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author | Eugene Sandulenko | 2008-12-21 21:08:17 +0000 |
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committer | Eugene Sandulenko | 2008-12-21 21:08:17 +0000 |
commit | 829cbc411094bd69052ab97c7846f2f8683796b9 (patch) | |
tree | 32d04552a0e59745d90bf1b9bc93ced4b3df3b61 /graphics/video/mpeg_player.cpp | |
parent | be66a538b44966c52a48cc59421ccd7b7c27dedc (diff) | |
download | scummvm-rg350-829cbc411094bd69052ab97c7846f2f8683796b9.tar.gz scummvm-rg350-829cbc411094bd69052ab97c7846f2f8683796b9.tar.bz2 scummvm-rg350-829cbc411094bd69052ab97c7846f2f8683796b9.zip |
Move all video players to separate directory
svn-id: r35470
Diffstat (limited to 'graphics/video/mpeg_player.cpp')
-rw-r--r-- | graphics/video/mpeg_player.cpp | 629 |
1 files changed, 629 insertions, 0 deletions
diff --git a/graphics/video/mpeg_player.cpp b/graphics/video/mpeg_player.cpp new file mode 100644 index 0000000000..964f4cd94d --- /dev/null +++ b/graphics/video/mpeg_player.cpp @@ -0,0 +1,629 @@ +/* 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/mpeg_player.h" +#include "common/file.h" +#include "common/system.h" +#include "common/util.h" +#include "graphics/scaler/intern.h" + +namespace Graphics { + +BaseAnimationState::BaseAnimationState(OSystem *sys, int width, int height) + : _movieWidth(width), _movieHeight(height), _frameWidth(width), _frameHeight(height), _sys(sys) { +#ifndef BACKEND_8BIT + const int screenW = _sys->getOverlayWidth(); + const int screenH = _sys->getOverlayHeight(); + + _movieScale = MIN(screenW / _movieWidth, screenH / _movieHeight); + + assert(_movieScale >= 1); + if (_movieScale > 3) + _movieScale = 3; + + _colorTab = NULL; + _rgbToPix = NULL; + _bitFormat = 0; +#endif +} + +BaseAnimationState::~BaseAnimationState() { +#ifdef USE_MPEG2 + if (_mpegDecoder) + mpeg2_close(_mpegDecoder); + delete _mpegFile; +#ifndef BACKEND_8BIT + _sys->hideOverlay(); + free(_overlay); + free(_colorTab); + free(_rgbToPix); +#endif +#endif +} + + +bool BaseAnimationState::init(const char *name) { +#ifdef USE_MPEG2 + char tempFile[512]; + + _mpegDecoder = NULL; + _mpegFile = NULL; + +#ifdef BACKEND_8BIT + + uint i, p; + + // Load lookup palettes + sprintf(tempFile, "%s.pal", name); + + Common::File f; + + if (!f.open(tempFile)) { + warning("Cutscene: %s palette missing", tempFile); + return false; + } + + p = 0; + while (1) { + _palettes[p].end = f.readUint16LE(); + _palettes[p].cnt = f.readUint16LE(); + + if (f.ioFailed()) + break; + + for (i = 0; i < _palettes[p].cnt; i++) { + _palettes[p].pal[4 * i] = f.readByte(); + _palettes[p].pal[4 * i + 1] = f.readByte(); + _palettes[p].pal[4 * i + 2] = f.readByte(); + _palettes[p].pal[4 * i + 3] = 0; + } + for (; i < 256; i++) { + _palettes[p].pal[4 * i] = 0; + _palettes[p].pal[4 * i + 1] = 0; + _palettes[p].pal[4 * i + 2] = 0; + _palettes[p].pal[4 * i + 3] = 0; + } + + p++; + } + + f.close(); + + _palNum = 0; + _maxPalNum = p; + setPalette(_palettes[_palNum].pal); + _lut = _lut2 = _yuvLookup[0]; + _curPal = -1; + _cr = 0; + buildLookup(_palNum, 256); + _lut2 = _yuvLookup[1]; + _lutCalcNum = (BITDEPTH + _palettes[_palNum].end + 2) / (_palettes[_palNum].end + 2); +#else + buildLookup(); + _overlay = (OverlayColor *)calloc(_movieScale * _movieWidth * _movieScale * _movieHeight, sizeof(OverlayColor)); + _sys->showOverlay(); +#endif + + // Open MPEG2 stream + _mpegFile = new Common::File(); + sprintf(tempFile, "%s.mp2", name); + if (!