diff options
author | Matthew Hoops | 2010-05-18 14:17:24 +0000 |
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committer | Matthew Hoops | 2010-05-18 14:17:24 +0000 |
commit | 11cbdd03180a655b2b23ee4a13f1a00a1d782b3c (patch) | |
tree | 5b0d84211308ea37a2fa2f7017d6f96314f3c6fb /graphics | |
parent | f3892a506b2f935bae0be6319394c503c786d368 (diff) | |
download | scummvm-rg350-11cbdd03180a655b2b23ee4a13f1a00a1d782b3c.tar.gz scummvm-rg350-11cbdd03180a655b2b23ee4a13f1a00a1d782b3c.tar.bz2 scummvm-rg350-11cbdd03180a655b2b23ee4a13f1a00a1d782b3c.zip |
Committing the rest of the VideoDecoder Rewrite from patch #2963496.
svn-id: r49079
Diffstat (limited to 'graphics')
-rw-r--r-- | graphics/module.mk | 2 | ||||
-rw-r--r-- | graphics/video/avi_decoder.cpp | 110 | ||||
-rw-r--r-- | graphics/video/avi_decoder.h | 33 | ||||
-rw-r--r-- | graphics/video/codecs/codec.h | 3 | ||||
-rw-r--r-- | graphics/video/codecs/msrle.h | 1 | ||||
-rw-r--r-- | graphics/video/codecs/msvideo1.cpp | 2 | ||||
-rw-r--r-- | graphics/video/codecs/msvideo1.h | 1 | ||||
-rw-r--r-- | graphics/video/dxa_decoder.cpp | 182 | ||||
-rw-r--r-- | graphics/video/dxa_decoder.h | 39 | ||||
-rw-r--r-- | graphics/video/flic_decoder.cpp | 122 | ||||
-rw-r--r-- | graphics/video/flic_decoder.h | 43 | ||||
-rw-r--r-- | graphics/video/smk_decoder.cpp | 152 | ||||
-rw-r--r-- | graphics/video/smk_decoder.h | 36 | ||||
-rw-r--r-- | graphics/video/video_decoder.cpp | 101 | ||||
-rw-r--r-- | graphics/video/video_decoder.h | 184 | ||||
-rw-r--r-- | graphics/video/video_player.cpp | 245 | ||||
-rw-r--r-- | graphics/video/video_player.h | 221 |
17 files changed, 631 insertions, 846 deletions
diff --git a/graphics/module.mk b/graphics/module.mk index 15fbf092b3..ff6d7f8f60 100644 --- a/graphics/module.mk +++ b/graphics/module.mk @@ -26,7 +26,7 @@ MODULE_OBJS := \ video/flic_decoder.o \ video/mpeg_player.o \ video/smk_decoder.o \ - video/video_player.o \ + video/video_decoder.o \ video/codecs/msrle.o \ video/codecs/msvideo1.o \ video/coktelvideo/indeo3.o \ diff --git a/graphics/video/avi_decoder.cpp b/graphics/video/avi_decoder.cpp index 1e0fb389b3..944c9700bd 100644 --- a/graphics/video/avi_decoder.cpp +++ b/graphics/video/avi_decoder.cpp @@ -23,7 +23,6 @@ * */ -#include "common/archive.h" #include "common/endian.h" #include "common/file.h" #include "common/stream.h" @@ -49,6 +48,7 @@ AviDecoder::AviDecoder(Audio::Mixer *mixer, Audio::Mixer::SoundType soundType) : _audStream = NULL; _fileStream = NULL; _audHandle = new Audio::SoundHandle(); + _dirtyPalette = false; memset(_palette, 0, sizeof(_palette)); memset(&_wvInfo, 0, sizeof(PCMWAVEFORMAT)); memset(&_bmInfo, 0, sizeof(BITMAPINFOHEADER)); @@ -58,7 +58,7 @@ AviDecoder::AviDecoder(Audio::Mixer *mixer, Audio::Mixer::SoundType soundType) : } AviDecoder::~AviDecoder() { - closeFile(); + close(); delete _audHandle; } @@ -190,7 +190,7 @@ void AviDecoder::handleStreamHeader() { /*_palette[i * 4 + 3] = */_fileStream->readByte(); } - setPalette(_palette); + _dirtyPalette = true; } } else if (sHeader.streamType == ID_AUDS) { _audsHeader = sHeader; @@ -204,24 +204,16 @@ void AviDecoder::handleStreamHeader() { } } -bool AviDecoder::loadFile(const char *fileName) { - closeFile(); - - _fileStream = SearchMan.createReadStreamForMember(fileName); - if (!_fileStream) - return false; +bool AviDecoder::load(Common::SeekableReadStream &stream) { + close(); + _fileStream = &stream; _decodedHeader = false; - // Seek to the first frame - _videoInfo.currentFrame = -1; // Read chunks until we have decoded the header while (!_decodedHeader) runHandle(_fileStream->readUint32BE()); - _videoFrameBuffer = new byte[_header.width * _header.height]; - memset(_videoFrameBuffer, 0, _header.width * _header.height); - uint32 nextTag = _fileStream->readUint32BE(); // Throw out any JUNK section @@ -247,34 +239,24 @@ bool AviDecoder::loadFile(const char *fileName) { _mixer->playStream(_soundType, _audHandle, _audStream); debug (0, "Frames = %d, Dimensions = %d x %d", _header.totalFrames, _header.width, _header.height); - debug (0, "Frame Rate = %d", getFrameRate()); + debug (0, "Frame Rate = %d", _vidsHeader.rate / _vidsHeader.scale); if ((_audsHeader.scale != 0) && (_header.flags & AVIF_ISINTERLEAVED)) debug (0, "Sound Rate = %d", AUDIO_RATE); debug (0, "Video Codec = \'%s\'", tag2str(_vidsHeader.streamHandler)); - _videoInfo.firstframeOffset = _fileStream->pos(); - _videoInfo.width = _header.width; - _videoInfo.height = _header.height; - _videoInfo.frameCount = _header.totalFrames; - // Our frameDelay is calculated in 1/100 ms, so we convert it here - _videoInfo.frameDelay = _header.microSecondsPerFrame / 10; - if (!_videoCodec) return false; return true; } -void AviDecoder::closeFile() { +void AviDecoder::close() { if (!_fileStream) return; delete _fileStream; _fileStream = 0; - delete[] _videoFrameBuffer; - _videoFrameBuffer = 0; - // Deinitialize sound _mixer->stopHandle(*_audHandle); _audStream = 0; @@ -293,14 +275,26 @@ void AviDecoder::closeFile() { memset(&_vidsHeader, 0, sizeof(AVIStreamHeader)); memset(&_audsHeader, 0, sizeof(AVIStreamHeader)); memset(&_ixInfo, 0, sizeof(AVIOLDINDEX)); + + reset(); } -Surface *AviDecoder::getNextFrame() { +uint32 AviDecoder::getElapsedTime() const { + if (_audStream) + return _mixer->getSoundElapsedTime(*_audHandle); + + return VideoDecoder::getElapsedTime(); +} + +Surface *AviDecoder::decodeNextFrame() { uint32 nextTag = _fileStream->readUint32BE(); if (_fileStream->eos()) return NULL; + if (_curFrame == -1) + _startTime = g_system->getMillis(); + if (nextTag == ID_LIST) { // A list of audio/video chunks uint32 listSize = _fileStream->readUint32LE() - 4; @@ -312,7 +306,7 @@ Surface *AviDecoder::getNextFrame() { // Decode chunks in the list and see if we get a frame Surface *frame = NULL; while (_fileStream->pos() < startPos + (int32)listSize) { - Surface *temp = getNextFrame(); + Surface *temp = decodeNextFrame(); if (temp) frame = temp; } @@ -335,7 +329,7 @@ Surface *AviDecoder::getNextFrame() { } else if (getStreamType(nextTag) == 'dc' || getStreamType(nextTag) == 'id' || getStreamType(nextTag) == 'AM' || getStreamType(nextTag) == '32') { // Compressed Frame - _videoInfo.currentFrame++; + _curFrame++; uint32 chunkSize = _fileStream->readUint32LE(); if (chunkSize == 0) // Keep last frame on screen @@ -364,7 +358,7 @@ Surface *AviDecoder::getNextFrame() { _fileStream->readByte(); // Flags that don't serve us any purpose } - setPalette(_palette); + _dirtyPalette = true; // No alignment necessary. It's always even. } else if (nextTag == ID_JUNK) { @@ -372,56 +366,11 @@ Surface *AviDecoder::getNextFrame() { } else if (nextTag == ID_IDX1) { runHandle(ID_IDX1); } else - error ("Tag = \'%s\', %d", tag2str(nextTag), _fileStream->pos()); + error("Tag = \'%s\', %d", tag2str(nextTag), _fileStream->pos()); return NULL; } -bool AviDecoder::decodeNextFrame() { - Surface *surface = NULL; - - int32 curFrame = _videoInfo.currentFrame; - - while (!surface && !endOfVideo() && !_fileStream->eos()) - surface = getNextFrame(); - - if (curFrame == _videoInfo.currentFrame) { - warning("No video frame found"); - _videoInfo.currentFrame++; - } - - if (surface) - memcpy(_videoFrameBuffer, surface->pixels, _header.width * _header.height); - - if (_videoInfo.currentFrame == 0) - _videoInfo.startTime = g_system->getMillis(); - - return !endOfVideo(); -} - -int32 AviDecoder::getAudioLag() { - if (!_fileStream) - return 0; - - int32 frameDelay = getFrameDelay(); - int32 videoTime = (_videoInfo.currentFrame + 1) * frameDelay; - int32 audioTime; - - if (!