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authorEinar Johan Trøan Sømåen2012-07-21 18:19:07 +0200
committerEinar Johan Trøan Sømåen2012-07-21 19:15:33 +0200
commit5683f076331d2831eb4720b65bb53e8d01ca33ee (patch)
tree4357d989476643db887d5f5a95f6fd165afd0514 /engines/wintermute/video/video_theora_player.cpp
parent0622b2c5b8260c0f0c01122d6fbc5e10013d1613 (diff)
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WINTERMUTE: Rename CamelCased filenames to prefixed_under_score-filenames
This is mostly a lead-up to namespacing the Ad/Base folders, and then possibly removing the prefixes from the files, it also has the added benefit of getting rid of the odd case-typos that makes for issues on platforms that don't ignore case.
Diffstat (limited to 'engines/wintermute/video/video_theora_player.cpp')
-rw-r--r--engines/wintermute/video/video_theora_player.cpp850
1 files changed, 850 insertions, 0 deletions
diff --git a/engines/wintermute/video/video_theora_player.cpp b/engines/wintermute/video/video_theora_player.cpp
new file mode 100644
index 0000000000..e3c120ff86
--- /dev/null
+++ b/engines/wintermute/video/video_theora_player.cpp
@@ -0,0 +1,850 @@
+/* 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.
+ *
+ */
+
+/*
+ * This file is based on WME Lite.
+ * http://dead-code.org/redir.php?target=wmelite
+ * Copyright (c) 2011 Jan Nedoma
+ */
+
+
+#include "engines/wintermute/dcgf.h"
+#include "engines/wintermute/video/video_theora_player.h"
+#include "engines/wintermute/base/base.h"
+#include "engines/wintermute/base/base_game.h"
+#include "engines/wintermute/base/base_file_manager.h"
+#include "engines/wintermute/base/gfx/osystem/base_surface_osystem.h"
+#include "engines/wintermute/base/gfx/base_image.h"
+#include "engines/wintermute/base/sound/base_sound_manager.h"
+#include "engines/wintermute/utils/utils.h"
+#include "engines/wintermute/platform_osystem.h"
+#include "engines/wintermute/video/decoders/theora_decoder.h"
+#include "common/system.h"
+//#pragma comment(lib, "libtheora.lib")
+
+namespace WinterMute {
+
+IMPLEMENT_PERSISTENT(CVidTheoraPlayer, false)
+
+//////////////////////////////////////////////////////////////////////////
+CVidTheoraPlayer::CVidTheoraPlayer(CBGame *inGame): CBBase(inGame) {
+ SetDefaults();
+}
+
+//////////////////////////////////////////////////////////////////////////
+void CVidTheoraPlayer::SetDefaults() {
+
+ _file = NULL;
+ _filename = "";
+ _startTime = 0;
+ _looping = false;
+
+ _freezeGame = false;
+ _currentTime = 0;
+
+ _state = THEORA_STATE_NONE;
+
+ _videoFrameReady = false;
+ _audioFrameReady = false;
+ _videobufTime = 0;
+
+ _playbackStarted = false;
+ _dontDropFrames = false;
+
+ _texture = NULL;
+ _alphaImage = NULL;
+ _alphaFilename = "";
+
+ _frameRendered = false;
+
+ _seekingKeyframe = false;
+ _timeOffset = 0.0f;
+
+ _posX = _posY = 0;
+ _playbackType = VID_PLAY_CENTER;
+ _playZoom = 0.0f;
+
+ _savedState = THEORA_STATE_NONE;
+ _savedPos = 0;
+ _volume = 100;
+ _theoraDecoder = NULL;
+#if 0
+ _vorbisStreams = _theoraStreams = 0;
+
+ GenLookupTables();
+
+ _subtitler = NULL;
+#endif
+}
+
+//////////////////////////////////////////////////////////////////////////