_mpegFile->open(tempFile)) { + warning("Cutscene: Could not open %s", tempFile); + return false; + } + + // Load and configure decoder + _mpegDecoder = mpeg2_init(); + if (_mpegDecoder == NULL) { + warning("Cutscene: Could not allocate an MPEG2 decoder"); + return false; + } + + _mpegInfo = mpeg2_info(_mpegDecoder); + _frameNum = 0; + + return true; +#else /* USE_MPEG2 */ + return false; +#endif +} + +bool BaseAnimationState::decodeFrame() { +#ifdef USE_MPEG2 + mpeg2_state_t state; + const mpeg2_sequence_t *sequence_i; + size_t size = (size_t) -1; + static byte buf[BUFFER_SIZE]; + + do { + state = mpeg2_parse(_mpegDecoder); + sequence_i = _mpegInfo->sequence; + + switch (state) { + case STATE_BUFFER: + size = _mpegFile->read(buf, BUFFER_SIZE); + mpeg2_buffer(_mpegDecoder, buf, buf + size); + break; + + case STATE_SLICE: + case STATE_END: + if (_mpegInfo->display_fbuf) { + checkPaletteSwitch(); + drawYUV(sequence_i->width, sequence_i->height, _mpegInfo->display_fbuf->buf); +#ifdef BACKEND_8BIT + buildLookup(_palNum + 1, _lutCalcNum); +#endif + + _frameNum++; + return true; + } + break; + + default: + break; + } + } while (size); +#endif + return false; +} + +bool BaseAnimationState::checkPaletteSwitch() { +#ifdef BACKEND_8BIT + // if we have reached the last image with this palette, switch to new one + if (_frameNum == _palettes[_palNum].end) { + unsigned char *l = _lut2; + _palNum++; + setPalette(_palettes[_palNum].pal); + _lutCalcNum = (BITDEPTH + _palettes[_palNum].end - (_frameNum + 1) + 2) / (_palettes[_palNum].end - (_frameNum + 1) + 2); + _lut2 = _lut; + _lut = l; + return true; + } +#endif + + return false; +} + +void BaseAnimationState::handleScreenChanged() { +#ifndef BACKEND_8BIT + const int screenW = _sys->getOverlayWidth(); + const int screenH = _sys->getOverlayHeight(); + + int newScale = MIN(screenW / _movieWidth, screenH / _movieHeight); + + assert(newScale >= 1); + if (newScale > 3) + newScale = 3; + + if (newScale != _movieScale) { + // HACK: Since frames generally do not cover the entire screen, + // We need to undraw the old frame. This is a very hacky + // way of doing that. + OverlayColor *buf = (OverlayColor *)calloc(screenW * screenH, sizeof(OverlayColor)); + _sys->copyRectToOverlay(buf, screenW, 0, 0, screenW, screenH); + free(buf); + + free(_overlay); + _movieScale = newScale; + _overlay = (OverlayColor *)calloc(_movieScale * _movieWidth * _movieScale * _movieHeight, sizeof(OverlayColor)); + } + + buildLookup(); +#endif +} + +#ifdef BACKEND_8BIT + +/** + * Build 'Best-Match' RGB lookup table + */ +void BaseAnimationState::buildLookup(int p, int lines) { + int y, cb; + int r, g, b, ii; + + if (p >= _maxPalNum) + return; + + if (p != _curPal) { + _curPal = p; + _cr = 0; + _pos = 0; + } + + if (_cr > BITDEPTH) + return; + + for (ii = 0; ii < lines; ii++) { + r = (-16 * 256 + (int) (256 * 1.596) * ((_cr << SHIFT) - 128)) / 256; + for (cb = 0; cb <= BITDEPTH; cb++) { + g = (-16 * 256 - (int) (0.813 * 256) * ((_cr << SHIFT) - 128) - (int) (0.391 * 256) * ((cb << SHIFT) - 128)) / 256; + b = (-16 * 256 + (int) (2.018 * 256) * ((cb << SHIFT) - 128)) / 256; + + for (y = 0; y <= BITDEPTH; y++) { + int idx, bst = 0; + int dis = 2 * SQR(r - _palettes[p].pal[0]) + 4 * SQR(g - _palettes[p].pal[1]) + SQR(b - _palettes[p].pal[2]); + + for (idx = 1; idx < 256; idx++) { + 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]); + if (d2 < dis) { + bst = idx; + dis = d2; + } + } + _lut2[_pos++] = bst; + + r += (1 << SHIFT); + g += (1 << SHIFT); + b += (1 << SHIFT); + } + r -= (BITDEPTH + 1) * (1 << SHIFT); + } + _cr++; + if (_cr > BITDEPTH) + return; + } +} + +#else + +// The YUV to RGB conversion code is derived from SDL's YUV overlay code, which +// in turn appears to be derived from mpeg_play. The following copyright +// notices have been included in accordance with the original license. Please +// note that the term "software" in this context only applies to the two +// functions buildLookup() and plotYUV() below. + +// Copyright (c) 1995 The Regents of the University of California. +// All rights reserved. +// +// Permission to use, copy, modify, and distribute this software and its +// documentation for any purpose, without fee, and without written agreement is +// hereby granted, provided that the above copyright notice and the following +// two paragraphs appear in all copies of this software. +// +// IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR +// DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT +// OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF +// CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, +// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY +// AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS +// ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO +// PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + +// Copyright (c) 1995 Erik Corry +// All rights reserved. +// +// Permission to use, copy, modify, and distribute this software and its +// documentation for any purpose, without fee, and without written agreement is +// hereby granted, provided that the above copyright notice and the following +// two paragraphs appear in all copies of this software. +// +// IN NO EVENT SHALL ERIK CORRY BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, +// SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF +// THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF ERIK CORRY HAS BEEN ADVISED +// OF THE POSSIBILITY OF SUCH DAMAGE. +// +// ERIK CORRY SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +// PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" +// BASIS, AND ERIK CORRY HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, +// UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + +// Portions of this software Copyright (c) 1995 Brown University. +// All rights reserved. +// +// Permission to use, copy, modify, and distribute this software and its +// documentation for any purpose, without fee, and without written agreement +// is hereby granted, provided that the above copyright notice and the +// following two paragraphs appear in all copies of this software. +// +// IN NO EVENT SHALL BROWN UNIVERSITY BE LIABLE TO ANY PARTY FOR +// DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT +// OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF BROWN +// UNIVERSITY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// BROWN UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +// PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" +// BASIS, AND BROWN UNIVERSITY HAS NO OBLIGATION TO