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author | Travis Howell | 2009-08-16 01:03:09 +0000 |
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committer | Travis Howell | 2009-08-16 01:03:09 +0000 |
commit | ac45cf6f6f0cf6e41b608561316bcbda115fb6b1 (patch) | |
tree | 01d5f13eec4f6a91859093de4fac88ef7991f756 /sound/audiostream.cpp | |
parent | 09845556e0383fb187f548c7cfc1a68b22329f7e (diff) | |
parent | b6a0f3e3716614ee270df048414c7f938299c476 (diff) | |
download | scummvm-rg350-ac45cf6f6f0cf6e41b608561316bcbda115fb6b1.tar.gz scummvm-rg350-ac45cf6f6f0cf6e41b608561316bcbda115fb6b1.tar.bz2 scummvm-rg350-ac45cf6f6f0cf6e41b608561316bcbda115fb6b1.zip |
Merged revisions 43338-43340,43342,43344-43347,43349-43350,43352-43354,43357-43358,43362,43366,43369,43375,43377,43380,43383-43384,43386,43388,43390,43393,43400,43402,43404,43406-43409,43411,43413-43414 via svnmerge from
https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/trunk
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r43338 | lordhoto | 2009-08-13 10:19:26 +1000 (Thu, 13 Aug 2009) | 1 line
Little optimization in Screen::setPaletteIndex, now it only resets the palette, when the color index really changed.
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r43339 | lordhoto | 2009-08-13 10:20:37 +1000 (Thu, 13 Aug 2009) | 1 line
Fix key input in credits sequences.
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r43340 | lordhoto | 2009-08-13 10:21:42 +1000 (Thu, 13 Aug 2009) | 1 line
Fix serious bug in StaticResource::unloadId.
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r43342 | lordhoto | 2009-08-13 10:26:41 +1000 (Thu, 13 Aug 2009) | 1 line
Do not unload credits data after copying it to a temporary buffer in Kyrandia 1 Amiga, since the credits will be looped and need reload every time.
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r43344 | strangerke | 2009-08-13 19:56:54 +1000 (Thu, 13 Aug 2009) | 1 line
Initial save handler for Playtoons
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r43345 | strangerke | 2009-08-13 19:59:44 +1000 (Thu, 13 Aug 2009) | 2 lines
- Add a specific OPCODEFUNC checkData to avoid having a Playtoons workaround in working code
- Replace OPCODEDRAW 0x20,0x23 and 0x25
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r43346 | strangerke | 2009-08-13 20:00:35 +1000 (Thu, 13 Aug 2009) | 1 line
Suppress no longer needed Playtoons workaround
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r43347 | strangerke | 2009-08-13 20:08:07 +1000 (Thu, 13 Aug 2009) | 1 line
fix methods
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r43349 | lordhoto | 2009-08-14 01:55:12 +1000 (Fri, 14 Aug 2009) | 1 line
Implemented support for the "Lore of the Lands" special of Lands of Lore CD.
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r43350 | lordhoto | 2009-08-14 02:41:07 +1000 (Fri, 14 Aug 2009) | 1 line
Move version string in Modern theme beneath the Logo in high res mode, this saves some space and looks nicer.
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r43352 | lordhoto | 2009-08-14 02:50:30 +1000 (Fri, 14 Aug 2009) | 1 line
Little fix of new modern theme layout in the launcher for 3x.
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r43353 | lordhoto | 2009-08-14 03:00:19 +1000 (Fri, 14 Aug 2009) | 1 line
Cleanup.
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r43354 | lordhoto | 2009-08-14 03:00:40 +1000 (Fri, 14 Aug 2009) | 1 line
Cleanup.
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r43357 | agent-q | 2009-08-14 07:46:41 +1000 (Fri, 14 Aug 2009) | 1 line
Allow VOCs to stream from disk. Disabled by default, use symbol STREAM_AUDIO_FROM_DISK to enable. See patch #2834001.
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r43358 | Kirben | 2009-08-14 10:44:36 +1000 (Fri, 14 Aug 2009) | 1 line
The Nintendo DS hack for introduction in Simon the Sorcerer 1 is only required for Windows version (WAV format) now.
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r43362 | anotherguest | 2009-08-14 16:42:57 +1000 (Fri, 14 Aug 2009) | 1 line
Updated files from 1.0.0 branch
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r43366 | drmccoy | 2009-08-15 01:22:43 +1000 (Sat, 15 Aug 2009) | 2 lines
Setting gob3 save/load mode of the temporary sprite "intro.$$$" to ignore and remove the TempSpriteHandler.