+CVidTheoraPlayer::~CVidTheoraPlayer(void) {
+ cleanup();
+
+ /* SAFE_DELETE_ARRAY(_filename);
+ SAFE_DELETE_ARRAY(_alphaFilename);
+ SAFE_DELETE(_texture);
+ SAFE_DELETE(_alphaImage);*/
+// SAFE_DELETE(_subtitler);
+}
+
+//////////////////////////////////////////////////////////////////////////
+void CVidTheoraPlayer::cleanup() {
+ if (_file) {
+ _gameRef->_fileManager->closeFile(_file);
+ _file = NULL;
+ }
+
+ _surface.free();
+ delete _theoraDecoder;
+ _theoraDecoder = NULL;
+ delete _alphaImage;
+ _alphaImage = NULL;
+ delete _texture;
+ _texture = NULL;
+#if 0
+ if (m_Sound) {
+ _gameRef->m_SoundMgr->RemoveSound(m_Sound);
+ m_Sound = NULL;
+ }
+
+ SAFE_DELETE_ARRAY(m_AudioBuf);
+ m_AudioBufFill = 0;
+ m_AudioBufSize = 0;
+#endif
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CVidTheoraPlayer::initialize(const Common::String &filename, const Common::String &subtitleFile) {
+ cleanup();
+
+ _filename = filename;
+ _file = _gameRef->_fileManager->openFile(filename, true, false);
+ if (!_file) return STATUS_FAILED;
+
+ //if (Filename != _filename) CBUtils::setString(&_filename, filename);
+#if defined (USE_THEORADEC)
+ _theoraDecoder = new TheoraDecoder();
+#else
+ return STATUS_FAILED;
+#endif
+ _theoraDecoder->loadStream(_file);
+
+ if (!_theoraDecoder->isVideoLoaded())
+ return STATUS_FAILED;
+
+ _state = THEORA_STATE_PAUSED;
+
+ // Additional setup.
+ _surface.create(_theoraDecoder->getWidth(), _theoraDecoder->getHeight(), _theoraDecoder->getPixelFormat());
+ _texture = new CBSurfaceOSystem(_gameRef);
+ _texture->create(_theoraDecoder->getWidth(), _theoraDecoder->getHeight());
+ _state = THEORA_STATE_PLAYING;
+ _playZoom = 100;
+
+ return STATUS_OK;
+#if 0
+ cleanup();
+
+ _file = _gameRef->_fileManager->openFile(filename);
+ if (!_file) return STATUS_FAILED;
+
+ if (Filename != _filename) CBUtils::setString(&_filename, filename);
+
+ // start up Ogg stream synchronization layer
+ ogg_sync_init(&m_OggSyncState);
+
+ // init supporting Vorbis structures needed in header parsing
+ vorbis_comment_init(&m_VorbisComment);
+ vorbis_info_init(&m_VorbisInfo);
+
+ // init supporting Theora structures needed in header parsing
+ theora_comment_init(&m_TheoraComment);
+ theora_info_init(&m_TheoraInfo);
+
+
+
+ // Ogg file open; parse the headers
+ // Only interested in Vorbis/Theora streams
+ ogg_packet TempOggPacket;
+ bool IsDone = false;
+ while (!IsDone) {
+ int BytesRead = BufferData(&m_OggSyncState);
+ if (BytesRead == 0) break;
+
+ while (ogg_sync_pageout(&m_OggSyncState, &m_OggPage) > 0) {
+ ogg_stream_state OggStateTest;
+
+ // is this a mandated initial header? If not, stop parsing
+ if (!ogg_page_bos(&m_OggPage)) {
+ // don't leak the page; get it into the appropriate stream
+ if (m_TheoraStreams)
+ ogg_stream_pagein(&m_TheoraStreamState, &m_OggPage);
+ if (m_VorbisStreams)
+ ogg_stream_pagein(&m_VorbisStreamState, &m_OggPage);
+
+ IsDone = true;
+ break;
+ }
+
+ ogg_stream_init(&OggStateTest, ogg_page_serialno(&m_OggPage));
+ ogg_stream_pagein(&OggStateTest, &m_OggPage);
+ ogg_stream_packetout(&OggStateTest, &TempOggPacket);
+
+ // identify the codec: try theora
+ if (!m_TheoraStreams && theora_decode_header(&m_TheoraInfo, &m_TheoraComment, &TempOggPacket) >= 0) {
