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removed functions that were used to parse mpeg12 video (no more video); patch by John Donaghy

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@23531 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
nicodvb 2007-06-10 09:25:09 +00:00
parent 83a2c50ef9
commit 6099913ed0
1 changed files with 0 additions and 69 deletions
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69
libmpdemux/demux_asf.c
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@ -14,11 +14,6 @@
#include "libvo/fastmemcpy.h"
#define ASFMIN(a,b) ((a) > (b) ? (b) : (a))
#define SLICE_MIN_START_CODE 0x00000101
#define SLICE_MAX_START_CODE 0x000001af
#define END_NOT_FOUND -100
/*
* Load 16/32-bit values in little endian byte order
* from an unaligned address
@ -85,70 +80,6 @@ static void init_priv (struct asf_priv* asf){
#define FF_INPUT_BUFFER_PADDING_SIZE 8
#endif
static const uint8_t *find_start_code(const uint8_t * restrict p, const uint8_t *end, uint32_t * restrict state){
int i;
if(p>=end)
return end;
for(i=0; i<3; i++){
uint32_t tmp= *state << 8;
*state= tmp + *(p++);
if(tmp == 0x100 || p==end)
return p;
}
while(p<end){
if (p[-1] > 1 ) p+= 3;
else if(p[-2] ) p+= 2;
else if(p[-3]|(p[-1]-1)) p++;
else{
p++;
break;
}
}
p= ASFMIN(p, end)-4;
*state= LOAD_BE32(p);
return p+4;
}
static int mpeg1_find_frame_end(demuxer_t *demux, const uint8_t *buf, int buf_size)
{
int i;
struct asf_priv* asf = demux->priv;
i=0;
if(!asf->asf_frame_start_found){
for(i=0; i<buf_size; i++){
i= find_start_code(buf+i, buf+buf_size, &asf->asf_frame_state) - buf - 1;
if(asf->asf_frame_state >= SLICE_MIN_START_CODE && asf->asf_frame_state <= SLICE_MAX_START_CODE){
i++;
asf->asf_frame_start_found=1;
break;
}
}
}
if(asf->asf_frame_start_found){
/* EOF considered as end of frame */
if (buf_size == 0)
return 0;
for(; i<buf_size; i++){
i= find_start_code(buf+i, buf+buf_size, &asf->asf_frame_state) - buf - 1;
if((asf->asf_frame_state&0xFFFFFF00) == 0x100){
//if NOT in range 257 - 431
if(asf->asf_frame_state < SLICE_MIN_START_CODE || asf->asf_frame_state > SLICE_MAX_START_CODE){
asf->asf_frame_start_found=0;
asf->asf_frame_state=-1;
return i-3;
}
}
}
}
return END_NOT_FOUND;
}
static void demux_asf_append_to_packet(demux_packet_t* dp,unsigned char *data,int len,int offs)
{