Gob3 doesn't use it at all and Lost in Time only saves (with an invalid index) and never loads
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r43369 | joostp | 2009-08-15 02:13:00 +1000 (Sat, 15 Aug 2009) | 2 lines
PSP: create an EBOOT.PBP when building via configure
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r43375 | joostp | 2009-08-15 02:44:29 +1000 (Sat, 15 Aug 2009) | 2 lines
Fix incorrect memset() call (reported by Peter Bortas).
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r43377 | joostp | 2009-08-15 02:54:43 +1000 (Sat, 15 Aug 2009) | 2 lines
add psp_clean build rule to clean up EBOOT.PBP and scummvm_stripped.elf
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r43380 | joostp | 2009-08-15 03:18:03 +1000 (Sat, 15 Aug 2009) | 3 lines
MIPSpro compilation fixes / workarounds (from a patch by Rainer Canavan)
The hashmap.h change is ugly, but so far the only thing found to work. Suggestions for a better "fix" appreciated!
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r43383 | lordhoto | 2009-08-15 03:49:30 +1000 (Sat, 15 Aug 2009) | 1 line
Little fix for lopping credits in Kyrandia 1 Amiga.
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r43384 | joostp | 2009-08-15 04:02:17 +1000 (Sat, 15 Aug 2009) | 2 lines
PSP: also create param.sfo when building via configure
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r43386 | joostp | 2009-08-15 04:34:01 +1000 (Sat, 15 Aug 2009) | 2 lines
PSP: add svn revision + build date to SFO title.
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r43388 | joostp | 2009-08-15 09:20:46 +1000 (Sat, 15 Aug 2009) | 2 lines
remove double semi-colon -- hopefully this kicks the buildbot back into action =)
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r43390 | waltervn | 2009-08-15 10:28:59 +1000 (Sat, 15 Aug 2009) | 2 lines
SCI: Added enum for map and volume versions. Removed res_version setting from
detection.cpp (should be detectable). Cleanup.
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r43393 | dhewg | 2009-08-15 15:39:44 +1000 (Sat, 15 Aug 2009) | 1 line
Fix compilation.
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r43400 | Kirben | 2009-08-15 20:09:32 +1000 (Sat, 15 Aug 2009) | 1 line
Fix regression, that caused multiple sounds in Simon the Sorcerer 2 to be cut off.
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r43402 | Kirben | 2009-08-15 20:31:20 +1000 (Sat, 15 Aug 2009) | 1 line
Restore code to clear screen, before playing videos with smaller resolution in the Amiga version of The Feeble Files.
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r43404 | joostp | 2009-08-15 20:44:58 +1000 (Sat, 15 Aug 2009) | 2 lines
Properly implement PSPFilesystemFactory::makeCurrentDirectoryFileNode()
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r43406 | dreammaster | 2009-08-15 21:50:59 +1000 (Sat, 15 Aug 2009) | 1 line
Added Dirty Rect handling functionality
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r43407 | waltervn | 2009-08-15 22:09:47 +1000 (Sat, 15 Aug 2009) | 1 line
SCI: Rename sci_version_t to SciVersion
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r43408 | waltervn | 2009-08-15 22:17:23 +1000 (Sat, 15 Aug 2009) | 1 line
SCI: Add missing versions to exe version parsing
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r43409 | eriktorbjorn | 2009-08-16 00:13:48 +1000 (Sun, 16 Aug 2009) | 2 lines
Removed unnecessary semi-colons.
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r43411 | lordhoto | 2009-08-16 00:59:11 +1000 (Sun, 16 Aug 2009) | 1 line
Added const qualifiers to static data.
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r43413 | lordhoto | 2009-08-16 01:30:35 +1000 (Sun, 16 Aug 2009) | 1 line
Yet another slight graphic fix for the Kyrandia 1 Amiga credits.
