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dsound: Don't convert single samples at a time. 

This gives a minor performance improvement.
This commit is contained in:
Henri Verbeet 2009-01-15 09:58:45 +01:00 committed by Alexandre Julliard
parent 44240eff27
commit 5570a1da8e
3 changed files with 197 additions and 89 deletions
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250
dlls/dsound/dsound_convert.c
View File

@ -58,119 +58,241 @@ WINE_DEFAULT_DEBUG_CHANNEL(dsound);
#define le32(x) (x)
#endif
static void convert_8_to_8 (const void *src, void *dst)
static inline void src_advance(const void **src, UINT stride, INT *count, UINT *freqAcc, UINT adj)
{
BYTE *dest = dst;
*dest = *(const BYTE *)src;
*freqAcc += adj;
if (*freqAcc >= (1 << DSOUND_FREQSHIFT))
{
ULONG adv = (*freqAcc >> DSOUND_FREQSHIFT);
*freqAcc &= (1 << DSOUND_FREQSHIFT) - 1;
*(const char **)src += adv * stride;
*count -= adv;
}
}
static void convert_8_to_16 (const void *src, void *dst)
static void convert_8_to_8 (const void *src, void *dst, UINT src_stride,
UINT dst_stride, INT count, UINT freqAcc, UINT adj)
{
WORD dest = *(const BYTE *)src, *dest16 = dst;
*dest16 = le16(dest * 257 - 32768);
while (count > 0)
{
*(BYTE *)dst = *(const BYTE *)src;
dst = (char *)dst + dst_stride;
src_advance(&src, src_stride, &count, &freqAcc, adj);
}
}
static void convert_8_to_24 (const void *src, void *dst)
static void convert_8_to_16 (const void *src, void *dst, UINT src_stride,
UINT dst_stride, INT count, UINT freqAcc, UINT adj)
{
BYTE dest = *(const BYTE *)src;
BYTE *dest24 = dst;
dest24[0] = dest;
dest24[1] = dest;
dest24[2] = dest - 0x80;
while (count > 0)
{
WORD dest = *(const BYTE *)src, *dest16 = dst;
*dest16 = le16(dest * 257 - 32768);
dst = (char *)dst + dst_stride;
src_advance(&src, src_stride, &count, &freqAcc, adj);
}
}
static void convert_8_to_32 (const void *src, void *dst)
static void convert_8_to_24 (const void *src, void *dst, UINT src_stride,
UINT dst_stride, INT count, UINT freqAcc, UINT adj)
{
DWORD dest = *(const BYTE *)src, *dest32 = dst;
*dest32 = le32(dest * 16843009 - 2147483648U);
while (count > 0)
{
BYTE dest = *(const BYTE *)src;
BYTE *dest24 = dst;
dest24[0] = dest;
dest24[1] = dest;
dest24[2] = dest - 0x80;
dst = (char *)dst + dst_stride;
src_advance(&src, src_stride, &count, &freqAcc, adj);
}
}
static void convert_16_to_8 (const void *src, void *dst)
static void convert_8_to_32 (const void *src, void *dst, UINT src_stride,
UINT dst_stride, INT count, UINT freqAcc, UINT adj)
{
BYTE *dst8 = dst;
*dst8 = (le16(*(const WORD *)src)) / 256;
*dst8 -= 0x80;
while (count > 0)
{
DWORD dest = *(const BYTE *)src, *dest32 = dst;
*dest32 = le32(dest * 16843009 - 2147483648U);
dst = (char *)dst + dst_stride;
src_advance(&src, src_stride, &count, &freqAcc, adj);
}
}
static void convert_16_to_16 (const void *src, void *dst)
static void convert_16_to_8 (const void *src, void *dst, UINT src_stride,
UINT dst_stride, INT count, UINT freqAcc, UINT adj)
{
WORD *dest = dst;
