81c84b683e
mechanism as in the no sound case. In particular, don't hang while waiting for the sound to play far enough to go to the next frame. This should fix bug #1192646. svn-id: r17889
477 lines
14 KiB
C++
477 lines
14 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2002-2005 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#include "common/stdafx.h"
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#include "graphics/animation.h"
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#include "sound/audiostream.h"
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#include "common/config-manager.h"
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#include "common/file.h"
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#include "common/system.h"
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#include "common/util.h"
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#include "common/scaler/intern.h"
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namespace Graphics {
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BaseAnimationState::BaseAnimationState(SoundMixer *snd, OSystem *sys, int width, int height)
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: _movieWidth(width), _movieHeight(height), _snd(snd), _sys(sys) {
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#ifndef BACKEND_8BIT
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_colorTab = NULL;
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_rgbToPix = NULL;
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_bitFormat = 0;
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#endif
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}
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BaseAnimationState::~BaseAnimationState() {
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#ifdef USE_MPEG2
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_snd->stopHandle(_bgSound);
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if (_mpegDecoder)
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mpeg2_close(_mpegDecoder);
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delete _mpegFile;
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#ifndef BACKEND_8BIT
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_sys->hideOverlay();
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free(_overlay);
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free(_colorTab);
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free(_rgbToPix);
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#endif
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delete _bgSoundStream;
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#endif
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}
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bool BaseAnimationState::init(const char *name, void *audioArg) {
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#ifdef USE_MPEG2
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char tempFile[512];
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_mpegDecoder = NULL;
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_mpegFile = NULL;
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_bgSoundStream = NULL;
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#ifdef BACKEND_8BIT
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uint i, p;
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// Load lookup palettes
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sprintf(tempFile, "%s.pal", name);
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File f;
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if (!f.open(tempFile)) {
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warning("Cutscene: %s palette missing", tempFile);
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return false;
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}
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p = 0;
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while (1) {
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_palettes[p].end = f.readUint16LE();
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_palettes[p].cnt = f.readUint16LE();
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if (f.ioFailed())
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break;
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for (i = 0; i < _palettes[p].cnt; i++) {
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_palettes[p].pal[4 * i] = f.readByte();
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_palettes[p].pal[4 * i + 1] = f.readByte();
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_palettes[p].pal[4 * i + 2] = f.readByte();
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_palettes[p].pal[4 * i + 3] = 0;
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}
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for (; i < 256; i++) {
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_palettes[p].pal[4 * i] = 0;
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_palettes[p].pal[4 * i + 1] = 0;
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_palettes[p].pal[4 * i + 2] = 0;
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_palettes[p].pal[4 * i + 3] = 0;
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}
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p++;
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}
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f.close();
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_palNum = 0;
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_maxPalNum = p;
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setPalette(_palettes[_palNum].pal);
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_lut = _lut2 = _yuvLookup[0];
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_curPal = -1;
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_cr = 0;
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buildLookup(_palNum, 256);
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_lut2 = _yuvLookup[1];
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_lutCalcNum = (BITDEPTH + _palettes[_palNum].end + 2) / (_palettes[_palNum].end + 2);
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#else
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buildLookup();
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_overlay = (OverlayColor*)calloc(_movieWidth * _movieHeight, sizeof(OverlayColor));
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_sys->showOverlay();
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#endif
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// Open MPEG2 stream
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_mpegFile = new File();
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sprintf(tempFile, "%s.mp2", name);
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if (!_mpegFile->open(tempFile)) {
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warning("Cutscene: Could not open %s", tempFile);
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return false;
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}
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// Load and configure decoder
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_mpegDecoder = mpeg2_init();
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if (_mpegDecoder == NULL) {
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warning("Cutscene: Could not allocate an MPEG2 decoder");
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return false;
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}
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_mpegInfo = mpeg2_info(_mpegDecoder);
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_frameNum = 0;
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_frameSkipped = 0;
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_ticks = _sys->getMillis();
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// Play audio
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_bgSoundStream = createAudioStream(name, audioArg);
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if (_bgSoundStream != NULL) {
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_snd->playInputStream(SoundMixer::kSFXSoundType, &_bgSound, _bgSoundStream, -1, 255, 0, false);
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} else {
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warning("Cutscene: Could not open Audio Track for %s", name);
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}
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return true;
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#else /* USE_MPEG2 */
