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Update dr_flac and dr_wav.

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This commit is contained in:
David Reid
2019-05-21 17:43:45 +10:00
parent 8a6800493b
commit 94406c3c26
2 changed files with 55 additions and 42 deletions
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extras/dr_flac.h
+45 -35
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@@ -1,6 +1,6 @@
/*
FLAC audio decoder. Choice of public domain or MIT-0. See license statements at the end of this file.
dr_flac - v0.11.7 - 2019-05-06
dr_flac - v0.11.8 - 2019-05-21
David Reid - mackron@gmail.com
*/
@@ -1145,17 +1145,24 @@ static drflac_bool32 drflac__gIsSSE2Supported = DRFLAC_FALSE;
static drflac_bool32 drflac__gIsSSE41Supported = DRFLAC_FALSE;
static void drflac__init_cpu_caps()
{
int info[4] = {0};
static drflac_bool32 isCPUCapsInitialized = DRFLAC_FALSE;
/* LZCNT */
drflac__cpuid(info, 0x80000001);
drflac__gIsLZCNTSupported = (info[2] & (1 << 5)) != 0;
if (!isCPUCapsInitialized) {
int info[4] = {0};
/* SSE2 */
drflac__gIsSSE2Supported = drflac_has_sse2();
/* LZCNT */
drflac__cpuid(info, 0x80000001);
drflac__gIsLZCNTSupported = (info[2] & (1 << 5)) != 0;
/* SSE4.1 */
drflac__gIsSSE41Supported = drflac_has_sse41();
/* SSE2 */
drflac__gIsSSE2Supported = drflac_has_sse2();
/* SSE4.1 */
drflac__gIsSSE41Supported = drflac_has_sse41();
/* Initialized. */
isCPUCapsInitialized = DRFLAC_TRUE;
}
}
#endif
@@ -4897,9 +4904,9 @@ typedef struct
static DRFLAC_INLINE void drflac__decode_block_header(drflac_uint32 blockHeader, drflac_uint8* isLastBlock, drflac_uint8* blockType, drflac_uint32* blockSize)
{
blockHeader = drflac__be2host_32(blockHeader);
*isLastBlock = (blockHeader & (0x01 << 31)) >> 31;
*blockType = (blockHeader & (0x7F << 24)) >> 24;
*blockSize = (blockHeader & 0xFFFFFF);
*isLastBlock = (blockHeader & 0x80000000UL) >> 31;
*blockType = (blockHeader & 0x7F000000UL) >> 24;
*blockSize = (blockHeader & 0x00FFFFFFUL);
}
static DRFLAC_INLINE drflac_bool32 drflac__read_and_decode_block_header(drflac_read_proc onRead, void* pUserData, drflac_uint8* isLastBlock, drflac_uint8* blockType, drflac_uint32* blockSize)
@@ -6759,10 +6766,10 @@ drflac_uint64 drflac__read_s32__misaligned(drflac* pFlac, drflac_uint64 samplesT
case DRFLAC_CHANNEL_ASSIGNMENT_LEFT_SIDE:
{
if (channelIndex == 0) {
decodedSample = pFlac->currentFrame.subframes[channelIndex + 0].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex + 0].wastedBitsPerSample;
decodedSample = (int)((drflac_uint32)pFlac->currentFrame.subframes[channelIndex + 0].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex + 0].wastedBitsPerSample);
} else {
int side = pFlac->currentFrame.subframes[channelIndex + 0].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex + 0].wastedBitsPerSample;
int left = pFlac->currentFrame.subframes[channelIndex - 1].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex - 1].wastedBitsPerSample;
int side = (int)((drflac_uint32)pFlac->currentFrame.subframes[channelIndex + 0].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex + 0].wastedBitsPerSample);
int left = (int)((drflac_uint32)pFlac->currentFrame.subframes[channelIndex - 1].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex - 1].wastedBitsPerSample);
decodedSample = left - side;
}
} break;
@@ -6770,11 +6777,11 @@ drflac_uint64 drflac__read_s32__misaligned(drflac* pFlac, drflac_uint64 samplesT
case DRFLAC_CHANNEL_ASSIGNMENT_RIGHT_SIDE:
{
if (channelIndex == 0) {
int side = pFlac->currentFrame.subframes[channelIndex + 0].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex + 0].wastedBitsPerSample;
