882 |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to resize samples with |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to resize samples with |
883 |
* other formats will fail! |
* other formats will fail! |
884 |
* |
* |
885 |
* @param iNewSize - new sample wave data size in sample points (must be |
* @param NewSize - new sample wave data size in sample points (must be |
886 |
* greater than zero) |
* greater than zero) |
887 |
* @throws Excecption if FormatTag != DLS_WAVE_FORMAT_PCM |
* @throws Exception if FormatTag != DLS_WAVE_FORMAT_PCM |
888 |
* @throws Exception if \a iNewSize is less than 1 |
* @throws Exception if \a NewSize is less than 1 or unrealistic large |
889 |
* @see File::Save(), FrameSize, FormatTag |
* @see File::Save(), FrameSize, FormatTag |
890 |
*/ |
*/ |
891 |
void Sample::Resize(int iNewSize) { |
void Sample::Resize(file_offset_t NewSize) { |
892 |
if (FormatTag != DLS_WAVE_FORMAT_PCM) throw Exception("Sample's format is not DLS_WAVE_FORMAT_PCM"); |
if (FormatTag != DLS_WAVE_FORMAT_PCM) throw Exception("Sample's format is not DLS_WAVE_FORMAT_PCM"); |
893 |
if (iNewSize < 1) throw Exception("Sample size must be at least one sample point"); |
if (NewSize < 1) throw Exception("Sample size must be at least one sample point"); |
894 |
const int iSizeInBytes = iNewSize * FrameSize; |
if ((NewSize >> 48) != 0) |
895 |
|
throw Exception("Unrealistic high DLS sample size detected"); |
896 |
|
const file_offset_t sizeInBytes = NewSize * FrameSize; |
897 |
pCkData = pWaveList->GetSubChunk(CHUNK_ID_DATA); |
pCkData = pWaveList->GetSubChunk(CHUNK_ID_DATA); |
898 |
if (pCkData) pCkData->Resize(iSizeInBytes); |
if (pCkData) pCkData->Resize(sizeInBytes); |
899 |
else pCkData = pWaveList->AddSubChunk(CHUNK_ID_DATA, iSizeInBytes); |
else pCkData = pWaveList->AddSubChunk(CHUNK_ID_DATA, sizeInBytes); |
900 |
} |
} |
901 |
|
|
902 |
/** |
/** |
996 |
Region::Region(Instrument* pInstrument, RIFF::List* rgnList) : Resource(pInstrument, rgnList), Articulator(rgnList), Sampler(rgnList) { |
Region::Region(Instrument* pInstrument, RIFF::List* rgnList) : Resource(pInstrument, rgnList), Articulator(rgnList), Sampler(rgnList) { |
997 |
pCkRegion = rgnList; |
pCkRegion = rgnList; |
998 |
|
|
999 |
// articulation informations |
// articulation information |
1000 |
RIFF::Chunk* rgnh = rgnList->GetSubChunk(CHUNK_ID_RGNH); |
RIFF::Chunk* rgnh = rgnList->GetSubChunk(CHUNK_ID_RGNH); |
1001 |
if (rgnh) { |
if (rgnh) { |
1002 |
rgnh->Read(&KeyRange, 2, 2); |
rgnh->Read(&KeyRange, 2, 2); |
1018 |
} |
} |
1019 |
SelfNonExclusive = FormatOptionFlags & F_RGN_OPTION_SELFNONEXCLUSIVE; |
SelfNonExclusive = FormatOptionFlags & F_RGN_OPTION_SELFNONEXCLUSIVE; |
1020 |
|
|
1021 |
// sample informations |
// sample information |
1022 |
RIFF::Chunk* wlnk = rgnList->GetSubChunk(CHUNK_ID_WLNK); |
RIFF::Chunk* wlnk = rgnList->GetSubChunk(CHUNK_ID_WLNK); |
1023 |
if (wlnk) { |
if (wlnk) { |
1024 |
WaveLinkOptionFlags = wlnk->ReadUint16(); |
WaveLinkOptionFlags = wlnk->ReadUint16(); |
1827 |
* have at the end of the saving process. |
* have at the end of the saving process. |
1828 |
* |
* |
1829 |
* @param pProgress - optional: callback function for progress notification |
* @param pProgress - optional: callback function for progress notification |
1830 |
* @throws RIFF::Exception if any kind of IO error occured |
* @throws RIFF::Exception if any kind of IO error occurred |
1831 |
* @throws DLS::Exception if any kind of DLS specific error occured |
* @throws DLS::Exception if any kind of DLS specific error occurred |
1832 |
*/ |
*/ |
1833 |
void File::Save(progress_t* pProgress) { |
void File::Save(progress_t* pProgress) { |
1834 |
{ |
{ |