_audStream) { - /* No audio. - Calculate the lag by how much time has gone by since the first frame - and how much time *should* have passed. - */ - - audioTime = (g_system->getMillis() - _videoInfo.startTime) * 100; - } else { - const Audio::Timestamp ts = _mixer->getElapsedTime(*_audHandle); - audioTime = ts.convertToFramerate(100000).totalNumberOfFrames(); - } - - return videoTime - audioTime; -} - Codec *AviDecoder::createCodec() { switch (_vidsHeader.streamHandler) { case ID_CRAM: @@ -437,11 +386,14 @@ Codec *AviDecoder::createCodec() { return NULL; } -Audio::QueuingAudioStream *AviDecoder::createAudioStream() { +PixelFormat AviDecoder::getPixelFormat() const { + assert(_videoCodec); + return _videoCodec->getPixelFormat(); +} - if (_wvInfo.tag == AVI_WAVE_FORMAT_PCM) { +Audio::QueuingAudioStream *AviDecoder::createAudioStream() { + if (_wvInfo.tag == AVI_WAVE_FORMAT_PCM) return Audio::makeQueuingAudioStream(AUDIO_RATE, false); - } if (_wvInfo.tag != 0) // No sound warning ("Unsupported AVI audio format %d", _wvInfo.tag); diff --git a/graphics/video/avi_decoder.h b/graphics/video/avi_decoder.h index 0f0431c70b..5f09992647 100644 --- a/graphics/video/avi_decoder.h +++ b/graphics/video/avi_decoder.h @@ -26,7 +26,7 @@ #ifndef GRAPHICS_AVI_PLAYER_H #define GRAPHICS_AVI_PLAYER_H -#include "graphics/video/video_player.h" +#include "graphics/video/video_decoder.h" #include "graphics/video/codecs/codec.h" #include "sound/audiostream.h" #include "sound/mixer.h" @@ -172,26 +172,27 @@ struct AVIStreamHeader { Common::Rect frame; }; -class AviDecoder : public VideoDecoder { +class AviDecoder : public FixedRateVideoDecoder { public: AviDecoder(Audio::Mixer *mixer, Audio::Mixer::SoundType soundType = Audio::Mixer::kPlainSoundType); virtual ~AviDecoder(); - /** - * Load an AVI video file - * @param filename the filename to load - */ - bool loadFile(const char *fileName); + bool load(Common::SeekableReadStream &stream); + void close(); - /** - * Close an AVI video file - */ - void closeFile(); + bool isVideoLoaded() const { return _fileStream != 0; } + uint16 getWidth() const { return _header.width; } + uint16 getHeight() const { return _header.height; } + uint32 getFrameCount() const { return _header.totalFrames; } + uint32 getElapsedTime() const; + Surface *decodeNextFrame(); + PixelFormat getPixelFormat() const; + byte *getPalette() { _dirtyPalette = false; return _palette; } + bool hasDirtyPalette() const { return _dirtyPalette; } - bool decodeNextFrame(); - int32 getAudioLag(); - int32 getFrameRate() { return _vidsHeader.rate / _vidsHeader.scale; } +protected: + Common::Rational getFrameRate() const { return Common::Rational(_vidsHeader.rate, _vidsHeader.scale); } private: Audio::Mixer *_mixer; @@ -202,7 +203,9 @@ private: AVIStreamHeader _vidsHeader; AVIStreamHeader _audsHeader; byte _palette[3 * 256]; + bool _dirtyPalette; + Common::SeekableReadStream *_fileStream; bool _decodedHeader; Codec *_videoCodec; @@ -223,8 +226,6 @@ private: static byte char2num(char c); static byte getStreamNum(uint32 tag); static uint16 getStreamType(uint32 tag); - - Surface *getNextFrame(); }; } // End of namespace Graphics diff --git a/graphics/video/codecs/codec.h b/graphics/video/codecs/codec.h index 124d1bc49d..4a280a81df 100644 --- a/graphics/video/codecs/codec.h +++ b/graphics/video/codecs/codec.h @@ -28,6 +28,7 @@ #include "common/stream.h" #include "graphics/surface.h" +#include "graphics/pixelformat.h" namespace Graphics { @@ -35,7 +36,9 @@ class Codec { public: Codec() {} virtual ~Codec() {} + virtual Surface *decodeImage(Common::SeekableReadStream *stream) = 0; + virtual PixelFormat getPixelFormat() const = 0; }; } // End of namespace Graphics diff --git a/graphics/video/codecs/msrle.h b/graphics/video/codecs/msrle.h index 634fe754ba..819e66a0bd 100644 --- a/graphics/video/codecs/msrle.h +++ b/graphics/video/codecs/msrle.h @@ -36,6 +36,7 @@ public: ~MSRLEDecoder(); Surface *decodeImage(Common::SeekableReadStream *stream); + PixelFormat getPixelFormat() const { return PixelFormat::createFormatCLUT8(); } private: byte _bitsPerPixel; diff --git a/graphics/video/codecs/msvideo1.cpp b/graphics/video/codecs/msvideo1.cpp index 16596926fd..f37bdbbf95 100644 --- a/graphics/video/codecs/msvideo1.cpp +++ b/graphics/video/codecs/msvideo1.cpp @@ -125,7 +125,7 @@ void MSVideo1Decoder::decode8(Common::SeekableReadStream *stream) { } } -Graphics::Surface *MSVideo1Decoder::decodeImage(Common::SeekableReadStream *stream) { +Surface *MSVideo1Decoder::decodeImage(Common::SeekableReadStream *stream) { if (_bitsPerPixel == 8) decode8(stream); else { diff --git a/graphics/video/codecs/msvideo1.h b/graphics/video/codecs/msvideo1.h index ff6ffc6549..e07267476d 100644 --- a/graphics/video/codecs/msvideo1.h +++ b/graphics/video/codecs/msvideo1.h @@ -36,6 +36,7 @@ public: ~MSVideo1Decoder(); Surface *decodeImage(Common::SeekableReadStream *stream); + PixelFormat getPixelFormat() const { return PixelFormat::createFormatCLUT8(); } private: byte _bitsPerPixel; diff --git a/graphics/video/dxa_decoder.cpp b/graphics/video/dxa_decoder.cpp index 86f2415922..3f26012f5e 100644 --- a/graphics/video/dxa_decoder.cpp +++ b/graphics/video/dxa_decoder.cpp @@ -39,11 +39,12 @@ namespace Graphics { DXADecoder::DXADecoder() { _fileStream = 0; + _surface = 0; + _dirtyPalette = false; _frameBuffer1 = 0; _frameBuffer2 = 0; _scaledBuffer = 0; - _videoFrameBuffer = 0; _inBuffer = 0; _inBufferSize = 0; @@ -51,67 +52,59 @@ DXADecoder::DXADecoder() { _decompBuffer = 0; _decompBufferSize = 0; - _videoInfo.width = 0; - _videoInfo.height = 0; + _width = 0; + _height = 0; _frameSize = 0; - _videoInfo.frameCount = 0; - _videoInfo.currentFrame = -1; - _videoInfo.frameRate = 0; - _videoInfo.frameDelay = 0; + _frameCount = 0; + _frameRate = 0; _scaleMode = S_NONE; } DXADecoder::~DXADecoder() { - closeFile(); + close(); } -bool DXADecoder::loadFile(const char *fileName) { - uint32 tag; - int32 frameRate; +bool DXADecoder::load(Common::SeekableReadStream &stream) { + close(); - closeFile(); + _fileStream = &stream; - _fileStream = SearchMan.createReadStreamForMember(fileName); - if (!_fileStream) - return false; - - tag = _fileStream->readUint32BE(); + uint32 tag = _fileStream->readUint32BE(); assert(tag == MKID_BE('DEXA')); uint8 flags = _fileStream->readByte(); - _videoInfo.frameCount = _fileStream->readUint16BE(); - frameRate = _fileStream->readSint32BE(); - - if (frameRate > 0) { - _videoInfo.frameRate = 1000 / frameRate; - _videoInfo.frameDelay = frameRate * 100; - } else if (frameRate < 0) { - _videoInfo.frameRate = 100000 / (-frameRate); - _videoInfo.frameDelay = -frameRate; - } else { - _videoInfo.frameRate = 10; - _videoInfo.frameDelay = 10000; - } + _frameCount = _fileStream->readUint16BE(); + int32 frameRate = _fileStream->readSint32BE(); + + if (frameRate > 0) + _frameRate = 1000 / frameRate; + else if (frameRate < 0) + _frameRate = 100000 / (-frameRate); + else + _frameRate = 10; - _videoInfo.width = _fileStream->readUint16BE(); - _videoInfo.height = _fileStream->readUint16BE(); + _width = _fileStream->readUint16BE(); + _height = _fileStream->readUint16BE(); if (flags & 0x80) { _scaleMode = S_INTERLACED; - _curHeight = _videoInfo.height / 2; + _curHeight = _height / 2; } else if (flags & 0x40) { _scaleMode = S_DOUBLE; - _curHeight = _videoInfo.height / 2; + _curHeight = _height / 2; } else { _scaleMode = S_NONE; - _curHeight = _videoInfo.height; + _curHeight = _height; } - debug(2, "flags 0x0%x framesCount %d width %d height %d rate %d ticks %d", flags, getFrameCount(), getWidth(), getHeight(), getFrameRate(), getFrameDelay()); + _surface = new Graphics::Surface(); + _surface->bytesPerPixel = 1; - _frameSize = _videoInfo.width * _videoInfo.height; + debug(2, "flags 0x0%x framesCount %d width %d height %d rate %d", flags, getFrameCount(), getWidth(), getHeight(), getFrameRate().toInt()); + + _frameSize = _width * _height; _decompBufferSize = _frameSize; _frameBuffer1 = (uint8 *)malloc(_frameSize); memset(_frameBuffer1, 0, _frameSize); @@ -135,9 +128,10 @@ bool DXADecoder::loadFile(const char *fileName) { do { tag = _fileStream->readUint32BE(); - if (tag != 0) { + + if (tag != 0) size = _fileStream->readUint32BE(); - } + switch (tag) { case 0: // No more tags break; @@ -159,20 +153,19 @@ bool DXADecoder::loadFile(const char *fileName) { // Read the sound header _soundTag = _fileStream->readUint32BE(); - _videoInfo.currentFrame = -1; - - _videoInfo.firstframeOffset = _fileStream->pos(); - return true; } -void DXADecoder::closeFile() { +void DXADecoder::close() { if (!