/* 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. * * $URL$ * $Id$ * */ // // Heavily based on ffmpeg code. // // Copyright (c) 2001 Fabrice Bellard. // First version by Francois Revol revol@free.fr // Seek function by Gael Chardon gael.dev@4now.net // #ifndef MOHAWK_QT_PLAYER_H #define MOHAWK_QT_PLAYER_H #include "common/scummsys.h" #include "common/queue.h" #include "graphics/video/codecs/codec.h" #include "sound/audiostream.h" #include "sound/mixer.h" namespace Common { class File; } namespace Mohawk { enum ScaleMode { kScaleNormal = 1, kScaleHalf = 2, kScaleQuarter = 4 }; class QTPlayer { public: QTPlayer(); virtual ~QTPlayer(); /** * Returns the width of the video * @return the width of the video */ uint16 getWidth(); /** * Returns the height of the video * @return the height of the video */ uint16 getHeight(); /** * Returns the amount of frames in the video * @return the amount of frames in the video */ uint32 getFrameCount(); /** * Returns the bits per pixel of the video * @return the bits per pixel of the video */ byte getBitsPerPixel(); /** * Returns the codec tag of the video * @return the codec tag of the video */ uint32 getCodecTag(); /** * Load a QuickTime video file from a SeekableReadStream * @param stream the stream to load */ bool loadFile(Common::SeekableReadStream* stream); /** * Close a QuickTime encoded video file */ void closeFile(); /** * Returns the downscale mode of the video * @return the downscale mode of the video */ ScaleMode getScaleMode(); /** * Returns the palette of the video * @return the palette of the video */ byte *getPalette() { return _palette; } /** * Set the beginning offset of the video so we can modify the offsets in the stco * atom of videos inside the Mohawk archives * @param the beginning offset of the video */ void setChunkBeginOffset(uint32 offset) { _beginOffset = offset; } int32 getCurFrame() { return _curFrame; } void addPauseTime(uint32 p) { _lastFrameStart += p; _nextFrameStart += p; } Graphics::Surface *getNextFrame(); void updateAudioBuffer(); void startAudio(); void stopAudio(); void pauseAudio(); void resumeAudio(); bool needsUpdate(); bool endOfVideo(); void stop(); void reset(); protected: // This is the file handle from which data is read from. It can be the actual file handle or a decompressed stream. Common::SeekableReadStream *_fd; struct MOVatom { uint32 type; uint32 offset; uint32 size; }; struct ParseTable { uint32 type; int (QTPlayer::*func)(MOVatom atom); }; struct MOVstts { int count; int duration; }; struct MOVstsc { uint32 first; uint32 count; uint32 id; }; enum CodecType { CODEC_TYPE_MOV_OTHER, CODEC_TYPE_VIDEO, CODEC_TYPE_AUDIO }; struct MOVStreamContext { MOVStreamContext() { memset(this, 0, sizeof(MOVStreamContext)); } ~MOVStreamContext() { delete[] chunk_offsets; delete[] stts_data; delete[] ctts_data; delete[] sample_to_chunk; delete[] sample_sizes; delete[] keyframes; delete extradata; } int ffindex; /* the ffmpeg stream id */ int is_ff_stream; /* Is this stream presented to ffmpeg ? i.e. is this an audio or video stream ? */ uint32 next_chunk; uint32 chunk_count; uint32 *chunk_offsets; int stts_count; MOVstts *stts_data; int ctts_count; MOVstts *ctts_data; int edit_count; /* number of 'edit' (elst atom) */ uint32 sample_to_chunk_sz; MOVstsc *sample_to_chunk; int32 sample_to_chunk_index; int sample_to_time_index; uint32 sample_to_time_sample; uint32 sample_to_time_time; int sample_to_ctime_index; int sample_to_ctime_sample; uint32 sample_size; uint32 sample_count; uint32 *sample_sizes; uint32 keyframe_count; uint32 *keyframes; int32 time_scale; int time_rate; uint32 current_sample; uint32 left_in_chunk; /* how many samples before next chunk */ uint16 width; uint16 height; int codec_type; uint32 codec_tag; char codec_name[32]; uint16 bits_per_sample; uint16 color_table_id; bool palettized; Common::SeekableReadStream *extradata; uint16 stsd_version; uint16 channels; uint16 sample_rate; uint32 samples_per_frame; uint32 bytes_per_frame; uint32 nb_frames; uint32 duration; uint32 start_time; ScaleMode scaleMode; }; const ParseTable *_parseTable; bool _foundMOOV; bool _foundMDAT; uint32 _timeScale; uint32 _duration; uint32 _mdatOffset; uint32 _mdatSize; uint32 _next_chunk_offset; MOVStreamContext *_partial; uint32 _numStreams; int _ni; ScaleMode _scaleMode; MOVStreamContext *_streams[20]; byte _palette[256 * 4]; void initParseTable(); Audio::AudioStream *createAudioStream(Common::SeekableReadStream *stream); bool checkAudioCodecSupport(uint32 tag); Common::SeekableReadStream *getNextFramePacket(); uint32 getFrameDuration(); Audio::QueuingAudioStream *_audStream; int8 _videoStreamIndex; int8 _audioStreamIndex; uint _curAudioChunk; uint32 _beginOffset; Graphics::Codec *createCodec(uint32 codecTag, byte bitsPerPixel); Graphics::Codec *_videoCodec; bool _noCodecFound; int32 _curFrame; uint32 _lastFrameStart, _nextFrameStart; // In 1/100 ms Audio::SoundHandle _audHandle; int readDefault(MOVatom atom); int readLeaf(MOVatom atom); int readELST(MOVatom atom); int readHDLR(MOVatom atom); int readMDAT(MOVatom atom); int readMDHD(MOVatom atom); int readMOOV(MOVatom atom); int readMVHD(MOVatom atom); int readTKHD(MOVatom atom); int readTRAK(MOVatom atom); int readSTCO(MOVatom atom); int readSTSC(MOVatom atom); int readSTSD(MOVatom atom); int readSTSS(MOVatom atom); int readSTSZ(MOVatom atom); int readSTTS(MOVatom atom); int readCMOV(MOVatom atom); int readWAVE(MOVatom atom); }; } // End of namespace Mohawk #endif