*dest = *(const WORD *)src;
while (count > 0)
{
BYTE *dst8 = dst;
*dst8 = (le16(*(const WORD *)src)) / 256;
*dst8 -= 0x80;
dst = (char *)dst + dst_stride;
src_advance(&src, src_stride, &count, &freqAcc, adj);
}
}
static void convert_16_to_24 (const void *src, void *dst)
static void convert_16_to_16 (const void *src, void *dst, UINT src_stride,
UINT dst_stride, INT count, UINT freqAcc, UINT adj)
{
WORD dest = le16(*(const WORD *)src);
BYTE *dest24 = dst;
while (count > 0)
{
*(WORD *)dst = *(const WORD *)src;
dest24[0] = dest / 256;
dest24[1] = dest;
dest24[2] = dest / 256;
dst = (char *)dst + dst_stride;
src_advance(&src, src_stride, &count, &freqAcc, adj);
}
}
static void convert_16_to_32 (const void *src, void *dst)
static void convert_16_to_24 (const void *src, void *dst, UINT src_stride,
UINT dst_stride, INT count, UINT freqAcc, UINT adj)
{
DWORD dest = *(const WORD *)src, *dest32 = dst;
*dest32 = dest * 65537;
while (count > 0)
{
WORD dest = le16(*(const WORD *)src);
BYTE *dest24 = dst;
dest24[0] = dest / 256;
dest24[1] = dest;
dest24[2] = dest / 256;
dst = (char *)dst + dst_stride;
src_advance(&src, src_stride, &count, &freqAcc, adj);
}
}
static void convert_24_to_8 (const void *src, void *dst)
static void convert_16_to_32 (const void *src, void *dst, UINT src_stride,
UINT dst_stride, INT count, UINT freqAcc, UINT adj)
{
BYTE *dst8 = dst;
*dst8 = ((const BYTE *)src)[2];
while (count > 0)
{
DWORD dest = *(const WORD *)src, *dest32 = dst;
*dest32 = dest * 65537;
dst = (char *)dst + dst_stride;
src_advance(&src, src_stride, &count, &freqAcc, adj);
}
}
static void convert_24_to_16 (const void *src, void *dst)
static void convert_24_to_8 (const void *src, void *dst, UINT src_stride,
UINT dst_stride, INT count, UINT freqAcc, UINT adj)
{
WORD *dest16 = dst;
const BYTE *source = src;
*dest16 = le16(source[2] * 256 + source[1]);
while (count > 0)
{
BYTE *dst8 = dst;
*dst8 = ((const BYTE *)src)[2];
dst = (char *)dst + dst_stride;
src_advance(&src, src_stride, &count, &freqAcc, adj);
}
}
static void convert_24_to_24 (const void *src, void *dst)
static void convert_24_to_16 (const void *src, void *dst, UINT src_stride,
UINT dst_stride, INT count, UINT freqAcc, UINT adj)
{
BYTE *dest24 = dst;
const BYTE *src24 = src;
while (count > 0)
{
WORD *dest16 = dst;
const BYTE *source = src;
*dest16 = le16(source[2] * 256 + source[1]);
dest24[0] = src24[0];
dest24[1] = src24[1];
dest24[2] = src24[2];
dst = (char *)dst + dst_stride;
src_advance(&src, src_stride, &count, &freqAcc, adj);
}
}
static void convert_24_to_32 (const void *src, void *dst)
static void convert_24_to_24 (const void *src, void *dst, UINT src_stride,
UINT dst_stride, INT count, UINT freqAcc, UINT adj)
{
DWORD *dest32 = dst;
const BYTE *source = src;
*dest32 = le32(source[2] * 16777217 + source[1] * 65536 + source[0] * 256);
while (count > 0)
{
BYTE *dest24 = dst;
const BYTE *src24 = src;
dest24[0] = src24[0];
dest24[1] = src24[1];
dest24[2] = src24[2];
dst = (char *)dst + dst_stride;
