libretro/RetroArch
1
0
Fork 0
mirror of https://github.com/libretro/RetroArch.git synced 2025-01-21 16:45:45 +00:00
Code Issues Actions 25 Packages Projects Releases Wiki Activity

QNX ALSA is too different from regular mainline ALSA - QNX ALSA driver

Browse Source 
will be separate from main ALSA driver
This commit is contained in:
twinaphex 2013-06-20 10:13:45 +02:00
parent 57a36bd6ff
commit 3a0cc21d7a
1 changed files with 0 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
audio/alsa.c
View File

@ -16,13 +16,7 @@
#include "../driver.h"
#include <stdlib.h>
#ifdef __QNX__
#define ALSA_PCM_NEW_HW_PARAMS_API
#define ALSA_PCM_NEW_SW_PARAMS_API
#include <sys/asoundlib.h>
#else
#include <asoundlib.h>
#endif
#include "../general.h"
#define TRY_ALSA(x) if (x < 0) { \
@ -47,14 +41,12 @@ static bool alsa_use_float(void *data)
static bool find_float_format(snd_pcm_t *pcm, void *data)
{
#ifndef __QNX__
snd_pcm_hw_params_t *params = (snd_pcm_hw_params_t*)data;
if (snd_pcm_hw_params_test_format(pcm, params, SND_PCM_FORMAT_FLOAT) == 0)
{
RARCH_LOG("ALSA: Using floating point format.\n");
return true;
}
#endif
RARCH_LOG("ALSA: Using signed 16-bit format.\n");
return false;
}
@ -65,23 +57,14 @@ static void *alsa_init(const char *device, unsigned rate, unsigned latency)
if (!alsa)
return NULL;
#ifndef __QNX__
snd_pcm_hw_params_t *params = NULL;
snd_pcm_sw_params_t *sw_params = NULL;
#endif
unsigned latency_usec = latency * 1000;
unsigned channels = 2;
unsigned periods = 4;
snd_pcm_format_t format;
#ifdef __QNX__
int card, dev;
TRY_ALSA(snd_pcm_open_preferred(&alsa->pcm, &card, &dev, SND_PCM_OPEN_PLAYBACK));
alsa->has_float = false;
format = SND_PCM_FORMAT_S16;
#else
const char *alsa_dev = "default";
if (device)
alsa_dev = device;
@ -119,7 +102,6 @@ static void *alsa_init(const char *device, unsigned rate, unsigned latency)
snd_pcm_hw_params_free(params);
snd_pcm_sw_params_free(sw_params);
#endif
return alsa;
@ -302,4 +284,3 @@ const audio_driver_t audio_alsa = {
alsa_write_avail,
alsa_buffer_size,
};