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95 lines
2.9 KiB
C++
95 lines
2.9 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef AUDIO_RAW_H
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#define AUDIO_RAW_H
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#include "common/scummsys.h"
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#include "common/types.h"
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#include "common/list.h"
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namespace Common {
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class SeekableReadStream;
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}
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namespace Audio {
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class SeekableAudioStream;
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/**
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* Various flags which can be bit-ORed and then passed to
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* makeRawStream and some other AudioStream factories
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* to control their behavior.
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*
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* Engine authors are advised not to rely on a certain value or
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* order of these flags (in particular, do not store them verbatim
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* in savestates).
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*/
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enum RawFlags {
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/** unsigned samples (default: signed) */
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FLAG_UNSIGNED = 1 << 0,
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/** sound is 16 bits wide (default: 8bit) */
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FLAG_16BITS = 1 << 1,
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/** samples are little endian (default: big endian) */
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FLAG_LITTLE_ENDIAN = 1 << 2,
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/** sound is in stereo (default: mono) */
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FLAG_STEREO = 1 << 3
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};
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/**
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* Creates an audio stream, which plays from the given buffer.
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*
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* @param buffer Buffer to play from.
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* @param size Size of the buffer in bytes.
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* @param rate Rate of the sound data.
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* @param flags Audio flags combination.
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* @see RawFlags
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* @param disposeAfterUse Whether to free the buffer after use (with free!).
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* @return The new SeekableAudioStream (or 0 on failure).
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*/
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SeekableAudioStream *makeRawStream(const byte *buffer, uint32 size,
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int rate, byte flags,
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DisposeAfterUse::Flag disposeAfterUse = DisposeAfterUse::YES);
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/**
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* Creates an audio stream, which plays from the given stream.
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*
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* @param stream Stream object to play from.
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* @param rate Rate of the sound data.
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* @param flags Audio flags combination.
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* @see RawFlags
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* @param disposeAfterUse Whether to delete the stream after use.
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* @return The new SeekableAudioStream (or 0 on failure).
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*/
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SeekableAudioStream *makeRawStream(Common::SeekableReadStream *stream,
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int rate, byte flags,
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DisposeAfterUse::Flag disposeAfterUse = DisposeAfterUse::YES);
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} // End of namespace Audio
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#endif
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