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Move some clipping functions into the main library.

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This commit is contained in:
David Reid
2021-07-17 16:46:30 +10:00
parent 9fa4d9ea7f
commit 8ddac00d5c
2 changed files with 109 additions and 106 deletions
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miniaudio.h
+109 -29
View File
@@ -5889,9 +5889,15 @@ static MA_INLINE const float* ma_offset_pcm_frames_const_ptr_f32(const float* p,
/* /*
Clips f32 samples. Clips samples.
*/ */
MA_API void ma_clip_samples_u8(ma_uint8* pDst, const ma_int16* pSrc, ma_uint64 count);
MA_API void ma_clip_samples_s16(ma_int16* pDst, const ma_int32* pSrc, ma_uint64 count);
MA_API void ma_clip_samples_s24(ma_uint8* pDst, const ma_int64* pSrc, ma_uint64 count);
MA_API void ma_clip_samples_s32(ma_int32* pDst, const ma_int64* pSrc, ma_uint64 count);
MA_API void ma_clip_samples_f32(float* pDst, const float* pSrc, ma_uint64 count); MA_API void ma_clip_samples_f32(float* pDst, const float* pSrc, ma_uint64 count);
MA_API void ma_clip_pcm_frames(void* pDst, const void* pSrc, ma_uint64 frameCount, ma_format format, ma_uint32 channels);
static MA_INLINE void ma_clip_pcm_frames_f32(float* pDst, const float* pSrc, ma_uint64 frameCount, ma_uint32 channels) { ma_clip_samples_f32(pDst, pSrc, frameCount*channels); } static MA_INLINE void ma_clip_pcm_frames_f32(float* pDst, const float* pSrc, ma_uint64 frameCount, ma_uint32 channels) { ma_clip_samples_f32(pDst, pSrc, frameCount*channels); }
/* /*
@@ -8798,7 +8804,33 @@ MA_API ma_result ma_log_postf(ma_log* pLog, ma_uint32 level, const char* pFormat
/* Clamps an f32 sample to -1..1 */
static MA_INLINE ma_uint8 ma_clip_u8(ma_int16 x)
{
return (ma_uint8)(ma_clamp(x, -128, 127) + 128);
}
static MA_INLINE ma_int16 ma_clip_s16(ma_int32 x)
{
return (ma_int16)ma_clamp(x, -32768, 32767);
}
static MA_INLINE ma_int64 ma_clip_s24(ma_int64 x)
{
return (ma_int64)ma_clamp(x, -8388608, 8388607);
}
static MA_INLINE ma_int32 ma_clip_s32(ma_int64 x)
{
/* This dance is to silence warnings with -std=c89. A good compiler should be able to optimize this away. */
ma_int64 clipMin;
ma_int64 clipMax;
clipMin = -((ma_int64)2147483647 + 1);
clipMax = (ma_int64)2147483647;
return (ma_int32)ma_clamp(x, clipMin, clipMax);
}
static MA_INLINE float ma_clip_f32(float x) static MA_INLINE float ma_clip_f32(float x)
{ {
if (x < -1) return -1; if (x < -1) return -1;
@@ -8806,6 +8838,7 @@ static MA_INLINE float ma_clip_f32(float x)
return x; return x;
} }
static MA_INLINE float ma_mix_f32(float x, float y, float a) static MA_INLINE float ma_mix_f32(float x, float y, float a)
{ {
return x*(1-a) + y*a; return x*(1-a) + y*a;
@@ -34566,6 +34599,57 @@ MA_API const void* ma_offset_pcm_frames_const_ptr(const void* p, ma_uint64 offse
} }
MA_API void ma_clip_samples_u8(ma_uint8* pDst, const ma_int16* pSrc, ma_uint64 count)
{
ma_uint64 iSample;
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
for (iSample = 0; iSample < count; iSample += 1) {
pDst[iSample] = ma_clip_u8(pSrc[iSample]);
}
}
MA_API void ma_clip_samples_s16(ma_int16* pDst, const ma_int32* pSrc, ma_uint64 count)
{
ma_uint64 iSample;
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
