aboutsummaryrefslogtreecommitdiff
path: root/engines/groovie/player.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'engines/groovie/player.cpp')
-rw-r--r--engines/groovie/player.cpp98
1 files changed, 98 insertions, 0 deletions
diff --git a/engines/groovie/player.cpp b/engines/groovie/player.cpp
new file mode 100644
index 0000000000..5bac190701
--- /dev/null
+++ b/engines/groovie/player.cpp
@@ -0,0 +1,98 @@
+/* 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 "groovie/groovie.h"
+#include "groovie/player.h"
+
+namespace Groovie {
+
+VideoPlayer::VideoPlayer(GroovieEngine *vm) :
+ _vm(vm), _syst(vm->_system), _file(NULL), _audioStream(NULL) {
+}
+
+bool VideoPlayer::load(Common::SeekableReadStream *file, uint16 flags) {
+ _file = file;
+ _flags = flags;
+ _audioStream = NULL;
+
+ uint16 fps = loadInternal();
+
+ if (fps != 0) {
+ _millisBetweenFrames = 1000 / fps;
+ _begunPlaying = false;
+ return true;
+ } else {
+ _file = NULL;
+ return false;
+ }
+}
+
+bool VideoPlayer::playFrame() {
+ bool end = true;
+
+ // Process the next frame while the file is open
+ if (_file) {
+ end = playFrameInternal();
+ }
+
+ // The file has been completely processed
+ if (end) {
+ _file = NULL;
+
+ // Wait for pending audio
+ if (_audioStream) {
+ if (_audioStream->endOfData()) {
+ // Mark the audio stream as finished (no more data will be appended)
+ _audioStream->finish();
+ } else {
+ // Don't end if there's still audio playing
+ end = false;
+ }
+ }
+ }
+
+ return end;
+}
+
+void VideoPlayer::waitFrame() {
+ uint32 currTime = _syst->getMillis();
+ if (!_begunPlaying) {
+ _begunPlaying = true;
+ _lastFrameTime = currTime;
+ } else {
+ uint32 millisDiff = currTime - _lastFrameTime;
+ if (millisDiff < _millisBetweenFrames) {
+ debugC(7, kGroovieDebugVideo | kGroovieDebugAll, "Groovie::Player: Delaying %d (currTime=%d, _lastFrameTime=%d, millisDiff=%d, _millisBetweenFrame=%d)",
+ _millisBetweenFrames - millisDiff, currTime, _lastFrameTime, millisDiff, _millisBetweenFrames);
+ _syst->delayMillis(_millisBetweenFrames - millisDiff);
+ currTime = _syst->getMillis();
+ debugC(7, kGroovieDebugVideo | kGroovieDebugAll, "Groovie::Player: Finished delay at %d", currTime);
+ }
+ debugC(6, kGroovieDebugVideo | kGroovieDebugAll, "Groovie::Player: Frame displayed at %d (%f FPS)", currTime, 1000.0 / (currTime - _lastFrameTime));
+ _lastFrameTime = currTime;
+ }
+}
+
+} // End of Groovie namespace