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-rw-r--r--engines/chewy/video/cfo_decoder.cpp261
-rw-r--r--engines/chewy/video/cfo_decoder.h59
2 files changed, 320 insertions, 0 deletions
diff --git a/engines/chewy/video/cfo_decoder.cpp b/engines/chewy/video/cfo_decoder.cpp
new file mode 100644
index 0000000000..99fd665523
--- /dev/null
+++ b/engines/chewy/video/cfo_decoder.cpp
@@ -0,0 +1,261 @@
+/* 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/stream.h"
+#include "video/flic_decoder.h"
+
+#include "chewy/video/cfo_decoder.h"
+
+namespace Chewy {
+
+enum CustomSubChunk {
+ kChunkFadeIn = 0,
+ kChunkFadeOut = 1,
+ kChunkLoadMusic = 2,
+ kChunkLoadRaw = 3,
+ kChunkLoadVoc = 4,
+ kChunkPlayMusic = 5,
+ kChunkPlaySeq = 6,
+ kChunkPlayPattern = 7,
+ kChunkStopMusic = 8,
+ kChunkWaitMusicEnd = 9,
+ kChunkSetMusicVolume = 10,
+ kChunkSetLoopMode = 11,
+ kChunkPlayRaw = 12,
+ kChunkPlayVoc = 13,
+ kChunkSetSoundVolume = 14,
+ kChunkSetChannelVolume = 15,
+ kChunkFreeSoundEffect = 16,
+ kChunkMusicFadeIn = 17,
+ kChunkMusicFadeOut = 18,
+ kChunkSetStero = 19,
+ kChunkSetSpeed = 20,
+ kChunkClearScreen = 21
+};
+
+bool CfoDecoder::loadStream(Common::SeekableReadStream *stream) {
+ close();
+
+ if (stream->readUint32BE() != MKTAG('C', 'F', 'O', '\0'))
+ error("Corrupt video resource");
+
+ stream->readUint32LE(); // always 0
+
+ uint16 frameCount = stream->readUint16LE();
+ uint16 width = stream->readUint16LE();
+ uint16 height = stream->readUint16LE();
+
+ addTrack(new CfoVideoTrack(stream, frameCount, width, height));
+ return true;
+}
+
+CfoDecoder::CfoVideoTrack::CfoVideoTrack(Common::SeekableReadStream *stream, uint16 frameCount, uint16 width, uint16 height) :
+ Video::FlicDecoder::FlicVideoTrack(stream, frameCount, width, height, true) {
+ readHeader();
+}
+
+void CfoDecoder::CfoVideoTrack::readHeader() {
+ _frameDelay = _startFrameDelay = _fileStream->readUint32LE();
+ _offsetFrame1 = _fileStream->readUint32LE();
+ _offsetFrame2 = 0; // doesn't exist, as CFO videos aren't rewindable
+
+ _fileStream->seek(_offsetFrame1);
+}
+
+#define FRAME_TYPE 0xF1FA
+#define CUSTOM_FRAME_TYPE 0xFAF1
+
+const Graphics::Surface *CfoDecoder::CfoVideoTrack::decodeNextFrame() {
+ uint16 frameType;
+
+ // Read chunk
+ /*uint32 frameSize =*/ _fileStream->readUint32LE();
+ frameType = _fileStream->readUint16LE();
+
+ switch (frameType) {
+ case FRAME_TYPE:
+ handleFrame();
+ break;
+ case CUSTOM_FRAME_TYPE:
+ handleCustomFrame();
+ break;
+ default:
+ error("CfoDecoder::decodeFrame(): unknown main chunk type (type = 0x%02X)", frameType);
+ break;
+ }
+
+ _curFrame++;
+ _nextFrameStartTime += _frameDelay;
+
+ return _surface;
+}
+
+#define FLI_SETPAL 4
+#define FLI_SS2 7
+#define FLI_BRUN 15
+#define FLI_COPY 16
+#define PSTAMP 18
+
+void CfoDecoder::CfoVideoTrack::handleFrame() {
+ uint16 chunkCount = _fileStream->readUint16LE();
+
+ // Read subchunks
+ for (uint32 i = 0; i < chunkCount; ++i) {
+ uint32 frameSize = _fileStream->readUint32LE();
+ uint16 frameType = _fileStream->readUint16LE();
+ uint8 *data = new uint8[frameSize - 6];
+ _fileStream->read(data, frameSize - 6);
+
+ switch (frameType) {
+ case FLI_SETPAL:
+ unpackPalette(data);
+ _dirtyPalette = true;
+ break;
+ case FLI_SS2:
+ decodeDeltaFLC(data);
+ break;
+ case FLI_BRUN:
+ decodeByteRun(data);
+ break;
+ case FLI_COPY:
+ copyFrame(data);
+ break;
+ case PSTAMP:
+ /* PSTAMP - skip for now */
+ break;
+ default:
+ error("FlicDecoder::decodeNextFrame(): unknown subchunk type (type = 0x%02X)", frameType);
+ break;
+ }
+
+ delete[] data;
+ }
+}
+
+void CfoDecoder::CfoVideoTrack::handleCustomFrame() {
+ uint16 chunkCount = _fileStream->readUint16LE();
+
+ // Read subchunks
+ for (uint32 i = 0; i < chunkCount; ++i) {
+ uint32 frameSize = _fileStream->readUint32LE();
+ uint16 frameType = _fileStream->readUint16LE();
+ uint8 *data = new uint8[frameSize];
+ _fileStream->read(data, frameSize);
+
+ switch (frameType) {
+ case kChunkFadeIn:
+ warning("kChunkFadeIn");
+ // TODO
+ break;
+ case kChunkFadeOut:
+ warning("kChunkFadeOut");
+ // TODO
+ break;
+ case kChunkLoadMusic:
+ warning("kChunkLoadMusic");
+ // TODO
+ break;
+ case kChunkLoadRaw:
+ warning("kChunkLoadRaw");
+ // TODO
+ break;
+ case kChunkLoadVoc:
+ warning("kChunkLoadVoc");
+ // TODO
+ break;
+ case kChunkPlayMusic:
+ warning("kChunkPlayMusic");
+ break;
+ case kChunkPlaySeq:
+ warning("kChunkPlaySeq");
+ // TODO
+ break;
+ case kChunkPlayPattern:
+ warning("kChunkPlayPattern");
+ // TODO
+ break;
+ case kChunkStopMusic:
+ warning("kChunkStopMusic");
+ // TODO
+ break;
+ case kChunkWaitMusicEnd:
+ warning("kChunkWaitMusicEnd");
+ // TODO
+ break;
+ case kChunkSetMusicVolume:
+ warning("kChunkSetMusicVolume");
+ // TODO
+ break;
+ case kChunkSetLoopMode:
+ warning("kChunkSetLoopMode");
+ // TODO
+ break;
+ case kChunkPlayRaw:
+ warning("kChunkPlayRaw");
+ // TODO
+ break;
+ case kChunkPlayVoc:
+ warning("kChunkPlayVoc");
+ // TODO
+ break;
+ case kChunkSetSoundVolume:
+ warning("kChunkSetSoundVolume");
+ // TODO
+ break;
+ case kChunkSetChannelVolume:
+ warning("kChunkSetChannelVolume");
+ // TODO
+ break;
+ case kChunkFreeSoundEffect:
+ warning("kChunkFreeSoundEffect");
+ // TODO
+ break;
+ case kChunkMusicFadeIn:
+ warning("kChunkMusicFadeIn");
+ // TODO
+ break;
+ case kChunkMusicFadeOut:
+ warning("kChunkMusicFadeOut");
+ // TODO
+ break;
+ case kChunkSetStero:
+ warning("kChunkSetStero");
+ // TODO
+ break;
+ case kChunkSetSpeed:
+ warning("kChunkSetSpeed");
+ // TODO
+ break;
+ case kChunkClearScreen:
+ warning("kChunkClearScreen");
+ // TODO
+ break;
+ default:
+ error("Unknown subchunk: %d", frameType);
+ break;
+ }
+
+ delete[] data;
+ }
+}
+
+} // End of namespace Chewy
diff --git a/engines/chewy/video/cfo_decoder.h b/engines/chewy/video/cfo_decoder.h
new file mode 100644
index 0000000000..57c083858f
--- /dev/null
+++ b/engines/chewy/video/cfo_decoder.h
@@ -0,0 +1,59 @@
+/* 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.
+ *
+ */
+
+#ifndef CHEWY_VIDEO_CFO_DECODER_H
+#define CHEWY_VIDEO_CFO_DECODER_H
+
+
+#include "graphics/surface.h"
+#include "video/flic_decoder.h"
+
+namespace Chewy {
+
+// A FLIC decoder, with a modified header and additional custom frames
+class CfoDecoder : public Video::FlicDecoder {
+public:
+ CfoDecoder() : Video::FlicDecoder() {}
+ virtual ~CfoDecoder() {}
+
+ bool loadStream(Common::SeekableReadStream *stream);
+
+protected:
+ class CfoVideoTrack : public Video::FlicDecoder::FlicVideoTrack {
+ public:
+ CfoVideoTrack(Common::SeekableReadStream *stream, uint16 frameCount, uint16 width, uint16 height);
+ ~CfoVideoTrack() {}
+
+ void readHeader();
+
+ bool isRewindable() const { return false; }
+ bool rewind() { return false; }
+
+ const ::Graphics::Surface *decodeNextFrame();
+ void handleFrame();
+ void handleCustomFrame();
+ };
+};
+
+} // End of namespace Chewy
+
+#endif
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