mirror of
https://github.com/libretro/scummvm.git
synced 2025-01-05 01:00:48 +00:00
404 lines
11 KiB
C++
404 lines
11 KiB
C++
/* 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 "groovie/groovie.h"
|
|
#include "groovie/roq.h"
|
|
|
|
#include "sound/mixer.h"
|
|
|
|
namespace Groovie {
|
|
|
|
ROQPlayer::ROQPlayer(GroovieEngine *vm) :
|
|
VideoPlayer(vm) {
|
|
}
|
|
|
|
ROQPlayer::~ROQPlayer() {
|
|
}
|
|
|
|
uint16 ROQPlayer::loadInternal() {
|
|
// Begin reading the file
|
|
debugC(1, kGroovieDebugVideo | kGroovieDebugAll, "Groovie::ROQ: Loading video");
|
|
|
|
// Read the file header
|
|
ROQBlockHeader blockHeader;
|
|
if (!readBlockHeader(blockHeader)) {
|
|
return 0;
|
|
}
|
|
if (blockHeader.type != 0x1084 || blockHeader.size != 0 || blockHeader.param != 0) {
|
|
return 0;
|
|
}
|
|
|
|
// Hardcoded FPS
|
|
return 25;
|
|
}
|
|
|
|
bool ROQPlayer::playFrameInternal() {
|
|
debugC(5, kGroovieDebugVideo | kGroovieDebugAll, "Groovie::ROQ: Playing frame");
|
|
|
|
// Process the needed blocks until the next video frame
|
|
bool endframe = false;
|
|
while (!endframe && !_file->eos()) {
|
|
endframe = processBlock();
|
|
}
|
|
|
|
// Wait until the current frame can be shown
|
|
waitFrame();
|
|
|
|
// Update the screen
|
|
_syst->updateScreen();
|
|
|
|
// Return whether the video has ended
|
|
return _file->eos();
|
|
}
|
|
|
|
bool ROQPlayer::readBlockHeader(ROQBlockHeader &blockHeader) {
|
|
if (_file->eos()) {
|
|
return false;
|
|
} else {
|
|
blockHeader.type = _file->readUint16LE();
|
|
blockHeader.size = _file->readUint32LE();
|
|
blockHeader.param = _file->readUint16LE();
|
|
|
|
debugC(10, kGroovieDebugVideo | kGroovieDebugAll, "Groovie::ROQ: Block type = 0x%02X", blockHeader.type);
|
|
debugC(10, kGroovieDebugVideo | kGroovieDebugAll, "Groovie::ROQ: Block size = 0x%08X", blockHeader.size);
|
|
debugC(10, kGroovieDebugVideo | kGroovieDebugAll, "Groovie::ROQ: Block param = 0x%04X", blockHeader.param);
|
|
|
|
return true;
|
|
}
|
|
}
|
|
|
|
bool ROQPlayer::processBlock() {
|
|
// Read the header of the block
|
|
ROQBlockHeader blockHeader;
|
|
if (!readBlockHeader(blockHeader)) {
|
|
return true;
|
|
}
|
|
|
|
bool ok = true;
|
|
bool endframe = false;
|
|
switch (blockHeader.type) {
|
|
case 0x1001: // Video info
|
|
ok = processBlockInfo(blockHeader);
|
|
break;
|
|
case 0x1002: // Quad codebook definition
|
|
ok = processBlockQuadCodebook(blockHeader);
|
|
break;
|
|
case 0x1011: // Quad vector quantised video frame
|
|
ok = processBlockQuadVector(blockHeader);
|
|
endframe = true;
|
|
break;
|
|
case 0x1012: // Still image (JPEG)
|
|
ok = processBlockStill(blockHeader);
|
|
endframe = true;
|
|
break;
|
|
case 0x1013: // Hang
|
|
//warning("Groovie::ROQ: Hang block (skipped)");
|
|
break;
|
|
case 0x1020: // Mono sound samples
|
|
ok = processBlockSoundMono(blockHeader);
|
|
break;
|
|
case 0x1021: // Stereo sound samples
|
|