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return false;
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#endif
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}
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AudioStream *BaseAnimationState::createAudioStream(const char *name, void *arg) {
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return AudioStream::openStreamFile(name);
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}
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bool BaseAnimationState::decodeFrame() {
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#ifdef USE_MPEG2
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mpeg2_state_t state;
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const mpeg2_sequence_t *sequence_i;
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size_t size = (size_t) -1;
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static byte buf[BUFFER_SIZE];
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do {
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state = mpeg2_parse(_mpegDecoder);
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sequence_i = _mpegInfo->sequence;
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switch (state) {
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case STATE_BUFFER:
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size = _mpegFile->read(buf, BUFFER_SIZE);
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mpeg2_buffer(_mpegDecoder, buf, buf + size);
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break;
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case STATE_SLICE:
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case STATE_END:
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if (_mpegInfo->display_fbuf) {
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/* simple audio video sync code:
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* we calculate the actual frame by taking the elapsed audio time and try
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* to stay inside +- 1 frame of this calculated frame number by dropping
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* frames if we run behind and delaying if we are too fast
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*/
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if (checkPaletteSwitch() || (_bgSoundStream == NULL) ||
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((_snd->getSoundElapsedTime(_bgSound) * 12) / 1000 < _frameNum + 1) ||
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_frameSkipped > 10) {
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if (_frameSkipped > 10) {
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warning("force frame %i redraw", _frameNum);
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_frameSkipped = 0;
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}
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drawYUV(sequence_i->width, sequence_i->height, _mpegInfo->display_fbuf->buf);
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if (_bgSoundStream && _snd->isSoundHandleActive(_bgSound)) {
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while (_snd->isSoundHandleActive(_bgSound) && (_snd->getSoundElapsedTime(_bgSound) * 12) / 1000 < _frameNum) {
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_sys->delayMillis(10);
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}
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// In case the background sound ends prematurely, update
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// _ticks so that we can still fall back on the no-sound
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// sync case for the subsequent frames.
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_ticks = _sys->getMillis();
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} else {
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_ticks += 83;
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while (_sys->getMillis() < _ticks)
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_sys->delayMillis(10);
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}
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} else {
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warning("dropped frame %i", _frameNum);
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_frameSkipped++;
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}
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#ifdef BACKEND_8BIT
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buildLookup(_palNum + 1, _lutCalcNum);
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#endif
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_frameNum++;
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return true;
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}
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break;
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default:
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break;
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}
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} while (size);
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#endif
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return false;
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}
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bool BaseAnimationState::checkPaletteSwitch() {
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#ifdef BACKEND_8BIT
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// if we have reached the last image with this palette, switch to new one
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if (_frameNum == _palettes[_palNum].end) {
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unsigned char *l = _lut2;
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_palNum++;
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setPalette(_palettes[_palNum].pal);
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_lutCalcNum = (BITDEPTH + _palettes[_palNum].end - (_frameNum + 1) + 2) / (_palettes[_palNum].end - (_frameNum + 1) + 2);
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_lut2 = _lut;
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_lut = l;
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return true;
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}
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#endif
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return false;
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}
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#ifdef BACKEND_8BIT
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/**
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* Build 'Best-Match' RGB lookup table
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*/
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void BaseAnimationState::buildLookup(int p, int lines) {
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int y, cb;
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int r, g, b, ii;
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if (p >= _maxPalNum)
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return;
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if (p != _curPal) {
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_curPal = p;
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_cr = 0;
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_pos = 0;
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}
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if (_cr > BITDEPTH)
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return;
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for (ii = 0; ii < lines; ii++) {
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r = (-16 * 256 + (int) (256 * 1.596) * ((_cr << SHIFT) - 128)) / 256;
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for (cb = 0; cb <= BITDEPTH; cb++) {
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g = (-16 * 256 - (int) (0.813 * 256) * ((_cr << SHIFT) - 128) - (int) (0.391 * 256) * ((cb << SHIFT) - 128)) / 256;
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b = (-16 * 256 + (int) (2.018 * 256) * ((cb << SHIFT) - 128)) / 256;
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for (y = 0; y <= BITDEPTH; y++) {
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int idx, bst = 0;
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int dis = 2 * SQR(r - _palettes[p].pal[0]) + 4 * SQR(g - _palettes[p].pal[1]) + SQR(b - _palettes[p].pal[2]);
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for (idx = 1; idx < 256; idx++) {
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long d2 = 2 * SQR(r - _palettes[p].pal[4 * idx]) + 4 * SQR(g - _palettes[p].pal[4 * idx + 1]) + SQR(b - _palettes[p].pal[4 * idx + 2]);
