Update BS2 cutscene player with changes from roever: overlay support (default, 8bit backends should define BACKEND_8BIT for fast colour remapping) and sound syncronisation.
svn-id: r12456
This commit is contained in:
James Brown
parent
ccd5f0842f
commit
04f2bc0276
6 changed files with 201 additions and 41 deletions
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@ -27,6 +27,8 @@
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#include "common/file.h"
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#include "sound/vorbis.h"
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namespace Sword2 {
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AnimationState::AnimationState(Sword2Engine *vm)
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@ -39,7 +41,11 @@ AnimationState::~AnimationState() {
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if (decoder)
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mpeg2_close(decoder);
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delete mpgfile;
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delete sndfile;
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delete sndfile;
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#ifndef BACKEND_8BIT
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_vm->_system->hide_overlay();
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delete overlay;
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#endif
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#endif
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}
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@ -47,15 +53,19 @@ bool AnimationState::init(const char *name) {
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#ifdef USE_MPEG2
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char basename[512], tempFile[512];
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int i, p;
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decoder = NULL;
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mpgfile = NULL;
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sndfile = NULL;
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bgSoundStream = NULL;
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strcpy(basename, name);
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basename[strlen(basename) - 4] = 0; // FIXME: hack to remove extension
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#ifdef BACKEND_8BIT
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int i, p;
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// Load lookup palettes
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// TODO: Binary format so we can use File class
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sprintf(tempFile, "%s/%s.pal", _vm->getGameDataPath(), basename);
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@ -71,10 +81,10 @@ bool AnimationState::init(const char *name) {
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if (fscanf(f, "%i %i", &palettes[p].end, &palettes[p].cnt) != 2)
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break;
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for (i = 0; i < palettes[p].cnt; i++) {
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int r, g, b;
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fscanf(f, "%i", &r);
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fscanf(f, "%i", &g);
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fscanf(f, "%i", &b);
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int r, g, b;
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fscanf(f, "%i", &r);
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fscanf(f, "%i", &g);
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fscanf(f, "%i", &b);
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palettes[p].pal[4 * i] = r;
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palettes[p].pal[4 * i + 1] = g;
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palettes[p].pal[4 * i + 2] = b;
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@ -98,6 +108,12 @@ bool AnimationState::init(const char *name) {
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cr = 0;
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buildLookup(palnum, 256);
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lut2 = lookup[1];
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lutcalcnum = (BITDEPTH + palettes[palnum].end + 2) / (palettes[palnum].end + 2);
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#else
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buildLookup2();
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overlay = (NewGuiColor*)calloc(640 * 400, sizeof(NewGuiColor));
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_vm->_system->show_overlay();
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#endif
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// Open MPEG2 stream
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mpgfile = new File();
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@ -117,9 +133,6 @@ bool AnimationState::init(const char *name) {
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info = mpeg2_info(decoder);
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framenum = 0;
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// Load in palette data
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lutcalcnum = (BITDEPTH + palettes[palnum].end + 2) / (palettes[palnum].end + 2);
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/* Play audio - TODO: Sync with video?*/
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#ifdef USE_VORBIS
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@ -128,8 +141,11 @@ bool AnimationState::init(const char *name) {
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// there?
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sndfile = new File;
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sprintf(tempFile, "%s.ogg", basename);
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if (sndfile->open(tempFile))
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_vm->_mixer->playVorbis(&bgSound, sndfile, 100000000); // FIXME: this size value is bogus
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if (sndfile->open(tempFile)) {
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bgSoundStream = makeVorbisStream(sndfile, sndfile->size());
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_vm->_mixer->playInputStream(&bgSound, bgSoundStream, false, 255, 0, -1);
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}
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#endif
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return true;
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@ -138,6 +154,8 @@ bool AnimationState::init(const char *name) {
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#endif
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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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@ -188,7 +206,7 @@ void AnimationState::buildLookup(int p, int lines) {
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}
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}
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void AnimationState::checkPaletteSwitch() {
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bool AnimationState::checkPaletteSwitch() {
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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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@ -197,9 +215,78 @@ void AnimationState::checkPaletteSwitch() {
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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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return false;
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}
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#else
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bool AnimationState::lookupInit = false;
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NewGuiColor AnimationState::lookup2[BITDEPTH * BITDEPTH * 256];
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void AnimationState::buildLookup2() {
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if (lookupInit) return;
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lookupInit = true;
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int y, cb, cr;
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int r, g, b;
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int pos = 0;
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for (cr = 0; cr < BITDEPTH; cr++) {
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for (cb = 0; cb < BITDEPTH; cb++) {
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for (y = 0; y < 256; y++) {
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r = ((y-16) * 256 + (int) (256 * 1.596) * ((cr << SHIFT) - 128)) / 256;
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g = ((y-16) * 256 - (int) (0.813 * 256) * ((cr << SHIFT) - 128) - (int) (0.391 * 256) * ((cb << SHIFT) - 128)) / 256;
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b = ((y-16) * 256 + (int) (2.018 * 256) * ((cb << SHIFT) - 128)) / 256;
