Small API cleanup.

audio/alsa.c

@@ -49,7 +49,7 @@ static bool find_float_format(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
    return false;
 }
 
-static void* __alsa_init(const char* device, int rate, int latency)
+static void* __alsa_init(const char* device, unsigned rate, unsigned latency)
 {
    alsa_t *alsa = calloc(1, sizeof(alsa_t));
    if ( alsa == NULL )

audio/ext.c

@@ -45,7 +45,7 @@ static void audio_ext_free(void *data)
    }
 }
 
-static void* audio_ext_init(const char *device, int rate, int latency)
+static void* audio_ext_init(const char *device, unsigned rate, unsigned latency)
 {
    if (!(*g_settings.audio.external_driver))
    {

audio/jack.c

@@ -124,7 +124,7 @@ static size_t find_buffersize(jack_t *jd, int latency)
    return buffer_frames * sizeof(jack_default_audio_sample_t);
 }
 
-static void* __jack_init(const char* device, int rate, int latency)
+static void* __jack_init(const char* device, unsigned rate, unsigned latency)
 {
    jack_t *jd = calloc(1, sizeof(jack_t));
    if ( jd == NULL )

audio/openal.c

@@ -56,7 +56,7 @@ typedef struct al
 
 } al_t;
 
-static void* __al_init(const char* device, int rate, int latency)
+static void* __al_init(const char* device, unsigned rate, unsigned latency)
 {
    (void)device;
    al_t *al = calloc(1, sizeof(al_t));

audio/oss.c

@@ -25,7 +25,7 @@
 #include <errno.h>
 #include <stdio.h>
 
-static void* __oss_init(const char* device, int rate, int latency)
+static void* __oss_init(const char* device, unsigned rate, unsigned latency)
 {
    int *fd = calloc(1, sizeof(int));
    if ( fd == NULL )

audio/pulse.c

@@ -115,7 +115,7 @@ static void stream_latency_update_cb(pa_stream *s, void *data)
    pa_threaded_mainloop_signal(pa->mainloop, 0);
 }
 
-static void* __pulse_init(const char* device, int rate, int latency)
+static void* __pulse_init(const char* device, unsigned rate, unsigned latency)
 {
    pa_t *pa = calloc(1, sizeof(*pa));
    if (!pa)

audio/roar.c

@@ -30,7 +30,7 @@ typedef struct
    bool nonblocking;
 } roar_t;
 
-static void* __roar_init(const char* device, int rate, int latency)
+static void* __roar_init(const char* device, unsigned rate, unsigned latency)
 {
    int err;
    roar_t *roar = calloc(1, sizeof(roar_t));

audio/rsound.c

@@ -54,7 +54,7 @@ static void err_cb(void *userdata)
    SDL_CondSignal(rsd->cond);
 }
 
-static void* __rsd_init(const char* device, int rate, int latency)
+static void* __rsd_init(const char* device, unsigned rate, unsigned latency)
 {
    rsd_t *rsd = calloc(1, sizeof(rsd_t));
    if ( rsd == NULL )

audio/sdl.c

@@ -58,7 +58,7 @@ static inline int find_num_frames(int rate, int latency)
    return next_pow2(frames);
 }
 
-static void* sdl_audio_init(const char* device, int rate, int latency)
+static void* sdl_audio_init(const char* device, unsigned rate, unsigned latency)
 {
    (void)device;
    if (SDL_InitSubSystem(SDL_INIT_AUDIO) < 0)

audio/xaudio.c

@@ -67,7 +67,7 @@ static bool init_lib(void)
    return true;
 }
 
-static void* __xa_init(const char* device, int rate, int latency)
+static void* __xa_init(const char* device, unsigned rate, unsigned latency)
 {
    if (!init_lib())
       return NULL;

driver.h

@@ -70,7 +70,7 @@ typedef struct video_info
 
 typedef struct audio_driver
 {
-   void* (*init)(const char* device, int rate, int latency);
+   void* (*init)(const char* device, unsigned rate, unsigned latency);
    ssize_t (*write)(void* data, const void* buf, size_t size);
    bool (*stop)(void* data);
    bool (*start)(void* data);