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Add mal_dsp_set_input_sample_rate().

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This commit is contained in:
David Reid
2018-02-25 19:42:46 +10:00
parent 6978ab2640
commit 0c50484b74
1 changed files with 33 additions and 11 deletions
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mini_al.h
+33 -11
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@@ -1471,6 +1471,9 @@ mal_uint64 mal_src_read_frames_ex(mal_src* pSRC, mal_uint64 frameCount, void* pF
// Initializes a DSP object.
mal_result mal_dsp_init(mal_dsp_config* pConfig, mal_dsp_read_proc onRead, void* pUserData, mal_dsp* pDSP);
// Dynamically adjusts the input sample rate.
mal_result mal_dsp_set_input_sample_rate(mal_dsp* pDSP, mal_uint32 sampleRateOut);
// Dynamically adjusts the output sample rate.
//
// This is useful for dynamically adjust pitch. Keep in mind, however, that this will speed up or slow down the sound. If this
@@ -11332,22 +11335,15 @@ mal_result mal_dsp_init(mal_dsp_config* pConfig, mal_dsp_read_proc onRead, void*
return MAL_SUCCESS;
}
mal_result mal_dsp_set_output_sample_rate(mal_dsp* pDSP, mal_uint32 sampleRateOut)
mal_result mal_dsp_refresh_sample_rate(mal_dsp* pDSP)
{
if (pDSP == NULL) return MAL_INVALID_ARGS;
// Must have a sample rate of > 0.
if (sampleRateOut == 0) {
return MAL_INVALID_ARGS;
}
pDSP->config.sampleRateOut = sampleRateOut;
// If we already have an SRC pipeline initialized we do _not_ want to re-create it. Instead we adjust it. If we didn't previously
// have an SRC pipeline in place we'll need to initialize it.
if (pDSP->isSRCRequired) {
if (pDSP->config.sampleRateIn != pDSP->config.sampleRateOut) {
mal_src_set_output_sample_rate(&pDSP->src, sampleRateOut);
mal_src_set_input_sample_rate(&pDSP->src, pDSP->config.sampleRateIn);
mal_src_set_output_sample_rate(&pDSP->src, pDSP->config.sampleRateOut);
} else {
pDSP->isSRCRequired = MAL_FALSE;
}
@@ -11383,6 +11379,32 @@ mal_result mal_dsp_set_output_sample_rate(mal_dsp* pDSP, mal_uint32 sampleRateOu
return MAL_SUCCESS;
}
mal_result mal_dsp_set_input_sample_rate(mal_dsp* pDSP, mal_uint32 sampleRateIn)
{
if (pDSP == NULL) return MAL_INVALID_ARGS;
// Must have a sample rate of > 0.
if (sampleRateIn == 0) {
return MAL_INVALID_ARGS;
}
pDSP->config.sampleRateIn = sampleRateIn;
return mal_dsp_refresh_sample_rate(pDSP);
}
mal_result mal_dsp_set_output_sample_rate(mal_dsp* pDSP, mal_uint32 sampleRateOut)
{
if (pDSP == NULL) return MAL_INVALID_ARGS;
// Must have a sample rate of > 0.
if (sampleRateOut == 0) {
return MAL_INVALID_ARGS;
}
pDSP->config.sampleRateOut = sampleRateOut;
return mal_dsp_refresh_sample_rate(pDSP);
}
mal_uint64 mal_dsp_read_frames(mal_dsp* pDSP, mal_uint64 frameCount, void* pFramesOut)
{
return mal_dsp_read_frames_ex(pDSP, frameCount, pFramesOut, MAL_FALSE);