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r43414 | buddha_ | 2009-08-16 05:04:21 +1000 (Sun, 16 Aug 2009) | 4 lines
Fix for bug #2835581 (KQ3: Game Crash When Leaving Tavern as Fly):
- Use AGI version 0x3149 instead of the previous 0x3086
- Makes ESC pause the game (Identical to original in this respect)
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svn-id: r43418
Diffstat (limited to 'sound/audiostream.cpp')
-rw-r--r-- | sound/audiostream.cpp | 196 |
1 files changed, 195 insertions, 1 deletions
diff --git a/sound/audiostream.cpp b/sound/audiostream.cpp index 61a2e778ab..8ea72851e2 100644 --- a/sound/audiostream.cpp +++ b/sound/audiostream.cpp @@ -173,6 +173,162 @@ int LinearMemoryStream<stereo, is16Bit, isUnsigned, isLE>::readBuffer(int16 *buf } + +#pragma mark - +#pragma mark --- LinearDiskStream --- +#pragma mark - + + + +/** + * LinearDiskStream. This can stream linear (PCM) audio from disk. The + * function takes an pointer to an array of LinearDiskStreamAudioBlock which defines the + * start position and length of each block of uncompressed audio in the stream. + */ +template<bool stereo, bool is16Bit, bool isUnsigned, bool isLE> +class LinearDiskStream : public AudioStream { + +// Allow backends to override buffer size +#ifdef CUSTOM_AUDIO_BUFFER_SIZE + static const int32 BUFFER_SIZE = CUSTOM_AUDIO_BUFFER_SIZE; +#else + static const int32 BUFFER_SIZE = 16384; +#endif + +protected: + byte* _buffer; ///< Streaming buffer + const byte *_ptr; ///< Pointer to current position in stream buffer + const int _rate; ///< Sample rate of stream + + int32 _playtime; ///< Calculated total play time + Common::SeekableReadStream *_stream; ///< Stream to read data from + int32 _filePos; ///< Current position in stream + int32 _diskLeft; ///< Samples left in stream in current block not yet read to buffer + int32 _bufferLeft; ///< Samples left in buffer in current block + bool _disposeAfterUse; ///< If true, delete stream object when LinearDiskStream is destructed + + LinearDiskStreamAudioBlock *_audioBlock; ///< Audio block list + int _audioBlockCount; ///< Number of blocks in _audioBlock + int _currentBlock; ///< Current audio block number + + int _beginLoop; ///< Loop parameter, currently not implemented + int _endLoop; ///< Loop parameter, currently not implemented + + +public: + LinearDiskStream(int rate, uint beginLoop, uint endLoop, bool disposeStream, Common::SeekableReadStream *stream, LinearDiskStreamAudioBlock *block, uint numBlocks) + : _rate(rate), _stream(stream), _beginLoop(beginLoop), _endLoop(endLoop), _disposeAfterUse(disposeStream), + _audioBlockCount(numBlocks) { + + // Allocate streaming buffer + if (is16Bit) { + _buffer = (byte *)malloc(BUFFER_SIZE * sizeof(int16)); + } else { + _buffer = (byte *)malloc(BUFFER_SIZE * sizeof(byte)); + } + + _ptr = _buffer; + _bufferLeft = 0; + + // Copy audio block data to our buffer + // TODO: Replace this with a Common::Array or Common::List to + // make it a little friendlier. + _audioBlock = new LinearDiskStreamAudioBlock[numBlocks]; + memcpy(_audioBlock, block, numBlocks * sizeof(LinearDiskStreamAudioBlock)); + + // Set current buffer state, playing first block + _currentBlock = 0; + _filePos = _audioBlock[_currentBlock].pos; + _diskLeft = _audioBlock[_currentBlock].len; + + // Add up length of all blocks in order to caluclate total play time + int len = 0; + for (int r = 0; r < _audioBlockCount; r++) { + len += _audioBlock[r].len; + } + _playtime = calculatePlayTime(rate, len / (is16Bit ? 2 : 1) / (stereo ? 