Moved audio stream implementations (for MP3, FLAC, etc.) to new dir sound/decoders/

svn-id: r47579

1 files changed, 0 insertions, 195 deletions

diff --git a/sound/wave.cpp b/sound/wave.cpp
deleted file mode 100644
index 45974cf69c..0000000000
--- a/sound/wave.cpp
+++ /dev/null
@@ -1,195 +0,0 @@
-/* ScummVM - Graphic Adventure Engine
- *
- * ScummVM is the legal property of its developers, whose names
- * are too numerous to list here. Please refer to the COPYRIGHT
- * file distributed with this source distribution.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
-
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * $URL$
- * $Id$
- *
- */
-
-#include "common/debug.h"
-#include "common/util.h"
-#include "common/stream.h"
-
-#include "sound/audiostream.h"
-#include "sound/mixer.h"
-#include "sound/wave.h"
-#include "sound/adpcm.h"
-#include "sound/raw.h"
-
-namespace Audio {
-
-bool loadWAVFromStream(Common::SeekableReadStream &stream, int &size, int &rate, byte &flags, uint16 *wavType, int *blockAlign_) {
-	const int32 initialPos = stream.pos();
-	byte buf[4+1];
-
-	buf[4] = 0;
-
-	stream.read(buf, 4);
-	if (memcmp(buf, "RIFF", 4) != 0) {
-		warning("getWavInfo: No 'RIFF' header");
-		return false;
-	}
-
-	int32 wavLength = stream.readUint32LE();
-
-	stream.read(buf, 4);
-	if (memcmp(buf, "WAVE", 4) != 0) {
-		warning("getWavInfo: No 'WAVE' header");
-		return false;
-	}
-
-	stream.read(buf, 4);
-	if (memcmp(buf, "fmt ", 4) != 0) {
-		warning("getWavInfo: No 'fmt' header");
-		return false;
-	}
-
-	uint32 fmtLength = stream.readUint32LE();
-	if (fmtLength < 16) {
-		// A valid fmt chunk always contains at least 16 bytes
-		warning("getWavInfo: 'fmt' header is too short");
-		return false;
-	}
-
-	// Next comes the "type" field of the fmt header. Some typical
-	// values for it:
-	// 1  -> uncompressed PCM
-	// 17 -> IMA ADPCM compressed WAVE
-	// See <http://www.saettler.com/RIFFNEW/RIFFNEW.htm> for a more complete
-	// list of common WAVE compression formats...
-	uint16 type = stream.readUint16LE();	// == 1 for PCM data
-	uint16 numChannels = stream.readUint16LE();	// 1 for mono, 2 for stereo
-	uint32 samplesPerSec = stream.readUint32LE();	// in Hz
-	uint32 avgBytesPerSec = stream.readUint32LE();	// == SampleRate * NumChannels * BitsPerSample/8
-
-	uint16 blockAlign = stream.readUint16LE();	// == NumChannels * BitsPerSample/8
-	uint16 bitsPerSample = stream.readUint16LE();	// 8, 16 ...
-	// 8 bit data is unsigned, 16 bit data signed
-
-
-	if (wavType != 0)
-		*wavType = type;
-
-	if (blockAlign_ != 0)
-		*blockAlign_ = blockAlign;
-#if 0
-	printf("WAVE information:\n");
-	printf("  total size: %d\n", wavLength);
-	printf("  fmt size: %d\n", fmtLength);
-	printf("  type: %d\n", type);
-	printf("  numChannels: %d\n", numChannels);
-	printf("  samplesPerSec: %d\n", samplesPerSec);
-	printf("  avgBytesPerSec: %d\n", avgBytesPerSec);
-	printf("  blockAlign: %d\n", blockAlign);
-	printf("  bitsPerSample: %d\n", bitsPerSample);
-#endif
-
-	if (type != 1 && type != 2 && type != 17) {
-		warning("getWavInfo: only PCM, MS ADPCM or IMA ADPCM data is supported (type %d)", type);
-		return false;
-	}
-
-	if (blockAlign != numChannels * bitsPerSample / 8 && type != 2) {
-		debug(0, "getWavInfo: blockAlign is invalid");
-	}
-
-	if (avgBytesPerSec != samplesPerSec * blockAlign && type != 2) {
-		debug(0, "getWavInfo: avgBytesPerSec is invalid");
-	}
-
-	// Prepare the return values.
-	rate = samplesPerSec;
-
-	flags = 0;
-	if (bitsPerSample == 8)		// 8 bit data is unsigned
-		flags |= Audio::FLAG_UNSIGNED;
-	else if (bitsPerSample == 16)	// 16 bit data is signed little endian
-		flags |= (Audio::FLAG_16BITS | Audio::FLAG_LITTLE_ENDIAN);
-	else if (bitsPerSample == 4 && (type == 2 || type == 17))
-		flags |= Audio::FLAG_16BITS;
-	else {
-		warning("getWavInfo: unsupported bitsPerSample %d", bitsPerSample);
-		return false;
-	}
-
-	if (numChannels == 2)
-		flags |= Audio::FLAG_STEREO;
-	else if (numChannels != 1) {
-		warning("getWavInfo: unsupported number of channels %d", numChannels);
-		return false;
-	}
-
-	// It's almost certainly a WAV file, but we still need to find its
-	// 'data' chunk.
-
-	// Skip over the rest of the fmt chunk.
-	int offset = fmtLength - 16;
-
-	do {
-		stream.seek(offset, SEEK_CUR);
-		if (stream.pos() >= initialPos + wavLength + 8) {
-			warning("getWavInfo: Can't find 'data' chunk");
-			return false;
-		}
-		stream.read(buf, 4);
-		offset = stream.readUint32LE();
-
-#if 0
-		printf("  found a '%s' tag of size %d\n", buf, offset);
-#endif
-	} while (memcmp(buf, "data", 4) != 0);
-
-	// Stream now points at 'offset' bytes of sample data...
-	size = offset;
-
-	return true;
-}
-
-RewindableAudioStream *makeWAVStream(Common::SeekableReadStream *stream, DisposeAfterUse::Flag disposeAfterUse) {
-	int size, rate;
-	byte flags;
-	uint16 type;
-	int blockAlign;
-
-	if (!loadWAVFromStream(*stream, size, rate, flags, &type, &blockAlign)) {
-		if (disposeAfterUse == DisposeAfterUse::YES)
-			delete stream;
-		return 0;
-	}
-
-	if (type == 17) // MS IMA ADPCM
-		return makeADPCMStream(stream, disposeAfterUse, size, Audio::kADPCMMSIma, rate, (flags & Audio::FLAG_STEREO) ? 2 : 1, blockAlign);
-	else if (type == 2) // MS ADPCM
-		return makeADPCMStream(stream, disposeAfterUse, size, Audio::kADPCMMS, rate, (flags & Audio::FLAG_STEREO) ? 2 : 1, blockAlign);
-
-	// Raw PCM. Just read everything at once.
-	// TODO: More elegant would be to wrap the stream.
-	byte *data = (byte *)malloc(size);
-	assert(data);
-	stream->read(data, size);
-
-	if (disposeAfterUse == DisposeAfterUse::YES)
-		delete stream;
-
-	// Since we allocated our own buffer for the data, we must specify DisposeAfterUse::YES.
-	return makeRawMemoryStream(data, size, rate, flags);
-}
-
-} // End of namespace Audio