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Avoid changing dst_spec in testaudiostreamdynamicresample skip_audio

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This is no longer allowed on bound streams
This commit is contained in:
Brick 2024-03-26 16:05:15 +00:00 committed by Sam Lantinga
parent 449b0229eb
commit f18cf7cffb
1 changed files with 7 additions and 13 deletions
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20
test/testaudiostreamdynamicresample.c
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@ -137,8 +137,8 @@ static void queue_audio()
static void skip_audio(float amount)
{
float speed;
SDL_AudioSpec dst_spec, new_spec;
int num_frames;
SDL_AudioSpec dst_spec;
int num_bytes;
int retval = 0;
void* buf = NULL;
@ -147,23 +147,16 @@ static void skip_audio(float amount)
speed = SDL_GetAudioStreamFrequencyRatio(stream);
SDL_GetAudioStreamFormat(stream, NULL, &dst_spec);
/* Gimme that crunchy audio */
new_spec.format = SDL_AUDIO_S8;
new_spec.channels = 1;
new_spec.freq = 4000;
SDL_SetAudioStreamFrequencyRatio(stream, 100.0f);
SDL_SetAudioStreamFormat(stream, NULL, &new_spec);
num_frames = (int)(new_spec.freq * ((speed * amount) / 100.0f));
buf = SDL_malloc(num_frames);
num_bytes = (int)(SDL_AUDIO_FRAMESIZE(dst_spec) * dst_spec.freq * ((speed * amount) / 100.0f));
buf = SDL_malloc(num_bytes);
if (buf) {
retval = SDL_GetAudioStreamData(stream, buf, num_frames);
retval = SDL_GetAudioStreamData(stream, buf, num_bytes);
SDL_free(buf);
}
SDL_SetAudioStreamFormat(stream, NULL, &dst_spec);
SDL_SetAudioStreamFrequencyRatio(stream, speed);
SDL_UnlockAudioStream(stream);
@ -411,14 +404,15 @@ int main(int argc, char *argv[])
filename = GetResourceFilename(filename, "sample.wav");
rc = SDL_LoadWAV(filename, &spec, &audio_buf, &audio_len);
SDL_free(filename);
if (rc < 0) {
SDL_Log("Failed to load '%s': %s", filename, SDL_GetError());
SDL_free(filename);
SDL_Quit();
return 1;
}
SDL_free(filename);
init_slider(0, "Speed: %3.2fx", 0x0, 1.0f, 0.2f, 5.0f);
init_slider(1, "Freq: %g", 0x2, (float)spec.freq, 4000.0f, 192000.0f);
init_slider(2, "Channels: %g", 0x3, (float)spec.channels, 1.0f, 8.0f);