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author | vanfanel | 2015-11-11 17:56:12 +0100 |
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committer | vanfanel | 2015-11-11 17:56:12 +0100 |
commit | 99739a13fe844c807d3cdd87e67e207e888fd48a (patch) | |
tree | 6afbf4763326277efbf528f0bb9e587bf7a01788 /engines/sherlock/scalpel/3do/movie_decoder.cpp | |
parent | 37e157a11c3fc731dfdcf6ec6b6a5a448550219b (diff) | |
parent | 7e44493fe8877a3c6a65f83b9ed84a5f59169005 (diff) | |
download | scummvm-rg350-99739a13fe844c807d3cdd87e67e207e888fd48a.tar.gz scummvm-rg350-99739a13fe844c807d3cdd87e67e207e888fd48a.tar.bz2 scummvm-rg350-99739a13fe844c807d3cdd87e67e207e888fd48a.zip |
Merge branch 'master' into dispmanx
Diffstat (limited to 'engines/sherlock/scalpel/3do/movie_decoder.cpp')
-rw-r--r-- | engines/sherlock/scalpel/3do/movie_decoder.cpp | 467 |
1 files changed, 467 insertions, 0 deletions
diff --git a/engines/sherlock/scalpel/3do/movie_decoder.cpp b/engines/sherlock/scalpel/3do/movie_decoder.cpp new file mode 100644 index 0000000000..da4d08ca47 --- /dev/null +++ b/engines/sherlock/scalpel/3do/movie_decoder.cpp @@ -0,0 +1,467 @@ +/* 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. + * + */ + +#include "common/scummsys.h" +#include "common/stream.h" +#include "common/textconsole.h" + +#include "audio/audiostream.h" +#include "audio/decoders/raw.h" +#include "audio/decoders/3do.h" + +#include "sherlock/scalpel/3do/movie_decoder.h" +#include "image/codecs/cinepak.h" + +// for Test-Code +#include "common/system.h" +#include "common/events.h" +#include "common/keyboard.h" +#include "engines/engine.h" +#include "engines/util.h" +#include "graphics/palette.h" +#include "graphics/pixelformat.h" +#include "graphics/surface.h" + +namespace Sherlock { + +Scalpel3DOMovieDecoder::Scalpel3DOMovieDecoder() + : _stream(0), _videoTrack(0), _audioTrack(0) { + _streamVideoOffset = 0; + _streamAudioOffset = 0; +} + +Scalpel3DOMovieDecoder::~Scalpel3DOMovieDecoder() { + close(); +} + +bool Scalpel3DOMovieDecoder::loadStream(Common::SeekableReadStream *stream) { + uint32 videoSubType = 0; + uint32 videoCodecTag = 0; + uint32 videoHeight = 0; + uint32 videoWidth = 0; + uint32 videoFrameCount = 0; + uint32 audioSubType = 0; + uint32 audioCodecTag = 0; + uint32 audioChannels = 0; + uint32 audioSampleRate = 0; + + close(); + + _stream = stream; + _streamVideoOffset = 0; + _streamAudioOffset = 0; + + // Look for packets that we care about + static const int maxPacketCheckCount = 20; + for (int i = 0; i < maxPacketCheckCount; i++) { + uint32 chunkTag = _stream->readUint32BE(); + uint32 chunkSize = _stream->readUint32BE() - 8; + + // Bail out if done + if (_stream->eos()) + break; + + uint32 dataStartOffset = _stream->pos(); + + switch (chunkTag) { + case MKTAG('F','I','L','M'): { + // See if this is a FILM header + _stream->skip(4); // time stamp (based on 240 per second) + _stream->skip(4); // Unknown 0x00000000 + videoSubType = _stream->readUint32BE(); + + switch (videoSubType) { + case MKTAG('F', 'H', 'D', 'R'): + // FILM header found + if (_videoTrack) { + warning("Sherlock 3DO movie: Multiple FILM headers found"); + close(); + return false; + } + _stream->readUint32BE(); + videoCodecTag = _stream->readUint32BE(); + videoHeight = _stream->readUint32BE(); + videoWidth = _stream->readUint32BE(); + _stream->skip(4); // time scale + videoFrameCount = _stream->readUint32BE(); + + _videoTrack = new StreamVideoTrack(videoWidth, videoHeight, videoCodecTag, videoFrameCount); + addTrack(_videoTrack); + break; + + case MKTAG('F', 'R', 'M', 'E'): + break; + + default: + warning("Sherlock 3DO movie: Unknown subtype inside FILM packet"); + close(); + return false; + } + break; + } + + case MKTAG('S','N','D','S'): { + _stream->skip(8); + audioSubType = _stream->readUint32BE(); + + switch (audioSubType) { + case MKTAG('S', 'H', 'D', 'R'): + // Audio header + + // Bail if we already have a track + if (_audioTrack) { + warning("Sherlock 3DO movie: Multiple SNDS headers found"); + close(); + return false; + } + + // OK, this is the start of a audio stream + _stream->readUint32BE(); // Version, always 0x00000000 + _stream->readUint32BE(); // Unknown 0x00000008 ?! + _stream->readUint32BE(); // Unknown 0x00007500 + _stream->readUint32BE(); // Unknown 0x00004000 + _stream->readUint32BE(); // Unknown 0x00000000 + _stream->readUint32BE(); // Unknown 0x00000010 + audioSampleRate = _stream->readUint32BE(); + audioChannels = _stream->readUint32BE(); + audioCodecTag = _stream->readUint32BE(); + _stream->readUint32BE(); // Unknown 0x00000004 compression ratio? + _stream->readUint32BE(); // Unknown 0x00000A2C + + _audioTrack = new StreamAudioTrack(audioCodecTag, audioSampleRate, audioChannels); + addTrack(_audioTrack); + break; + + case MKTAG('S', 'S', 'M', 'P'): + // Audio data + break; + default: + warning("Sherlock 3DO movie: Unknown subtype inside FILM packet"); + close(); + return false; + } + break; + } + + case MKTAG('C','T','R','L'): + case MKTAG('F','I','L','L'): // filler chunk, fills to certain boundary + case MKTAG('D','A','C','Q'): + case MKTAG('J','O','I','N'): // add cel data (not used in sherlock) + // Ignore these chunks + break; + + case MKTAG('S','H','D','R'): + // Happens for EA logo, seems to be garbage data right at the start of the file + break; + + default: + warning("Unknown chunk-tag '%s' inside Sherlock 3DO movie", tag2str(chunkTag)); + close(); + return false; + } + + if ((_videoTrack) && (_audioTrack)) + break; + + // Seek to next chunk + _stream->seek(dataStartOffset + chunkSize); + } + + // Bail if we didn't find video + audio + if ((!_videoTrack) || (!_audioTrack)) { + close(); + return false; + } + + // Rewind back to the beginning + _stream->seek(0); + + return true; +} + +void Scalpel3DOMovieDecoder::close() { + Video::VideoDecoder::close(); + + delete _stream; _stream = 0; + _videoTrack = 0; +} + +// We try to at least decode 1 frame +// and also try to get at least 0.5 seconds of audio queued up +void Scalpel3DOMovieDecoder::readNextPacket() { + uint32 currentMovieTime = getTime(); + uint32 wantedAudioQueued = currentMovieTime + 500; // always try to be 0.500 seconds in front of movie time + + int32 chunkOffset = 0; + int32 dataStartOffset = 0; + int32 nextChunkOffset = 0; + uint32 chunkTag = 0; + uint32 chunkSize = 0; + + uint32 videoSubType = 0; + uint32 videoTimeStamp = 0; + uint32 videoFrameSize = 0; + uint32 audioSubType = 0; + uint32 audioBytes = 0; + bool videoGotFrame = false; + bool videoDone = false; + bool audioDone = false; + + // Seek to smallest stream offset + if (_streamVideoOffset <= _streamAudioOffset) { + _stream->seek(_streamVideoOffset); + } else { + _stream->seek(_streamAudioOffset); + } + + if (wantedAudioQueued <= _audioTrack->getTotalAudioQueued()) { + // already got enough audio queued up + audioDone = true; + } + + while (1) { + chunkOffset = _stream->pos(); + assert(chunkOffset >= 0); + + // Read chunk header + chunkTag = _stream->readUint32BE(); + chunkSize = _stream->readUint32BE() - 8; + + // Calculate offsets + dataStartOffset = _stream->pos(); + assert(dataStartOffset >= 0); + nextChunkOffset = dataStartOffset + chunkSize; + + //warning("offset %lx - tag %lx", dataStartOffset, tag); + + if (_stream->eos()) + break; + + switch (chunkTag) { + case MKTAG('F','I','L','M'): + videoTimeStamp = _stream->readUint32BE(); + _stream->skip(4); // Unknown + videoSubType = _stream->readUint32BE(); + + switch (videoSubType) { + case MKTAG('F', 'H', 'D', 'R'): + // Ignore video header + break; + + case MKTAG('F', 'R', 'M', 'E'): + // Found frame data + if (_streamVideoOffset <= chunkOffset) { + // We are at an offset that is still relevant to video decoding + if (!videoDone) { + if (!videoGotFrame) { + // We haven't decoded any frame yet, so do so now + _stream->readUint32BE(); + videoFrameSize = _stream->readUint32BE(); + _videoTrack->decodeFrame(_stream->readStream(videoFrameSize), videoTimeStamp); + + _streamVideoOffset = nextChunkOffset; + videoGotFrame = true; + + } else { + // Already decoded a frame, so get timestamp of follow-up frame + // and then we are done with video + + // Calculate next frame time + // 3DO clock time for movies runs at 240Hh, that's why timestamps are based on 240. + uint32 currentFrameStartTime = _videoTrack->getNextFrameStartTime(); + uint32 nextFrameStartTime = videoTimeStamp * 1000 / 240; + assert(currentFrameStartTime <= nextFrameStartTime); + _videoTrack->setNextFrameStartTime(nextFrameStartTime); + + // next time we want to start at the current chunk + _streamVideoOffset = chunkOffset; + videoDone = true; + } + } + } + break; + + default: + error("Sherlock 3DO movie: Unknown subtype inside FILM packet"); + break; + } + break; + + case MKTAG('S','N','D','S'): + _stream->skip(8); + audioSubType = _stream->readUint32BE(); + + switch (audioSubType) { + case MKTAG('S', 'H', 'D', 'R'): + // Ignore the audio header + break; + + case MKTAG('S', 'S', 'M', 'P'): + // Got audio chunk + if (_streamAudioOffset <= chunkOffset) { + // We are at an offset that is still relevant to audio decoding + if (!audioDone) { + audioBytes = _stream->readUint32BE(); + _audioTrack->queueAudio(_stream, audioBytes); + + _streamAudioOffset = nextChunkOffset; + if (wantedAudioQueued <= _audioTrack->getTotalAudioQueued()) { + // Got enough audio + audioDone = true; + } + } + } + break; + + default: + error("Sherlock 3DO movie: Unknown subtype inside SNDS packet"); + break; + } + break; + + case MKTAG('C','T','R','L'): + case MKTAG('F','I','L','L'): // filler chunk, fills to certain boundary + case MKTAG('D','A','C','Q'): + case MKTAG('J','O','I','N'): // add cel data (not used in sherlock) + // Ignore these chunks + break; + + case MKTAG('S','H','D','R'): + // Happens for EA logo, seems to be garbage data right at the start of the file + break; + + default: + error("Unknown chunk-tag '%s' inside Sherlock 3DO movie", tag2str(chunkTag)); + } + + // Always seek to end of chunk + // Sometimes not