_fileStream) return; delete _fileStream; _fileStream = 0; + delete _surface; + _surface = 0; + free(_frameBuffer1); free(_frameBuffer2); free(_scaledBuffer); @@ -181,6 +174,8 @@ void DXADecoder::closeFile() { _inBuffer = 0; _decompBuffer = 0; + + reset(); } void DXADecoder::decodeZlib(byte *data, int size, int totalSize) { @@ -208,10 +203,10 @@ void DXADecoder::decode12(int size) { memcpy(_frameBuffer2, _frameBuffer1, _frameSize); - for (uint32 by = 0; by < _videoInfo.height; by += BLOCKH) { - for (uint32 bx = 0; bx < _videoInfo.width; bx += BLOCKW) { + for (uint32 by = 0; by < _height; by += BLOCKH) { + for (uint32 bx = 0; bx < _width; bx += BLOCKW) { byte type = *dat++; - byte *b2 = _frameBuffer1 + bx + by * _videoInfo.width; + byte *b2 = _frameBuffer1 + bx + by * _width; switch (type) { case 0: @@ -243,7 +238,7 @@ void DXADecoder::decode12(int size) { } diffMap <<= 1; } - b2 += _videoInfo.width; + b2 += _width; } break; } @@ -254,7 +249,7 @@ void DXADecoder::decode12(int size) { for (int xc = 0; xc < BLOCKW; xc++) { b2[xc] = color; } - b2 += _videoInfo.width; + b2 += _width; } break; } @@ -263,7 +258,7 @@ void DXADecoder::decode12(int size) { for (int xc = 0; xc < BLOCKW; xc++) { b2[xc] = *dat++; } - b2 += _videoInfo.width; + b2 += _width; } break; } @@ -275,11 +270,11 @@ void DXADecoder::decode12(int size) { int my = mbyte & 0x07; if (mbyte & 0x08) my = -my; - byte *b1 = _frameBuffer2 + (bx+mx) + (by+my) * _videoInfo.width; + byte *b1 = _frameBuffer2 + (bx+mx) + (by+my) * _width; for (int yc = 0; yc < BLOCKH; yc++) { memcpy(b2, b1, BLOCKW); - b1 += _videoInfo.width; - b2 += _videoInfo.width; + b1 += _width; + b2 += _width; } break; } @@ -309,7 +304,7 @@ void DXADecoder::decode13(int size) { memcpy(_frameBuffer2, _frameBuffer1, _frameSize); - int codeSize = _videoInfo.width * _curHeight / 16; + int codeSize = _width * _curHeight / 16; int dataSize, motSize, maskSize; dataSize = READ_BE_UINT32(&_decompBuffer[0]); @@ -322,9 +317,9 @@ void DXADecoder::decode13(int size) { maskBuf = &motBuf[motSize]; for (uint32 by = 0; by < _curHeight; by += BLOCKH) { - for (uint32 bx = 0; bx < _videoInfo.width; bx += BLOCKW) { + for (uint32 bx = 0; bx < _width; bx += BLOCKW) { uint8 type = *codeBuf++; - uint8 *b2 = (uint8*)_frameBuffer1 + bx + by * _videoInfo.width; + uint8 *b2 = (uint8*)_frameBuffer1 + bx + by * _width; switch (type) { case 0: @@ -341,7 +336,7 @@ void DXADecoder::decode13(int size) { } diffMap <<= 1; } - b2 += _videoInfo.width; + b2 += _width; } break; } @@ -352,7 +347,7 @@ void DXADecoder::decode13(int size) { for (int xc = 0; xc < BLOCKW; xc++) { b2[xc] = color; } - b2 += _videoInfo.width; + b2 += _width; } break; } @@ -361,7 +356,7 @@ void DXADecoder::decode13(int size) { for (int xc = 0; xc < BLOCKW; xc++) { b2[xc] = *dataBuf++; } - b2 += _videoInfo.width; + b2 += _width; } break; } @@ -375,11 +370,11 @@ void DXADecoder::decode13(int size) { if (mbyte & 0x08) my = -my; - uint8 *b1 = (uint8*)_frameBuffer2 + (bx+mx) + (by+my) * _videoInfo.width; + uint8 *b1 = (uint8*)_frameBuffer2 + (bx+mx) + (by+my) * _width; for (int yc = 0; yc < BLOCKH; yc++) { memcpy(b2, b1, BLOCKW); - b1 += _videoInfo.width; - b2 += _videoInfo.width; + b1 += _width; + b2 += _width; } break; } @@ -391,7 +386,7 @@ void DXADecoder::decode13(int size) { for (int subBlock = 0; subBlock < 4; subBlock++) { int sx = bx + subX[subBlock], sy = by + subY[subBlock]; - b2 = (uint8*)_frameBuffer1 + sx + sy * _videoInfo.width; + b2 = (uint8*)_frameBuffer1 + sx + sy * _width; switch (subMask & 0xC0) { // 00: skip case 0x00: @@ -403,7 +398,7 @@ void DXADecoder::decode13(int size) { for (int xc = 0; xc < BLOCKW / 2; xc++) { b2[xc] = subColor; } - b2 += _videoInfo.width; + b2 += _width; } break; } @@ -419,11 +414,11 @@ void DXADecoder::decode13(int size) { if (mbyte & 0x08) my = -my; - uint8 *b1 = (uint8*)_frameBuffer2 + (sx+mx) + (sy+my) * _videoInfo.width; + uint8 *b1 = (uint8*)_frameBuffer2 + (sx+mx) + (sy+my) * _width; for (int yc = 0; yc < BLOCKH / 2; yc++) { memcpy(b2, b1, BLOCKW / 2); - b1 += _videoInfo.width; - b2 += _videoInfo.width; + b1 += _width; + b2 += _width; } break; } @@ -433,7 +428,7 @@ void DXADecoder::decode13(int size) { for (int xc = 0; xc < BLOCKW / 2; xc++) { b2[xc] = *dataBuf++; } - b2 += _videoInfo.width; + b2 += _width; } break; } @@ -458,7 +453,7 @@ void DXADecoder::decode13(int size) { b2[xc] = pixels[code & 1]; code >>= 1; } - b2 += _videoInfo.width; + b2 += _width; } } else { uint32 code = READ_BE_UINT32(maskBuf); @@ -468,7 +463,7 @@ void DXADecoder::decode13(int size) { b2[xc] = pixels[code & 3]; code >>= 2; } - b2 += _videoInfo.width; + b2 += _width; } } break; @@ -481,20 +476,11 @@ void DXADecoder::decode13(int size) { #endif } -bool DXADecoder::decodeNextFrame() { - uint32 tag; - - _videoInfo.currentFrame++; - - if (_videoInfo.currentFrame == 0) - _videoInfo.startTime = g_system->getMillis(); - - tag = _fileStream->readUint32BE(); +Surface *DXADecoder::decodeNextFrame() { + uint32 tag = _fileStream->readUint32BE(); if (tag == MKID_BE('CMAP')) { - byte rgb[768]; - - _fileStream->read(rgb, ARRAYSIZE(rgb)); - setPalette(rgb); + _fileStream->read(_palette, 256 * 3); + _dirtyPalette = true; } tag = _fileStream->readUint32BE(); @@ -531,8 +517,8 @@ bool DXADecoder::decodeNextFrame() { if (type == 3) { for (uint32 j = 0; j < _curHeight; ++j) { - for (uint32 i = 0; i < _videoInfo.width; ++i) { - const int offs = j * _videoInfo.width + i; + for (uint32 i = 0; i < _width; ++i) { + const int offs = j * _width + i; _frameBuffer1[offs] ^= _frameBuffer2[offs]; } } @@ -542,24 +528,34 @@ bool DXADecoder::decodeNextFrame() { switch (_scaleMode) { case S_INTERLACED: for (int cy = 0; cy < _curHeight; cy++) { - memcpy(&_scaledBuffer[2 * cy * _videoInfo.width], &_frameBuffer1[cy * _videoInfo.width], _videoInfo.width); - memset(&_scaledBuffer[((2 * cy) + 1) * _videoInfo.width], 0, _videoInfo.width); + memcpy(&_scaledBuffer[2 * cy * _width], &_frameBuffer1[cy * _width], _width); + memset(&_scaledBuffer[((2 * cy) + 1) * _width], 0, _width); } - _videoFrameBuffer = _scaledBuffer; + _surface->pixels = _scaledBuffer; break; case S_DOUBLE: for (int cy = 0; cy < _curHeight; cy++) { - memcpy(&_scaledBuffer[2 * cy * _videoInfo.width], &_frameBuffer1[cy * _videoInfo.width], _videoInfo.width); - memcpy(&_scaledBuffer[((2 * cy) + 1) * _videoInfo.width], &_frameBuffer1[cy * _videoInfo.width], _videoInfo.width); + memcpy(&_scaledBuffer[2 * cy * _width], &_frameBuffer1[cy * _width], _width); + memcpy(&_scaledBuffer[((2 * cy) + 1) * _width], &_frameBuffer1[cy * _width], _width); } - _videoFrameBuffer = _scaledBuffer; + _surface->pixels = _scaledBuffer; break; case S_NONE: - _videoFrameBuffer = _frameBuffer1; + _surface->pixels = _frameBuffer1; break; } - return !endOfVideo(); + // Copy in the relevant info to the Surface + _surface->w = getWidth(); + _surface->h = getHeight(); + _surface->pitch = getWidth(); + + _curFrame++; + + if (_curFrame == 0) + _startTime = g_system->getMillis(); + + return _surface; } } // End of namespace Graphics diff --git a/graphics/video/dxa_decoder.h b/graphics/video/dxa_decoder.h index 3edcc75ca9..0312828195 100644 --- a/graphics/video/dxa_decoder.h +++ b/graphics/video/dxa_decoder.h @@ -26,7 +26,7 @@ #ifndef GRAPHICS_VIDEO_DXA_PLAYER_H #define GRAPHICS_VIDEO_DXA_PLAYER_H -#include "graphics/video/video_player.h" +#include "graphics/video/video_decoder.h" namespace Graphics { @@ -38,29 +38,33 @@ namespace Graphics { * - sword1 * - sword2 */ -class DXADecoder : public VideoDecoder { +class DXADecoder : public FixedRateVideoDecoder { public: DXADecoder(); virtual ~DXADecoder(); - /** - * Load a DXA encoded video file - * @param filename the filename to load - */ - bool loadFile(const char *fileName); - - /** - * Close a DXA encoded video file - */ - void closeFile(); - - bool decodeNextFrame(); + bool load(Common::SeekableReadStream &stream); + void close(); + + bool isVideoLoaded() const { return _fileStream != 0; } + uint16 getWidth() const { return _width; } + uint16 getHeight() const { return _height; } + uint32 getFrameCount() const { return _frameCount; } + Surface *decodeNextFrame(); + PixelFormat getPixelFormat() const { return PixelFormat::createFormatCLUT8(); } + byte *getPalette() { _dirtyPalette = false; return _palette; } + bool hasDirtyPalette() const { return _dirtyPalette; } /** * Get the sound chunk tag of the loaded DXA file */ uint32 getSoundTag() { return _soundTag; } +protected: + Common::Rational getFrameRate() const { return _frameRate; } + + Common::SeekableReadStream *_fileStream; + private: void decodeZlib(byte *data, int size, int totalSize); void decode12(int size); @@ -72,6 +76,10 @@ private: S_DOUBLE }; + Graphics::Surface *_surface; + byte _palette[256 * 3]; + bool _dirtyPalette; + byte *_frameBuffer1; byte *_frameBuffer2; byte *_scaledBuffer; @@ -83,6 +91,9 @@ private: uint32 _frameSize; ScaleMode _scaleMode; uint32 _soundTag; + uint16 _width, _height; + uint32 _frameRate; + uint32 _frameCount; }; } // End of namespace Graphics diff --git a/graphics/video/flic_decoder.cpp b/graphics/video/flic_decoder.cpp index 14d062562f..bb5b4f219b 100644 --- a/graphics/video/flic_decoder.cpp +++ b/graphics/video/flic_decoder.cpp @@ -34,20 +34,17 @@ namespace Graphics { FlicDecoder::FlicDecoder() { _paletteChanged = false; _fileStream = 0; - _videoFrameBuffer = 0; - memset(&_videoInfo, 0, sizeof(_videoInfo)); + _surface = 0; } FlicDecoder::~FlicDecoder() { - closeFile(); + close(); } -bool FlicDecoder::loadFile(const char *fileName) { - closeFile(); +bool FlicDecoder::load(Common::SeekableReadStream &stream) { + close(); - _fileStream = SearchMan.createReadStreamForMember(fileName); - if (!_fileStream) - return false; + _fileStream = &stream; /* uint32 frameSize = */ _fileStream->readUint32LE(); uint16 frameType = _fileStream->readUint16LE(); @@ -60,9 +57,10 @@ bool FlicDecoder::loadFile(const char *fileName) { return false; } - _videoInfo.frameCount = _fileStream->readUint16LE(); - _videoInfo.width = _fileStream->readUint16LE(); - _videoInfo.height = _fileStream->readUint16LE(); + + _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); @@ -70,45 +68,48 @@ bool FlicDecoder::loadFile(const char *fileName) { _fileStream = 0; return false; } + _fileStream->readUint16LE(); // flags // Note: The normal delay is a 32-bit integer (dword), whereas the overriden delay is a 16-bit integer (word) // frameDelay is the FLIC "speed", in milliseconds. Our frameDelay is calculated in 1/100 ms, so we convert it here - _videoInfo.frameDelay = 100 * _fileStream->readUint32LE(); - _videoInfo.frameRate = 100 * 1000 / _videoInfo.frameDelay; + uint32 frameDelay = 100 * _fileStream->readUint32LE(); + _frameRate = 100 * 1000 / frameDelay; _fileStream->seek(80); _offsetFrame1 = _fileStream->readUint32LE(); _offsetFrame2 = _fileStream->readUint32LE(); - _videoFrameBuffer = new byte[_videoInfo.width * _videoInfo.height]; + _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 - _videoInfo.currentFrame = -1; _fileStream->seek(_offsetFrame1); return true; } -void FlicDecoder::closeFile() { +void FlicDecoder::close() { if (!_fileStream) return; delete _fileStream; _fileStream = 0; - delete[] _videoFrameBuffer; - _videoFrameBuffer = 0; + _surface->free(); + delete _surface; + _surface = 0; free(_palette); - _dirtyRects.clear(); + + reset(); } void FlicDecoder::decodeByteRun(uint8 *data) { - byte *ptr = (uint8 *)_videoFrameBuffer; - while ((uint32)(ptr - _videoFrameBuffer) < (_videoInfo.width * _videoInfo.height)) { + byte *ptr = (byte *)_surface->pixels; + while ((int32)(ptr - (byte *)_surface->pixels) < (getWidth() * getHeight())) { int chunks = *data++; while (chunks--) { int count = (int8)*data++; @@ -125,7 +126,7 @@ void FlicDecoder::decodeByteRun(uint8 *data) { // Redraw _dirtyRects.clear(); - _dirtyRects.push_back(Common::Rect(0, 0, _videoInfo.width, _videoInfo.height)); + _dirtyRects.push_back(Common::Rect(0, 0, getWidth(), getHeight())); } #define OP_PACKETCOUNT 0 @@ -152,8 +153,8 @@ void FlicDecoder::decodeDeltaFLC(uint8 *data) { case OP_UNDEFINED: break; case OP_LASTPIXEL: - _videoFrameBuffer[currentLine * _videoInfo.width + _videoInfo.width - 1] = (opcode & 0xFF); - _dirtyRects.push_back(Common::Rect(_videoInfo.width - 1, currentLine, _videoInfo.width, currentLine + 1)); + *((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; @@ -168,14 +169,14 @@ void FlicDecoder::decodeDeltaFLC(uint8 *data) { column += *data++; int rleCount = (int8)*data++; if (rleCount > 0) { - memcpy(_videoFrameBuffer + (currentLine * _videoInfo.width) + column, data, rleCount * 2); + 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(_videoFrameBuffer + currentLine * _videoInfo.width + column + i * 2, dataWord); + 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 ? @@ -194,34 +195,40 @@ void FlicDecoder::decodeDeltaFLC(uint8 *data) { #define PSTAMP 18 #define FRAME_TYPE 0xF1FA -bool FlicDecoder::decodeNextFrame() { +Surface *FlicDecoder::decodeNextFrame() { // Read chunk uint32 frameSize = _fileStream->readUint32LE(); uint16 frameType = _fileStream->readUint16LE(); uint16 chunkCount = 0; switch (frameType) { - case FRAME_TYPE: { - chunkCount = _fileStream->readUint16LE(); - // Note: The overriden delay is a 16-bit integer (word), whereas the normal delay is a 32-bit integer (dword) - // frameDelay is the FLIC "speed", in milliseconds. Our frameDelay is calculated in 1/100 ms, so we convert it here - uint16 newFrameDelay = _fileStream->readUint16LE(); // "speed", in milliseconds - if (newFrameDelay > 0) { - _videoInfo.frameDelay = 100 * newFrameDelay; - _videoInfo.frameRate = 100 * 1000 / _videoInfo.frameDelay; - } - _fileStream->readUint16LE(); // reserved, always 0 - uint16 newWidth = _fileStream->readUint16LE(); - uint16 newHeight = _fileStream->readUint16LE(); - if (newWidth > 0) - _videoInfo.width = newWidth; - if (newHeight > 0) - _videoInfo.height = newHeight; - - _videoInfo.currentFrame++; - - if (_videoInfo.currentFrame == 0) - _videoInfo.startTime = g_system->getMillis(); + case FRAME_TYPE: + { + // FIXME: FLIC should be switched over to a variable frame rate VideoDecoder to handle + // this properly. + + chunkCount = _fileStream->readUint16LE(); + // Note: The overriden delay is a 16-bit integer (word), whereas the normal delay is a 32-bit integer (dword) + // frameDelay is the FLIC "speed", in milliseconds. Our frameDelay is calculated in 1/100 ms, so we convert it here + uint16 newFrameDelay = _fileStream->readUint16LE(); // "speed", in milliseconds + if (newFrameDelay > 0) + _frameRate = 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: @@ -239,7 +246,6 @@ bool FlicDecoder::decodeNextFrame() { switch (frameType) { case FLI_SETPAL: unpackPalette(data); - setPalette(_palette); _paletteChanged = true; break; case FLI_SS2: @@ -259,19 +265,25 @@ bool FlicDecoder::decodeNextFrame() { delete[] data; } } + + _curFrame++; + + if (_curFrame == 0) + _startTime = g_system->getMillis(); // If