ok = processBlockSoundStereo(blockHeader);
|
|
break;
|
|
case 0x1030: // Audio container
|
|
ok = processBlockAudioContainer(blockHeader);
|
|
break;
|
|
default:
|
|
error("Groovie::ROQ: Unknown block type: 0x%04X", blockHeader.type);
|
|
ok = false;
|
|
}
|
|
|
|
// End the frame when the graphics have been modified or when there's an error
|
|
return endframe || !ok;
|
|
}
|
|
|
|
bool ROQPlayer::processBlockInfo(ROQBlockHeader &blockHeader) {
|
|
debugC(5, kGroovieDebugVideo | kGroovieDebugAll, "Groovie::ROQ: Processing info block");
|
|
|
|
// Verify the block header
|
|
if (blockHeader.type != 0x1001 || blockHeader.size != 8 || blockHeader.param != 0) {
|
|
return false;
|
|
}
|
|
|
|
uint16 tmp;
|
|
tmp = _file->readUint16LE();
|
|
debugC(5, kGroovieDebugVideo | kGroovieDebugAll, "w = %d\n", tmp);
|
|
if (tmp != 640) {
|
|
return false;
|
|
}
|
|
tmp = _file->readUint16LE();
|
|
debugC(5, kGroovieDebugVideo | kGroovieDebugAll, "h = %d\n", tmp);
|
|
if (tmp != 320) {
|
|
return false;
|
|
}
|
|
tmp = _file->readUint16LE();
|
|
debugC(5, kGroovieDebugVideo | kGroovieDebugAll, "unk1 = %d\n", tmp);
|
|
if (tmp != 8) {
|
|
return false;
|
|
}
|
|
tmp = _file->readUint16LE();
|
|
debugC(5, kGroovieDebugVideo | kGroovieDebugAll, "unk2 = %d\n", tmp);
|
|
if (tmp != 4) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool ROQPlayer::processBlockQuadCodebook(ROQBlockHeader &blockHeader) {
|
|
debugC(5, kGroovieDebugVideo | kGroovieDebugAll, "Groovie::ROQ: Processing quad codebook block");
|
|
|
|
// Get the number of 2x2 pixel blocks
|
|
_num2blocks = blockHeader.param >> 8;
|
|
if (_num2blocks == 0) {
|
|
_num2blocks = 256;
|
|
}
|
|
|
|
// Get the number of 4x4 pixel blocks
|
|
_num4blocks = blockHeader.param & 0xFF;
|
|
if (_num4blocks == 0 && (blockHeader.size > (uint32)_num2blocks * 6)) {
|
|
_num4blocks = 256;
|
|
}
|
|
|
|
_file->skip(_num2blocks * 6);
|
|
_file->skip(_num4blocks * 4);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool ROQPlayer::processBlockQuadVector(ROQBlockHeader &blockHeader) {
|
|
debugC(5, kGroovieDebugVideo | kGroovieDebugAll, "Groovie::ROQ: Processing quad vector block");
|
|
_file->skip(blockHeader.size);
|
|
return true;
|
|
|
|
// Get the mean motion vectors
|
|
//byte Mx = blockHeader.param >> 8;
|
|
//byte My = blockHeader.param & 0xFF;
|
|
|
|
int32 ends =_file->pos() + blockHeader.size;
|
|
int numblocks = (640 / 8) * (320 / 8);
|
|
for (int j = 0; j < numblocks && ends > _file->pos(); j++) {
|
|
debugC(5, kGroovieDebugVideo | kGroovieDebugAll, "doing block %d/%d\n", j, numblocks);
|
|
uint16 codingType = _file->readUint16LE();
|
|
for (int i = 0; i < 8; i++) {
|
|
switch (codingType >> 14) {
|
|
case 0: // MOT: Skip block
|
|
//printf("coding type 0\n");
|
|
break;
|
|
case 1: { // FCC: Copy an existing block
|
|
//printf("coding type 1\n");
|
|
byte argument;
|
|
argument = _file->readByte();
|
|
//byte Dx = Mx + (argument >> 4);