all of the chunk is filled with audio + _stream->seek(nextChunkOffset); + + if ((videoDone) && (audioDone)) { + return; + } + } +} + +Scalpel3DOMovieDecoder::StreamVideoTrack::StreamVideoTrack(uint32 width, uint32 height, uint32 codecTag, uint32 frameCount) { + _width = width; + _height = height; + _frameCount = frameCount; + _curFrame = -1; + _nextFrameStartTime = 0; + + // Create the Cinepak decoder, if we're using it + if (codecTag == MKTAG('c', 'v', 'i', 'd')) + _codec = new Image::CinepakDecoder(); + else + error("Unsupported Sherlock 3DO movie video codec tag '%s'", tag2str(codecTag)); +} + +Scalpel3DOMovieDecoder::StreamVideoTrack::~StreamVideoTrack() { + delete _codec; +} + +bool Scalpel3DOMovieDecoder::StreamVideoTrack::endOfTrack() const { + return getCurFrame() >= getFrameCount() - 1; +} + +Graphics::PixelFormat Scalpel3DOMovieDecoder::StreamVideoTrack::getPixelFormat() const { + return _codec->getPixelFormat(); +} + +void Scalpel3DOMovieDecoder::StreamVideoTrack::decodeFrame(Common::SeekableReadStream *stream, uint32 videoTimeStamp) { + _surface = _codec->decodeFrame(*stream); + _curFrame++; +} + +Scalpel3DOMovieDecoder::StreamAudioTrack::StreamAudioTrack(uint32 codecTag, uint32 sampleRate, uint32 channels) { + switch (codecTag) { + case MKTAG('A','D','P','4'): + case MKTAG('S','D','X','2'): + // ADP4 + SDX2 are both allowed + break; + + default: + error("Unsupported Sherlock 3DO movie audio codec tag '%s'", tag2str(codecTag)); + } + + _totalAudioQueued = 0; // currently 0 milliseconds queued + + _codecTag = codecTag; + _sampleRate = sampleRate; + switch (channels) { + case 1: + _stereo = false; + break; + case 2: + _stereo = true; + break; + default: + error("Unsupported Sherlock 3DO movie audio channels %d", channels); + } + + _audioStream = Audio::makeQueuingAudioStream(sampleRate, _stereo); + + // reset audio decoder persistent spaces + memset(&_ADP4_PersistentSpace, 0, sizeof(_ADP4_PersistentSpace)); + memset(&_SDX2_PersistentSpace, 0, sizeof(_SDX2_PersistentSpace)); +} + +Scalpel3DOMovieDecoder::StreamAudioTrack::~StreamAudioTrack() { + delete _audioStream; +// free(_ADP4_PersistentSpace); +// free(_SDX2_PersistentSpace); +} + +void Scalpel3DOMovieDecoder::StreamAudioTrack::queueAudio(Common::SeekableReadStream *stream, uint32 size) { + Common::SeekableReadStream *compressedAudioStream = 0; + Audio::RewindableAudioStream *audioStream = 0; + uint32 audioLengthMSecs = 0; + + // Read the specified chunk into memory + compressedAudioStream = stream->readStream(size); + + switch(_codecTag) { + case MKTAG('A','D','P','4'): + audioStream = Audio::make3DO_ADP4AudioStream(compressedAudioStream, _sampleRate, _stereo, &audioLengthMSecs, DisposeAfterUse::YES, &_ADP4_PersistentSpace); + break; + case MKTAG('S','D','X','2'): + audioStream = Audio::make3DO_SDX2AudioStream(compressedAudioStream, _sampleRate, _stereo, &audioLengthMSecs, DisposeAfterUse::YES, &_SDX2_PersistentSpace); + break; + default: + break; + } + if (audioStream) { + _totalAudioQueued += audioLengthMSecs; + _audioStream->queueAudioStream(audioStream, DisposeAfterUse::YES); + } else { + // in case there was an error + delete compressedAudioStream; + } +} + +Audio::AudioStream *Scalpel3DOMovieDecoder::StreamAudioTrack::getAudioStream() const { + return _audioStream; +} + +} // End of namespace Sherlock |