From 3fddbc18d6e0a3a783883b9a9bb0c24f50397e6a Mon Sep 17 00:00:00 2001
From: Max Horn
Date: Tue, 23 Mar 2004 00:10:18 +0000
Subject: Unify MPEG2 code even more

svn-id: r13365
---
 sword1/animation.cpp | 74 +++-------------------------------------------------
 sword1/animation.h   |  3 +--
 2 files changed, 5 insertions(+), 72 deletions(-)

(limited to 'sword1')

diff --git a/sword1/animation.cpp b/sword1/animation.cpp
index 0f2164c08b..0b79d91a07 100644
--- a/sword1/animation.cpp
+++ b/sword1/animation.cpp
@@ -43,79 +43,13 @@ void AnimationState::setPalette(byte *pal) {
 
 #endif
 
-bool AnimationState::decodeFrame() {
-#ifdef USE_MPEG2
-	mpeg2_state_t state;
-	const mpeg2_sequence_t *sequence_i;
-	size_t size = (size_t) -1;
-
-	do {
-		state = mpeg2_parse(decoder);
-		sequence_i = info->sequence;
-
-		switch (state) {
-		case STATE_BUFFER:
-			size = mpgfile->read(buffer, BUFFER_SIZE);
-			mpeg2_buffer(decoder, buffer, buffer + size);
-			break;
-
-		case STATE_SLICE:
-		case STATE_END:
-			if (info->display_fbuf) {
-				/* simple audio video sync code:
-				 * we calculate the actual frame by taking the elapsed audio time and try
-				 * to stay inside +- 1 frame of this calculated frame number by dropping
-				 * frames if we run behind and delaying if we are too fast
-				 */
-
-				/* Avoid deadlock is sound was too far ahead */
-				if (bgSoundStream && !bgSound.isActive())
-					return false;
-
-				if (checkPaletteSwitch() || (bgSoundStream == NULL) ||
-					((_snd->getChannelElapsedTime(bgSound) * 12) / 1000 < framenum + 1) ||
-					frameskipped > 10) {
-					if (frameskipped > 10) {
-						warning("force frame %i redraw", framenum);
-						frameskipped = 0;
-					}
+void AnimationState::drawYUV(int width, int height, byte *const *dat) {
 #ifdef BACKEND_8BIT
-					_scr->plotYUV(lut, sequence_i->width, sequence_i->height, info->display_fbuf->buf);
+	_scr->plotYUV(lut, width, height, dat);
 #else
-					plotYUV(lookup, sequence_i->width, sequence_i->height, info->display_fbuf->buf);
-					_sys->copy_rect_overlay(overlay, MOVIE_WIDTH, 0, 40, MOVIE_WIDTH, MOVIE_HEIGHT);
-#endif
-
-					if (bgSoundStream) {
-						while ((_snd->getChannelElapsedTime(bgSound) * 12) / 1000 < framenum)
-							_sys->delay_msecs(10);
-					} else {
-						ticks += 83;
-						while (_sys->get_msecs() < ticks)
-							_sys->delay_msecs(10);
-					}
-
-				} else {
-					warning("dropped frame %i", framenum);
-					frameskipped++;
-				}
-
-#ifdef BACKEND_8BIT
-				buildLookup(palnum + 1, lutcalcnum);
-#endif
-
-				framenum++;
-				return true;
-
-			}
-			break;
-
-		default:
-			break;
-		}
-	} while (size);
+	plotYUV(lookup, width, height, dat);
+	_sys->copy_rect_overlay(overlay, MOVIE_WIDTH, 0, 40, MOVIE_WIDTH, MOVIE_HEIGHT);
 #endif
-	return false;
 }
 
 MoviePlayer::MoviePlayer(Screen *scr, SoundMixer *snd, OSystem *sys)
diff --git a/sword1/animation.h b/sword1/animation.h
index 567bb7ebf0..b1a0ecc6a0 100644
--- a/sword1/animation.h
+++ b/sword1/animation.h
@@ -39,9 +39,8 @@ public:
 	AnimationState(Screen *scr, SoundMixer *snd, OSystem *sys);
 	~AnimationState();
 
-	bool decodeFrame();
-
 private:
+	void drawYUV(int width, int height, byte *const *dat);
 
 #ifdef BACKEND_8BIT
 	void setPalette(byte *pal);
-- 
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