X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=plugins%2Fdfsound%2Falsa.c;h=58900cc15b3c2d09a2a8b349bfb737766fe56156;hp=7e594338ad1b53c247400ef35759fb3fe73ceb01;hb=8e1040b6a82ee1802fda83d4de84290a02656cc0;hpb=97ea407715c0eafc8d73ffc5477f6d7e6ad8f20b diff --git a/plugins/dfsound/alsa.c b/plugins/dfsound/alsa.c index 7e594338..58900cc1 100644 --- a/plugins/dfsound/alsa.c +++ b/plugins/dfsound/alsa.c @@ -15,21 +15,17 @@ * * ***************************************************************************/ -#include "stdafx.h" - -#define _IN_OSS - -#include "externals.h" - +#include #define ALSA_PCM_NEW_HW_PARAMS_API #define ALSA_PCM_NEW_SW_PARAMS_API #include +#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) { @@ -130,23 +127,23 @@ 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 SOUNDSIZE; + return 1; l = snd_pcm_avail(handle); if (l < 0) return 0; if (l < buffer_size / 2) // can we write in at least the half of fragments? - l = SOUNDSIZE; // -> no? wait + l = 1; // -> no? wait else l = 0; // -> else go on return l; } // 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; +}