+ // it is theora
+ memcpy(&m_TheoraStreamState, &OggStateTest, sizeof(OggStateTest));
+ m_TheoraStreams = 1;
+ } else if (!m_VorbisStreams && vorbis_synthesis_headerin(&m_VorbisInfo, &m_VorbisComment, &TempOggPacket) >= 0) {
+ // it is vorbis
+ memcpy(&m_VorbisStreamState, &OggStateTest, sizeof(OggStateTest));
+ m_VorbisStreams = 1;
+ } else {
+ // whatever it is, we don't care about it
+ ogg_stream_clear(&OggStateTest);
+ }
+ }
+ }
+
+ // we're expecting more header packets
+ while ((m_TheoraStreams && m_TheoraStreams < 3) || (m_VorbisStreams && m_VorbisStreams < 3)) {
+ int Ret;
+
+ // look for further theora headers
+ while (m_TheoraStreams && (m_TheoraStreams < 3) && (Ret = ogg_stream_packetout(&m_TheoraStreamState, &TempOggPacket))) {
+ if (Ret < 0) {
+ _gameRef->LOG(0, "Error parsing Theora stream headers; corrupt stream?");
+ return STATUS_FAILED;
+ }
+ if (theora_decode_header(&m_TheoraInfo, &m_TheoraComment, &TempOggPacket)) {
+ _gameRef->LOG(0, "Error parsing Theora stream headers; corrupt stream?");
+ return STATUS_FAILED;
+ }
+ m_TheoraStreams++;
+ if (m_TheoraStreams == 3) break;
+ }
+
+ /* look for more vorbis header packets */
+ while (m_VorbisStreams && (m_VorbisStreams < 3) && (Ret = ogg_stream_packetout(&m_VorbisStreamState, &TempOggPacket))) {
+ if (Ret < 0) {
+ _gameRef->LOG(0, "Error parsing Vorbis stream headers; corrupt stream?");
+ return STATUS_FAILED;
+ }
+ if (vorbis_synthesis_headerin(&m_VorbisInfo, &m_VorbisComment, &TempOggPacket)) {
+ _gameRef->LOG(0, "Error parsing Vorbis stream headers; corrupt stream?");
+ return STATUS_FAILED;
+ }
+ m_VorbisStreams++;
+ if (m_VorbisStreams == 3) break;
+ }
+
+ // The header pages/packets will arrive before anything else we
+ // care about, or the stream is not obeying spec
+ if (ogg_sync_pageout(&m_OggSyncState, &m_OggPage) > 0) {
+ if (m_TheoraStreams)
+ ogg_stream_pagein(&m_TheoraStreamState, &m_OggPage);
+ if (m_VorbisStreams)
+ ogg_stream_pagein(&m_VorbisStreamState, &m_OggPage);
+ } else {
+ int Ret = BufferData(&m_OggSyncState); // someone needs more data
+ if (Ret == 0) {
+ _gameRef->LOG(0, "End of file while searching for codec headers");
+ return STATUS_FAILED;
+ }
+ }
+ }
+
+
+
+ // and now we have it all. initialize decoders
+ if (m_TheoraStreams) {
+ theora_decode_init(&m_TheoraState, &m_TheoraInfo);
+ } else {
+ // tear down the partial theora setup
+ theora_info_clear(&m_TheoraInfo);
+ theora_comment_clear(&m_TheoraComment);
+ }
+
+ if (m_VorbisStreams) {
+ vorbis_synthesis_init(&m_VorbisDSPState, &m_VorbisInfo);
+ vorbis_block_init(&m_VorbisDSPState, &m_VorbisBlock);
+
+ } else {
+ // tear down the partial vorbis setup
+ vorbis_info_clear(&m_VorbisInfo);
+ vorbis_comment_clear(&m_VorbisComment);
+ }
+
+ bool Res = STATUS_OK;
+
+ // create sound buffer
+ if (m_VorbisStreams && _gameRef->m_SoundMgr->m_SoundAvailable) {
+ m_Sound = new CBSoundTheora(_gameRef);
+ _gameRef->m_SoundMgr->AddSound(m_Sound);
+ if (DID_FAIL(Res = m_Sound->InitializeBuffer(this))) {
+ _gameRef->m_SoundMgr->RemoveSound(m_Sound);
+ m_Sound = NULL;
+ _gameRef->LOG(Res, "Error initializing sound buffer for Theora file '%s'", filename);
+ } else {
