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Move allocation away from stack

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Mike H 2018-02-20 18:48:03 +00:00 committed by GitHub
parent 1214761b88
commit b474b8b5bd
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1 changed files with 12 additions and 8 deletions
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20
audio/playtone/source/main.c
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@ -1,5 +1,6 @@
#include <string.h> #include <string.h>
#include <stdio.h> #include <stdio.h>
#include <malloc.h>
#include <math.h> #include <math.h>
#include <switch.h> #include <switch.h>
@ -8,11 +9,6 @@
#define SAMPLESPERBUF (SAMPLERATE / 10) #define SAMPLESPERBUF (SAMPLERATE / 10)
#define BYTESPERSAMPLE 4 #define BYTESPERSAMPLE 4
typedef struct {
u16 left_ch;
u16 right_ch;
} sample_t;
void fill_audio_buffer(void* audio_buffer, size_t offset, size_t size, int frequency) { void fill_audio_buffer(void* audio_buffer, size_t offset, size_t size, int frequency) {
u32* dest = (u32*) audio_buffer; u32* dest = (u32*) audio_buffer;
@ -39,7 +35,15 @@ int main(int argc, char **argv)
}; };
// Make sure the sample buffer is aligned to 0x1000 bytes // Make sure the sample buffer is aligned to 0x1000 bytes
sample_t __attribute__((aligned(0x1000))) raw_data[((SAMPLESPERBUF * BYTESPERSAMPLE) + 0xfff) & ~0xfff]; u32 raw_data_size = ((SAMPLESPERBUF * BYTESPERSAMPLE * 2) + 0xfff) & ~0xfff;
u8* raw_data = memalign(0x1000, raw_data_size);
// Ensure buffer was properly allocated
if (raw_data == NULL)
fatalSimple(MAKERESULT(Module_Libnx, LibnxError_OutOfMemory));
// Clear the buffer
memset(raw_data, 0, raw_data_size);
gfxInitDefault(); gfxInitDefault();
@ -152,10 +156,10 @@ int main(int argc, char **argv)
// Prepare the audio data source buffer. // Prepare the audio data source buffer.
source_buffer.next = 0; source_buffer.next = 0;
source_buffer.buffer = raw_data; source_buffer.buffer = raw_data;
source_buffer.buffer_size = sizeof(raw_data); source_buffer.buffer_size = raw_data_size;
source_buffer.data_size = SAMPLESPERBUF * 2; source_buffer.data_size = SAMPLESPERBUF * 2;
source_buffer.data_offset = 0; source_buffer.data_offset = 0;
// Play this buffer once. // Play this buffer once.
rc = audoutPlayBuffer(&source_buffer, &released_buffer); rc = audoutPlayBuffer(&source_buffer, &released_buffer);
play_tone = false; play_tone = false;