allow multiple sound drivers to be compiled

[pcsx_rearmed.git] / plugins / dfsound / alsa.c

diff --git a/plugins/dfsound/alsa.c b/plugins/dfsound/alsa.c
index c67943a..58900cc 100644 (file)
--- a/plugins/dfsound/alsa.c
+++ b/plugins/dfsound/alsa.c
@@ -15,21 +15,17 @@
  *                                                                         *
  ***************************************************************************/
 
-#include "stdafx.h"
-
-#define _IN_OSS
-
-#include "externals.h"
-
+#include <stdio.h>
 #define ALSA_PCM_NEW_HW_PARAMS_API
 #define ALSA_PCM_NEW_SW_PARAMS_API
 #include <alsa/asoundlib.h>
+#include "out.h"
 
 static snd_pcm_t *handle = NULL;
 static snd_pcm_uframes_t buffer_size;
 
 // SETUP SOUND
-void SetupSound(void)
+static int alsa_init(void)
 {
  snd_pcm_hw_params_t *hwparams;
  snd_pcm_status_t *status;
@@ -49,13 +45,13 @@ void SetupSound(void)
                       SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK)) < 0)
   {
    printf("Audio open error: %s\n", snd_strerror(err));
-   return;
+   return -1;
   }
 
  if((err = snd_pcm_nonblock(handle, 0))<0)
   {
    printf("Can't set blocking moded: %s\n", snd_strerror(err));
-   return;
+   return -1;
   }
 
  snd_pcm_hw_params_alloca(&hwparams);
@@ -63,63 +59,64 @@ void SetupSound(void)
  if((err=snd_pcm_hw_params_any(handle, hwparams))<0)
   {
    printf("Broken configuration for this PCM: %s\n", snd_strerror(err));
-   return;
+   return -1;
   }
 
  if((err=snd_pcm_hw_params_set_access(handle, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED))<0)
   {
    printf("Access type not available: %s\n", snd_strerror(err));
-   return;
+   return -1;
   }
 
  if((err=snd_pcm_hw_params_set_format(handle, hwparams, format))<0)
   {
    printf("Sample format not available: %s\n", snd_strerror(err));
-   return;
+   return -1;
   }
 
  if((err=snd_pcm_hw_params_set_channels(handle, hwparams, pchannels))<0)
   {
    printf("Channels count not available: %s\n", snd_strerror(err));
-   return;
+   return -1;
   }
 
  if((err=snd_pcm_hw_params_set_rate_near(handle, hwparams, &pspeed, 0))<0)
   {
    printf("Rate not available: %s\n", snd_strerror(err));
-   return;
+   return -1;
   }
 
  if((err=snd_pcm_hw_params_set_buffer_time_near(handle, hwparams, &buffer_time, 0))<0)
   {
    printf("Buffer time error: %s\n", snd_strerror(err));
-   return;
+   return -1;
   }
 
  if((err=snd_pcm_hw_params_set_period_time_near(handle, hwparams, &period_time, 0))<0)
   {
    printf("Period time error: %s\n", snd_strerror(err));
-   return;
+   return -1;
   }
 
  if((err=snd_pcm_hw_params(handle, hwparams))<0)
   {
    printf("Unable to install hw params: %s\n", snd_strerror(err));
-   return;
+   return -1;
   }
 
  snd_pcm_status_alloca(&status);
  if((err=snd_pcm_status(handle, status))<0)
   {
    printf("Unable to get status: %s\n", snd_strerror(err));
-   return;
+   return -1;
   }
 
  buffer_size = snd_pcm_status_get_avail(status);
+ return 0;
 }
 
 // REMOVE SOUND
-void RemoveSound(void)
+static void alsa_finish(void)
 {
  if(handle != NULL)
   {
@@ -130,9 +127,9 @@ void RemoveSound(void)
 }
 
 // GET BYTES BUFFERED
-unsigned long SoundGetBytesBuffered(void)
+static int alsa_busy(void)
 {
- unsigned long l;
+ int l;
 
  if (handle == NULL)                                 // failed to open?
   return 1;
@@ -146,7 +143,7 @@ unsigned long SoundGetBytesBuffered(void)
 }
 
 // FEED SOUND DATA
-void SoundFeedStreamData(unsigned char* pSound,long lBytes)
+static void alsa_feed(void *pSound, int lBytes)
 {
  if (handle == NULL) return;
 
@@ -154,3 +151,12 @@ void SoundFeedStreamData(unsigned char* pSound,long lBytes)
   snd_pcm_prepare(handle);
  snd_pcm_writei(handle,pSound, lBytes / 4);
 }
+
+void out_register_alsa(struct out_driver *drv)
+{
+       drv->name = "alsa";
+       drv->init = alsa_init;
+       drv->finish = alsa_finish;
+       drv->busy = alsa_busy;
+       drv->feed = alsa_feed;
+}