src_advance(&src, src_stride, &count, &freqAcc, adj);
}
}
static void convert_32_to_8 (const void *src, void *dst)
static void convert_24_to_32 (const void *src, void *dst, UINT src_stride,
UINT dst_stride, INT count, UINT freqAcc, UINT adj)
{
BYTE *dst8 = dst;
*dst8 = (le32(*(const DWORD *)src) / 16777216);
*dst8 -= 0x80;
while (count > 0)
{
DWORD *dest32 = dst;
const BYTE *source = src;
*dest32 = le32(source[2] * 16777217 + source[1] * 65536 + source[0] * 256);
dst = (char *)dst + dst_stride;
src_advance(&src, src_stride, &count, &freqAcc, adj);
}
}
static void convert_32_to_16 (const void *src, void *dst)
static void convert_32_to_8 (const void *src, void *dst, UINT src_stride,
UINT dst_stride, INT count, UINT freqAcc, UINT adj)
{
WORD *dest16 = dst;
*dest16 = le16(le32(*(const DWORD *)src) / 65536);
while (count > 0)
{
BYTE *dst8 = dst;
*dst8 = (le32(*(const DWORD *)src) / 16777216);
*dst8 -= 0x80;
dst = (char *)dst + dst_stride;
src_advance(&src, src_stride, &count, &freqAcc, adj);
}
}
static void convert_32_to_24 (const void *src, void *dst)
static void convert_32_to_16 (const void *src, void *dst, UINT src_stride,
UINT dst_stride, INT count, UINT freqAcc, UINT adj)
{
DWORD dest = le32(*(const DWORD *)src);
BYTE *dest24 = dst;
while (count > 0)
{
WORD *dest16 = dst;
*dest16 = le16(le32(*(const DWORD *)src) / 65536);
dest24[0] = dest / 256;
dest24[1] = dest / 65536;
dest24[2] = dest / 16777216;
dst = (char *)dst + dst_stride;
src_advance(&src, src_stride, &count, &freqAcc, adj);
}
}
static void convert_32_to_32 (const void *src, void *dst)
static void convert_32_to_24 (const void *src, void *dst, UINT src_stride,
UINT dst_stride, INT count, UINT freqAcc, UINT adj)
{
DWORD *dest = dst;
*dest = *(const DWORD *)src;
while (count > 0)
{
DWORD dest = le32(*(const DWORD *)src);
BYTE *dest24 = dst;
dest24[0] = dest / 256;
dest24[1] = dest / 65536;
dest24[2] = dest / 16777216;
dst = (char *)dst + dst_stride;
src_advance(&src, src_stride, &count, &freqAcc, adj);
}
}
static void convert_32_to_32 (const void *src, void *dst, UINT src_stride,
UINT dst_stride, INT count, UINT freqAcc, UINT adj)
{
while (count > 0)
{
DWORD *dest = dst;
*dest = *(const DWORD *)src;
dst = (char *)dst + dst_stride;
src_advance(&src, src_stride, &count, &freqAcc, adj);
}
}
const bitsconvertfunc convertbpp[4][4] = {

2
dlls/dsound/dsound_private.h
View File

@ -69,7 +69,7 @@ typedef struct DirectSoundDevice DirectSoundDevice;
typedef struct DirectSoundCaptureDevice DirectSoundCaptureDevice;
/* dsound_convert.h */
typedef void (*bitsconvertfunc)(const void *, void *);
typedef void (*bitsconvertfunc)(const void *, void *, UINT, UINT, INT, UINT, UINT);
extern const bitsconvertfunc convertbpp[4][4];
typedef void (*mixfunc)(const void *, void *, unsigned);
extern const mixfunc mixfunctions[4];

34
dlls/dsound/mixer.c
View File

@ -271,26 +271,27 @@ void DSOUND_CheckEvent(const IDirectSoundBufferImpl *dsb, DWORD playpos, int len
* Copy a single frame from the given input buffer to the given output buffer.
