get_bits(&s->gb, 5));
}
/* PEI */
while (get_bits1(&s->gb) != 0) {
skip_bits(&s->gb, 8);
}
// s->f_code = 1;
// s->width = width;
// s->height = height;
return 0;
}
int postable[32768];
int main(){
int c;
unsigned int head=-1;
int pos=0;
int frames=0;
FILE *f=fopen("paulvandykforanangel.viv","rb");
FILE *f2=fopen("GB1.avi","wb");
muxer_t* avi=muxer_new_muxer(MUXER_TYPE_AVI,f2);
muxer_stream_t* mux=muxer_new_stream(avi,MUXER_TYPE_VIDEO);
//unsigned char* buffer=malloc(0x200000);
int i,len;
int v_id=0;
int flag=0;
int flag2=0;
int prefix=0;
mux->buffer_size=0x200000;
mux->buffer=malloc(mux->buffer_size);
mux->h.dwScale=1;
mux->h.dwRate=10;
mux->bih=malloc(sizeof(BITMAPINFOHEADER));
mux->bih->biSize=sizeof(BITMAPINFOHEADER);
mux->bih->biPlanes=1;
mux->bih->biBitCount=24;
mux->bih->biCompression=0x6f766976;// 7669766f;
muxer_write_header(avi);
/*
c=fgetc(f); if(c) printf("error! not vivo file?\n");
len=0;
while((c=fgetc(f))>=0x80) len+=0x80*(c&0x0F);
len+=c;
printf("hdr1: %d\n",len);
for(i=0;i<len;i++) fgetc(f);
*/
while((c=fgetc(f))>=0){
printf("%08X %02X\n",ftell(f),c);
prefix=0;
if(c==0x82){
prefix=1;
//continue;
c=fgetc(f);
printf("%08X %02X\n",ftell(f),c);
}
if(c==0x00){
// header
int len=0;
while((c=fgetc(f))>=0x80) len+=0x80*(c&0x0F);
len+=c;
printf("header: 00 (%d)\n",len);
for(i=0;i<len;i++) fgetc(f);
continue;
}
if((c&0xF0)==0x40){
// audio
len=24;
if(prefix) len=fgetc(f);
printf("audio: %02X (%d)\n",c,len);
for(i=0;i<len;i++) fgetc(f);
continue;
}
if((c&0xF0)==0x30){
// audio
len=40;
if(prefix) len=fgetc(f);
printf("audio: %02X (%d)\n",c,len);
for(i=0;i<len;i++) fgetc(f);
continue;
}
if(flag2 || (((c&0xF0)==0x10 || (c&0xF0)==0x20) && (c&0x0F)!=(v_id&0xF))){
// end of frame:
printf("Frame size: %d\n",mux->buffer_len);
h263_decode_picture_header(mux->buffer);
muxer_write_chunk(mux,mux->buffer_len,0x10);
mux->buffer_len=0;
if((v_id&0xF0)==0x10) fprintf(stderr,"hmm. last video packet %02X\n",v_id);
}
flag2=0;
if((c&0xF0)==0x10){
// 128 byte
len=128;
if(prefix) len=fgetc(f);
printf("video: %02X (%d)\n",c,len);
fread(mux->buffer+mux->buffer_len,len,1,f);
mux->buffer_len+=len;
v_id=c;
continue;
}
if((c&0xF0)==0x20){
int len=fgetc(f);
printf("video: %02X (%d)\n",c,len);
fread(mux->buffer+mux->buffer_len,len,1,f);
mux->buffer_len+=len;
flag2=1;
v_id=c;
continue;
}
printf("error: %02X!\n",c);
exit(1);
}
if(!width) width=320;
if(!height) height=240;
mux->bih->biWidth=width;
mux->bih->biHeight=height;
mux->bih->biSizeImage=3*width*height;
muxer_write_index(avi);
fseek(f2,0,SEEK_SET);
muxer_write_header(avi);
}
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