+ SAFE_DELETE_ARRAY(m_AudioBuf);
+ m_AudioBufSize = m_Sound->m_StreamBlockSize;
+ m_AudioBuf = new ogg_int16_t[m_AudioBufSize];
+ }
+ }
+
+ // create texture
+ if (m_TheoraStreams && !m_Texture) {
+ if (_gameRef->m_UseD3D)
+ m_Texture = new CBSurfaceD3D(_gameRef);
+ else
+ m_Texture = new CBSurfaceDD(_gameRef);
+
+ if (!m_Texture || DID_FAIL(Res = m_Texture->Create(m_TheoraInfo.width, m_TheoraInfo.height))) {
+ SAFE_DELETE(m_Texture);
+ }
+ }
+
+
+ if (!m_Subtitler) m_Subtitler = new CVidSubtitler(_gameRef);
+ if (m_Subtitler && _gameRef->m_VideoSubtitles) m_Subtitler->LoadSubtitles(filename, SubtitleFile);
+
+ return Res;
+#endif
+ return STATUS_FAILED;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+bool CVidTheoraPlayer::resetStream() {
+ warning("VidTheoraPlayer::resetStream - stubbed");
+#if 0
+ if (_sound) _sound->Stop();
+
+ m_TimeOffset = 0.0f;
+ Initialize(m_Filename);
+ Play(m_PlaybackType, m_PosX, m_PosY, false, false, m_Looping, 0, m_PlayZoom);
+#endif
+ return STATUS_OK;
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CVidTheoraPlayer::play(TVideoPlayback type, int x, int y, bool freezeGame, bool freezeMusic, bool looping, uint32 startTime, float forceZoom, int volume) {
+ if (forceZoom < 0.0f)
+ forceZoom = 100.0f;
+ if (volume < 0)
+ _volume = _gameRef->_soundMgr->getVolumePercent(Audio::Mixer::kSFXSoundType);
+ else _volume = volume;
+
+ _freezeGame = freezeGame;
+
+ if (!_playbackStarted && _freezeGame)
+ _gameRef->freeze(freezeMusic);
+
+ _playbackStarted = false;
+ float width, height;
+ if (_theoraDecoder) {
+ _surface.copyFrom(*_theoraDecoder->decodeNextFrame());
+ _state = THEORA_STATE_PLAYING;
+ _looping = looping;
+ _playbackType = type;
+
+ _startTime = startTime;
+ _volume = volume;
+ _posX = x;
+ _posY = y;
+ _playZoom = forceZoom;
+
+ width = (float)_theoraDecoder->getWidth();
+ height = (float)_theoraDecoder->getHeight();
+ } else {
+ width = (float)_gameRef->_renderer->_width;
+ height = (float)_gameRef->_renderer->_height;
+ }
+
+ switch (type) {
+ case VID_PLAY_POS:
+ _playZoom = forceZoom;
+ _posX = x;
+ _posY = y;
+ break;
+
+ case VID_PLAY_STRETCH: {
+ float ZoomX = (float)((float)_gameRef->_renderer->_width / width * 100);
+ float ZoomY = (float)((float)_gameRef->_renderer->_height / height * 100);
+ _playZoom = MIN(ZoomX, ZoomY);
+ _posX = (int)((_gameRef->_renderer->_width - width * (_playZoom / 100)) / 2);
+ _posY = (int)((_gameRef->_renderer->_height - height * (_playZoom / 100)) / 2);
+ }
+ break;
+
+ case VID_PLAY_CENTER:
+ _playZoom = 100.0f;
+ _posX = (int)((_gameRef->_renderer->_width - width) / 2);
+ _posY = (int)((_gameRef->_renderer->_height - height) / 2);
+ break;
+ }
+ return STATUS_OK;
+#if 0
+
+ m_State = THEORA_STATE_PLAYING;
+
+ m_Looping = Looping;
+ m_PlaybackType = Type;
+
+ float Width, Height;
+ if (m_TheoraStreams) {
+ Width = (float)m_TheoraInfo.width;
+ Height = (float)m_TheoraInfo.height;
+ } else {
+ Width = (float)_gameRef->m_Renderer->m_Width;
+ Height = (float)_gameRef->m_Renderer->m_Height;
+ }
+
+ switch (Type) {
+ case VID_PLAY_POS:
+ m_PlayZoom = ForceZoom;
+ m_PosX = X;
+ m_PosY = Y;
+ break;
+
+ case VID_PLAY_STRETCH: {