PROVIDE MAINTENANCE, +// SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + +void BaseAnimationState::buildLookup() { + // Do we already have lookup tables for this bit format? + if (gBitFormat == _bitFormat && _colorTab && _rgbToPix) + return; + + free(_colorTab); + free(_rgbToPix); + + _colorTab = (int16 *)malloc(4 * 256 * sizeof(int16)); + + int16 *Cr_r_tab = &_colorTab[0 * 256]; + int16 *Cr_g_tab = &_colorTab[1 * 256]; + int16 *Cb_g_tab = &_colorTab[2 * 256]; + int16 *Cb_b_tab = &_colorTab[3 * 256]; + + _rgbToPix = (OverlayColor *)malloc(3 * 768 * sizeof(OverlayColor)); + + OverlayColor *r_2_pix_alloc = &_rgbToPix[0 * 768]; + OverlayColor *g_2_pix_alloc = &_rgbToPix[1 * 768]; + OverlayColor *b_2_pix_alloc = &_rgbToPix[2 * 768]; + + int16 CR, CB; + int i; + + // Generate the tables for the display surface + + for (i = 0; i < 256; i++) { + // Gamma correction (luminescence table) and chroma correction + // would be done here. See the Berkeley mpeg_play sources. + + CR = CB = (i - 128); + Cr_r_tab[i] = (int16) ( (0.419 / 0.299) * CR) + 0 * 768 + 256; + Cr_g_tab[i] = (int16) (-(0.299 / 0.419) * CR) + 1 * 768 + 256; + Cb_g_tab[i] = (int16) (-(0.114 / 0.331) * CB); + Cb_b_tab[i] = (int16) ( (0.587 / 0.331) * CB) + 2 * 768 + 256; + } + + // Set up entries 0-255 in rgb-to-pixel value tables. + Graphics::PixelFormat format = _sys->getOverlayFormat(); + for (i = 0; i < 256; i++) { + r_2_pix_alloc[i + 256] = Graphics::RGBToColor(i, 0, 0, format); + g_2_pix_alloc[i + 256] = Graphics::RGBToColor(0, i, 0, format); + b_2_pix_alloc[i + 256] = Graphics::RGBToColor(0, 0, i, format); + } + + // Spread out the values we have to the rest of the array so that we do + // not need to check for overflow. + for (i = 0; i < 256; i++) { + r_2_pix_alloc[i] = r_2_pix_alloc[256]; + r_2_pix_alloc[i + 512] = r_2_pix_alloc[511]; + g_2_pix_alloc[i] = g_2_pix_alloc[256]; + g_2_pix_alloc[i + 512] = g_2_pix_alloc[511]; + b_2_pix_alloc[i] = b_2_pix_alloc[256]; + b_2_pix_alloc[i + 512] = b_2_pix_alloc[511]; + } + + _bitFormat = gBitFormat; +} + +void BaseAnimationState::plotYUV(int width, int height, byte *const *dat) { + switch (_movieScale) { + case 1: + plotYUV1x(width, height, dat); + break; + case 2: + plotYUV2x(width, height, dat); + break; + case 3: + plotYUV3x(width, height, dat); + break; + } +} + +void BaseAnimationState::plotYUV1x(int width, int height, byte *const *dat) { + byte *lum = dat[0]; + byte *cr = dat[2]; + byte *cb = dat[1]; + + byte *lum2 = lum + width; + + int16 cr_r; + int16 crb_g; + int16 cb_b; + + OverlayColor *row1 = _overlay; + OverlayColor *row2 = row1 + _movieWidth; + + int x; + + for (; height > 0; height -= 2) { + OverlayColor *r1 = row1; + OverlayColor *r2 = row2; + + for (x = width; x > 0; x -= 2) { + register OverlayColor *L; + + cr_r = _colorTab[*cr + 0 * 256]; + crb_g = _colorTab[*cr + 1 * 256] + _colorTab[*cb + 2 * 256]; + cb_b = _colorTab[*cb + 3 * 256]; + ++cr; + ++cb; + + L = &_rgbToPix[*lum++]; + *r1++ = L[cr_r] | L[crb_g] | L[cb_b]; + + L = &_rgbToPix[*lum++]; + *r1++ = L[cr_r] | L[crb_g] | L[cb_b]; + + // Now, do second row. + + L = &_rgbToPix[*lum2++]; + *r2++ = L[cr_r] | L[crb_g] | L[cb_b]; + + L = &_rgbToPix[*lum2++]; + *r2++ = L[cr_r] | L[crb_g] | L[cb_b]; + } + + lum += width; + lum2 += width; + row1 += 2 * _movieWidth; + row2 += 2 * _movieWidth; + } +} + +void BaseAnimationState::plotYUV2x(int width, int height, byte *const *dat) { + byte *lum = dat[0]; + byte *cr = dat[2]; + byte *cb = dat[1]; + + byte *lum2 = lum + width; + + int16 cr_r; + int16 crb_g; + int16 cb_b; + + OverlayColor *row1 = _overlay; + OverlayColor *row2 = row1 + 2 * 2 * _movieWidth; + + int x; + + for (; height > 0; height -= 2) { + OverlayColor *r1 = row1; + OverlayColor *r2 = row2; + + for (x = width; x > 0; x -= 2) { + register OverlayColor *L; + register OverlayColor C; + + cr_r = _colorTab[*cr + 0 * 256]; + crb_g = _colorTab[*cr + 1 * 256] + _colorTab[*cb + 2 * 256]; + cb_b = _colorTab[*cb + 3 * 256]; + ++cr; + ++cb; + + L = &_rgbToPix[*lum++]; + C = L[cr_r] | L[crb_g] | L[cb_b]; + *r1++ = C; + *r1++ = C; + + L = &_rgbToPix[*lum++]; + C = L[cr_r] | L[crb_g] | L[cb_b]; + *r1++ = C; + *r1++ = C; + + // Now, do second row. + + L = &_rgbToPix[*lum2++]; + C = L[cr_r] | L[crb_g] | L[cb_b]; + *r2++ = C; + *r2++ = C; + + L = &_rgbToPix[*lum2++]; + C = L[cr_r] | L[crb_g] | L[cb_b]; + *r2++ = C; + *r2++ = C; + } + + memcpy(row1 + 2 * _movieWidth, row1, 2 * _movieWidth * sizeof(OverlayColor)); + memcpy(row2 + 2 * _movieWidth, row2, 2 * _movieWidth * sizeof(OverlayColor)); + + lum += width; + lum2 += width; + row1 += 4 * 2 * _movieWidth; + row2 += 4 * 2 * _movieWidth; + } +} + +void BaseAnimationState::plotYUV3x(int width, int height, byte *const *dat) { + byte *lum = dat[0]; + byte *cr = dat[2]; + byte *cb = dat[1]; + + byte *lum2 = lum + width; + + int16 cr_r; + int16 crb_g; + int16 cb_b; + + OverlayColor *row1 = _overlay; + OverlayColor *row2 = row1 + 3 * 3 * _movieWidth; + + int x; + + for (; height > 0; height -= 2) { + OverlayColor *r1 = row1; + OverlayColor *r2 = row2; + + for (x = width; x > 0; x -= 2) { + register OverlayColor *L; + register OverlayColor C; + + cr_r = _colorTab[*cr + 0 * 256]; + crb_g = _colorTab[*cr + 1 * 256] + _colorTab[*cb + 2 * 256]; + cb_b = _colorTab[*cb + 3 * 256]; + ++cr; + ++cb; + + L = &_rgbToPix[*lum++]; + C = L[cr_r] | L[crb_g] | L[cb_b]; + *r1++ = C; + *r1++ = C; + *r1++ = C; + + L = &_rgbToPix[*lum++]; + C = L[cr_r] | L[crb_g] | L[cb_b]; + *r1++ = C; + *r1++ = C; + *r1++ = C; + + // Now, do second row. + + L = &_rgbToPix[*lum2++]; + C = L[cr_r] | L[crb_g] | L[cb_b]; + *r2++ = C; + *r2++ = C; + *r2++ = C; + + L = &_rgbToPix[*lum2++]; + C = L[cr_r] | L[crb_g] | L[cb_b]; + *r2++ = C; + *r2++ = C; + *r2++ = C; + } + + memcpy(row1 + 3 * _movieWidth, row1, 3 * _movieWidth * sizeof(OverlayColor)); + memcpy(row1 + 2 * 3 * _movieWidth, row1, 3 * _movieWidth * sizeof(OverlayColor)); + memcpy(row2 + 3 * _movieWidth, row2, 3 * _movieWidth * sizeof(OverlayColor)); + memcpy(row2 + 2 * 3 * _movieWidth, row2, 3 * _movieWidth * sizeof(OverlayColor)); + + lum += width; + lum2 += width; + row1 += 6 * 3 * _movieWidth; + row2 += 6 * 3 * _movieWidth; + } +} + +#endif + +void BaseAnimationState::updateScreen() { +#ifndef BACKEND_8BIT + int width = _movieScale * _frameWidth; + int height = _movieScale * _frameHeight; + int pitch = _movieScale * _movieWidth; + + const int screenW = _sys->getOverlayWidth(); + const int screenH = _sys->getOverlayHeight(); + + int x = (screenW - _movieScale * _frameWidth) / 2; + int y = (screenH - _movieScale * _frameHeight) / 2; + + _sys->copyRectToOverlay(_overlay, pitch, x, y, width, height); +#endif + _sys->updateScreen(); +} + +} // End of namespace Graphics |