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if (d2 < dis) {
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bst = idx;
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dis = d2;
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}
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}
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_lut2[_pos++] = bst;
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r += (1 << SHIFT);
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g += (1 << SHIFT);
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b += (1 << SHIFT);
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}
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r -= (BITDEPTH + 1) * (1 << SHIFT);
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}
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_cr++;
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if (_cr > BITDEPTH)
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return;
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}
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}
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#else
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// The YUV to RGB conversion code is derived from SDL's YUV overlay code, which
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// in turn appears to be derived from mpeg_play. The following copyright
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// notices have been included in accordance with the original license. Please
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// note that the term "software" in this context only applies to the two
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// functions buildLookup() and plotYUV() below.
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// Copyright (c) 1995 The Regents of the University of California.
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// All rights reserved.
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//
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// Permission to use, copy, modify, and distribute this software and its
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// documentation for any purpose, without fee, and without written agreement is
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// hereby granted, provided that the above copyright notice and the following
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// two paragraphs appear in all copies of this software.
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//
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// IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
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// DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
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// OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
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// CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
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// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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// ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
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// PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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// Copyright (c) 1995 Erik Corry
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// All rights reserved.
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//
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// Permission to use, copy, modify, and distribute this software and its
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// documentation for any purpose, without fee, and without written agreement is
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// hereby granted, provided that the above copyright notice and the following
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// two paragraphs appear in all copies of this software.
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//
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// IN NO EVENT SHALL ERIK CORRY BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
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// SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF
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// THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF ERIK CORRY HAS BEEN ADVISED
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// OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// ERIK CORRY SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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// PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS"
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// BASIS, AND ERIK CORRY HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT,
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// UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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// Portions of this software Copyright (c) 1995 Brown University.
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// All rights reserved.
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//
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// Permission to use, copy, modify, and distribute this software and its
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// documentation for any purpose, without fee, and without written agreement
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// is hereby granted, provided that the above copyright notice and the
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// following two paragraphs appear in all copies of this software.
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//
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// IN NO EVENT SHALL BROWN UNIVERSITY BE LIABLE TO ANY PARTY FOR
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// DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
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// OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF BROWN
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// UNIVERSITY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// BROWN UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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// PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS"
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// BASIS, AND BROWN UNIVERSITY HAS NO OBLIGATION TO PROVIDE MAINTENANCE,
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// SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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void BaseAnimationState::buildLookup() {
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// Do we already have lookup tables for this bit format?
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if (gBitFormat == _bitFormat && _colorTab && _rgbToPix)
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return;
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free(_colorTab);
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free(_rgbToPix);
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_colorTab = (int16 *)malloc(4 * 256 * sizeof(int16));
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int16 *Cr_r_tab = &_colorTab[0 * 256];
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int16 *Cr_g_tab = &_colorTab[1 * 256];
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int16 *Cb_g_tab = &_colorTab[2 * 256];
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int16 *Cb_b_tab = &_colorTab[3 * 256];
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_rgbToPix = (OverlayColor *)malloc(3 * 768 * sizeof(OverlayColor));
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OverlayColor *r_2_pix_alloc = &_rgbToPix[0 * 768];
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OverlayColor *g_2_pix_alloc = &_rgbToPix[1 * 768];
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OverlayColor *b_2_pix_alloc = &_rgbToPix[2 * 768];
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int16 CR, CB;
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int i;
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// Generate the tables for the display surface
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for (i = 0; i < 256; i++) {
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// Gamma correction (luminescence table) and chroma correction
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// would be done here. See the Berkeley mpeg_play sources.