+ float ZoomX = (float)((float)_gameRef->m_Renderer->m_Width / Width * 100);
+ float ZoomY = (float)((float)_gameRef->m_Renderer->m_Height / Height * 100);
+ m_PlayZoom = min(ZoomX, ZoomY);
+ m_PosX = (_gameRef->m_Renderer->m_Width - Width * (m_PlayZoom / 100)) / 2;
+ m_PosY = (_gameRef->m_Renderer->m_Height - Height * (m_PlayZoom / 100)) / 2;
+ }
+ break;
+
+ case VID_PLAY_CENTER:
+ m_PlayZoom = 100.0f;
+ m_PosX = (_gameRef->m_Renderer->m_Width - Width) / 2;
+ m_PosY = (_gameRef->m_Renderer->m_Height - Height) / 2;
+ break;
+ }
+
+
+ if (StartTime) SeekToTime(StartTime);
+
+ Update();
+#endif
+ return STATUS_FAILED;
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CVidTheoraPlayer::stop() {
+ _theoraDecoder->close();
+ _state = THEORA_STATE_FINISHED;
+ if (_freezeGame) {
+ _gameRef->unfreeze();
+ }
+#if 0
+ if (m_Sound) m_Sound->Stop();
+ m_State = THEORA_STATE_FINISHED;
+ if (m_FreezeGame) _gameRef->Unfreeze();
+#endif
+ return STATUS_OK;
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CVidTheoraPlayer::update() {
+ _currentTime = _freezeGame ? _gameRef->_liveTimer : _gameRef->_timer;
+
+ if (!isPlaying()) return STATUS_OK;
+
+ if (_playbackStarted /*&& m_Sound && !m_Sound->IsPlaying()*/) return STATUS_OK;
+
+ if (_playbackStarted && !_freezeGame && _gameRef->_state == GAME_FROZEN) return STATUS_OK;
+
+ if (_theoraDecoder) {
+ if (_theoraDecoder->endOfVideo() && _looping) {
+ warning("Should loop movie");
+ _theoraDecoder->rewind();
+ } else if (_theoraDecoder->endOfVideo() && !_looping) {
+ warning("Finished movie");
+ _state = THEORA_STATE_FINISHED;
+ _playbackStarted = false;
+ if (_freezeGame) _gameRef->unfreeze();
+ }
+ if (_state == THEORA_STATE_PLAYING) {
+ if (_theoraDecoder->getTimeToNextFrame() == 0) {
+ _surface.copyFrom(*_theoraDecoder->decodeNextFrame());
+ if (_texture) {
+ WriteVideo();
+ }
+ }
+ return STATUS_OK;
+ }
+ }
+ // Skip the busy-loop?
+ if ((!_texture || !_videoFrameReady) && !_theoraDecoder->endOfVideo()) {
+ // end playback
+ if (!_looping) {
+ _state = THEORA_STATE_FINISHED;
+ if (_freezeGame) _gameRef->unfreeze();
+ return STATUS_OK;
+ } else {
+ resetStream();
+ return STATUS_OK;
+ }
+ }
+
+#if 0
+ m_CurrentTime = m_FreezeGame ? _gameRef->m_LiveTimer : _gameRef->m_Timer;
+
+ if (!IsPlaying()) return STATUS_OK;
+
+ if (m_PlaybackStarted && m_Sound && !m_Sound->IsPlaying()) return STATUS_OK;
+
+ if (m_PlaybackStarted && !m_FreezeGame && _gameRef->m_State == GAME_FROZEN) return STATUS_OK;
+
+ int Counter = 0;
+ while (true) {
+ if (m_Sound) DecodeVorbis();
+ else m_AudioFrameReady = true;
+
+ if (m_Texture) DecodeTheora();
+ else m_VideoFrameReady = true;
+
+ if ((!m_Sound || !m_AudioFrameReady) && (!m_Texture || !m_VideoFrameReady) && m_File->IsEOF()) {
+ // end playback
+ if (!m_Looping) {
+ m_State = THEORA_STATE_FINISHED;
+ if (m_Sound) m_Sound->Stop();
+ if (m_FreezeGame) _gameRef->Unfreeze();
+ break;
+ } else {
+ ResetStream();
+ return STATUS_OK;
+ }
+ }
+
+
+ if (!m_VideoFrameReady || !m_AudioFrameReady) {
+ Counter++;
+ if (StreamInData() == 0) break;
+ } else break;
+ }
+
+
+ // If playback has begun, top audio buffer off immediately.
+ //if(m_Sound) WriteAudio();
+
+ // are we at or past time for this video frame?
