ac3_iec958_build_burst moved from ac3-iec958.c

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5371 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-03-27 21:05:39 +00:00
parent 8f39f4a847
commit b338f41223
1 changed files with 22 additions and 4 deletions

View File

@ -1,5 +1,9 @@
// Reference: DOCS/tech/hwac3.txt !!!!!
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "config.h"
@ -9,7 +13,6 @@
#include "ad_internal.h"
#include "../liba52/a52.h"
#include "../ac3-iec958.h"
extern int a52_fillbuff(sh_audio_t *sh_audio);
@ -81,8 +84,23 @@ static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int m
{
int len=-1;
if(!sh_audio->a_in_buffer_len)
if((len=a52_fillbuff(sh_audio))<0) return len; /*EOF*/
if((len=a52_fillbuff(sh_audio))<=0) return len; /*EOF*/
sh_audio->a_in_buffer_len=0;
len = ac3_iec958_build_burst(len, 0x01, 1, sh_audio->a_in_buffer, buf);
return len;
// int ac3_iec958_build_burst(int length, int data_type, int big_endian, unsigned char * data, unsigned char * out)
// len = ac3_iec958_build_burst(len, 0x01, 1, sh_audio->a_in_buffer, buf);
buf[0] = 0x72;
buf[1] = 0xF8;
buf[2] = 0x1F;
buf[3] = 0x4E;
buf[4] = 0x01; //(length) ? data_type : 0; /* & 0x1F; */
buf[5] = 0x00;
buf[6] = (len << 3) & 0xFF;
buf[7] = (len >> 5) & 0xFF;
swab(sh_audio->a_in_buffer, buf + 8, len);
//memcpy(buf + 8, sh_audio->a_in_buffer, len);
memset(buf + 8 + len, 0, 6144 - 8 - len);
return 6144;
}