we just processed the ring frame, set the next frame - if (_videoInfo.currentFrame == (int32)_videoInfo.frameCount) { - _videoInfo.currentFrame = 0; + if (_curFrame == (int32)_frameCount) { + _curFrame = 0; _fileStream->seek(_offsetFrame2); } - return !endOfVideo(); + return _surface; } void FlicDecoder::reset() { - _videoInfo.currentFrame = -1; - _fileStream->seek(_offsetFrame1); + VideoDecoder::reset(); + if (_fileStream) + _fileStream->seek(_offsetFrame1); } void FlicDecoder::unpackPalette(uint8 *data) { @@ -303,7 +315,7 @@ 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, _videoFrameBuffer + y * _videoInfo.width + x, (*it).right - x); + memcpy(dst + y * pitch + x, (byte *)_surface->pixels + y * getWidth() + x, (*it).right - x); } } _dirtyRects.clear(); diff --git a/graphics/video/flic_decoder.h b/graphics/video/flic_decoder.h index b0a2b771b1..60d68889a2 100644 --- a/graphics/video/flic_decoder.h +++ b/graphics/video/flic_decoder.h @@ -23,10 +23,10 @@ * */ -#ifndef GRAPHICS_VIDEO_FlicDecoder_H -#define GRAPHICS_VIDEO_FlicDecoder_H +#ifndef GRAPHICS_VIDEO_FLICDECODER_H +#define GRAPHICS_VIDEO_FLICDECODER_H -#include "graphics/video/video_player.h" +#include "graphics/video/video_decoder.h" #include "common/list.h" #include "common/rect.h" @@ -42,35 +42,42 @@ namespace Graphics { * Video decoder used in engines: * - tucker */ -class FlicDecoder : public VideoDecoder { +class FlicDecoder : public FixedRateVideoDecoder { public: FlicDecoder(); virtual ~FlicDecoder(); /** - * Load a FLIC encoded video file - * @param filename the filename to load + * Load a video file + * @param stream the stream to load */ - bool loadFile(const char *fileName); + bool load(Common::SeekableReadStream &stream); + void close(); /** - * Close a FLIC encoded video file + * Decode the next frame and return the frame's surface + * @note the return surface should *not* be freed + * @note this may return 0, in which case the last frame should be kept on screen */ - void closeFile(); + Surface *decodeNextFrame(); - /** - * Decode the next frame - */ - bool decodeNextFrame(); + bool isVideoLoaded() const { return _fileStream != 0; } + uint16 getWidth() const { return _surface->w; } + uint16 getHeight() const { return _surface->h; } + uint32 getFrameCount() const { return _frameCount; } + PixelFormat getPixelFormat() const { return PixelFormat::createFormatCLUT8(); } const Common::List<Common::Rect> *getDirtyRects() const { return &_dirtyRects; } void clearDirtyRects() { _dirtyRects.clear(); } void copyDirtyRectsToBuffer(uint8 *dst, uint pitch); - const byte *getPalette() { _paletteChanged = false; return _palette; } - bool paletteChanged() { return _paletteChanged; } + byte *getPalette() { _paletteChanged = false; return _palette; } + bool hasDirtyPalette() { return _paletteChanged; } void reset(); +protected: + Common::Rational getFrameRate() const { return _frameRate; } + private: uint16 _offsetFrame1; uint16 _offsetFrame2; @@ -81,8 +88,12 @@ private: void decodeDeltaFLC(uint8 *data); void unpackPalette(uint8 *mem); - Common::List<Common::Rect> _dirtyRects; + Common::SeekableReadStream *_fileStream; + Surface *_surface; + uint32 _frameCount; + uint32 _frameRate; + Common::List<Common::Rect> _dirtyRects; }; } // End of namespace Graphics diff --git a/graphics/video/smk_decoder.cpp b/graphics/video/smk_decoder.cpp index 2f796c4a65..68fac32aae 100644 --- a/graphics/video/smk_decoder.cpp +++ b/graphics/video/smk_decoder.cpp @@ -351,52 +351,28 @@ uint32 BigHuffmanTree::getCode(BitStream &bs) { SmackerDecoder::SmackerDecoder(Audio::Mixer *mixer, Audio::Mixer::SoundType soundType) : _audioStarted(false), _audioStream(0), _mixer(mixer), _soundType(soundType) { + _surface = 0; + _fileStream = 0; + _dirtyPalette = false; } SmackerDecoder::~SmackerDecoder() { - closeFile(); + close(); } -int SmackerDecoder::getHeight() { - if (!_fileStream) - return 0; - return (_header.flags ? 2 : 1) * _videoInfo.height; -} - -int32 SmackerDecoder::getAudioLag() { - if (!_fileStream) - return 0; +uint32 SmackerDecoder::getElapsedTime() const { + if (_audioStream) + return _mixer->getSoundElapsedTime(_audioHandle); - int32 frameDelay = getFrameDelay(); - int32 videoTime = (_videoInfo.currentFrame + 1) * frameDelay; - int32 audioTime; - - if (!_audioStream) { - /* No audio. - Calculate the lag by how much time has gone by since the first frame - and how much time *should* have passed. - */ - - audioTime = (g_system->getMillis() - _videoInfo.startTime) * 100; - } else { - const Audio::Timestamp ts = _mixer->getElapsedTime(_audioHandle); - audioTime = ts.convertToFramerate(100000).totalNumberOfFrames(); - } - - return videoTime - audioTime; + return VideoDecoder::getElapsedTime(); } -bool SmackerDecoder::loadFile(const char *fileName) { - int32 frameRate; - - closeFile(); +bool SmackerDecoder::load(Common::SeekableReadStream &stream) { + close(); - _fileStream = SearchMan.createReadStreamForMember(fileName); - if (!_fileStream) - return false; + _fileStream = &stream; // Seek to the first frame - _videoInfo.currentFrame = -1; _header.signature = _fileStream->readUint32BE(); // No BINK support available @@ -408,21 +384,17 @@ bool SmackerDecoder::loadFile(const char *fileName) { assert(_header.signature == MKID_BE('SMK2') || _header.signature == MKID_BE('SMK4')); - _videoInfo.width = _fileStream->readUint32LE(); - _videoInfo.height = _fileStream->readUint32LE(); - _videoInfo.frameCount = _fileStream->readUint32LE(); - frameRate = _fileStream->readSint32LE(); - - if (frameRate > 0) { - _videoInfo.frameRate = 1000 / frameRate; - _videoInfo.frameDelay = frameRate * 100; - } else if (frameRate < 0) { - _videoInfo.frameRate = 100000 / (-frameRate); - _videoInfo.frameDelay = -frameRate; - } else { - _videoInfo.frameRate = 10; - _videoInfo.frameDelay = 10000; - } + uint32 width = _fileStream->readUint32LE(); + uint32 height = _fileStream->readUint32LE(); + _frameCount = _fileStream->readUint32LE(); + int32 frameRate = _fileStream->readSint32LE(); + + if (frameRate > 0) + _frameRate = 1000 / frameRate; + else if (frameRate < 0) + _frameRate = 100000 / (-frameRate); + else + _frameRate = 10; // Flags are determined by which bit is set, which can be one of the following: // 0 - set to 1 if file contains a ring frame. @@ -447,7 +419,6 @@ bool SmackerDecoder::loadFile(const char *fileName) { _header.fullSize = _fileStream->readUint32LE(); _header.typeSize = _fileStream->readUint32LE(); - uint32 audioInfo; for (i = 0; i < 7; ++i) { // AudioRate - Frequency and format information for each sound track, up to 7 audio tracks. // The 32 constituent bits have the following meaning: @@ -458,7 +429,7 @@ bool SmackerDecoder::loadFile(const char *fileName) { // * bits 27-26 - if both set to zero - use v2 sound decompression // * bits 25-24 - unused // * bits 23-0 - audio sample rate - audioInfo = _fileStream->readUint32LE(); + uint32 audioInfo = _fileStream->readUint32LE(); _header.audioInfo[i].isCompressed = audioInfo & 0x80000000; _header.audioInfo[i].hasAudio = audioInfo & 0x40000000; _header.audioInfo[i].is16Bits = audioInfo & 0x20000000; @@ -467,19 +438,18 @@ bool SmackerDecoder::loadFile(const char *fileName) { !