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C89 buildfix

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This commit is contained in:
twinaphex 2017-08-06 16:40:55 +02:00
parent 8f616c13e4
commit c426f68379
1 changed files with 11 additions and 9 deletions
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20
libretro-common/audio/audio_mixer.c
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@ -735,6 +735,8 @@ static void audio_mixer_mix_mod(float* buffer, size_t num_frames,
float volume) float volume)
{ {
int i; int i;
float samplef = 0.0f;
int samplei = 0;
unsigned temp_samples = 0; unsigned temp_samples = 0;
unsigned buf_free = num_frames * 2; unsigned buf_free = num_frames * 2;
int* pcm = NULL; int* pcm = NULL;
@ -742,7 +744,9 @@ static void audio_mixer_mix_mod(float* buffer, size_t num_frames,
if (voice->types.mod.position == voice->types.mod.samples) if (voice->types.mod.position == voice->types.mod.samples)
{ {
again: again:
temp_samples = replay_get_audio( voice->types.mod.stream, voice->types.mod.buffer ); temp_samples = replay_get_audio(
voice->types.mod.stream, voice->types.mod.buffer );
temp_samples *= 2; /* stereo */ temp_samples *= 2; /* stereo */
if (temp_samples == 0) if (temp_samples == 0)
@ -770,15 +774,13 @@ again:
} }
pcm = voice->types.mod.buffer + voice->types.mod.position; pcm = voice->types.mod.buffer + voice->types.mod.position;
float samplef = 0.0f;
int samplei = 0;
if (voice->types.mod.samples < buf_free) if (voice->types.mod.samples < buf_free)
{ {
for (i = voice->types.mod.samples; i != 0; i--) for (i = voice->types.mod.samples; i != 0; i--)
{ {
samplei = *pcm++ * volume; samplei = *pcm++ * volume;
samplef = (float)((int)samplei + 32768) / 65535.0f; samplef = (float)((int)samplei + 32768) / 65535.0f;
samplef = samplef * 2.0f - 1.0f; samplef = samplef * 2.0f - 1.0f;
*buffer++ = samplef; *buffer++ = samplef;
} }
@ -790,9 +792,9 @@ again:
int i; int i;
for (i = buf_free; i != 0; --i ) for (i = buf_free; i != 0; --i )
{ {
samplei = *pcm++ * volume; samplei = *pcm++ * volume;
samplef = (float)((int)samplei + 32768) / 65535.0f; samplef = (float)((int)samplei + 32768) / 65535.0f;
samplef = samplef * 2.0f - 1.0f; samplef = samplef * 2.0f - 1.0f;
*buffer++ = samplef; *buffer++ = samplef;
} }