[Mplayer-cvslog] CVS: main/libao2 ao_dxr3.c,1.10,1.11
David Holm
mswitch at mplayer.dev.hu
Wed Dec 19 15:31:34 CET 2001
Update of /cvsroot/mplayer/main/libao2
In directory mplayer:/var/tmp.root/cvs-serv6746/libao2
Modified Files:
ao_dxr3.c
Log Message:
Remove lame upsampler, cleaned out stuff relating to setting channels.
Index: ao_dxr3.c
===================================================================
RCS file: /cvsroot/mplayer/main/libao2/ao_dxr3.c,v
retrieving revision 1.10
retrieving revision 1.11
diff -u -r1.10 -r1.11
--- ao_dxr3.c 8 Dec 2001 14:40:42 -0000 1.10
+++ ao_dxr3.c 19 Dec 2001 14:31:31 -0000 1.11
@@ -81,11 +81,21 @@
printf("AO: [dxr3] Sample format: %s (requested: %s)\n",
audio_out_format_name(ao_data.format), audio_out_format_name(format));
- ao_data.channels=channels-1;
- if( ioctl (fd_audio, SNDCTL_DSP_STEREO, &ao_data.channels) < 0 )
- printf( "AO: [dxr3] Unable to set number of channels\n" );
+ ao_data.channels=channels;
+ if(format != AFMT_AC3)
+ if(channels>2)
+ if( ioctl (fd_audio, SNDCTL_DSP_CHANNELS, &ao_data.channels) < 0 )
+ printf( "AO: [dxr3] Unable to set number of channels\n" );
+ else
+ {
+ int c = channels-1;
+ if( ioctl(fd_audio,SNDCTL_DSP_STEREO,&c) < 0)
+ printf( "AO: [dxr3] Unable to set number of channels for AC3\n" );
+ }
- ao_data.bps = (channels+1)*rate;
+ ao_data.bps = channels*rate;
+ if(format != AFMT_U8 && format != AFMT_S8)
+ ao_data.bps*=2;
ao_data.samplerate=rate;
if( ioctl (fd_audio, SNDCTL_DSP_SPEED, &ao_data.samplerate) < 0 )
{
@@ -105,7 +115,6 @@
ao_data.samplerate = rate;
}
else printf("AO: [dxr3] Using %d Hz samplerate (requested: %d)\n",ao_data.samplerate,rate);
- if(format == AFMT_AC3 ) ao_data.bps *= 2;
if( ioctl(fd_audio, SNDCTL_DSP_GETOSPACE, &dxr3_buf_info)==-1 )
{
@@ -207,50 +216,8 @@
// return: number of bytes played
static int play(void* data,int len,int flags)
{
- if( ao_data.samplerate < 44100 )
- {
- int i,j,ratio,len2;
- unsigned char *data2,*s,*d;
-
- ratio = 44100/ao_data.samplerate;ratio/=2;ratio*=2;
- len2 = len * ratio;
- data2 = malloc(len2);
-
- s = data;
- d = data2;
-
- //Upsampler
- if( ao_data.format == AFMT_U8 )
- {
- for(i=0;i<ratio/2;i++)
- for(j=0;j<len;j++)
- {
- *d = *s;
- d++;
- *d = *s;
- d++;s++;
- }
- }
- else
- {
- for(i=0;i<ratio/2;i++)
- for(j=0;j<len/2;j++)
- {
- *d = *s;
- d++;s++;
- *d = *s;
- d++;s--;
- *d = *s;
- d++;s++;
- *d = *s;
- d++;s++;
- }
- }
- if( len2 < 0 ) return 0;
- write(fd_audio,data2,len2);
- return len;
- }
- return write(fd_audio,data,len);
+ len /= ao_data.outburst;
+ return write(fd_audio,data,len*ao_data.outburst);
}
// return: delay in seconds between first and last sample in buffer
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