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/* 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.
*
*/
#include "bladerunner/vqa_player.h"
#include "bladerunner/bladerunner.h"
#include "audio/decoders/raw.h"
#include "common/system.h"
namespace BladeRunner {
bool VQAPlayer::open(const Common::String &name) {
_s = _vm->getResourceStream(name);
if (!_s) {
return false;
}
if (!_decoder.loadStream(_s)) {
delete _s;
_s = nullptr;
return false;
}
_hasAudio = _decoder.hasAudio();
if (_hasAudio) {
_audioStream = Audio::makeQueuingAudioStream(_decoder.frequency(), false);
}
_repeatsCount = 0;
_loop = -1;
_frameBegin = -1;
_frameEnd = _decoder.numFrames() - 1;
_frameEndQueued = -1;
_repeatsCountQueued = -1;
if (_loopInitial >= 0) {
setLoop(_loopInitial, _repeatsCountInitial, kLoopSetModeImmediate, nullptr, nullptr);
} else {
setBeginAndEndFrame(0, _frameEnd, 0, kLoopSetModeJustStart, nullptr, nullptr);
}
return true;
}
void VQAPlayer::close() {
_vm->_mixer->stopHandle(_soundHandle);
delete _s;
_s = nullptr;
}
int VQAPlayer::update() {
uint32 now = 60 * _vm->_system->getMillis();
if (_frameNext < 0) {
_frameNext = _frameBegin;
}
if ((_repeatsCount > 0 || _repeatsCount == -1) && (_frameNext > _frameEnd)) {
int loopEndQueued = _frameEndQueued;
if (_frameEndQueued != -1) {
_frameEnd = _frameEndQueued;
_frameEndQueued = -1;
}
if (_frameNext != _frameBegin) {
_frameNext = _frameBegin;
}
if (loopEndQueued == -1) {
if (_repeatsCount != -1) {
_repeatsCount--;
}
//callback for repeat, it is not used in the blade runner
} else {
_repeatsCount = _repeatsCountQueued;
_repeatsCountQueued = -1;
if (_callbackLoopEnded != nullptr) {
_callbackLoopEnded(_callbackData, 0, _loop);
}
}
return -1;
}
if (_frameNext > _frameEnd) {
return -3;
}
// TODO: preload audio in better way
int audioPreloadFrames = 3;
if (now >= _frameNextTime) {
int frame = _frameNext;
_decoder.readFrame(_frameNext, 0x2);
_decoder.decodeVideoFrame();
if (_hasAudio) {
if (!_audioStarted) {
for (int i = 0; i < audioPreloadFrames; i++) {
if (_frameNext + i < _frameEnd) {
_decoder.readFrame(_frameNext + i, 0x1);
queueAudioFrame(_decoder.decodeAudioFrame());
}
}
_vm->_mixer->playStream(Audio::Mixer::kPlainSoundType, &_soundHandle, _audioStream);
_audioStarted = true;
}
if (_frameNext + audioPreloadFrames < _frameEnd) {
_decoder.readFrame(_frameNext + audioPreloadFrames, 0x1);
queueAudioFrame(_decoder.decodeAudioFrame());
}
}
if (_frameNextTime == 0) {
_frameNextTime = now + 60000 / 15;
} else {
_frameNextTime += 60000 / 15;
}
_frameNext++;
return frame;
}
return -1;
}
void VQAPlayer::updateZBuffer(ZBuffer *zbuffer) {
_decoder.decodeZBuffer(zbuffer);
}
void VQAPlayer::updateView(View *view) {
_decoder.decodeView(view);
}
void VQAPlayer::updateLights(Lights *lights) {
_decoder.decodeLights(lights);
}
bool VQAPlayer::setLoop(int loop, int repeatsCount, int loopSetMode, void (*callback)(void *, int, int), void *callbackData) {
debug("VQAPlayer::setBeginAndEndFrameFromLoop(%i, %i, %i), streamLoaded = %i", loop, repeatsCount, loopSetMode, _s != nullptr);
if (_s == nullptr) {
_loopInitial = loop;
_repeatsCountInitial = repeatsCount;
return true;
}
int begin, end;
if (!_decoder.getLoopBeginAndEndFrame(loop, &begin, &end)) {
return false;
}
if (setBeginAndEndFrame(begin, end, repeatsCount, loopSetMode, callback, callbackData)) {
_loop = loop;
return true;
}
return false;
}
bool VQAPlayer::setBeginAndEndFrame(int begin, int end, int repeatsCount, int loopSetMode, void (*callback)(void *, int, int), void *callbackData) {
debug("VQAPlayer::setBeginAndEndFrame(%i, %i, %i, %i), streamLoaded = %i", begin, end, repeatsCount, loopSetMode, _s != nullptr);
if (repeatsCount < 0) {
repeatsCount = -1;
}
if (_repeatsCount == 0 && loopSetMode == kLoopSetModeEnqueue) {
loopSetMode = kLoopSetModeImmediate;
}
//TODO: there is code in original game which deals with changing loop at start of loop, is it nescesarry? loc_46EA04
_frameBegin = begin;
if (loopSetMode == kLoopSetModeJustStart) {
_repeatsCount = repeatsCount;
} else if (loopSetMode == kLoopSetModeEnqueue) {
_repeatsCountQueued = repeatsCount;
_frameEndQueued = end;
} else if (loopSetMode == kLoopSetModeImmediate) {
_repeatsCount = repeatsCount;
_frameEnd = end;
seekToFrame(begin);
}
_callbackLoopEnded = callback;
_callbackData = callbackData;
return true;
}
bool VQAPlayer::seekToFrame(int frame) {
_frameNext = frame;
_frameNextTime = 60 * _vm->_system->getMillis();
return true;
}
int VQAPlayer::getLoopBeginFrame(int loop) {
int begin, end;
if (!_decoder.getLoopBeginAndEndFrame(loop, &begin, &end)) {
return -1;
}
return begin;
}
int VQAPlayer::getLoopEndFrame(int loop) {
int begin, end;
if (!_decoder.getLoopBeginAndEndFrame(loop, &begin, &end)) {
return -1;
}
return end;
}
void VQAPlayer::queueAudioFrame(Audio::AudioStream *audioStream) {
int n = _audioStream->numQueuedStreams();
if (n == 0)
warning("numQueuedStreams: %d", n);
_audioStream->queueAudioStream(audioStream, DisposeAfterUse::YES);
}
} // End of namespace BladeRunner
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