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NSW(audio): use alloc_pages to acquire buffers instead of using ones in bss

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This commit is contained in:
misson20000 2018-03-06 21:18:42 -08:00
parent e934f11065
commit 35f796d65d
1 changed files with 5 additions and 7 deletions
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12
audio/drivers/switch_audio.c
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@ -18,6 +18,7 @@
#include <stdint.h>
#include<libtransistor/nx.h>
#include<libtransistor/alloc_pages.h>
#include "../audio_driver.h"
#include "../../verbosity.h"
@ -27,12 +28,6 @@ static const int max_num_samples = sample_rate;
static const int num_channels = 2;
static const size_t sample_buffer_size = ((max_num_samples * num_channels * sizeof(uint16_t)) + 0xfff) & ~0xfff;
/* don't think this can be in mapped memory, since samples get DMA'd out of it */
static uint16_t __attribute__((aligned(0x1000))) sample_buffer_1[sample_buffer_size/sizeof(uint16_t)];
static uint16_t __attribute__((aligned(0x1000))) sample_buffer_2[sample_buffer_size/sizeof(uint16_t)];
static uint16_t __attribute__((aligned(0x1000))) sample_buffer_3[sample_buffer_size/sizeof(uint16_t)];
static uint16_t *sample_buffers[3] = {sample_buffer_1, sample_buffer_2, sample_buffer_3};
typedef struct
{
audio_output_t output;
@ -254,11 +249,14 @@ static void *switch_audio_init(const char *device,
for(i = 0; i < 3; i++)
{
swa->buffers[i].ptr = &swa->buffers[i].sample_data;
swa->buffers[i].sample_data = sample_buffers[i];
swa->buffers[i].sample_data = alloc_pages(sample_buffer_size, sample_buffer_size, NULL);
swa->buffers[i].buffer_size = sample_buffer_size;
swa->buffers[i].data_size = sample_buffer_size;
swa->buffers[i].unknown = 0;
if(swa->buffers[i].sample_data == NULL)
goto fail_audio_output;
if (audio_ipc_output_append_buffer(&swa->output, &swa->buffers[i]) != RESULT_OK)
goto fail_audio_output;
}