for (iSample = 0; iSample < count; iSample += 1) {
pDst[iSample] = ma_clip_s16(pSrc[iSample]);
}
}
MA_API void ma_clip_samples_s24(ma_uint8* pDst, const ma_int64* pSrc, ma_uint64 count)
{
ma_uint64 iSample;
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
for (iSample = 0; iSample < count; iSample += 1) {
ma_int64 s = ma_clip_s24(pSrc[iSample]);
pDst[iSample*3 + 0] = (ma_uint8)((s & 0x000000FF) >> 0);
pDst[iSample*3 + 1] = (ma_uint8)((s & 0x0000FF00) >> 8);
pDst[iSample*3 + 2] = (ma_uint8)((s & 0x00FF0000) >> 16);
}
}
MA_API void ma_clip_samples_s32(ma_int32* pDst, const ma_int64* pSrc, ma_uint64 count)
{
ma_uint64 iSample;
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
for (iSample = 0; iSample < count; iSample += 1) {
pDst[iSample] = ma_clip_s32(pSrc[iSample]);
}
}
MA_API void ma_clip_samples_f32(float* pDst, const float* pSrc, ma_uint64 count) MA_API void ma_clip_samples_f32(float* pDst, const float* pSrc, ma_uint64 count)
{ {
ma_uint64 iSample; ma_uint64 iSample;
@@ -34578,6 +34662,29 @@ MA_API void ma_clip_samples_f32(float* pDst, const float* pSrc, ma_uint64 count)
} }
} }
MA_API void ma_clip_pcm_frames(void* pDst, const void* pSrc, ma_uint64 frameCount, ma_format format, ma_uint32 channels)
{
ma_uint64 sampleCount;
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
sampleCount = frameCount * channels;
switch (format) {
case ma_format_u8: ma_clip_samples_u8( (ma_uint8*)pDst, (const ma_int16*)pSrc, sampleCount); break;
case ma_format_s16: ma_clip_samples_s16((ma_int16*)pDst, (const ma_int32*)pSrc, sampleCount); break;
case ma_format_s24: ma_clip_samples_s24((ma_uint8*)pDst, (const ma_int64*)pSrc, sampleCount); break;
case ma_format_s32: ma_clip_samples_s32((ma_int32*)pDst, (const ma_int64*)pSrc, sampleCount); break;
case ma_format_f32: ma_clip_samples_f32(( float*)pDst, (const float*)pSrc, sampleCount); break;
/* Do nothing if we don't know the format. We're including these here to silence a compiler warning about enums not being handled by the switch. */
case ma_format_unknown:
case ma_format_count:
break;
}
}
MA_API void ma_copy_and_apply_volume_factor_u8(ma_uint8* pSamplesOut, const ma_uint8* pSamplesIn, ma_uint64 sampleCount, float factor) MA_API void ma_copy_and_apply_volume_factor_u8(ma_uint8* pSamplesOut, const ma_uint8* pSamplesIn, ma_uint64 sampleCount, float factor)
{ {
@@ -35061,33 +35168,6 @@ static MA_INLINE void ma_pcm_sample_s32_to_s24_no_scale(ma_int64 x, ma_uint8* s2
} }
static MA_INLINE ma_uint8 ma_clip_u8(ma_int16 x)
{
return (ma_uint8)(ma_clamp(x, -128, 127) + 128);
}
static MA_INLINE ma_int16 ma_clip_s16(ma_int32 x)
{
return (ma_int16)ma_clamp(x, -32768, 32767);
}
static MA_INLINE ma_int64 ma_clip_s24(ma_int64 x)
{
return (ma_int64)ma_clamp(x, -8388608, 8388607);
}
static MA_INLINE ma_int32 ma_clip_s32(ma_int64 x)
{
/* This dance is to silence warnings with -std=c89. A good compiler should be able to optimize this away. */
ma_int64 clipMin;
ma_int64 clipMax;
clipMin = -((ma_int64)2147483647 + 1);
clipMax = (ma_int64)2147483647;
return (ma_int32)ma_clamp(x, clipMin, clipMax);
}
/* u8 */ /* u8 */
MA_API void ma_pcm_u8_to_u8(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode) MA_API void ma_pcm_u8_to_u8(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{ {
