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Diffstat (limited to 'graphics/video/mpeg_player.cpp')
| -rw-r--r-- | graphics/video/mpeg_player.cpp | 625 |
1 files changed, 0 insertions, 625 deletions
diff --git a/graphics/video/mpeg_player.cpp b/graphics/video/mpeg_player.cpp deleted file mode 100644 index ea1fa4ec1c..0000000000 --- a/graphics/video/mpeg_player.cpp +++ /dev/null @@ -1,625 +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. - * - * $URL$ - * $Id$ - * - */ - -// 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 -// buildLookup() and plotYUV*() functions 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. - -#include "graphics/video/mpeg_player.h" -#include "common/file.h" -#include "common/system.h" -#include "common/util.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; - memset(&_overlayFormat, 0, sizeof(_overlayFormat)); -#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 (!f.eos()) { - _palettes[p].end = f.readUint16LE(); - _palettes[p].cnt = f.readUint16LE(); - - 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 - -void BaseAnimationState::buildLookup() { - // Do we already have lookup tables for this bit format? - Graphics::PixelFormat format = _sys->getOverlayFormat(); - if (format == _overlayFormat && _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. - for (i = 0; i < 256; i++) { - r_2_pix_alloc[i + 256] = format.RGBToColor(i, 0, 0); - g_2_pix_alloc[i + 256] = format.RGBToColor(0, i, 0); - b_2_pix_alloc[i + 256] = format.RGBToColor(0, 0, i); - } - - // 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]; - } - - _overlayFormat = format; -} - -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 |