RepoMirrors
/
mpv
mirror of https://github.com/mpv-player/mpv
1
0
Fork 0
Code Issues Releases Wiki Activity

a52 sync fixed 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3835 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2001-12-28 17:35:10 +00:00
parent b06e33b5f5
commit 9a7cbed6e1
1 changed files with 9 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
dec_audio.c
View File

@ -136,6 +136,9 @@ int length=0;
int flags=0;
int sample_rate=0;
int bit_rate=0;
sh_audio->a_in_buffer_len=0;
// sync frame:
while(1){
while(sh_audio->a_in_buffer_len<7){
int c=demux_getc(sh_audio->ds);
@ -143,23 +146,17 @@ while(1){
sh_audio->a_in_buffer[sh_audio->a_in_buffer_len++]=c;
}
length = a52_syncinfo (sh_audio->a_in_buffer, &flags, &sample_rate, &bit_rate);
if(!length){
// bad file => resync
memcpy(sh_audio->a_in_buffer,sh_audio->a_in_buffer+1,6);
--sh_audio->a_in_buffer_len;
continue;
}
if(length>=7 && length<=3840) break; // we're done.
// bad file => resync
memcpy(sh_audio->a_in_buffer,sh_audio->a_in_buffer+1,6);
--sh_audio->a_in_buffer_len;
}
mp_msg(MSGT_DECAUDIO,MSGL_DBG2,"a52: len=%d flags=0x%X %d Hz %d bit/s\n",length,flags,sample_rate,bit_rate);
if(length<7 || length>3840){
mp_msg(MSGT_DECAUDIO,MSGL_ERR,"a52: invalid frame length: %d\n",length);
continue;
}
sh_audio->samplerate=sample_rate;
sh_audio->i_bps=bit_rate/8;
demux_read_data(sh_audio->ds,sh_audio->a_in_buffer+7,length-7);
return length;
}
}
int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen);
@ -974,6 +971,7 @@ int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen){
sample_t level=1, bias=384;
if(!sh_audio->a_in_buffer_len)
if(a52_fillbuff(sh_audio)<0) break; // EOF
switch(sh_audio->channels){
case 1: flags=A52_MONO; break;
// case 2: flags=A52_STEREO; break;