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- init fails if no -vo mpegpes 

- do not fail if unsupported samplerate, instead force resample to 48khz


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7608 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-10-06 00:22:32 +00:00
parent f5faf9e7c9
commit 4defc3ee59
1 changed files with 34 additions and 5 deletions
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39
libao2/ao_mpegpes.c
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@ -76,20 +76,46 @@ static int freq_id=0;
// return: 1=success 0=fail
static int init(int rate,int channels,int format,int flags){
#ifdef HAVE_DVB
if(vo_mpegpes_fd2<0) return 0; // couldn't open audio dev
#else
if(vo_mpegpes_fd<0) return 0; // no file
#endif
ao_data.channels=2;
ao_data.outburst=2000;
ao_data.format=format;
freq=rate;
switch(format){
case AFMT_S16_LE:
case AFMT_S16_BE:
case AFMT_MPEG:
ao_data.format=format;
break;
default:
ao_data.format=AFMT_S16_BE;
}
retry:
switch(rate){
case 48000: freq_id=0;break;
case 96000: freq_id=1;break;
case 44100: freq_id=2;break;
case 32000: freq_id=3;break;
default:
mp_msg(MSGT_AO, MSGL_ERR, "ao_mpegpes: %d Hz not supported, try to resample (RTFM)\n",rate);
return 0;
mp_msg(MSGT_AO, MSGL_ERR, "ao_mpegpes: %d Hz not supported, try to resample...\n",rate);
#if 0
if(rate>48000) rate=96000; else
if(rate>44100) rate=48000; else
if(rate>32000) rate=44100; else
rate=32000;
goto retry;
#else
rate=48000; freq_id=0;
#endif
}
ao_data.bps=rate*2*2;
freq=ao_data.samplerate=rate;
return 1;
}
@ -123,6 +149,7 @@ extern int vo_pts;
static int get_space(){
float x=(float)(vo_pts-ao_data.pts)/90000.0;
int y;
// printf("vo_pts: %5.3f ao_pts: %5.3f\n",vo_pts/90000.0,ao_data.pts/90000.0);
if(x<=0) return 0;
y=freq*4*x;y/=ao_data.outburst;y*=ao_data.outburst;
if(y>32000) y=32000;
@ -134,6 +161,7 @@ static int get_space(){
// it should round it down to outburst*n
// return: number of bytes played
static int play(void* data,int len,int flags){
// printf("\nao_mpegpes: play(%d) freq=%d\n",len,freq_id);
if(ao_data.format==AFMT_MPEG)
send_pes_packet(data,len,0x1C0,ao_data.pts);
else {
@ -141,7 +169,8 @@ static int play(void* data,int len,int flags){
unsigned short *s=data;
// if(len>2000) len=2000;
// printf("ao_mpegpes: len=%d \n",len);
for(i=0;i<len/2;i++) s[i]=(s[i]>>8)|(s[i]<<8); // le<->be
if(ao_data.format==AFMT_S16_LE)
for(i=0;i<len/2;i++) s[i]=(s[i]>>8)|(s[i]<<8); // le<->be
send_lpcm_packet(data,len,0xA0,ao_data.pts,freq_id);
}
return len;