|
|
//byte Dy = My + (argument & 0x0F);
|
|
// Dx = X + 8 - (argument >> 4) - Mx
|
|
// Dy = Y + 8 - (argument & 0x0F) - My
|
|
break;
|
|
}
|
|
case 2: { // SLD: Quad vector quantisation
|
|
//printf("coding type 2\n");
|
|
byte argument = _file->readByte();
|
|
if (argument > _num4blocks) {
|
|
//error("invalid 4x4 block %d of %d", argument, _num4blocks);
|
|
}
|
|
// Upsample the 4x4 pixel block
|
|
break;
|
|
}
|
|
case 3: // CCC:
|
|
//printf("coding type 3:\n");
|
|
processBlockQuadVectorSub(blockHeader);
|
|
break;
|
|
}
|
|
codingType <<= 2;
|
|
}
|
|
}
|
|
debugC(5, kGroovieDebugVideo | kGroovieDebugAll, "Should have ended at %d, and has ended at %d\n", ends, _file->pos());
|
|
return true;
|
|
}
|
|
|
|
bool ROQPlayer::processBlockQuadVectorSub(ROQBlockHeader &blockHeader) {
|
|
debugC(5, kGroovieDebugVideo | kGroovieDebugAll, "Groovie::ROQ: Processing quad vector sub block");
|
|
|
|
// Get the mean motion vectors
|
|
//byte Mx = blockHeader.param >> 8;
|
|
//byte My = blockHeader.param & 0xFF;
|
|
|
|
uint16 codingType = _file->readUint16LE();
|
|
for (int i = 0; i < 4; i++) {
|
|
switch (codingType >> 14) {
|
|
case 0: // MOT: Skip block
|
|
//printf("coding type 0\n");
|
|
break;
|
|
case 1: { // FCC: Copy an existing block
|
|
//printf("coding type 1\n");
|
|
byte argument;
|
|
argument = _file->readByte();
|
|
//byte Dx = Mx + (argument >> 4);
|
|
//byte Dy = My + (argument & 0x0F);
|
|
// Dx = X + 8 - (argument >> 4) - Mx
|
|
// Dy = Y + 8 - (argument & 0x0F) - My
|
|
break;
|
|
}
|
|
case 2: { // SLD: Quad vector quantisation
|
|
//printf("coding type 2\n");
|
|
byte argument = _file->readByte();
|
|
if (argument > _num2blocks) {
|
|
//error("invalid 2x2 block: %d of %d", argument, _num2blocks);
|
|
}
|
|
break;
|
|
}
|
|
case 3:
|
|
//printf("coding type 3\n");
|
|
_file->readByte();
|
|
_file->readByte();
|
|
_file->readByte();
|
|
_file->readByte();
|
|
break;
|
|
}
|
|
codingType <<= 2;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool ROQPlayer::processBlockStill(ROQBlockHeader &blockHeader) {
|
|
debugC(5, kGroovieDebugVideo | kGroovieDebugAll, "Groovie::ROQ: Processing still (JPEG) block");
|
|
//Common::ReadStream *jpegData = new Common::SubReadStream(_file, blockHeader.size);
|
|
//Graphics::JPEG jpegFrame;
|
|
//jpegFrame.read(jpegData);
|
|
/*
|
|
Common::File save;
|
|
save.open("dump.jpg", Common::File::kFileWriteMode);
|
|
save.write(data, blockHeader.size);
|
|
save.close();
|
|
*/
|
|
error("JPEG!");
|
|
return true;
|
|
}
|
|
|
|
bool ROQPlayer::processBlockSoundMono(ROQBlockHeader &blockHeader) {
|
|
debugC(5, kGroovieDebugVideo | kGroovieDebugAll, "Groovie::ROQ: Processing mono sound block");
|
|
|
|
// Verify the block header
|
|
if (blockHeader.type != 0x1020) {
|
|
return false;
|
|
}
|
|
|
|
// Initialize the audio stream if needed
|
|
if (!_audioStream) {
|
|
byte flags = Audio::Mixer::FLAG_16BITS | Audio::Mixer::FLAG_AUTOFREE;
