diff options
Diffstat (limited to 'OpenAL32/alBuffer.c')
| -rw-r--r-- | OpenAL32/alBuffer.c | 49 |
1 files changed, 13 insertions, 36 deletions
diff --git a/OpenAL32/alBuffer.c b/OpenAL32/alBuffer.c index 7e8bf606..9e4249ec 100644 --- a/OpenAL32/alBuffer.c +++ b/OpenAL32/alBuffer.c @@ -305,55 +305,30 @@ AL_API ALvoid AL_APIENTRY alBufferSubDataSOFT(ALuint buffer, ALenum format, cons SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done); if(DecomposeUserFormat(format, &srcchannels, &srctype) == AL_FALSE) SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done); - WriteLock(&albuf->lock); align = SanitizeAlignment(srctype, ATOMIC_LOAD_SEQ(&albuf->UnpackAlign)); - if(align < 1) - { - WriteUnlock(&albuf->lock); - SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done); - } + if(align < 1) SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, unlock_done); + if((long)srcchannels != (long)albuf->FmtChannels || srctype != albuf->OriginalType) - { - WriteUnlock(&albuf->lock); - SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done); - } + SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, unlock_done); if(align != albuf->OriginalAlign) - { - WriteUnlock(&albuf->lock); - SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done); - } + SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, unlock_done); if(albuf->MappedAccess != 0) - { - WriteUnlock(&albuf->lock); - SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done); - } + SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, unlock_done); + num_chans = ChannelsFromFmt(albuf->FmtChannels); + frame_size = num_chans * BytesFromFmt(albuf->FmtType); if(albuf->OriginalType == UserFmtIMA4) - { - byte_align = (albuf->OriginalAlign-1)/2 + 4; - byte_align *= ChannelsFromFmt(albuf->FmtChannels); - } + byte_align = ((align-1)/2 + 4) * num_chans; else if(albuf->OriginalType == UserFmtMSADPCM) - { - byte_align = (albuf->OriginalAlign-2)/2 + 7; - byte_align *= ChannelsFromFmt(albuf->FmtChannels); - } + byte_align = ((align-2)/2 + 7) * num_chans; else - { - byte_align = albuf->OriginalAlign; - byte_align *= FrameSizeFromFmt(albuf->FmtChannels, albuf->FmtType); - } + byte_align = align * frame_size; if(offset > albuf->OriginalSize || length > albuf->OriginalSize-offset || (offset%byte_align) != 0 || (length%byte_align) != 0) - { - WriteUnlock(&albuf->lock); - SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done); - } + SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, unlock_done); - num_chans = ChannelsFromFmt(albuf->FmtChannels); - frame_size = num_chans * BytesFromFmt(albuf->FmtType); /* offset -> byte offset, length -> sample count */ offset = offset/byte_align * frame_size; length = length/byte_align * albuf->OriginalAlign; @@ -368,6 +343,8 @@ AL_API ALvoid AL_APIENTRY alBufferSubDataSOFT(ALuint buffer, ALenum format, cons assert((long)srctype == (long)albuf->FmtType); memcpy(dst, data, length*frame_size); } + +unlock_done: WriteUnlock(&albuf->lock); done: |