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(audio_driver.c) Cleanup

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This commit is contained in:
twinaphex 2016-03-04 21:38:18 +01:00
parent 3d6e6efe49
commit f3a9a38987
1 changed files with 21 additions and 17 deletions
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38
audio/audio_driver.c
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@ -52,9 +52,12 @@ typedef struct audio_driver_input_data
float *outsamples;
int16_t *conv_outsamples;
int16_t *rewind_buf;
size_t rewind_ptr;
size_t rewind_size;
struct
{
int16_t *buf;
size_t ptr;
size_t size;
} rewind;
rarch_dsp_filter_t *dsp;
@ -252,9 +255,10 @@ static bool uninit_audio(void)
audio_driver_data.conv_outsamples = NULL;
audio_driver_data.data_ptr = 0;
if (audio_driver_data.rewind_buf)
free(audio_driver_data.rewind_buf);
audio_driver_data.rewind_buf = NULL;
if (audio_driver_data.rewind.buf)
free(audio_driver_data.rewind.buf);
audio_driver_data.rewind.buf = NULL;
audio_driver_data.rewind.size = 0;
if (!settings->audio.enable)
{
@ -303,13 +307,13 @@ static bool init_audio(void)
/* Needs to be able to hold full content of a full max_bufsamples
* in addition to its own. */
retro_assert(audio_driver_data.rewind_buf = (int16_t*)
retro_assert(audio_driver_data.rewind.buf = (int16_t*)
malloc(max_bufsamples * sizeof(int16_t)));
if (!audio_driver_data.rewind_buf)
if (!audio_driver_data.rewind.buf)
goto error;
audio_driver_data.rewind_size = max_bufsamples;
audio_driver_data.rewind.size = max_bufsamples;
if (!settings->audio.enable)
{
@ -623,8 +627,8 @@ size_t audio_driver_sample_batch(const int16_t *data, size_t frames)
**/
void audio_driver_sample_rewind(int16_t left, int16_t right)
{
audio_driver_data.rewind_buf[--audio_driver_data.rewind_ptr] = right;
audio_driver_data.rewind_buf[--audio_driver_data.rewind_ptr] = left;
audio_driver_data.rewind.buf[--audio_driver_data.rewind.ptr] = right;
audio_driver_data.rewind.buf[--audio_driver_data.rewind.ptr] = left;
}
/**
@ -646,7 +650,7 @@ size_t audio_driver_sample_batch_rewind(const int16_t *data, size_t frames)
size_t samples = frames << 1;
for (i = 0; i < samples; i++)
audio_driver_data.rewind_buf[--audio_driver_data.rewind_ptr] = data[i];
audio_driver_data.rewind.buf[--audio_driver_data.rewind.ptr] = data[i];
return frames;
}
@ -729,14 +733,14 @@ static void audio_driver_setup_rewind(void)
unsigned i;
/* Push audio ready to be played. */
audio_driver_data.rewind_ptr = audio_driver_data.rewind_size;
audio_driver_data.rewind.ptr = audio_driver_data.rewind.size;
for (i = 0; i < audio_driver_data.data_ptr; i += 2)
{
audio_driver_data.rewind_buf[--audio_driver_data.rewind_ptr] =
audio_driver_data.rewind.buf[--audio_driver_data.rewind.ptr] =
audio_driver_data.conv_outsamples[i + 1];
audio_driver_data.rewind_buf[--audio_driver_data.rewind_ptr] =
audio_driver_data.rewind.buf[--audio_driver_data.rewind.ptr] =
audio_driver_data.conv_outsamples[i + 0];
}
@ -896,8 +900,8 @@ bool audio_driver_ctl(enum rarch_audio_ctl_state state, void *data)
case RARCH_AUDIO_CTL_FRAME_IS_REVERSE:
/* We just rewound. Flush rewind audio buffer. */
audio_driver_flush(
audio_driver_data.rewind_buf + audio_driver_data.rewind_ptr,
audio_driver_data.rewind_size - audio_driver_data.rewind_ptr);
audio_driver_data.rewind.buf + audio_driver_data.rewind.ptr,
audio_driver_data.rewind.size - audio_driver_data.rewind.ptr);
return true;
case RARCH_AUDIO_CTL_NONE:
default: