diff options
Diffstat (limited to 'graphics')
| -rw-r--r-- | graphics/smk_player.cpp | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/graphics/smk_player.cpp b/graphics/smk_player.cpp index 415285bd12..c066d945db 100644 --- a/graphics/smk_player.cpp +++ b/graphics/smk_player.cpp @@ -419,7 +419,7 @@ bool SMKPlayer::loadFile(const char *fileName) { _header.audioInfo[i].sampleRate = audioInfo & 0xFFFFFF; if (_header.audioInfo[i].hasAudio && i == 0) { - byte flags = Audio::Mixer::FLAG_UNSIGNED; + byte flags = Audio::Mixer::FLAG_UNSIGNED | Audio::Mixer::FLAG_LITTLE_ENDIAN; if (_header.audioInfo[i].is16Bits) flags = flags | Audio::Mixer::FLAG_16BITS; @@ -469,10 +469,13 @@ void SMKPlayer::closeFile() { _audioStarted = false; } + // FIXME + /* if (_audioStream) { delete _audioStream; _audioStream = 0; } + */ delete _fileStream; @@ -728,6 +731,10 @@ void SMKPlayer::queueCompressedBuffer(byte *buffer, int bufferSize, int unpacked SmallHuffmanTree *audioTrees[4]; int16 bases[2]; int k; + byte *unpackedBuffer = new byte[unpackedSize]; + int curPos = 0; + byte *curPointer = unpackedBuffer; + uint16 lo, hi, cur; if (!dataPresent) return; @@ -750,7 +757,38 @@ void SMKPlayer::queueCompressedBuffer(byte *buffer, int bufferSize, int unpacked if (isStereo) bases[1] = (!is16Bits) ? audioBS.getBits8() : (audioBS.getBits8() << 8) || audioBS.getBits8(); - // TODO: Finish the rest of this + while (curPos < unpackedSize) { + // If the sample is stereo, we get first the data for the left and then for the right channel + if (!is16Bits) { + for (k = 0; k < (isStereo ? 2 : 1); k++) { + *curPointer++ = (byte)(bases[k] + audioTrees[k]->getCode(audioBS)); + curPos++; + } + } else { + if (isStereo) { + // Left channel + lo = (bases[1] & 0xFF) + audioTrees[3]->getCode(audioBS); + hi = (bases[1] & 0xFF00) + (audioTrees[2]->getCode(audioBS) << 8); + cur = hi + lo; // adding takes care of possible overflows + *curPointer++ = cur & 0xFF; // low + curPos++; + *curPointer++ = cur & 0xFF00; // high + curPos++; + } + + // Right channel + lo = (bases[0] & 0xFF) + audioTrees[1]->getCode(audioBS); + hi = (bases[0] & 0xFF00) + (audioTrees[0]->getCode(audioBS) << 8); + cur = hi + lo; // adding takes care of possible overflows + *curPointer++ = cur & 0xFF; // low + curPos++; + *curPointer++ = cur & 0xFF00; // high + curPos++; + } + } + + _audioStream->queueBuffer(unpackedBuffer, unpackedSize); + // unpackedBuffer will be deleted by AppendableAudioStream } void SMKPlayer::unpackPalette() { |