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-rw-r--r--OpenAL32/alBuffer.c157
1 files changed, 76 insertions, 81 deletions
diff --git a/OpenAL32/alBuffer.c b/OpenAL32/alBuffer.c
index 1ceeeb9e..7ef030e0 100644
--- a/OpenAL32/alBuffer.c
+++ b/OpenAL32/alBuffer.c
@@ -32,7 +32,7 @@
#include "alThunk.h"
-static ALenum LoadData(ALbuffer *ALBuf, const ALubyte *data, ALsizei size, ALuint freq, ALenum OrigFormat, ALenum NewFormat);
+static ALenum LoadData(ALbuffer *ALBuf, const ALvoid *data, ALsizei size, ALuint freq, ALenum OrigFormat, ALenum NewFormat);
static void ConvertData(ALfloat *dst, const ALvoid *src, ALint origBytes, ALsizei len);
static void ConvertDataRear(ALfloat *dst, const ALvoid *src, ALint origBytes, ALsizei len);
static void ConvertDataIMA4(ALfloat *dst, const ALvoid *src, ALint origChans, ALsizei len);
@@ -286,7 +286,7 @@ AL_API ALvoid AL_APIENTRY alBufferData(ALuint buffer,ALenum format,const ALvoid
data = Context->SampleSource->data + offset;
}
- if ((ALBuf->refcount==0)&&(data))
+ if(ALBuf->refcount==0)
{
switch(format)
{
@@ -562,113 +562,97 @@ AL_API ALvoid AL_APIENTRY alBufferSubDataEXT(ALuint buffer,ALenum format,const A
data = Context->SampleSource->data + offset;
}
- if(ALBuf->data == NULL)
- {
- // buffer does not have any data
- alSetError(Context, AL_INVALID_NAME);
- }
- else if(length < 0 || offset < 0 || (length > 0 && data == NULL))
+ if(length < 0 || offset < 0 || (length > 0 && data == NULL))
{
// data is NULL or offset/length is negative
alSetError(Context, AL_INVALID_VALUE);
}
+ else if(ALBuf->eOriginalFormat != format)
+ alSetError(Context, AL_INVALID_ENUM);
+ else if(ALBuf->OriginalAlign == 0 ||
+ (offset%ALBuf->OriginalAlign) != 0 ||
+ (length%ALBuf->OriginalAlign) != 0 ||
+ offset+length > ALBuf->OriginalSize)
+ alSetError(Context, AL_INVALID_VALUE);
else
{
switch(format)
{
+ case AL_FORMAT_MONO8:
+ case AL_FORMAT_MONO16:
+ case AL_FORMAT_MONO_FLOAT32:
+ case AL_FORMAT_MONO_DOUBLE_EXT:
+ case AL_FORMAT_STEREO8:
+ case AL_FORMAT_STEREO16:
+ case AL_FORMAT_STEREO_FLOAT32:
+ case AL_FORMAT_STEREO_DOUBLE_EXT:
+ case AL_FORMAT_QUAD8_LOKI:
+ case AL_FORMAT_QUAD16_LOKI:
+ case AL_FORMAT_QUAD8:
+ case AL_FORMAT_QUAD16:
+ case AL_FORMAT_QUAD32:
+ case AL_FORMAT_51CHN8:
+ case AL_FORMAT_51CHN16:
+ case AL_FORMAT_51CHN32:
+ case AL_FORMAT_61CHN8:
+ case AL_FORMAT_61CHN16:
+ case AL_FORMAT_61CHN32:
+ case AL_FORMAT_71CHN8:
+ case AL_FORMAT_71CHN16:
+ case AL_FORMAT_71CHN32: {
+ ALuint Bytes = aluBytesFromFormat(format);
+
+ offset /= Bytes;
+ length /= Bytes;
+
+ ConvertData(&ALBuf->data[offset], data, Bytes, length);
+ } break;
+
case AL_FORMAT_REAR8:
case AL_FORMAT_REAR16:
case AL_FORMAT_REAR32: {
- ALuint OrigBytes = ((format==AL_FORMAT_REAR8) ? 1 :
- ((format==AL_FORMAT_REAR16) ? 2 :
- 4));
- ALuint NewBytes = aluBytesFromFormat(ALBuf->format);
-
- if(ALBuf->eOriginalFormat != AL_FORMAT_REAR8 &&
- ALBuf->eOriginalFormat != AL_FORMAT_REAR16 &&
- ALBuf->eOriginalFormat != AL_FORMAT_REAR32)
- {
- alSetError(Context, AL_INVALID_ENUM);
- break;
- }
+ ALuint Bytes = ((format==AL_FORMAT_REAR8) ? 1 :
+ ((format==AL_FORMAT_REAR16) ? 2 :
+ 4));
- if(ALBuf->size/4/NewBytes < (ALuint)offset+length)
- {
- alSetError(Context, AL_INVALID_VALUE);
- break;
- }
+ offset /= Bytes;
+ offset *= 2;
+ length /= Bytes;
+ length *= 2;
- ConvertDataRear(&ALBuf->data[offset*4], data, OrigBytes, length*2);
+ ConvertDataRear(&ALBuf->data[offset], data, Bytes, length);
} break;
case AL_FORMAT_MONO_IMA4:
case AL_FORMAT_STEREO_IMA4: {
int Channels = aluChannelsFromFormat(ALBuf->format);
- ALuint Bytes = aluBytesFromFormat(ALBuf->format);