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if (r < 0) r = 0;
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if (r > 255) r = 255;
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if (g < 0) g = 0;
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if (g > 255) g = 255;
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if (b < 0) b = 0;
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if (b > 255) b = 255;
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lookup2[pos++] = _vm->_system->RGBToColor(r, g, b);
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}
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}
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}
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}
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void AnimationState::plotYUV(NewGuiColor *lut, int width, int height, byte *const *dat) {
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NewGuiColor *ptr = overlay + (400-height)/2 * 640 + (640-width)/2;
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int x, y;
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int ypos = 0;
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int cpos = 0;
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int linepos = 0;
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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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int i = ((((dat[2][cpos] + ROUNDADD) >> SHIFT) * BITDEPTH) + ((dat[1][cpos] + ROUNDADD)>>SHIFT)) * 256;
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cpos++;
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ptr[linepos ] = lut[i + dat[0][ ypos ]];
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ptr[RENDERWIDE + linepos++] = lut[i + dat[0][width + ypos++]];
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ptr[linepos ] = lut[i + dat[0][ ypos ]];
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ptr[RENDERWIDE + linepos++] = lut[i + dat[0][width + ypos++]];
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}
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linepos += (2 * 640 - width);
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ypos += width;
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}
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_vm->_system->copy_rect_overlay(overlay, 640, 0, 40, 640, 400);
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}
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#endif
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bool AnimationState::decodeFrame() {
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#ifdef USE_MPEG2
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mpeg2_state_t state;
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@ -219,12 +306,47 @@ bool AnimationState::decodeFrame() {
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case STATE_SLICE:
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case STATE_END:
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if (info->display_fbuf) {
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checkPaletteSwitch();
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_vm->_graphics->plotYUV(lut, sequence_i->width, sequence_i->height, info->display_fbuf->buf);
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framenum++;
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/* simple audio video sync code:
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* we calculate the actual frame by taking the delivered audio samples
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* we add 2 frames as the number of samples delivered is higher than the
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* number actually played due to buffering
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*
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* we then try to stay inside +- 1 frame of this calculated frame number by
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* dropping frames if we run behind and delaying if we are too fast
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*/
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#ifdef BACKEND_8BIT
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if (checkPaletteSwitch() ||
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(bgSoundStream->getSamplesPlayed()*12/bgSoundStream->getRate()) < (framenum+3)){
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_vm->_graphics->plotYUV(lut, sequence_i->width, sequence_i->height, info->display_fbuf->buf);
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while ((bgSoundStream->getSamplesPlayed()*12/bgSoundStream->getRate()) < framenum+1);
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_vm->_system->delay_msecs(10);
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_vm->_graphics->setNeedFullRedraw();
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} else
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printf("dropped frame %i\n", framenum);
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buildLookup(palnum + 1, lutcalcnum);
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#else
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if ((bgSoundStream->getSamplesPlayed()*12/bgSoundStream->getRate()) < (framenum+3)){
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plotYUV(lookup2, sequence_i->width, sequence_i->height, info->display_fbuf->buf);
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while ((bgSoundStream->getSamplesPlayed()*12/bgSoundStream->getRate()) < framenum+1);
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_vm->_system->delay_msecs(10);
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} else
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printf("dropped frame %i\n", framenum);
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#endif
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framenum++;
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return true;
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}
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}
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break;
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default:
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@ -264,7 +386,7 @@ int32 MoviePlayer::play(const char *filename, MovieTextObject *text[], uint8 *mu
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int frameCounter = 0, textCounter = 0;
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PlayingSoundHandle handle;
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bool skipCutscene = false, textVisible = false;
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uint32 flags = SoundMixer::FLAG_16BITS, ticks = _vm->_system->get_msecs() + 83;
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uint32 flags = SoundMixer::FLAG_16BITS;
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uint8 oldPal[1024];
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memcpy(oldPal, _vm->_graphics->_palCopy, 1024);
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@ -285,7 +407,6 @@ int32 MoviePlayer::play(const char *filename, MovieTextObject *text[], uint8 *mu
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#endif
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while (anim->decodeFrame()) {
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_vm->_graphics->setNeedFullRedraw();
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if (text && text[textCounter]) {
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if (frameCounter == text[textCounter]->startFrame) {
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@ -307,7 +428,11 @@ int32 MoviePlayer::play(const char *filename, MovieTextObject *text[], uint8 *mu
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frameCounter++;
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#ifdef BACKEND_8BIT
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_vm->_graphics->updateDisplay(true);
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#else
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_vm->_graphics->updateDisplay(false);
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#endif
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KeyboardEvent ke;
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@ -317,13 +442,6 @@ int32 MoviePlayer::play(const char *filename, MovieTextObject *text[], uint8 *mu
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break;
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}
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// Simulate ~12 frames per second. I don't know what
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// frame rate the original movies had, or even if it
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// was constant, but this seems to work reasonably.
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_vm->sleepUntil(ticks);
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ticks += 82;
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}
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// Wait for the voice to stop playing. This is to make sure
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