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| author | Matthew Hoops | 2011-06-03 01:14:16 -0400 |
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| committer | Matthew Hoops | 2011-06-03 01:14:16 -0400 |
| commit | 224c71e483e09931ba386555ff3b436b9defe63d (patch) | |
| tree | 8e6178331a7bbd3ee1be318d3fc7a7c7f478468f /audio/decoders/quicktime_intern.h | |
| parent | d4c92983920cfe3b25a22d91e12c750e591b917e (diff) | |
| parent | 547fd1bdcabcba0e741eb31100ba99ff73399d24 (diff) | |
| download | scummvm-rg350-224c71e483e09931ba386555ff3b436b9defe63d.tar.gz scummvm-rg350-224c71e483e09931ba386555ff3b436b9defe63d.tar.bz2 scummvm-rg350-224c71e483e09931ba386555ff3b436b9defe63d.zip | |
Merge remote branch 'upstream/master' into pegasus
Diffstat (limited to 'audio/decoders/quicktime_intern.h')
| -rw-r--r-- | audio/decoders/quicktime_intern.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/audio/decoders/quicktime_intern.h b/audio/decoders/quicktime_intern.h new file mode 100644 index 0000000000..f288d5604b --- /dev/null +++ b/audio/decoders/quicktime_intern.h @@ -0,0 +1,99 @@ +/* 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. + * + * $URL$ + * $Id$ + * + */ + +/** + * Internal interface to the QuickTime audio decoder. + * + * This is available so that the QuickTimeVideoDecoder can use + * this directly. + */ + +#ifndef AUDIO_QUICKTIME_INTERN_H +#define AUDIO_QUICKTIME_INTERN_H + +#include "common/quicktime.h" +#include "common/scummsys.h" +#include "common/types.h" + +namespace Common { + class SeekableReadStream; + class String; +} + +namespace Audio { + +class AudioStream; +class QueuingAudioStream; + +class QuickTimeAudioDecoder : public Common::QuickTimeParser { +public: + QuickTimeAudioDecoder(); + virtual ~QuickTimeAudioDecoder(); + + /** + * Load a QuickTime audio file + * @param filename the filename to load + */ + bool loadAudioFile(const Common::String &filename); + + /** + * Load a QuickTime audio file from a SeekableReadStream + * @param stream the stream to load + */ + bool loadAudioStream(Common::SeekableReadStream *stream, DisposeAfterUse::Flag disposeFileHandle); + +protected: + class AudioSampleDesc : public Common::QuickTimeParser::SampleDesc { + public: + AudioSampleDesc(Common::QuickTimeParser::Track *parentTrack, uint32 codecTag); + + bool isAudioCodecSupported() const; + uint32 getAudioChunkSampleCount(uint chunk) const; + AudioStream *createAudioStream(Common::SeekableReadStream *stream) const; + + // TODO: Make private in the long run + uint16 _bitsPerSample; + uint16 _channels; + uint32 _sampleRate; + uint32 _samplesPerFrame; + uint32 _bytesPerFrame; + }; + + // Common::QuickTimeParser API + virtual Common::QuickTimeParser::SampleDesc *readSampleDesc(Track *track, uint32 format); + + void init(); + void setAudioStreamPos(const Timestamp &where); + bool isOldDemuxing() const; + void queueNextAudioChunk(); + + int _audioTrackIndex; + uint _curAudioChunk; + QueuingAudioStream *_audStream; +}; + +} // End of namespace Audio + +#endif |