- if(ALBuf->eOriginalFormat != format)
- {
- alSetError(Context, AL_INVALID_ENUM);
- break;
- }
-
- if((offset%65) != 0 || (length%65) != 0 ||
- ALBuf->size/Channels/Bytes < (ALuint)offset+length)
- {
- alSetError(Context, AL_INVALID_VALUE);
- break;
- }
+ // offset -> sample*channel offset, length -> block count
+ offset /= 36;
+ offset *= 65;
+ length /= 36;
- ConvertDataIMA4(&ALBuf->data[offset*Channels], data, Channels, length/65*Channels);
+ ConvertDataIMA4(&ALBuf->data[offset], data, Channels, length);
} break;
case AL_FORMAT_MONO_MULAW:
case AL_FORMAT_STEREO_MULAW:
case AL_FORMAT_QUAD_MULAW:
- case AL_FORMAT_REAR_MULAW:
case AL_FORMAT_51CHN_MULAW:
case AL_FORMAT_61CHN_MULAW:
- case AL_FORMAT_71CHN_MULAW: {
- int Channels = aluChannelsFromFormat(ALBuf->format);
- ALuint Bytes = aluBytesFromFormat(ALBuf->format);
-
- if(ALBuf->eOriginalFormat != format)
- {
- alSetError(Context, AL_INVALID_ENUM);
- break;
- }
-
- if(ALBuf->size/Channels/Bytes < (ALuint)offset+length)
- {
- alSetError(Context, AL_INVALID_VALUE);
- break;
- }
-
- if(ALBuf->eOriginalFormat == AL_FORMAT_REAR_MULAW)
- ConvertDataMULawRear(&ALBuf->data[offset*Channels], data, length*2);
- else
- ConvertDataMULaw(&ALBuf->data[offset*Channels], data, length*Channels);
- } break;
-
- default: {
- ALuint Channels = aluChannelsFromFormat(format);
- ALuint Bytes = aluBytesFromFormat(format);
- ALuint NewBytes = aluBytesFromFormat(ALBuf->format);
-
- if(Channels != aluChannelsFromFormat(ALBuf->format))
- {
- alSetError(Context, AL_INVALID_ENUM);
- break;
- }
+ case AL_FORMAT_71CHN_MULAW:
+ ConvertDataMULaw(&ALBuf->data[offset], data, length);
+ break;
- if(ALBuf->size/Channels/NewBytes < (ALuint)offset+length)
- {
- alSetError(Context, AL_INVALID_VALUE);
- break;
- }
+ case AL_FORMAT_REAR_MULAW:
+ offset *= 2;
+ length *= 2;
+ ConvertDataMULawRear(&ALBuf->data[offset], data, length);
+ break;
- ConvertData(&ALBuf->data[offset*Channels], data, Bytes, length*Channels);
- } break;
+ default:
+ alSetError(Context, AL_INVALID_ENUM);
+ break;
}
}
}
@@ -1119,7 +1103,7 @@ AL_API void AL_APIENTRY alGetBufferiv(ALuint buffer, ALenum eParam, ALint* plVal
* channel configuration as the original format. This does NOT handle
* compressed formats (eg. IMA4).
*/
-static ALenum LoadData(ALbuffer *ALBuf, const ALubyte *data, ALsizei size, ALuint freq, ALenum OrigFormat, ALenum NewFormat)
+static ALenum LoadData(ALbuffer *ALBuf, const ALvoid *data, ALsizei size, ALuint freq, ALenum OrigFormat, ALenum NewFormat)
{
ALuint NewBytes = aluBytesFromFormat(NewFormat);
ALuint NewChannels = aluChannelsFromFormat(NewFormat);
@@ -1160,6 +1144,8 @@ static void ConvertData(ALfloat *dst, const ALvoid *src, ALint origBytes, ALsize
{
ALsizei i;
ALint smp;
+ if(src == NULL)
+ return;
switch(origBytes)
{
case 1:
@@ -1197,6 +1183,8 @@ static void ConvertDataRear(ALfloat *dst, const ALvoid *src, ALint origBytes, AL
{
ALsizei i;
ALint smp;
+ if(src == NULL)
+ return;
switch(origBytes)
{
case 1:
@@ -1245,6 +1233,9 @@ static void ConvertDataIMA4(ALfloat *dst, const ALvoid *src, ALint origChans, AL
ALuint IMACode[2];
ALsizei i,j,k,c;
+ if(src == NULL)
+ return;
+
IMAData = src;
for(i = 0;i < len/origChans;i++)
{
@@ -1291,6 +1282,8 @@ static void ConvertDataMULaw(ALfloat *dst, const ALvoid *src, ALsizei len)
{
ALsizei i;
ALint smp;
+ if(src == NULL)
+ return;
for(i = 0;i < len;i++)
{
smp = muLawDecompressionTable[((ALubyte*)src)[i]];
@@ -1302,6 +1295,8 @@ static void ConvertDataMULawRear(ALfloat *dst, const ALvoid *src, ALsizei len)
{
ALsizei i;
ALint smp;
+ if(src == NULL)
+ return;
for(i = 0;i < len;i+=4)
{
dst[i+0] = 0;