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-rw-r--r--graphics/video/flic_decoder.cpp323
1 files changed, 0 insertions, 323 deletions
diff --git a/graphics/video/flic_decoder.cpp b/graphics/video/flic_decoder.cpp
deleted file mode 100644
index 51c487861e..0000000000
--- a/graphics/video/flic_decoder.cpp
+++ /dev/null
@@ -1,323 +0,0 @@
-/* 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.
- *
- * $URL$
- * $Id$
- *
- */
-
-#include "graphics/video/flic_decoder.h"
-#include "common/archive.h"
-#include "common/stream.h"
-#include "common/endian.h"
-#include "common/system.h"
-
-namespace Graphics {
-
-FlicDecoder::FlicDecoder() {
- _paletteChanged = false;
- _fileStream = 0;
- _surface = 0;
-}
-
-FlicDecoder::~FlicDecoder() {
- close();
-}
-
-bool FlicDecoder::load(Common::SeekableReadStream *stream) {
- close();
-
- _fileStream = stream;
-
- /* uint32 frameSize = */ _fileStream->readUint32LE();
- uint16 frameType = _fileStream->readUint16LE();
-
- // Check FLC magic number
- if (frameType != 0xAF12) {
- warning("FlicDecoder::FlicDecoder(): attempted to load non-FLC data (type = 0x%04X)", frameType);
- delete _fileStream;
- _fileStream = 0;
- return false;
- }
-
-
- _frameCount = _fileStream->readUint16LE();
- uint16 width = _fileStream->readUint16LE();
- uint16 height = _fileStream->readUint16LE();
- uint16 colorDepth = _fileStream->readUint16LE();
- if (colorDepth != 8) {
- warning("FlicDecoder::FlicDecoder(): attempted to load an FLC with a palette of color depth %d. Only 8-bit color palettes are supported", frameType);
- delete _fileStream;
- _fileStream = 0;
- return false;
- }
-
- _fileStream->readUint16LE(); // flags
- // Note: The normal delay is a 32-bit integer (dword), whereas the overridden delay is a 16-bit integer (word)
- // the frame delay is the FLIC "speed", in milliseconds.
- _frameRate = Common::Rational(1000, _fileStream->readUint32LE());
-
- _fileStream->seek(80);
- _offsetFrame1 = _fileStream->readUint32LE();
- _offsetFrame2 = _fileStream->readUint32LE();
-
- _surface = new Graphics::Surface();
- _surface->create(width, height, 1);
- _palette = (byte *)malloc(3 * 256);
- memset(_palette, 0, 3 * 256);
- _paletteChanged = false;
-
- // Seek to the first frame
- _fileStream->seek(_offsetFrame1);
- return true;
-}
-
-void FlicDecoder::close() {
- if (!_fileStream)
- return;
-
- delete _fileStream;
- _fileStream = 0;
-
- _surface->free();
- delete _surface;
- _surface = 0;
-
- free(_palette);
- _dirtyRects.clear();
-
- reset();
-}
-
-void FlicDecoder::decodeByteRun(uint8 *data) {
- byte *ptr = (byte *)_surface->pixels;
- while ((int32)(ptr - (byte *)_surface->pixels) < (getWidth() * getHeight())) {
- int chunks = *data++;
- while (chunks--) {
- int count = (int8)*data++;
- if (count > 0) {
- memset(ptr, *data++, count);
- } else {
- count = -count;
- memcpy(ptr, data, count);
- data += count;
- }
- ptr += count;
- }
- }
-
- // Redraw
- _dirtyRects.clear();
- _dirtyRects.push_back(Common::Rect(0, 0, getWidth(), getHeight()));
-}
-
-#define OP_PACKETCOUNT 0
-#define OP_UNDEFINED 1
-#define OP_LASTPIXEL 2
-#define OP_LINESKIPCOUNT 3
-
-void FlicDecoder::decodeDeltaFLC(uint8 *data) {
- uint16 linesInChunk = READ_LE_UINT16(data); data += 2;
- uint16 currentLine = 0;
- uint16 packetCount = 0;
-
- while (linesInChunk--) {
- uint16 opcode;
-
- // First process all the opcodes.
- do {
- opcode = READ_LE_UINT16(data); data += 2;
-
- switch ((opcode >> 14) & 3) {
- case OP_PACKETCOUNT:
- packetCount = opcode;
- break;
- case OP_UNDEFINED:
- break;
- case OP_LASTPIXEL:
- *((byte *)_surface->pixels + currentLine * getWidth() + getWidth() - 1) = (opcode & 0xFF);
- _dirtyRects.push_back(Common::Rect(getWidth() - 1, currentLine, getWidth(), currentLine + 1));
- break;
- case OP_LINESKIPCOUNT:
- currentLine += -(int16)opcode;
- break;
- }
- } while (((opcode >> 14) & 3) != OP_PACKETCOUNT);
-
- uint16 column = 0;
-
- // Now interpret the RLE data
- while (packetCount--) {
- column += *data++;
- int rleCount = (int8)*data++;
- if (rleCount > 0) {
- memcpy((byte *)_surface->pixels + (currentLine * getWidth()) + column, data, rleCount * 2);
- data += rleCount * 2;
- _dirtyRects.push_back(Common::Rect(column, currentLine, column + rleCount * 2, currentLine + 1));
- } else if (rleCount < 0) {
- rleCount = -rleCount;
- uint16 dataWord = READ_UINT16(data); data += 2;
- for (int i = 0; i < rleCount; ++i) {
- WRITE_UINT16((byte *)_surface->pixels + currentLine * getWidth() + column + i * 2, dataWord);
- }
- _dirtyRects.push_back(Common::Rect(column, currentLine, column + rleCount * 2, currentLine + 1));
- } else { // End of cutscene ?
