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Don't need byteswapping on 360.

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This commit is contained in:
Themaister 2012-01-06 22:49:30 +01:00
parent 7cad2bcd6e
commit f5ad906e7b
1 changed files with 6 additions and 15 deletions
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21
360/xdk360_audio.cpp
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@ -49,15 +49,7 @@ struct XAudio : public IXAudio2VoiceCallback
if (hEvent)
CloseHandle(hEvent);
delete [] buf;
}
static inline uint32_t bswap_32(uint32_t val)
{
return (val >> 24) |
(val << 24) |
((val >> 8) & 0xff00) |
((val << 8) & 0xff0000);
delete[] buf;
}
bool init(unsigned rate, unsigned latency)
@ -89,7 +81,7 @@ struct XAudio : public IXAudio2VoiceCallback
hEvent = CreateEvent(0, FALSE, FALSE, 0);
bufsize = size / MAX_BUFFERS;
buf = new uint32_t[(bufsize * MAX_BUFFERS) >> 2];
buf = new uint8_t[bufsize * MAX_BUFFERS];
memset(buf, 0, bufsize * MAX_BUFFERS);
if (FAILED(pSourceVoice->Start(0)))
@ -99,7 +91,7 @@ struct XAudio : public IXAudio2VoiceCallback
}
// It's really 16-bit, but we have to byteswap.
size_t write(const uint32_t *buffer, size_t size)
size_t write(const uint8_t *buffer, size_t size)
{
if (nonblock)
{
@ -114,9 +106,8 @@ struct XAudio : public IXAudio2VoiceCallback
while (bytes)
{
unsigned need = min(bytes, bufsize - bufptr);
uint32_t *base_write = buf + ((write_buffer * bufsize + bufptr) >> 2);
for (unsigned i = 0; i < need >> 2; i++)
base_write[i] = (buffer[i]);
uint8_t *base_write = buf + write_buffer * bufsize + bufptr;
memcpy(base_write, buffer, need);
bufptr += need;
buffer += need;
@ -129,7 +120,7 @@ struct XAudio : public IXAudio2VoiceCallback
XAUDIO2_BUFFER xa2buffer = {0};
xa2buffer.AudioBytes = bufsize;
xa2buffer.pAudioData = (uint8_t*)buf + write_buffer * bufsize;
xa2buffer.pAudioData = buf + write_buffer * bufsize;
if (FAILED(pSourceVoice->SubmitSourceBuffer(&xa2buffer)))
return 0;