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mirror of https://github.com/mpv-player/mpv synced 2024-11-03 03:19:24 +01:00

vivo 2.0 support

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2697 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2001-11-04 19:47:19 +00:00
parent d1b9720467
commit 533e296eee

View File

@ -15,6 +15,7 @@ static const short h263_format[8][2] = {
{ 352, 288 },
{ 704, 576 },
{ 1408, 1152 },
{ 320, 240 }
};
unsigned char* buffer;
@ -42,24 +43,35 @@ unsigned int x_get_bits(int n){
#define skip_bits(xxx,n) x_get_bits(n)
#define skip_bits1(xxx) x_get_bits(1)
int format, width, height;
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)
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)
if (get_bits1(&s->gb) != 1){
printf("bad marker\n");
return -1; /* marker */
if (get_bits1(&s->gb) != 0)
}
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 */
@ -72,8 +84,7 @@ int h263_decode_picture_header(unsigned char *b_ptr)
width = h263_format[format][0];
height = h263_format[format][1];
printf("%d x %d\n",width,height);
if (!width)
return -1;
// if (!width) return -1;
printf("pict_type=%d\n",get_bits1(&s->gb));
printf("unrestricted_mv=%d\n",get_bits1(&s->gb));
@ -94,10 +105,14 @@ int h263_decode_picture_header(unsigned char *b_ptr)
} else {
printf("h263_plus = 1\n");
/* H.263v2 */
if (get_bits(&s->gb, 3) != 1)
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 */
}
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);
@ -110,8 +125,8 @@ int h263_decode_picture_header(unsigned char *b_ptr)
skip_bits1(&s->gb);
height = get_bits(&s->gb, 9) * 4;
printf("%d x %d\n",width,height);
if (height == 0)
return -1;
//if (height == 0)
// return -1;
printf("qscale=%d\n",get_bits(&s->gb, 5));
}
@ -132,14 +147,15 @@ int c;
unsigned int head=-1;
int pos=0;
int frames=0;
FILE *f=fopen("bion1vd-28.viv","rb");
FILE *f2=fopen("bion1vd-28.avi","wb");
FILE *f=fopen("GB1.viv","rb");
FILE *f2=fopen("GB1.avi","wb");
aviwrite_t* avi=aviwrite_new_muxer();
aviwrite_stream_t* mux=aviwrite_new_stream(avi,AVIWRITE_TYPE_VIDEO);
//unsigned char* buffer=malloc(0x200000);
int i;
int i,len;
int v_id=0;
int flag=0;
int flag2=0;
mux->buffer_size=0x200000;
mux->buffer=malloc(mux->buffer_size);
@ -154,25 +170,52 @@ mux->bih->biBitCount=24;
mux->bih->biCompression=0x6f766976;// 7669766f;
aviwrite_write_header(avi,f2);
while((c=fgetc(f))>=0){
if(!flag && c!=0x40 && c!=0x10) continue;
flag=1;
/*
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("%02X\n",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;
}
printf("%02X\n",c);
if((c&0xF0)==0x40){
// audio
printf("audio: %02X (24)\n",c);
for(i=0;i<24;i++) fgetc(f);
continue;
}
if(((c&0xF0)==0x10 || (c&0xF0)==0x20) && (c&0x0F)!=v_id){
if((c&0xF0)==0x30){
// audio
printf("audio: %02X (40)\n",c);
for(i=0;i<40;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);
aviwrite_write_chunk(avi,mux,f2,mux->buffer_len,0x10);
mux->buffer_len=0;
if((v_id&0xF0)==0x10) fprintf(stderr,"hmm. last video packet %02X\n",v_id);
}
v_id=c&0x0F;
v_id=c;
flag2=0;
if((c&0xF0)==0x10){
// 128 byte
printf("video: %02X (128)\n",c);
@ -181,16 +224,19 @@ while((c=fgetc(f))>=0){
continue;
}
if((c&0xF0)==0x20){
// 128 byte
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;
continue;
}
printf("error!\n");
printf("error: %02X!\n",c);
}
if(!width) width=320;
if(!height) height=240;
mux->bih->biWidth=width;
mux->bih->biHeight=height;
mux->bih->biSizeImage=3*width*height;