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authorSND\weimingzhi_cp <SND\weimingzhi_cp@e17a0e51-4ae3-4d35-97c3-1a29b211df97>2009-08-31 14:58:40 +0000
committerSND\weimingzhi_cp <SND\weimingzhi_cp@e17a0e51-4ae3-4d35-97c3-1a29b211df97>2009-08-31 14:58:40 +0000
commit494d576a0bf41b6db70e28fd4544b8e6925fd124 (patch)
tree059cb4757efb4696b4bd94858d776677c66cdcf6 /plugins
parent507ff7fa3cb06c2c6a1d3665b325ab6c572a2825 (diff)
downloadpcsxr-494d576a0bf41b6db70e28fd4544b8e6925fd124.tar.gz
git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@28462 e17a0e51-4ae3-4d35-97c3-1a29b211df97
Diffstat (limited to 'plugins')
-rw-r--r--plugins/dfsound/alsa.c109
1 files changed, 103 insertions, 6 deletions
diff --git a/plugins/dfsound/alsa.c b/plugins/dfsound/alsa.c
index 2050c6ad..3aadc588 100644
--- a/plugins/dfsound/alsa.c
+++ b/plugins/dfsound/alsa.c
@@ -30,17 +30,96 @@
static snd_pcm_t *handle = NULL;
static snd_pcm_uframes_t buffer_size;
+static snd_pcm_t *handle_cdda = NULL;
+
+// SETUP CDDA SOUND
+void SetupCDDASound(void)
+{
+ snd_pcm_hw_params_t *hwparams;
+ unsigned int pspeed;
+ int pchannels = 2;
+ int format;
+ unsigned int buffer_time = 500000;
+ unsigned int period_time = buffer_time / 4;
+ int err;
+
+ pspeed = 44100;
+ format = SND_PCM_FORMAT_S16_LE;
+
+ if ((err = snd_pcm_open(&handle_cdda, "default",
+ SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK)) < 0)
+ {
+ printf("Audio open error: %s\n", snd_strerror(err));
+ return;
+ }
+
+ if((err = snd_pcm_nonblock(handle_cdda, 0))<0)
+ {
+ printf("Can't set blocking moded: %s\n", snd_strerror(err));
+ return;
+ }
+
+ snd_pcm_hw_params_alloca(&hwparams);
+
+ if((err=snd_pcm_hw_params_any(handle_cdda, hwparams))<0)
+ {
+ printf("Broken configuration for this PCM: %s\n", snd_strerror(err));
+ return;
+ }
+
+ if((err=snd_pcm_hw_params_set_access(handle_cdda, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED))<0)
+ {
+ printf("Access type not available: %s\n", snd_strerror(err));
+ return;
+ }
+
+ if((err=snd_pcm_hw_params_set_format(handle_cdda, hwparams, format))<0)
+ {
+ printf("Sample format not available: %s\n", snd_strerror(err));
+ return;
+ }
+
+ if((err=snd_pcm_hw_params_set_channels(handle_cdda, hwparams, pchannels))<0)
+ {
+ printf("Channels count not available: %s\n", snd_strerror(err));
+ return;
+ }
+
+ if((err=snd_pcm_hw_params_set_rate_near(handle_cdda, hwparams, &pspeed, 0))<0)
+ {
+ printf("Rate not available: %s\n", snd_strerror(err));
+ return;
+ }
+
+ if((err=snd_pcm_hw_params_set_buffer_time_near(handle_cdda, hwparams, &buffer_time, 0))<0)
+ {
+ printf("Buffer time error: %s\n", snd_strerror(err));
+ return;
+ }
+
+ if((err=snd_pcm_hw_params_set_period_time_near(handle_cdda, hwparams, &period_time, 0))<0)
+ {
+ printf("Period time error: %s\n", snd_strerror(err));
+ return;
+ }
+
+ if((err=snd_pcm_hw_params(handle_cdda, hwparams))<0)
+ {
+ printf("Unable to install hw params: %s\n", snd_strerror(err));
+ return;
+ }
+}
+
// SETUP SOUND
void SetupSound(void)
{
snd_pcm_hw_params_t *hwparams;
- snd_pcm_sw_params_t *swparams;
snd_pcm_status_t *status;
- int pspeed;
+ unsigned int pspeed;
int pchannels;
int format;
- int buffer_time = 50000;
- int period_time = buffer_time / 4;
+ unsigned int buffer_time = 50000;
+ unsigned int period_time = buffer_time / 4;
int err;
if (iDisStereo) pchannels = 1;
@@ -63,7 +142,7 @@ void SetupSound(void)
}
snd_pcm_hw_params_alloca(&hwparams);
- snd_pcm_sw_params_alloca(&swparams);
+
if((err=snd_pcm_hw_params_any(handle, hwparams))<0)
{
printf("Broken configuration for this PCM: %s\n", snd_strerror(err));
@@ -120,6 +199,8 @@ void SetupSound(void)
}
buffer_size = snd_pcm_status_get_avail(status);
+
+ SetupCDDASound();
}
// REMOVE SOUND
@@ -131,6 +212,13 @@ void RemoveSound(void)
snd_pcm_close(handle);
handle = NULL;
}
+
+ if(handle_cdda != NULL)
+ {
+ snd_pcm_drop(handle_cdda);
+ snd_pcm_close(handle_cdda);
+ handle_cdda = NULL;
+ }
}
// GET BYTES BUFFERED
@@ -160,5 +248,14 @@ void SoundFeedStreamData(unsigned char* pSound,long lBytes)
iDisStereo ? lBytes / 2 : lBytes / 4);
}
-#endif
+// PLAY CDDA CHANNEL
+void CALLBACK SPUplayCDDAchannel(short* pcm, int nbytes)
+{
+ if (handle_cdda == NULL) SetupCDDASound();
+
+ if (snd_pcm_state(handle_cdda) == SND_PCM_STATE_XRUN)
+ snd_pcm_prepare(handle_cdda);
+ snd_pcm_writei(handle_cdda, (unsigned char *)pcm, nbytes / 4);
+}
+#endif