- return;
- }
- column += rleCount * 2;
- }
-
- currentLine++;
- }
-}
-
-#define FLI_SETPAL 4
-#define FLI_SS2 7
-#define FLI_BRUN 15
-#define PSTAMP 18
-#define FRAME_TYPE 0xF1FA
-
-const Surface *FlicDecoder::decodeNextFrame() {
- // Read chunk
- uint32 frameSize = _fileStream->readUint32LE();
- uint16 frameType = _fileStream->readUint16LE();
- uint16 chunkCount = 0;
-
- switch (frameType) {
- case FRAME_TYPE:
- {
- // FIXME: FLIC should be switched over to a variable frame rate VideoDecoder to handle
- // this properly.
-
- chunkCount = _fileStream->readUint16LE();
- // Note: The overridden delay is a 16-bit integer (word), whereas the normal delay is a 32-bit integer (dword)
- // the frame delay is the FLIC "speed", in milliseconds.
- uint16 newFrameDelay = _fileStream->readUint16LE(); // "speed", in milliseconds
- if (newFrameDelay > 0)
- _frameRate = Common::Rational(1000, newFrameDelay);
-
- _fileStream->readUint16LE(); // reserved, always 0
- uint16 newWidth = _fileStream->readUint16LE();
- uint16 newHeight = _fileStream->readUint16LE();
-
- if ((newWidth != 0) && (newHeight != 0)) {
- if (newWidth == 0)
- newWidth = _surface->w;
- if (newHeight == 0)
- newHeight = _surface->h;
-
- _surface->free();
- delete _surface;
- _surface = new Graphics::Surface();
- _surface->create(newWidth, newHeight, 1);
- }
- }
- break;
- default:
- error("FlicDecoder::decodeFrame(): unknown main chunk type (type = 0x%02X)", frameType);
- break;
- }
-
- // Read subchunks
- if (frameType == FRAME_TYPE) {
- for (uint32 i = 0; i < chunkCount; ++i) {
- frameSize = _fileStream->readUint32LE();
- frameType = _fileStream->readUint16LE();
- uint8 *data = new uint8[frameSize - 6];
- _fileStream->read(data, frameSize - 6);
- switch (frameType) {
- case FLI_SETPAL:
- unpackPalette(data);
- _paletteChanged = true;
- break;
- case FLI_SS2:
- decodeDeltaFLC(data);
- break;
- case FLI_BRUN:
- decodeByteRun(data);
- break;
- case PSTAMP:
- /* PSTAMP - skip for now */
- break;
- default:
- error("FlicDecoder::decodeNextFrame(): unknown subchunk type (type = 0x%02X)", frameType);
- break;
- }
-
- delete[] data;
- }
- }
-
- _curFrame++;
-
- // If we just processed the ring frame, set the next frame
- if (_curFrame == (int32)_frameCount) {
- _curFrame = 0;
- _fileStream->seek(_offsetFrame2);
- }
-
- if (_curFrame == 0)
- _startTime = g_system->getMillis();
-
- return _surface;
-}
-
-void FlicDecoder::reset() {
- VideoDecoder::reset();
- if (_fileStream)
- _fileStream->seek(_offsetFrame1);
-}
-
-void FlicDecoder::unpackPalette(uint8 *data) {
- uint16 numPackets = READ_LE_UINT16(data); data += 2;
-
- if (0 == READ_LE_UINT16(data)) { //special case
- data += 2;
- for (int i = 0; i < 256; ++i) {
- memcpy(_palette + i * 3, data + i * 3, 3);
- }
- } else {
- uint8 palPos = 0;
-
- while (numPackets--) {
- palPos += *data++;
- uint8 change = *data++;
-
- for (int i = 0; i < change; ++i) {
- memcpy(_palette + (palPos + i) * 3, data + i * 3, 3);
- }
-
- palPos += change;
- data += (change * 3);
- }
- }
-}
-
-void FlicDecoder::copyDirtyRectsToBuffer(uint8 *dst, uint pitch) {
- for (Common::List<Common::Rect>::const_iterator it = _dirtyRects.begin(); it != _dirtyRects.end(); ++it) {
- for (int y = (*it).top; y < (*it).bottom; ++y) {
- const int x = (*it).left;
- memcpy(dst + y * pitch + x, (byte *)_surface->pixels + y * getWidth() + x, (*it).right - x);
- }
- }
- _dirtyRects.clear();
-}
-
-} // End of namespace Graphics
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