(audioInfo & 0x4000000); _header.audioInfo[i].sampleRate = audioInfo & 0xFFFFFF; - if (_header.audioInfo[i].hasAudio && i == 0) { + if (_header.audioInfo[i].hasAudio && i == 0) _audioStream = Audio::makeQueuingAudioStream(_header.audioInfo[0].sampleRate, _header.audioInfo[0].isStereo); - } } _header.dummy = _fileStream->readUint32LE(); - _frameSizes = (uint32 *)malloc(_videoInfo.frameCount * sizeof(uint32)); - for (i = 0; i < _videoInfo.frameCount; ++i) + _frameSizes = new uint32[_frameCount]; + for (i = 0; i < _frameCount; ++i) _frameSizes[i] = _fileStream->readUint32LE(); - _frameTypes = (byte *)malloc(_videoInfo.frameCount); - for (i = 0; i < _videoInfo.frameCount; ++i) + _frameTypes = new byte[_frameCount]; + for (i = 0; i < _frameCount; ++i) _frameTypes[i] = _fileStream->readByte(); byte *huffmanTrees = new byte[_header.treesSize]; @@ -494,17 +464,17 @@ bool SmackerDecoder::loadFile(const char *fileName) { delete[] huffmanTrees; - _videoFrameBuffer = (byte *)malloc(2 * _videoInfo.width * _videoInfo.height); - memset(_videoFrameBuffer, 0, 2 * _videoInfo.width * _videoInfo.height); - _palette = (byte *)malloc(3 * 256); - memset(_palette, 0, 3 * 256); + _surface = new Graphics::Surface(); - _videoInfo.firstframeOffset = _fileStream->pos(); + // Height needs to be doubled if we have flags (Y-interlaced or Y-doubled) + _surface->create(width, height * (_header.flags ? 2 : 1), 1); + _palette = (byte *)malloc(3 * 256); + memset(_palette, 0, 3 * 256); return true; } -void SmackerDecoder::closeFile() { +void SmackerDecoder::close() { if (!_fileStream) return; @@ -517,40 +487,42 @@ void SmackerDecoder::closeFile() { delete _fileStream; _fileStream = 0; + _surface->free(); + delete _surface; + _surface = 0; + delete _MMapTree; delete _MClrTree; delete _FullTree; delete _TypeTree; - free(_frameSizes); - free(_frameTypes); - free(_videoFrameBuffer); + delete[] _frameSizes; + delete[] _frameTypes; free(_palette); + + reset(); } -bool SmackerDecoder::decodeNextFrame() { +Surface *SmackerDecoder::decodeNextFrame() { uint i; uint32 chunkSize = 0; uint32 dataSizeUnpacked = 0; uint32 startPos = _fileStream->pos(); - _videoInfo.currentFrame++; - - if (_videoInfo.currentFrame == 0) - _videoInfo.startTime = g_system->getMillis(); + _curFrame++; // Check if we got a frame with palette data, and // call back the virtual setPalette function to set // the current palette - if (_frameTypes[_videoInfo.currentFrame] & 1) { + if (_frameTypes[_curFrame] & 1) { unpackPalette(); - setPalette(_palette); + _dirtyPalette = true; } // Load audio tracks for (i = 0; i < 7; ++i) { - if (!(_frameTypes[_videoInfo.currentFrame] & (2 << i))) + if (!(_frameTypes[_curFrame] & (2 << i))) continue; chunkSize = _fileStream->readUint32LE(); @@ -598,10 +570,10 @@ bool SmackerDecoder::decodeNextFrame() { } } - uint32 frameSize = _frameSizes[_videoInfo.currentFrame] & ~3; + uint32 frameSize = _frameSizes[_curFrame] & ~3; if (_fileStream->pos() - startPos > frameSize) - exit(1); + error("Smacker actual frame size exceeds recorded frame size"); uint32 frameDataSize = frameSize - (_fileStream->pos() - startPos); @@ -615,13 +587,14 @@ bool SmackerDecoder::decodeNextFrame() { _FullTree->reset(); _TypeTree->reset(); - uint bw = _videoInfo.width / 4; - uint bh = _videoInfo.height / 4; - uint stride = _videoInfo.width; - uint block = 0, blocks = bw*bh; - + // Height needs to be doubled if we have flags (Y-interlaced or Y-doubled) uint doubleY = _header.flags ? 2 : 1; + uint bw = getWidth() / 4; + uint bh = getHeight() / doubleY / 4; + uint stride = getWidth(); + uint block = 0, blocks = bw*bh; + byte *out; uint type, run, j, mode; uint32 p1, p2, clr, map; @@ -636,7 +609,7 @@ bool SmackerDecoder::decodeNextFrame() { while (run-- && block < blocks) { clr = _MClrTree->getCode(bs); map = _MMapTree->getCode(bs); - out = _videoFrameBuffer + (block / bw) * (stride * 4 * doubleY) + (block % bw) * 4; + out = (byte *)_surface->pixels + (block / bw) * (stride * 4 * doubleY) + (block % bw) * 4; hi = clr >> 8; lo = clr & 0xff; for (i = 0; i < 4; i++) { @@ -669,7 +642,7 @@ bool SmackerDecoder::decodeNextFrame() { } while (run-- && block < blocks) { - out = _videoFrameBuffer + (block / bw) * (stride * 4 * doubleY) + (block % bw) * 4; + out = (byte *)_surface->pixels + (block / bw) * (stride * 4 * doubleY) + (block % bw) * 4; switch (mode) { case 0: for (i = 0; i < 4; ++i) { @@ -735,7 +708,7 @@ bool SmackerDecoder::decodeNextFrame() { uint32 col; mode = type >> 8; while (run-- && block < blocks) { - out = _videoFrameBuffer + (block / bw) * (stride * 4 * doubleY) + (block % bw) * 4; + out = (byte *)_surface->pixels + (block / bw) * (stride * 4 * doubleY) + (block % bw) * 4; col = mode * 0x01010101; for (i = 0; i < 4 * doubleY; ++i) { out[0] = out[1] = out[2] = out[3] = col; @@ -751,7 +724,10 @@ bool SmackerDecoder::decodeNextFrame() { free(_frameData); - return !endOfVideo(); + if (_curFrame == 0) + _startTime = g_system->getMillis(); + + return _surface; } void SmackerDecoder::queueCompressedBuffer(byte *buffer, uint32 bufferSize, @@ -806,15 +782,12 @@ void SmackerDecoder::queueCompressedBuffer(byte *buffer, uint32 bufferSize, // If the sample is stereo, the data is stored for the left and right channel, respectively // (the exact opposite to the base values) if (!is16Bits) { - for (int k = 0; k < (isStereo ? 2 : 1); k++) { bases[k] += (int8) ((int16) audioTrees[k]->getCode(audioBS)); *curPointer++ = CLIP<int>(bases[k], 0, 255) ^ 0x80; curPos++; } - } else { - for (int k = 0; k < (isStereo ? 2 : 1); k++) { bases[k] += (int16) (audioTrees[k * 2]->getCode(audioBS) | (audioTrees[k * 2 + 1]->getCode(audioBS) << 8)); @@ -887,7 +860,6 @@ void SmackerDecoder::unpackPalette() { } _fileStream->seek(startPos + len); - free(chunk); } diff --git a/graphics/video/smk_decoder.h b/graphics/video/smk_decoder.h index 443d063138..437f47f2d6 100644 --- a/graphics/video/smk_decoder.h +++ b/graphics/video/smk_decoder.h @@ -26,7 +26,7 @@ #ifndef GRAPHICS_VIDEO_SMK_PLAYER_H #define GRAPHICS_VIDEO_SMK_PLAYER_H -#include "graphics/video/video_player.h" +#include "graphics/video/video_decoder.h" #include "sound/mixer.h" namespace Audio { @@ -51,27 +51,28 @@ class BigHuffmanTree; * - sword1 * - sword2 */ -class SmackerDecoder : public VideoDecoder { +class SmackerDecoder : public FixedRateVideoDecoder { public: SmackerDecoder(Audio::Mixer *mixer, Audio::Mixer::SoundType soundType = Audio::Mixer::kSFXSoundType); virtual ~SmackerDecoder(); - int getHeight(); - int32 getAudioLag(); + bool load(Common::SeekableReadStream &stream); + void close(); - /** - * Load an SMK encoded video file - * @param filename the filename to load - */ - bool loadFile(const char *filename); + bool isVideoLoaded() const { return _fileStream != 0; } + uint16 getWidth() const { return _surface->w; } + uint16 getHeight() const { return _surface->h; } + uint32 getFrameCount() const { return _frameCount; } + uint32 getElapsedTime() const; + Surface *decodeNextFrame(); + PixelFormat getPixelFormat() const { return PixelFormat::createFormatCLUT8(); } + byte *getPalette() { _dirtyPalette = false; return _palette; } + bool hasDirtyPalette() const { return _dirtyPalette; } - /** - * Close an SMK encoded video file - */ - void closeFile(); - - bool decodeNextFrame(); +protected: + Common::Rational getFrameRate() const { return _frameRate; } + Common::SeekableReadStream *_fileStream; private: void unpackPalette(); @@ -111,6 +112,11 @@ private: byte *_frameData; // The RGB palette byte *_palette; + bool _dirtyPalette; + + uint32 _frameRate; + uint32 _frameCount; + Surface *_surface; Audio::Mixer::SoundType _soundType; Audio::Mixer *_mixer; diff --git a/graphics/video/video_decoder.cpp b/graphics/video/video_decoder.cpp new file mode 100644 index 0000000000..a3f63921a8 --- /dev/null +++ b/graphics/video/video_decoder.cpp @@ -0,0 +1,101 @@ +/* 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/video_decoder.h" + +#include "common/file.h" +#include "common/system.h" + +namespace Graphics { + +VideoDecoder::VideoDecoder() { + reset(); +} + +bool VideoDecoder::loadFile(const Common::String &filename) { + Common::File *file = new Common::File(); + + if (!file->open(filename)) { + delete file; + return false; + } + + return load(*file); +} + +uint32 VideoDecoder::getElapsedTime() const { + return g_system->getMillis() - _startTime; +} + +void