int right = pFlac->currentFrame.subframes[channelIndex + 1].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex + 1].wastedBitsPerSample;
int side = (int)((drflac_uint32)pFlac->currentFrame.subframes[channelIndex + 0].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex + 0].wastedBitsPerSample);
int right = (int)((drflac_uint32)pFlac->currentFrame.subframes[channelIndex + 1].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex + 1].wastedBitsPerSample);
decodedSample = side + right;
} else {
decodedSample = pFlac->currentFrame.subframes[channelIndex + 0].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex + 0].wastedBitsPerSample;
decodedSample = (int)((drflac_uint32)pFlac->currentFrame.subframes[channelIndex + 0].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex + 0].wastedBitsPerSample);
}
} break;
@@ -6783,14 +6790,14 @@ drflac_uint64 drflac__read_s32__misaligned(drflac* pFlac, drflac_uint64 samplesT
int mid;
int side;
if (channelIndex == 0) {
mid = pFlac->currentFrame.subframes[channelIndex + 0].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex + 0].wastedBitsPerSample;
side = pFlac->currentFrame.subframes[channelIndex + 1].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex + 1].wastedBitsPerSample;
mid = (int)((drflac_uint32)pFlac->currentFrame.subframes[channelIndex + 0].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex + 0].wastedBitsPerSample);
side = (int)((drflac_uint32)pFlac->currentFrame.subframes[channelIndex + 1].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex + 1].wastedBitsPerSample);
mid = (((unsigned int)mid) << 1) | (side & 0x01);
decodedSample = (mid + side) >> 1;
} else {
mid = pFlac->currentFrame.subframes[channelIndex - 1].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex - 1].wastedBitsPerSample;
side = pFlac->currentFrame.subframes[channelIndex + 0].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex + 0].wastedBitsPerSample;
mid = (int)((drflac_uint32)pFlac->currentFrame.subframes[channelIndex - 1].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex - 1].wastedBitsPerSample);
side = (int)((drflac_uint32)pFlac->currentFrame.subframes[channelIndex + 0].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex + 0].wastedBitsPerSample);
mid = (((unsigned int)mid) << 1) | (side & 0x01);
decodedSample = (mid - side) >> 1;
@@ -6800,11 +6807,11 @@ drflac_uint64 drflac__read_s32__misaligned(drflac* pFlac, drflac_uint64 samplesT
case DRFLAC_CHANNEL_ASSIGNMENT_INDEPENDENT:
default:
{
decodedSample = pFlac->currentFrame.subframes[channelIndex + 0].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex + 0].wastedBitsPerSample;
decodedSample = (int)((drflac_uint32)pFlac->currentFrame.subframes[channelIndex + 0].pDecodedSamples[nextSampleInFrame] << pFlac->currentFrame.subframes[channelIndex + 0].wastedBitsPerSample);
} break;
}
decodedSample <<= (32 - pFlac->bitsPerSample);
decodedSample = (int)((drflac_uint32)decodedSample << (32 - pFlac->bitsPerSample));
if (bufferOut) {
*bufferOut++ = decodedSample;
@@ -6876,8 +6883,8 @@ drflac_uint64 drflac_read_s32(drflac* pFlac, drflac_uint64 samplesToRead, drflac
const drflac_int32* pDecodedSamples1 = pFlac->currentFrame.subframes[1].pDecodedSamples + firstAlignedSampleInFrame;
for (i = 0; i < alignedSampleCountPerChannel; ++i) {
int left = pDecodedSamples0[i] << (unusedBitsPerSample + pFlac->currentFrame.subframes[0].wastedBitsPerSample);
int side = pDecodedSamples1[i] << (unusedBitsPerSample + pFlac->currentFrame.subframes[1].wastedBitsPerSample);
int left = (int)((drflac_uint32)pDecodedSamples0[i] << (unusedBitsPerSample + pFlac->currentFrame.subframes[0].wastedBitsPerSample));
