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Divorce driver->audio from driver_t struct

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This commit is contained in:
twinaphex 2015-11-23 19:30:47 +01:00
parent 24400bc797
commit a688baebe0
2 changed files with 20 additions and 33 deletions
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52
audio/audio_driver.c
View File

@ -62,6 +62,7 @@ typedef struct audio_driver_input_data
uint64_t buffer_free_samples_count;
} audio_driver_input_data_t;
static const audio_driver_t *current_audio;
static void *context_audio_data;
static audio_driver_input_data_t audio_data;
@ -129,13 +130,6 @@ static const audio_driver_t *audio_drivers[] = {
NULL,
};
static const audio_driver_t * audio_get_ptr(const driver_t *driver)
{
if (driver->audio)
return driver->audio;
return NULL;
}
/**
* compute_audio_buffer_statistics:
*
@ -237,8 +231,8 @@ static bool uninit_audio(void)
driver_t *driver = driver_get_ptr();
settings_t *settings = config_get_ptr();
if (context_audio_data && driver->audio)
driver->audio->free(context_audio_data);
if (context_audio_data && current_audio)
current_audio->free(context_audio_data);
if (audio_data.conv_outsamples)
free(audio_data.conv_outsamples);
@ -276,6 +270,8 @@ static bool uninit_audio(void)
compute_audio_buffer_statistics();
current_audio = NULL;
if (!driver->audio_data_own)
context_audio_data = NULL;
@ -330,10 +326,10 @@ static bool init_audio(void)
if (audio_data.audio_callback.callback)
{
RARCH_LOG("Starting threaded audio driver ...\n");
if (!rarch_threaded_audio_init(&driver->audio, &context_audio_data,
if (!rarch_threaded_audio_init(&current_audio, &context_audio_data,
*settings->audio.device ? settings->audio.device : NULL,
settings->audio.out_rate, settings->audio.latency,
driver->audio))
current_audio))
{
RARCH_ERR("Cannot open threaded audio driver ... Exiting ...\n");
retro_fail(1, "init_audio()");
@ -342,7 +338,7 @@ static bool init_audio(void)
else
#endif
{
context_audio_data = driver->audio->init(*settings->audio.device ?
context_audio_data = current_audio->init(*settings->audio.device ?
settings->audio.device : NULL,
settings->audio.out_rate, settings->audio.latency);
}
@ -354,7 +350,7 @@ static bool init_audio(void)
}
audio_data.use_float = false;
if (driver->audio_active && driver->audio->use_float(context_audio_data))
if (driver->audio_active && current_audio->use_float(context_audio_data))
audio_data.use_float = true;
if (!settings->audio.sync && driver->audio_active)
@ -405,10 +401,10 @@ static bool init_audio(void)
{
/* Audio rate control requires write_avail
* and buffer_size to be implemented. */
if (driver->audio->buffer_size)
if (current_audio->buffer_size)
{
audio_data.driver_buffer_size =
driver->audio->buffer_size(context_audio_data);
current_audio->buffer_size(context_audio_data);
audio_data.rate_control = true;
}
else
@ -437,14 +433,11 @@ error:
*/
static void audio_driver_readjust_input_rate(void)
{
driver_t *driver = driver_get_ptr();
const audio_driver_t *audio = driver ?
(const audio_driver_t*)driver->audio : NULL;
settings_t *settings = config_get_ptr();
unsigned write_idx = audio_data.buffer_free_samples_count++ &
(AUDIO_BUFFER_FREE_SAMPLES_COUNT - 1);
int half_size = audio_data.driver_buffer_size / 2;
int avail = audio->write_avail(context_audio_data);
int avail = current_audio->write_avail(context_audio_data);
int delta_mid = avail - half_size;
double direction = (double)delta_mid / half_size;
double adjust = 1.0 + settings->audio.rate_control_delta * direction;
@ -466,10 +459,9 @@ static void audio_driver_readjust_input_rate(void)
void audio_driver_set_nonblocking_state(bool enable)
{
driver_t *driver = driver_get_ptr();
const audio_driver_t *audio = audio_get_ptr(driver);
settings_t *settings = config_get_ptr();
if (driver->audio_active && context_audio_data)
audio->set_nonblock_state(context_audio_data,
current_audio->set_nonblock_state(context_audio_data,
settings->audio.sync ? enable : true);
audio_data.chunk_size = enable ? audio_data.nonblock_chunk_size :
@ -500,8 +492,6 @@ static bool audio_driver_flush(const int16_t *data, size_t samples)
unsigned output_frames = 0;
size_t output_size = sizeof(float);
driver_t *driver = driver_get_ptr();
const audio_driver_t *audio = driver ?
(const audio_driver_t*)driver->audio : NULL;
settings_t *settings = config_get_ptr();
if (driver->recording_data)
@ -580,7 +570,7 @@ static bool audio_driver_flush(const int16_t *data, size_t samples)
output_size = sizeof(int16_t);
}
if (audio->write(context_audio_data, output_data, output_frames * output_size * 2) < 0)
if (current_audio->write(context_audio_data, output_data, output_frames * output_size * 2) < 0)
{
driver->audio_active = false;
return false;
@ -757,7 +747,7 @@ static bool find_audio_driver(void)
int i = find_driver_index("audio_driver", settings->audio.driver);
if (i >= 0)
driver->audio = (const audio_driver_t*)audio_driver_find_handle(i);
current_audio = (const audio_driver_t*)audio_driver_find_handle(i);
else
{
unsigned d;
@ -768,9 +758,9 @@ static bool find_audio_driver(void)
RARCH_LOG_OUTPUT("\t%s\n", audio_driver_find_ident(d));
RARCH_WARN("Going to default to first audio driver...\n");
driver->audio = (const audio_driver_t*)audio_driver_find_handle(0);
current_audio = (const audio_driver_t*)audio_driver_find_handle(0);
if (!driver->audio)
if (!current_audio)
retro_fail(1, "find_audio_driver()");
}
@ -780,8 +770,6 @@ static bool find_audio_driver(void)
bool audio_driver_ctl(enum rarch_audio_ctl_state state, void *data)
{
driver_t *driver = driver_get_ptr();
const audio_driver_t *audio = driver ?
(const audio_driver_t*)driver->audio : NULL;
settings_t *settings = config_get_ptr();
switch (state)
@ -833,11 +821,11 @@ bool audio_driver_ctl(enum rarch_audio_ctl_state state, void *data)
case RARCH_AUDIO_CTL_ALIVE:
if (!context_audio_data)
return false;
return audio->alive(context_audio_data);
return current_audio->alive(context_audio_data);
case RARCH_AUDIO_CTL_START:
return audio->start(context_audio_data);
return current_audio->start(context_audio_data);
case RARCH_AUDIO_CTL_STOP:
return audio->stop(context_audio_data);
return current_audio->stop(context_audio_data);
case RARCH_AUDIO_CTL_FIND_DRIVER:
return find_audio_driver();
case RARCH_AUDIO_CTL_FRAME_IS_REVERSE:

1
driver.h
View File

@ -200,7 +200,6 @@ typedef struct driver
{
frontend_ctx_driver_t *frontend_ctx;
const ui_companion_driver_t *ui_companion;
const audio_driver_t *audio;
const void *video_context;
const input_driver_t *input;
const camera_driver_t *camera;