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CR = CB = (i - 128);
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Cr_r_tab[i] = (int16) ( (0.419 / 0.299) * CR);
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Cr_g_tab[i] = (int16) (-(0.299 / 0.419) * CR);
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Cb_g_tab[i] = (int16) (-(0.114 / 0.331) * CB);
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Cb_b_tab[i] = (int16) ( (0.587 / 0.331) * CB);
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}
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// Set up entries 0-255 in rgb-to-pixel value tables.
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for (i = 0; i < 256; i++) {
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r_2_pix_alloc[i + 256] = _sys->RGBToColor(i, 0, 0);
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g_2_pix_alloc[i + 256] = _sys->RGBToColor(0, i, 0);
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b_2_pix_alloc[i + 256] = _sys->RGBToColor(0, 0, i);
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}
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// Spread out the values we have to the rest of the array so that we do
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// not need to check for overflow.
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for (i = 0; i < 256; i++) {
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r_2_pix_alloc[i] = r_2_pix_alloc[256];
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r_2_pix_alloc[i + 512] = r_2_pix_alloc[511];
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g_2_pix_alloc[i] = g_2_pix_alloc[256];
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g_2_pix_alloc[i + 512] = g_2_pix_alloc[511];
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b_2_pix_alloc[i] = b_2_pix_alloc[256];
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b_2_pix_alloc[i + 512] = b_2_pix_alloc[511];
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}
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_bitFormat = gBitFormat;
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}
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void BaseAnimationState::plotYUV(int width, int height, byte *const *dat) {
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OverlayColor *ptr = _overlay + (_movieHeight - height) / 2 * _movieWidth + (_movieWidth - width) / 2;
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byte *lum = dat[0];
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byte *cr = dat[2];
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byte *cb = dat[1];
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byte *lum2 = lum + width;
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int16 cr_r;
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int16 crb_g;
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int16 cb_b;
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OverlayColor *row1 = ptr;
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OverlayColor *row2 = ptr + _movieWidth;
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int x, y;
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for (y = 0; y < height; y += 2) {
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for (x = 0; x < width; x += 2) {
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register byte L;
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cr_r = 0 * 768 + 256 + _colorTab[*cr + 0 * 256];
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crb_g = 1 * 768 + 256 + _colorTab[*cr + 1 * 256] + _colorTab[*cb + 2 * 256];
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cb_b = 2 * 768 + 256 + _colorTab[*cb + 3 * 256];
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++cr;
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++cb;
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L = *lum++;
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*row1++ = (_rgbToPix[L + cr_r] | _rgbToPix[L + crb_g] | _rgbToPix[L + cb_b]);
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L = *lum++;
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*row1++ = (_rgbToPix[L + cr_r] | _rgbToPix[L + crb_g] | _rgbToPix[L + cb_b]);
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// Now, do second row.
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L = *lum2++;
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*row2++ = (_rgbToPix[L + cr_r] | _rgbToPix[L + crb_g] | _rgbToPix[L + cb_b]);
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L = *lum2++;
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*row2++ = (_rgbToPix[L + cr_r] | _rgbToPix[L + crb_g] | _rgbToPix[L + cb_b]);
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}
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// These values are at the start of the next line, (due
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// to the ++'s above), but they need to be at the start
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// of the line after that.
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lum += width;
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lum2 += width;
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row1 += (2 * _movieWidth - width);
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row2 += (2 * _movieWidth - width);
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}
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}
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#endif
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} // End of namespace Graphics
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