research/miniaudio_engine.h
-77
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@@ -4599,60 +4599,6 @@ MA_API void ma_splitter_node_uninit(ma_splitter_node* pSplitterNode, const ma_al
#define MA_RESOURCE_MANAGER_PAGE_SIZE_IN_MILLISECONDS 1000 #define MA_RESOURCE_MANAGER_PAGE_SIZE_IN_MILLISECONDS 1000
#endif #endif
static void ma_clip_samples_u8(ma_uint8* pDst, const ma_int16* pSrc, ma_uint64 count)
{
ma_uint64 iSample;
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
for (iSample = 0; iSample < count; iSample += 1) {
pDst[iSample] = ma_clip_u8(pSrc[iSample]);
}
}
static void ma_clip_samples_s16(ma_int16* pDst, const ma_int32* pSrc, ma_uint64 count)
{
ma_uint64 iSample;
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
for (iSample = 0; iSample < count; iSample += 1) {
pDst[iSample] = ma_clip_s16(pSrc[iSample]);
}
}
static void ma_clip_samples_s24(ma_uint8* pDst, const ma_int64* pSrc, ma_uint64 count)
{
ma_uint64 iSample;
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
for (iSample = 0; iSample < count; iSample += 1) {
ma_int64 s = ma_clip_s24(pSrc[iSample]);
pDst[iSample*3 + 0] = (ma_uint8)((s & 0x000000FF) >> 0);
pDst[iSample*3 + 1] = (ma_uint8)((s & 0x0000FF00) >> 8);
pDst[iSample*3 + 2] = (ma_uint8)((s & 0x00FF0000) >> 16);
}
}
static void ma_clip_samples_s32(ma_int32* pDst, const ma_int64* pSrc, ma_uint64 count)
{
ma_uint64 iSample;
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
for (iSample = 0; iSample < count; iSample += 1) {
pDst[iSample] = ma_clip_s32(pSrc[iSample]);
}
}
static void ma_volume_and_clip_samples_u8(ma_uint8* pDst, const ma_int16* pSrc, ma_uint64 count, float volume) static void ma_volume_and_clip_samples_u8(ma_uint8* pDst, const ma_int16* pSrc, ma_uint64 count, float volume)
{ {
ma_uint64 iSample; ma_uint64 iSample;
@@ -4730,29 +4676,6 @@ static void ma_volume_and_clip_samples_f32(float* pDst, const float* pSrc, ma_ui
} }
} }
static void ma_clip_pcm_frames(void* pDst, const void* pSrc, ma_uint64 frameCount, ma_format format, ma_uint32 channels)
{
ma_uint64 sampleCount;
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
sampleCount = frameCount * channels;
switch (format) {
case ma_format_u8: ma_clip_samples_u8( (ma_uint8*)pDst, (const ma_int16*)pSrc, sampleCount); break;
case ma_format_s16: ma_clip_samples_s16((ma_int16*)pDst, (const ma_int32*)pSrc, sampleCount); break;
case ma_format_s24: ma_clip_samples_s24((ma_uint8*)pDst, (const ma_int64*)pSrc, sampleCount); break;
case ma_format_s32: ma_clip_samples_s32((ma_int32*)pDst, (const ma_int64*)pSrc, sampleCount); break;
case ma_format_f32: ma_clip_samples_f32(( float*)pDst, (const float*)pSrc, sampleCount); break;
/* Do nothing if we don't know the format. We're including these here to silence a compiler warning about enums not being handled by the switch. */
case ma_format_unknown:
case ma_format_count:
break;
}
}
static void ma_volume_and_clip_pcm_frames(void* pDst, const void* pSrc, ma_uint64 frameCount, ma_format format, ma_uint32 channels, float volume) static void ma_volume_and_clip_pcm_frames(void* pDst, const void* pSrc, ma_uint64 frameCount, ma_format format, ma_uint32 channels, float volume)
{ {
MA_ASSERT(pDst != NULL); MA_ASSERT(pDst != NULL);