2 : 1)); + } + + + virtual ~LinearDiskStream() { + if (_disposeAfterUse) { + delete _stream; + } + + delete[] _audioBlock; + free(_buffer); + } + int readBuffer(int16 *buffer, const int numSamples); + + bool isStereo() const { return stereo; } + bool endOfData() const { return (_currentBlock == _audioBlockCount - 1) && (_diskLeft == 0) && (_bufferLeft == 0); } + + int getRate() const { return _rate; } + int32 getTotalPlayTime() const { return _playtime; } +}; + +template<bool stereo, bool is16Bit, bool isUnsigned, bool isLE> +int LinearDiskStream<stereo, is16Bit, isUnsigned, isLE>::readBuffer(int16 *buffer, const int numSamples) { + int oldPos = _stream->pos(); + bool restoreFilePosition = false; + + int samples = numSamples; + + while (samples > 0 && ((_diskLeft > 0 || _bufferLeft > 0) || (_currentBlock != _audioBlockCount - 1)) ) { + + // Output samples in the buffer to the output + int len = MIN(samples, _bufferLeft); + samples -= len; + _bufferLeft -= len; + + while (len > 0) { + *buffer++ = READ_ENDIAN_SAMPLE(is16Bit, isUnsigned, _ptr, isLE); + _ptr += (is16Bit ? 2 : 1); + len--; + } + + // Have we now finished this block? If so, read the next block + if ((_bufferLeft == 0) && (_diskLeft == 0) && (_currentBlock != _audioBlockCount - 1)) { + // Next block + _currentBlock++; + + _filePos = _audioBlock[_currentBlock].pos; + _diskLeft = _audioBlock[_currentBlock].len; + } + + + // Now read more data from disk if there is more to be read + if ((_bufferLeft == 0) && (_diskLeft > 0)) { + int32 readAmount = MIN(_diskLeft, BUFFER_SIZE); + + _stream->seek(_filePos, SEEK_SET); + _stream->read(_buffer, readAmount * (is16Bit? 2: 1)); + + // Amount of data in buffer is now the amount read in, and + // the amount left to read on disk is decreased by the same amount + _bufferLeft = readAmount; + _diskLeft -= readAmount; + _ptr = (byte *)_buffer; + _filePos += readAmount * (is16Bit? 2: 1); + + // Set this flag now we've used the file, it restores it's + // original position. + restoreFilePosition = true; + } + } + + // In case calling code relies on the position of this stream staying + // constant, I restore the location if I've changed it. This is probably + // not necessary. + if (restoreFilePosition) { + _stream->seek(oldPos, SEEK_SET); + } + + return numSamples-samples; +} + + + #pragma mark - #pragma mark --- Input stream factory --- #pragma mark - @@ -202,6 +358,7 @@ AudioStream *makeLinearInputStream(const byte *ptr, uint32 len, int rate, byte f const bool isLE = (flags & Audio::Mixer::FLAG_LITTLE_ENDIAN) != 0; const bool autoFree = (flags & Audio::Mixer::FLAG_AUTOFREE) != 0; + uint loopOffset = 0, loopLen = 0; if (flags & Audio::Mixer::FLAG_LOOP) { if (loopEnd == 0) @@ -236,6 +393,44 @@ AudioStream *makeLinearInputStream(const byte *ptr, uint32 len, int rate, byte f } + + + +#define MAKE_LINEAR_DISK(STEREO, UNSIGNED) \ + if (is16Bit) { \ + if (isLE) \ + return new LinearDiskStream<STEREO, true, UNSIGNED, true>(rate, loopStart, loopEnd, takeOwnership, &stream, block, numBlocks); \ + else \ + return new LinearDiskStream<STEREO, true, UNSIGNED, false>(rate, loopStart, loopEnd, takeOwnership, &stream, block, numBlocks); \ + } else \ + return new LinearDiskStream<STEREO, false, UNSIGNED, false>(rate, loopStart, loopEnd, takeOwnership, &stream, block, numBlocks) + + +AudioStream *makeLinearDiskStream(Common::SeekableReadStream& stream, LinearDiskStreamAudioBlock* block, int numBlocks, int rate, byte flags, bool takeOwnership, uint loopStart, uint loopEnd) { + const bool isStereo = (flags & Audio::Mixer::FLAG_STEREO) != 0; + const bool is16Bit = (flags & Audio::Mixer::FLAG_16BITS) != 0; + const bool isUnsigned = (flags & Audio::Mixer::FLAG_UNSIGNED) != 0; + const bool isLE = (flags & Audio::Mixer::FLAG_LITTLE_ENDIAN) != 0; + + + if (isStereo) { + if (isUnsigned) { + MAKE_LINEAR_DISK(true, true); + } else { + MAKE_LINEAR_DISK(true, false); + } + } else { + if (isUnsigned) { + MAKE_LINEAR_DISK(false, true); + } else { + MAKE_LINEAR_DISK(false, false); + } + } +} + + + + #pragma mark - #pragma mark --- Appendable audio stream --- #pragma mark - @@ -306,7 +501,6 @@ BaseAppendableMemoryStream::~BaseAppendableMemoryStream() { template<bool stereo, bool is16Bit, bool isUnsigned, bool isLE> int AppendableMemoryStream<stereo, is16Bit, isUnsigned, isLE>::readBuffer(int16 *buffer, const int numSamples) { Common::StackLock lock(_mutex); - int samples = numSamples; while (samples > 0 && !eosIntern()) { Buffer buf = *_bufferQueue.begin(); |