VideoDecoder::setSystemPalette() { + byte *vidPalette = getPalette(); + byte *sysPalette = new byte[256 * 4]; + + for (uint16 i = 0; i < 256; i++) { + sysPalette[i * 4] = vidPalette[i * 3]; + sysPalette[i * 4 + 1] = vidPalette[i * 3 + 1]; + sysPalette[i * 4 + 2] = vidPalette[i * 3 + 2]; + sysPalette[i * 4 + 3] = 0; + } + + g_system->setPalette(sysPalette, 0, 256); + delete[] sysPalette; +} + +bool VideoDecoder::needsUpdate() const { + return !endOfVideo() && getTimeToNextFrame() == 0; +} + +void VideoDecoder::reset() { + _curFrame = -1; + _startTime = 0; +} + +bool VideoDecoder::endOfVideo() const { + return !isVideoLoaded() || (getCurFrame() >= (int32)getFrameCount() - 1); +} + +uint32 FixedRateVideoDecoder::getTimeToNextFrame() const { + if (endOfVideo() || _curFrame < 0) + return 0; + + uint32 elapsedTime = getElapsedTime(); + uint32 nextFrameStartTime = getFrameBeginTime(_curFrame + 1); + + // If the time that the next frame should be shown has past + // the frame should be shown ASAP. + if (nextFrameStartTime <= elapsedTime) + return 0; + + return nextFrameStartTime - elapsedTime; +} + +uint32 FixedRateVideoDecoder::getFrameBeginTime(uint32 frame) const { + Common::Rational beginTime = frame * 1000; + beginTime /= getFrameRate(); + return beginTime.toInt(); +} + +} // End of namespace Graphics diff --git a/graphics/video/video_decoder.h b/graphics/video/video_decoder.h new file mode 100644 index 0000000000..62aa496148 --- /dev/null +++ b/graphics/video/video_decoder.h @@ -0,0 +1,184 @@ +/* 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. + * + * $URL$ + * $Id$ + * + */ + +#ifndef GRAPHICS_VIDEO_PLAYER_H +#define GRAPHICS_VIDEO_PLAYER_H + +#include "common/events.h" +#include "common/list.h" +#include "common/rational.h" +#include "common/stream.h" + +#include "graphics/surface.h" +#include "graphics/pixelformat.h" + +namespace Common { + class SeekableReadStream; +} + +namespace Graphics { + +/** + * Implementation of a generic video decoder + */ +class VideoDecoder { +public: + VideoDecoder(); + virtual ~VideoDecoder() {} + + /** + * Returns the width of the video + * @return the width of the video + */ + virtual uint16 getWidth() const = 0; + + /** + * Returns the height of the video + * @return the height of the video + */ + virtual uint16 getHeight() const = 0; + + /** + * Returns the current frame number of the video + * @return the last frame decoded by the video + */ + virtual int32 getCurFrame() const { return _curFrame; } + + /** + * Returns the amount of frames in the video + * @return the amount of frames in the video + */ + virtual uint32 getFrameCount() const = 0; + + /** + * Returns the time (in ms) that the video has been running + */ + virtual uint32 getElapsedTime() const; + + /** + * Returns whether a frame should be decoded or not + * @return whether a frame should be decoded or not + */ + virtual bool needsUpdate() const; + + /** + * Load a video file + * @param filename the filename to load + */ + virtual bool loadFile(const Common::String &filename); + + /** + * Load a video file + * @param stream the stream to load + */ + virtual bool load(Common::SeekableReadStream &stream) = 0; + + /** + * Close a video file + */ + virtual void close() = 0; + + /** + * Returns if a video file is loaded or not + */ + virtual bool isVideoLoaded() const = 0; + + /** + * Decode the next frame and return the frame's surface + * @note the return surface should *not* be freed + * @note this may return 0, in which case the last frame should be kept on screen + */ + virtual Surface *decodeNextFrame() = 0; + + /** + * Get the pixel format of the video + */ + virtual PixelFormat getPixelFormat() const = 0; + + /** + * Get the palette for the video in RGB format (if 8bpp or less) + */ + virtual byte *getPalette() { return 0; } + + /** + * Returns if the palette is dirty or not + */ + virtual bool hasDirtyPalette() const { return false; } + + /** + * Add the time the video has been paused to maintain sync + */ + virtual void addPauseTime(uint32 ms) { _startTime += ms; } + + /** + * Returns if the video is finished or not + */ + virtual bool endOfVideo() const; + + /** + * Set the current palette to the system palette + */ + void setSystemPalette(); + + /** + * Return the time until the next frame (in ms) + */ + virtual uint32 getTimeToNextFrame() const = 0; + +protected: + /** + * Resets _curFrame and _startTime. Should be called from every close() function. + */ + void reset(); + + int32 _curFrame; + uint32 _startTime; +}; + +/** + * A VideoDecoder wrapper that implements getTimeToNextFrame() based on getFrameRate(). + */ +class FixedRateVideoDecoder : public VideoDecoder { +public: + FixedRateVideoDecoder() {} + virtual ~FixedRateVideoDecoder() {} + + uint32 getTimeToNextFrame() const; + +protected: + /** + * Return the frame rate in frames per second + * This returns a Rational because videos can have rates that are not integers and + * there are some videos with frame rates < 1. + */ + virtual Common::Rational getFrameRate() const = 0; + +private: + uint32 getFrameBeginTime(uint32 frame) const; +}; + +} // End of namespace Graphics + +#endif diff --git a/graphics/video/video_player.cpp b/graphics/video/video_player.cpp deleted file mode 100644 index a8676ed594..0000000000 --- a/graphics/video/video_player.cpp +++ /dev/null @@ -1,245 +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 "common/archive.h" -#include "common/debug.h" -#include "common/events.h" -#include "common/system.h" -#include "common/util.h" -#include "common/array.h" -#include "common/endian.h" - -#include "graphics/video/video_player.h" -#include "graphics/surface.h" - -namespace Graphics { - -VideoDecoder::VideoDecoder() : _fileStream(0) { - _curFrameBlack = 0; - _curFrameWhite = 255; - _videoInfo.currentFrame = -1; -} - -VideoDecoder::~VideoDecoder() { -} - -int VideoDecoder::getWidth() { - if (!_fileStream) - return 0; - return _videoInfo.width; -} - -int VideoDecoder::getHeight() { - if (!_fileStream) - return 0; - return _videoInfo.height; -} - -int32 VideoDecoder::getCurFrame() const { - return _videoInfo.currentFrame; -} - -int32 VideoDecoder::getFrameCount() const { - if (!_fileStream) - return 0; - return _videoInfo.frameCount; -} - -int32 VideoDecoder::getFrameRate() { - if (!_fileStream) - return 0; - return _videoInfo.frameRate; -} - -int32 VideoDecoder::getFrameDelay() { - if (!_fileStream) - return 0; - return _videoInfo.frameDelay; -} - -int32 VideoDecoder::getAudioLag() { - if (!_fileStream) - return 0; - - /* No audio. - Calculate the lag by how much time has gone by since the first frame - and how much time *should* have passed. - */ - int32 audioTime = (g_system->getMillis() - _videoInfo.startTime) * 100; - int32 videoTime = _videoInfo.currentFrame * getFrameDelay(); - - return videoTime - audioTime; -} - -uint32 VideoDecoder::getFrameWaitTime() { - int32 waitTime = (getFrameDelay() + getAudioLag()) / 100; - - if (waitTime < 0) - return 0; - - return waitTime; -} - -void VideoDecoder::copyFrameToBuffer(byte *dst, uint x, uint y, uint pitch) { - uint h = getHeight(); - uint w = getWidth(); - - byte *src = _videoFrameBuffer; - dst += y * pitch + x; - - do { - memcpy(dst, src, w); - dst += pitch; - src += w; - } while (--h); -} - -void VideoDecoder::setPalette(byte *pal) { - byte videoPalette[256 * 4]; - - uint32 maxWeight = 0; - uint32 minWeight = 0xFFFFFFFF; - uint32 weight = 0; - byte r, g, b; - - for (int i = 0; i < 256; i++) { - videoPalette[i * 4 + 0] = *pal++; - videoPalette[i * 4 + 1] = *pal++; - videoPalette[i * 4 + 2] = *pal++; - videoPalette[i * 4 + 3] = 0; - - // Try and find the white and black colors for the current palette - r = videoPalette[i * 4 + 0]; - g = videoPalette[i * 4 + 1]; - b = videoPalette[i * 4 + 2]; - - weight = 3 * r * r + 6 * g * g + 2 * b * b; - - if (weight >= maxWeight) { - _curFrameWhite = i; - maxWeight = weight; - } - - if (weight <= minWeight) { - _curFrameBlack = i; - minWeight = i; - } - } - - g_system->setPalette(videoPalette, 0, 256); -} - -bool VideoDecoder::endOfVideo() const { - return !isVideoLoaded() || getCurFrame() >= (int32)getFrameCount() - 1; -} - - -/* - * VideoPlayer - */ - -void VideoPlayer::processVideoEvents(Common::List<Common::Event> &stopEvents) { - Common::Event curEvent; - Common::EventManager *eventMan = g_system->getEventManager(); - - // Process events, and skip video if esc is pressed - while (eventMan->pollEvent(curEvent)) { - if (curEvent.type == Common::EVENT_RTL || curEvent.type == Common::EVENT_QUIT) { - _skipVideo = true; - } - - for (Common::List<Common::Event>::const_iterator iter = stopEvents.begin(); iter != stopEvents.end(); ++iter) { - if (curEvent.type == iter->type) { - if (iter->type == Common::EVENT_KEYDOWN || iter->type == Common::EVENT_KEYUP) { - if (curEvent.kbd.keycode == iter->kbd.keycode) { - _skipVideo = true; - break; - } - } else { - _skipVideo = true; - break; - } - } - } - } -} - -bool VideoPlayer::playVideo(Common::List<Common::Event> &stopEvents) { - _skipVideo = false; - debug(0, "Playing video"); - - g_system->fillScreen(0); - - int frameX = (g_system->getWidth() - _decoder->getWidth()) / 2; - int frameY = (g_system->getHeight() - _decoder->getHeight()) / 2; - - while (!_decoder->endOfVideo() && !_skipVideo) { - processVideoEvents(stopEvents); - - uint32 startTime = 0; - _decoder->decodeNextFrame(); - - Graphics::Surface *screen = g_system->lockScreen(); - _decoder->copyFrameToBuffer((byte *)screen->pixels, frameX, frameY, g_system->getWidth()); - performPostProcessing((byte *)screen->pixels); - g_system->unlockScreen(); - - uint32 waitTime = _decoder->getFrameWaitTime(); - - if (!waitTime) { - warning("dropped frame %i", _decoder->getCurFrame()); - continue; - } - - // Update the screen - g_system->updateScreen(); - - startTime = g_system->getMillis(); - - // Wait before showing the next frame - while (g_system->getMillis() < startTime + waitTime && !_skipVideo) { - processVideoEvents(stopEvents); - g_system->delayMillis(10); - } - } - - return !_skipVideo; -} - -bool VideoPlayer::playVideo() { - Common::Event stopEvent; - Common::List<Common::Event> stopEvents; - stopEvents.clear(); - stopEvent.type = Common::EVENT_KEYDOWN; - stopEvent.kbd = Common::KEYCODE_ESCAPE; - stopEvents.push_back(stopEvent); - - return playVideo(stopEvents); -} - -void VideoPlayer::performPostProcessing(byte *screen) { -} - -} // End of namespace Graphics diff --git a/graphics/video/video_player.h b/graphics/video/video_player.h deleted file mode 100644 index 4f38bd9740..0000000000 --- a/graphics/video/video_player.h +++ /dev/null @@ -1,221 +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. - * - * $URL$ - * $Id$ - * - */ - -#ifndef GRAPHICS_VIDEO_PLAYER_H -#define GRAPHICS_VIDEO_PLAYER_H - -#include "common/events.h" -#include "common/list.h" -#include "common/stream.h" - -namespace Common { - class SeekableReadStream; -} - -namespace Graphics { - -/** - * Implementation of a generic video decoder - */ -class VideoDecoder { -public: - VideoDecoder(); - virtual ~VideoDecoder(); - - /** - * Returns the width of the video - * @return the width of the video - */ - virtual int getWidth(); - - /** - * Returns the height of the video - * @return the height of the video - */ - virtual int getHeight(); - - /** - * Returns the current frame number of the video - * @return the current frame number of the video - */ - virtual int32 getCurFrame() const; - - /** - * Returns the amount of frames in the video - * @return the amount of frames in the video - */ - virtual int32 getFrameCount() const; - - /** - * Returns the frame rate of the video - * @return the frame rate of the video - */ - virtual int32 getFrameRate(); - - /** - * Returns the time to wait for each frame in 1/100 ms (to avoid rounding errors) - * @return the time to wait for each frame in 1/100 ms (to avoid rounding errors) - */ - virtual int32 getFrameDelay(); - - /** - * Returns the current A/V lag in 1/100 ms (to avoid rounding errors) - * If > 0, audio lags behind - * If < 0, video lags behind - * @return the current A/V lag in 1/100 ms (to avoid rounding errors) - */ - virtual int32 getAudioLag(); - - /** - * Returns the time to wait until the next frame in ms, minding any lag - * @return the time to wait until the next frame in ms - */ - virtual uint32 getFrameWaitTime(); - - /** - * Load a video file - * @param filename the filename to load - */ - virtual bool loadFile(const char *filename) = 0; - - /** - * Close a video file - */ - virtual void closeFile() = 0; - - /** - * Returns if a video file is loaded or not - */ - bool isVideoLoaded() const { return (_fileStream != NULL); } - - /** - * Set RGB palette, based on current frame - * @param pal the RGB palette data - */ - virtual void setPalette(byte *pal); - - /** - * Gets the value of the pixel at the specified x and y coordinates - * Note: This method assumes that the video's pitch equals its width, and that - * the video has an 8bpp palette - * @param x the x coordinate of the pixel - * @param y the y coordinate of the pixel - */ - byte getPixel(int x, int y) { - return *(_videoFrameBuffer + y * _videoInfo.width + x * 1); - } - - /** - * Gets the value of the pixel at the specified offset - * @param offset the offset of the pixel in the video buffer - */ - byte getPixel(int offset) { return getPixel(offset, 0); } - - /** - * Return the black palette color for the current frame - */ - byte getBlack() { return _curFrameBlack; } - - /** - * Return the white palette color for the current frame - */ - byte getWhite() { return _curFrameWhite; } - - /** - * Copy current frame into the specified position of the destination - * buffer. - * @param dst the buffer - * @param x the x position of the buffer - * @param y the y position of the buffer - * @param pitch the pitch of buffer - */ - void copyFrameToBuffer(byte *dst, uint x, uint y, uint pitch); - - /** - * Decode the next frame to _videoFrameBuffer - */ - virtual bool decodeNextFrame() = 0; - - /** - * Returns if the video is finished or not - */ - virtual bool endOfVideo() const; - -protected: - struct { - uint32 width; - uint32 height; - uint32 frameCount; - int32 frameRate; - int32 frameDelay; // 1/100 ms (to avoid rounding errors) - uint32 firstframeOffset; - int32 currentFrame; - uint32 startTime; - } _videoInfo; - - byte _curFrameBlack, _curFrameWhite; - - Common::SeekableReadStream *_fileStream; - byte *_videoFrameBuffer; -}; - -class VideoPlayer { -public: - VideoPlayer(VideoDecoder* decoder) : _skipVideo(false), _decoder(decoder) - { } - virtual ~VideoPlayer() { } - /** - * A default implementation of a video player - * Plays a non-interactive full screen video till it's stopped by a - * specific event - * @param filename the name of the file to play - * @param stopEvents a list of events that can stop the video - * - * Returns true if the video was played to the end, false if skipped - */ - bool playVideo(Common::List<Common::Event> &stopEvents); - - /** - * Provides the same functionality as the video player, and it adds the - * event of skipping the video with the escape key by default - */ - bool playVideo(); - -protected: - /** - * Perform postprocessing once the frame data is copied to the screen, - * right before the frame is drawn. Called by playVideo() - */ - virtual void performPostProcessing(byte *screen); - - bool _skipVideo; - VideoDecoder* _decoder; - - void processVideoEvents(Common::List<Common::Event> &stopEvents); -}; - -} // End of namespace Graphics - -#endif |