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Adding sanity checks

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Mike H 2018-02-20 20:24:54 +00:00 committed by GitHub
parent a6072c5161
commit cf2f1806c7
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 22 additions and 15 deletions
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37
audio/playtone/source/main.c
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@ -10,8 +10,9 @@
#define BYTESPERSAMPLE 4
void fill_audio_buffer(void* audio_buffer, size_t offset, size_t size, int frequency) {
if (audio_buffer == NULL) return;
u32* dest = (u32*) audio_buffer;
for (int i = 0; i < size; i++) {
// This is a simple sine wave, with a frequency of `frequency` Hz, and an amplitude 30% of maximum.
s16 sample = 0.3 * 0x7FFF * sin(frequency * (2 * M_PI) * (offset + i) / SAMPLERATE);
@ -34,6 +35,11 @@ int main(int argc, char **argv)
7040, 3520, 1760, 880, 440
};
gfxInitDefault();
// Initialize console. Using NULL as the second argument tells the console library to use the internal console structure as current one.
consoleInit(NULL);
// Make sure the sample buffer is aligned to 0x1000 bytes
u32 raw_data_size = (SAMPLESPERBUF * BYTESPERSAMPLE * 2);
u32 raw_data_size_aligned = (raw_data_size + 0xfff) & ~0xfff;
@ -41,20 +47,21 @@ int main(int argc, char **argv)
// Ensure buffer was properly allocated
if (raw_data == NULL)
fatalSimple(MAKERESULT(Module_Libnx, LibnxError_OutOfMemory));
{
rc = MAKERESULT(Module_Libnx, LibnxError_OutOfMemory);
printf("Failed to allocate sample data buffer\n");
}
if (R_SUCCEEDED(rc))
memset(raw_data, 0, raw_data_size_aligned);
if (R_SUCCEEDED(rc))
{
// Initialize the default audio output device
rc = audoutInitialize();
printf("audoutInitialize() returned 0x%x\n", rc);
}
// Clear the buffer
memset(raw_data, 0, raw_data_size_aligned);
gfxInitDefault();
// Initialize console. Using NULL as the second argument tells the console library to use the internal console structure as current one.
consoleInit(NULL);
// Initialize the default audio output device
rc = audoutInitialize();
printf("audoutInitialize() returned 0x%x\n", rc);
if (R_SUCCEEDED(rc))
{
printf("Sample rate: 0x%x\n", audoutGetSampleRate());
@ -152,7 +159,7 @@ int main(int argc, char **argv)
play_tone = true;
}
if (play_tone)
if (R_SUCCEEDED(rc) && play_tone)
{
// Prepare the audio data source buffer.
source_buffer.next = 0;