|
|
#ifdef SCUMM_LITTLE_ENDIAN
|
|
flags |= Audio::Mixer::FLAG_LITTLE_ENDIAN;
|
|
#endif
|
|
_audioStream = Audio::makeAppendableAudioStream(22050, flags);
|
|
Audio::SoundHandle sound_handle;
|
|
::g_engine->_mixer->playInputStream(Audio::Mixer::kPlainSoundType, &sound_handle, _audioStream);
|
|
}
|
|
|
|
// Create the audio buffer
|
|
int16 *buffer = new int16[blockHeader.size];
|
|
|
|
// Initialize the prediction with the block parameter
|
|
int16 prediction = blockHeader.param ^ 0x8000;
|
|
|
|
// Process the data
|
|
for (uint16 i = 0; i < blockHeader.size; i++) {
|
|
int16 data = _file->readByte();
|
|
if (data < 0x80) {
|
|
prediction += data * data;
|
|
} else {
|
|
data -= 0x80;
|
|
prediction -= data * data;
|
|
}
|
|
buffer[i] = prediction;
|
|
}
|
|
|
|
// Queue the read buffer
|
|
_audioStream->queueBuffer((byte *)buffer, blockHeader.size * 2);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool ROQPlayer::processBlockSoundStereo(ROQBlockHeader &blockHeader) {
|
|
debugC(5, kGroovieDebugVideo | kGroovieDebugAll, "Groovie::ROQ: Processing stereo sound block");
|
|
|
|
// Verify the block header
|
|
if (blockHeader.type != 0x1021) {
|
|
return false;
|
|
}
|
|
|
|
// Initialize the audio stream if needed
|
|
if (!_audioStream) {
|
|
byte flags = Audio::Mixer::FLAG_16BITS | Audio::Mixer::FLAG_AUTOFREE | Audio::Mixer::FLAG_STEREO;
|
|
#ifdef SCUMM_LITTLE_ENDIAN
|
|
flags |= Audio::Mixer::FLAG_LITTLE_ENDIAN;
|
|
#endif
|
|
_audioStream = Audio::makeAppendableAudioStream(22050, flags);
|
|
Audio::SoundHandle sound_handle;
|
|
::g_engine->_mixer->playInputStream(Audio::Mixer::kPlainSoundType, &sound_handle, _audioStream);
|
|
}
|
|
|
|
// Create the audio buffer
|
|
int16 *buffer = new int16[blockHeader.size];
|
|
|
|
// Initialize the prediction with the block parameter
|
|
int16 predictionLeft = (blockHeader.param & 0xFF00) ^ 0x8000;
|
|
int16 predictionRight = (blockHeader.param << 8) ^ 0x8000;
|
|
bool left = true;
|
|
|
|
// Process the data
|
|
for (uint16 i = 0; i < blockHeader.size; i++) {
|
|
int16 data = _file->readByte();
|
|
if (left) {
|
|
if (data < 0x80) {
|
|
predictionLeft += data * data;
|
|
} else {
|
|
data -= 0x80;
|
|
predictionLeft -= data * data;
|
|
}
|
|
buffer[i] = predictionLeft;
|
|
} else {
|
|
if (data < 0x80) {
|
|
predictionRight += data * data;
|
|
} else {
|
|
data -= 0x80;
|
|
predictionRight -= data * data;
|
|
}
|
|
buffer[i] = predictionRight;
|
|
}
|
|
left = !left;
|
|
}
|
|
|
|
// Queue the read buffer
|
|
_audioStream->queueBuffer((byte *)buffer, blockHeader.size * 2);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool ROQPlayer::processBlockAudioContainer(ROQBlockHeader &blockHeader) {
|
|
debugC(5, kGroovieDebugVideo | kGroovieDebugAll, "Groovie::ROQ: Processing audio container block: 0x%04X", blockHeader.param);
|
|
return true;
|
|
}
|
|
|
|
} // End of Groovie namespace
|