diff options
| author | Chris Robinson <[email protected]> | 2014-03-05 04:59:24 -0800 |
|---|---|---|
| committer | Chris Robinson <[email protected]> | 2014-03-05 04:59:24 -0800 |
| commit | f82f3f10ab55fe43178b88c9b8e0fb6a0b839242 (patch) | |
| tree | ba381001b3d8d09802163d127a28c1ced51e6128 /OpenAL32/alBuffer.c | |
| parent | 15b68fe694f62af249b1c422a7be0843c420a353 (diff) | |
Use specialized methods for converting IMA4 and MSADPCM to ALshort
Since the decoder methods already convert to ALshort, there's no need to use a
temp buffer that's just going to copy directly to the destination.
Diffstat (limited to 'OpenAL32/alBuffer.c')
| -rw-r--r-- | OpenAL32/alBuffer.c | 47 |
1 files changed, 39 insertions, 8 deletions
diff --git a/OpenAL32/alBuffer.c b/OpenAL32/alBuffer.c index f366ff67..ddd9e59f 100644 --- a/OpenAL32/alBuffer.c +++ b/OpenAL32/alBuffer.c @@ -1846,7 +1846,19 @@ static void Convert_##T##_ALima4(T *dst, const ALima4 *src, ALuint numchans, \ DECL_TEMPLATE(ALbyte) DECL_TEMPLATE(ALubyte) -DECL_TEMPLATE(ALshort) +static void Convert_ALshort_ALima4(ALshort *dst, const ALima4 *src, ALuint numchans, + ALuint len, ALuint align) +{ + ALsizei byte_align = ((align-1)/2 + 4) * numchans; + ALuint i; + + for(i = 0;i < len;i += align) + { + DecodeIMA4Block(dst, src, numchans, align); + src += byte_align; + dst += align*numchans; + } +} DECL_TEMPLATE(ALushort) DECL_TEMPLATE(ALint) DECL_TEMPLATE(ALuint) @@ -1866,14 +1878,17 @@ static void Convert_ALima4_##T(ALima4 *dst, const T *src, ALuint numchans, \ ALint sample[MaxChannels] = {0,0,0,0,0,0,0,0}; \ ALint index[MaxChannels] = {0,0,0,0,0,0,0,0}; \ ALsizei byte_align = ((align-1)/2 + 4) * numchans; \ + ALuint i, j, k; \ ALshort *tmp; \ - ALuint i, j; \ \ tmp = alloca(align*numchans); \ for(i = 0;i < len;i += align) \ { \ - for(j = 0;j < align*numchans;j++) \ - tmp[j] = Conv_ALshort_##T(*(src++)); \ + for(j = 0;j < align;j++) \ + { \ + for(k = 0;k < numchans;k++) \ + tmp[j*numchans + k] = Conv_ALshort_##T(*(src++)); \ + } \ EncodeIMA4Block(dst, tmp, sample, index, numchans, align); \ dst += byte_align; \ } \ @@ -1920,7 +1935,20 @@ static void Convert_##T##_ALmsadpcm(T *dst, const ALmsadpcm *src, \ DECL_TEMPLATE(ALbyte) DECL_TEMPLATE(ALubyte) -DECL_TEMPLATE(ALshort) +static void Convert_ALshort_ALmsadpcm(ALshort *dst, const ALmsadpcm *src, + ALuint numchans, ALuint len, + ALuint align) +{ + ALsizei byte_align = ((align-2)/2 + 7) * numchans; + ALuint i; + + for(i = 0;i < len;i += align) + { + DecodeMSADPCMBlock(dst, src, numchans, align); + src += byte_align; + dst += align*numchans; + } +} DECL_TEMPLATE(ALushort) DECL_TEMPLATE(ALint) DECL_TEMPLATE(ALuint) @@ -1940,16 +1968,19 @@ static void Convert_ALmsadpcm_##T(ALmsadpcm *dst, const T *src, \ ALint sample[MaxChannels] = {0,0,0,0,0,0,0,0}; \ ALint index[MaxChannels] = {0,0,0,0,0,0,0,0}; \ ALsizei byte_align = ((align-2)/2 + 7) * numchans; \ + ALuint i, j, k; \ ALshort *tmp; \ - ALuint i, j; \ \ ERR("MSADPCM encoding not currently supported!\n"); \ \ tmp = alloca(align*numchans); \ for(i = 0;i < len;i += align) \ { \ - for(j = 0;j < align*numchans;j++) \ - tmp[j] = Conv_ALshort_##T(*(src++)); \ + for(j = 0;j < align;j++) \ + { \ + for(k = 0;k < numchans;k++) \ + tmp[j*numchans + k] = Conv_ALshort_##T(*(src++)); \ + } \ EncodeMSADPCMBlock(dst, tmp, sample, index, numchans, align); \ dst += byte_align; \ } \ |