int side = (int)((drflac_uint32)pDecodedSamples1[i] << (unusedBitsPerSample + pFlac->currentFrame.subframes[1].wastedBitsPerSample));
int right = left - side;
bufferOut[i*2+0] = left;
@@ -6892,8 +6899,8 @@ drflac_uint64 drflac_read_s32(drflac* pFlac, drflac_uint64 samplesToRead, drflac
const drflac_int32* pDecodedSamples1 = pFlac->currentFrame.subframes[1].pDecodedSamples + firstAlignedSampleInFrame;
for (i = 0; i < alignedSampleCountPerChannel; ++i) {
int side = pDecodedSamples0[i] << (unusedBitsPerSample + pFlac->currentFrame.subframes[0].wastedBitsPerSample);
int right = pDecodedSamples1[i] << (unusedBitsPerSample + pFlac->currentFrame.subframes[1].wastedBitsPerSample);
int side = (int)((drflac_uint32)pDecodedSamples0[i] << (unusedBitsPerSample + pFlac->currentFrame.subframes[0].wastedBitsPerSample));
int right = (int)((drflac_uint32)pDecodedSamples1[i] << (unusedBitsPerSample + pFlac->currentFrame.subframes[1].wastedBitsPerSample));
int left = right + side;
bufferOut[i*2+0] = left;
@@ -6908,13 +6915,13 @@ drflac_uint64 drflac_read_s32(drflac* pFlac, drflac_uint64 samplesToRead, drflac
const drflac_int32* pDecodedSamples1 = pFlac->currentFrame.subframes[1].pDecodedSamples + firstAlignedSampleInFrame;
for (i = 0; i < alignedSampleCountPerChannel; ++i) {
int mid = pDecodedSamples0[i] << pFlac->currentFrame.subframes[0].wastedBitsPerSample;
int side = pDecodedSamples1[i] << pFlac->currentFrame.subframes[1].wastedBitsPerSample;
int mid = (int)((drflac_uint32)pDecodedSamples0[i] << pFlac->currentFrame.subframes[0].wastedBitsPerSample);
int side = (int)((drflac_uint32)pDecodedSamples1[i] << pFlac->currentFrame.subframes[1].wastedBitsPerSample);
mid = (((drflac_uint32)mid) << 1) | (side & 0x01);
bufferOut[i*2+0] = ((mid + side) >> 1) << (unusedBitsPerSample);
bufferOut[i*2+1] = ((mid - side) >> 1) << (unusedBitsPerSample);
bufferOut[i*2+0] = (drflac_int32)((drflac_uint32)((mid + side) >> 1) << (unusedBitsPerSample));
bufferOut[i*2+1] = (drflac_int32)((drflac_uint32)((mid - side) >> 1) << (unusedBitsPerSample));
}
} break;
@@ -6929,8 +6936,8 @@ drflac_uint64 drflac_read_s32(drflac* pFlac, drflac_uint64 samplesToRead, drflac
const drflac_int32* pDecodedSamples1 = pFlac->currentFrame.subframes[1].pDecodedSamples + firstAlignedSampleInFrame;
for (i = 0; i < alignedSampleCountPerChannel; ++i) {
bufferOut[i*2+0] = pDecodedSamples0[i] << (unusedBitsPerSample + pFlac->currentFrame.subframes[0].wastedBitsPerSample);
bufferOut[i*2+1] = pDecodedSamples1[i] << (unusedBitsPerSample + pFlac->currentFrame.subframes[1].wastedBitsPerSample);
bufferOut[i*2+0] = (drflac_int32)((drflac_uint32)pDecodedSamples0[i] << (unusedBitsPerSample + pFlac->currentFrame.subframes[0].wastedBitsPerSample));
bufferOut[i*2+1] = (drflac_int32)((drflac_uint32)pDecodedSamples1[i] << (unusedBitsPerSample + pFlac->currentFrame.subframes[1].wastedBitsPerSample));
}
}
else
@@ -6940,7 +6947,7 @@ drflac_uint64 drflac_read_s32(drflac* pFlac, drflac_uint64 samplesToRead, drflac
for (i = 0; i < alignedSampleCountPerChannel; ++i) {
unsigned int j;
for (j = 0; j < channelCount; ++j) {
bufferOut[(i*channelCount)+j] = (pFlac->currentFrame.subframes[j].pDecodedSamples[firstAlignedSampleInFrame + i]) << (unusedBitsPerSample + pFlac->currentFrame.subframes[j].wastedBitsPerSample);
bufferOut[(i*channelCount)+j] = (drflac_int32)((drflac_uint32)(pFlac->currentFrame.subframes[j].pDecodedSamples[firstAlignedSampleInFrame + i]) << (unusedBitsPerSample + pFlac->currentFrame.subframes[j].wastedBitsPerSample));
}
}
}
@@ -8649,6 +8656,9 @@ drflac_bool32 drflac_next_cuesheet_track(drflac_cuesheet_track_iterator* pIter,
/*
REVISION HISTORY
================
v0.11.8 - 2019-05-21
- Fix warnings.
v0.11.7 - 2019-05-06
- C89 fixes.