diff options
Diffstat (limited to 'OpenAL32')
| -rw-r--r-- | OpenAL32/Include/alBuffer.h | 3 | ||||
| -rw-r--r-- | OpenAL32/alBuffer.c | 56 |
2 files changed, 41 insertions, 18 deletions
diff --git a/OpenAL32/Include/alBuffer.h b/OpenAL32/Include/alBuffer.h index 9561b057..81721de2 100644 --- a/OpenAL32/Include/alBuffer.h +++ b/OpenAL32/Include/alBuffer.h @@ -18,6 +18,9 @@ typedef struct ALbuffer ALenum eOriginalFormat; ALsizei frequency; + ALsizei OriginalSize; + ALsizei OriginalAlign; + ALuint refcount; // Number of sources using this buffer (deletion can only occur when this is 0) // Index to itself diff --git a/OpenAL32/alBuffer.c b/OpenAL32/alBuffer.c index 2e232792..82c0808b 100644 --- a/OpenAL32/alBuffer.c +++ b/OpenAL32/alBuffer.c @@ -317,6 +317,7 @@ AL_API ALvoid AL_APIENTRY alBufferData(ALuint buffer,ALenum format,const ALvoid ALuint OrigBytes = ((format==AL_FORMAT_REAR8) ? 1 : ((format==AL_FORMAT_REAR16) ? 2 : 4)); + ALsizei newsize; if((size%(OrigBytes*2)) != 0) { @@ -324,20 +325,23 @@ AL_API ALvoid AL_APIENTRY alBufferData(ALuint buffer,ALenum format,const ALvoid break; } - size /= OrigBytes; - size *= 2; + newsize = size / OrigBytes; + newsize *= 2; // Samples are converted here - temp = realloc(ALBuf->data, (BUFFER_PADDING*NewChannels + size) * NewBytes); + temp = realloc(ALBuf->data, (BUFFER_PADDING*NewChannels + newsize) * NewBytes); if(temp) { ALBuf->data = temp; - ConvertDataRear(ALBuf->data, data, OrigBytes, size); + ConvertDataRear(ALBuf->data, data, OrigBytes, newsize); ALBuf->format = NewFormat; ALBuf->eOriginalFormat = format; - ALBuf->size = size*NewBytes; + ALBuf->size = newsize*NewBytes; ALBuf->frequency = freq; + + ALBuf->OriginalSize = size; + ALBuf->OriginalAlign = OrigBytes * 2; } else alSetError(Context, AL_OUT_OF_MEMORY); @@ -383,6 +387,7 @@ AL_API ALvoid AL_APIENTRY alBufferData(ALuint buffer,ALenum format,const ALvoid ALenum NewFormat = ((OrigChans==1) ? AL_FORMAT_MONO_FLOAT32 : AL_FORMAT_STEREO_FLOAT32); ALuint NewBytes = aluBytesFromFormat(NewFormat); + ALsizei newsize; // Here is where things vary: // nVidia and Apple use 64+1 samples per channel per block => block_size=36*chans bytes @@ -393,20 +398,23 @@ AL_API ALvoid AL_APIENTRY alBufferData(ALuint buffer,ALenum format,const ALvoid break; } - size /= 36; - size *= 65; + newsize = size / 36; + newsize *= 65; // Allocate extra padding samples - temp = realloc(ALBuf->data, (BUFFER_PADDING*OrigChans + size)*NewBytes); + temp = realloc(ALBuf->data, (BUFFER_PADDING*OrigChans + newsize)*NewBytes); if(temp) { ALBuf->data = temp; - ConvertDataIMA4(ALBuf->data, data, OrigChans, size/65); + ConvertDataIMA4(ALBuf->data, data, OrigChans, newsize/65); ALBuf->format = NewFormat; ALBuf->eOriginalFormat = format; - ALBuf->size = size*NewBytes; + ALBuf->size = newsize*NewBytes; ALBuf->frequency = freq; + + ALBuf->OriginalSize = size; + ALBuf->OriginalAlign = 36 * OrigChans; } else alSetError(Context, AL_OUT_OF_MEMORY); @@ -448,6 +456,9 @@ AL_API ALvoid AL_APIENTRY alBufferData(ALuint buffer,ALenum format,const ALvoid ALBuf->eOriginalFormat = format; ALBuf->size = size*NewBytes; ALBuf->frequency = freq; + + ALBuf->OriginalSize = size; + ALBuf->OriginalAlign = 1 * Channels; } else alSetError(Context, AL_OUT_OF_MEMORY); @@ -458,6 +469,7 @@ AL_API ALvoid AL_APIENTRY alBufferData(ALuint buffer,ALenum format,const ALvoid ALenum NewFormat = AL_FORMAT_QUAD32; ALuint NewBytes = aluBytesFromFormat(NewFormat); ALuint NewChannels = aluChannelsFromFormat(NewFormat); + ALsizei newsize; if((size%(1*OrigChans)) != 0) { @@ -465,19 +477,22 @@ AL_API ALvoid AL_APIENTRY alBufferData(ALuint buffer,ALenum format,const ALvoid break; } - size *= 2; + newsize = size * 2; // Allocate extra padding samples - temp = realloc(ALBuf->data, (BUFFER_PADDING*NewChannels + size)*NewBytes); + temp = realloc(ALBuf->data, (BUFFER_PADDING*NewChannels + newsize)*NewBytes); if(temp) { ALBuf->data = temp; - ConvertDataMULawRear(ALBuf->data, data, size); + ConvertDataMULawRear(ALBuf->data, data, newsize); ALBuf->format = NewFormat; ALBuf->eOriginalFormat = format; - ALBuf->size = size*NewBytes; + ALBuf->size = newsize*NewBytes; ALBuf->frequency = freq; + + ALBuf->OriginalSize = size; + ALBuf->OriginalAlign = 1 * OrigChans; } else alSetError(Context, AL_OUT_OF_MEMORY); @@ -1074,6 +1089,7 @@ static ALenum LoadData(ALbuffer *ALBuf, const ALubyte *data, ALsizei size, ALuin ALuint NewChannels = aluChannelsFromFormat(NewFormat); ALuint OrigBytes = aluBytesFromFormat(OrigFormat); ALuint OrigChannels = aluChannelsFromFormat(OrigFormat); + ALsizei newsize; ALvoid *temp; assert(NewBytes == 4); @@ -1083,17 +1099,21 @@ static ALenum LoadData(ALbuffer *ALBuf, const ALubyte *data, ALsizei size, ALuin return AL_INVALID_VALUE; // Samples are converted here - size /= OrigBytes; - temp = realloc(ALBuf->data, (BUFFER_PADDING*NewChannels + size) * NewBytes); + newsize = size / OrigBytes; + temp = realloc(ALBuf->data, (BUFFER_PADDING*NewChannels + newsize) * NewBytes); if(!temp) return AL_OUT_OF_MEMORY; + ALBuf->data = temp; - ConvertData(ALBuf->data, data, OrigBytes, size); + ConvertData(ALBuf->data, data, OrigBytes, newsize); ALBuf->format = NewFormat; ALBuf->eOriginalFormat = OrigFormat; - ALBuf->size = size*NewBytes; + ALBuf->size = newsize*NewBytes; ALBuf->frequency = freq; + ALBuf->OriginalSize = size; + ALBuf->OriginalAlign = OrigBytes * OrigChannels; + return AL_NO_ERROR; } |