* Translate 8 <-> 16 bits and mono <-> stereo
*/
static inline void cp_fields(const IDirectSoundBufferImpl *dsb, const BYTE *ibuf, BYTE *obuf )
static inline void cp_fields(const IDirectSoundBufferImpl *dsb, const BYTE *ibuf, BYTE *obuf,
UINT istride, UINT ostride, UINT count, UINT freqAcc, UINT adj)
{
DirectSoundDevice *device = dsb->device;
INT istep = dsb->pwfx->wBitsPerSample / 8, ostep = device->pwfx->wBitsPerSample / 8;
if (device->pwfx->nChannels == dsb->pwfx->nChannels) {
dsb->convert(ibuf, obuf);
dsb->convert(ibuf, obuf, istride, ostride, count, freqAcc, adj);
if (device->pwfx->nChannels == 2)
dsb->convert(ibuf + istep, obuf + ostep);
dsb->convert(ibuf + istep, obuf + ostep, istride, ostride, count, freqAcc, adj);
}
if (device->pwfx->nChannels == 1 && dsb->pwfx->nChannels == 2)
{
dsb->convert(ibuf, obuf);
dsb->convert(ibuf, obuf, istride, ostride, count, freqAcc, adj);
}
if (device->pwfx->nChannels == 2 && dsb->pwfx->nChannels == 1)
{
dsb->convert(ibuf, obuf);
dsb->convert(ibuf, obuf + ostep);
dsb->convert(ibuf, obuf, istride, ostride, count, freqAcc, adj);
dsb->convert(ibuf, obuf + ostep, istride, ostride, count, freqAcc, adj);
}
}
@ -324,7 +325,6 @@ static inline DWORD DSOUND_BufPtrDiff(DWORD buflen, DWORD ptr1, DWORD ptr2)
*/
void DSOUND_MixToTemporary(const IDirectSoundBufferImpl *dsb, DWORD writepos, DWORD len, BOOL inmixer)
{
DWORD i;
INT size;
BYTE *ibp, *obp, *obp_begin;
INT iAdvance = dsb->pwfx->nBlockAlign;
@ -357,6 +357,7 @@ void DSOUND_MixToTemporary(const IDirectSoundBufferImpl *dsb, DWORD writepos, DW
obp_begin = dsb->device->tmp_buffer;
TRACE("(%p, %p)\n", dsb, ibp);
size = len / iAdvance;
/* Check for same sample rate */
if (dsb->freq == dsb->device->pwfx->nSamplesPerSec) {
@ -366,17 +367,12 @@ void DSOUND_MixToTemporary(const IDirectSoundBufferImpl *dsb, DWORD writepos, DW
if (!inmixer)
obp += writepos/iAdvance*oAdvance;
for (i = 0; i < len; i += iAdvance) {
cp_fields(dsb, ibp, obp);
ibp += iAdvance;
obp += oAdvance;
}
cp_fields(dsb, ibp, obp, iAdvance, oAdvance, size, 0, 1 << DSOUND_FREQSHIFT);
return;
}
/* Mix in different sample rates */
TRACE("(%p) Adjusting frequency: %d -> %d\n", dsb, dsb->freq, dsb->device->pwfx->nSamplesPerSec);
size = len / iAdvance;
target_writepos = DSOUND_secpos_to_bufpos(dsb, writepos, dsb->sec_mixpos, &freqAcc);
overshot = freqAcc >> DSOUND_FREQSHIFT;
@ -398,17 +394,7 @@ void DSOUND_MixToTemporary(const IDirectSoundBufferImpl *dsb, DWORD writepos, DW
else obp = obp_begin;
/* FIXME: Small problem here when we're overwriting buf_mixpos, it then STILL uses old freqAcc, not sure if it matters or not */
while (size > 0) {
cp_fields(dsb, ibp, obp);
obp += oAdvance;
freqAcc += dsb->freqAdjust;
if (freqAcc >= (1<<DSOUND_FREQSHIFT)) {
ULONG adv = (freqAcc>>DSOUND_FREQSHIFT);
freqAcc &= (1<<DSOUND_FREQSHIFT)-1;
ibp += adv * iAdvance;
size -= adv;
}
}
cp_fields(dsb, ibp, obp, iAdvance, oAdvance, size, freqAcc, dsb->freqAdjust);
}
/** Apply volume to the given soundbuffer from (primary) position writepos and length len