+ if (m_PlaybackStarted && m_VideoFrameReady && (!m_FrameRendered || m_VideobufTime <= GetMovieTime())) {
+ //_gameRef->LOG(0, "%f %f", m_VideobufTime, GetMovieTime());
+ if (m_Texture) WriteVideo();
+ m_VideoFrameReady = false;
+
+ if (m_SavedState == THEORA_STATE_PAUSED) {
+ Pause();
+ m_SavedState = THEORA_STATE_NONE;
+ }
+ }
+
+ // if our buffers either don't exist or are ready to go,
+ // we can begin playback
+ bool StartNow = false;
+ if ((!m_TheoraStreams || m_VideoFrameReady) &&
+ (!m_VorbisStreams || m_AudioFrameReady)) StartNow = true;
+ // same if we've run out of input
+ if (m_File->IsEOF()) StartNow = true;
+
+
+ if (m_Sound) WriteAudio();
+
+
+ if (!m_PlaybackStarted && StartNow && !m_SeekingKeyframe) {
+ //m_StartTime = timeGetTime();
+ m_StartTime = m_CurrentTime;
+ if (m_Sound) {
+ m_Sound->SetPrivateVolume(m_Volume);
+ m_Sound->Play();
+ }
+ m_PlaybackStarted = true;
+ }
+
+ if (m_Subtitler && _gameRef->m_VideoSubtitles) m_Subtitler->update(GetMovieFrame());
+#endif
+ return STATUS_OK;
+}
+
+//////////////////////////////////////////////////////////////////////////
+uint32 CVidTheoraPlayer::getMovieTime() {
+ if (!_playbackStarted) {
+ return 0;
+ } else {
+ return _theoraDecoder->getTime();
+ }
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+uint32 CVidTheoraPlayer::getMovieFrame() {
+#if 0
+ if (!m_TheoraStreams) return 0;
+ float Time = GetMovieTime();
+
+ return Time / ((double)m_TheoraInfo.fps_denominator / m_TheoraInfo.fps_numerator);
+#endif
+ if (_theoraDecoder) {
+ return _theoraDecoder->getTime();
+ } else {
+ return 0;
+ }
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CVidTheoraPlayer::WriteVideo() {
+ if (!_texture) return STATUS_FAILED;
+
+ _texture->startPixelOp();
+
+ writeAlpha();
+ if (_alphaImage) {
+ _texture->putSurface(_surface, true);
+ } else {
+ _texture->putSurface(_surface, false);
+ }
+
+ //RenderFrame(_texture, &yuv);
+
+ _texture->endPixelOp();
+ _videoFrameReady = true;
+ return STATUS_OK;
+}
+
+void CVidTheoraPlayer::writeAlpha() {
+ if (_alphaImage && _surface.w == _alphaImage->getSurface()->w && _surface.h == _alphaImage->getSurface()->h) {
+ assert(_alphaImage->getSurface()->format.bytesPerPixel == 4);
+ assert(_surface.format.bytesPerPixel == 4);
+ const byte *alphaData = (byte *)_alphaImage->getSurface()->getBasePtr(0, 0);
+ int alphaPlace = (_alphaImage->getSurface()->format.aShift / 8);
+ alphaData += alphaPlace;
+ byte *imgData = (byte *)_surface.getBasePtr(0, 0);
+ imgData += (_surface.format.aShift / 8);
+ for (int i = 0; i < _surface.w * _surface.h; i++) {
+ *imgData = *alphaData;
+ alphaData += 4;
+ imgData += 4;
+ }
+ }
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CVidTheoraPlayer::display(uint32 alpha) {
+ Rect32 rc;
+ bool res;
+
+ if (_texture && _videoFrameReady) {
+ CBPlatform::setRect(&rc, 0, 0, _texture->getWidth(), _texture->getHeight());
+ if (_playZoom == 100.0f) res = _texture->displayTrans(_posX, _posY, rc, alpha);
+ else res = _texture->displayTransZoom(_posX, _posY, rc, _playZoom, _playZoom, alpha);
+ } else res = STATUS_FAILED;
+#if 0
+ if (m_Subtitler && _gameRef->m_VideoSubtitles) m_Subtitler->display();
+#endif
+ return res;
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CVidTheoraPlayer::setAlphaImage(const Common::String &filename) {
+ warning("CVidTheoraPlayer::SetAlphaImage(%s) - Not implemented", filename.c_str());
+
+ delete _alphaImage;
+ _alphaImage = new CBImage(_gameRef);
+ if (!_alphaImage || DID_FAIL(_alphaImage->loadFile(filename))) {
+ delete _alphaImage;
+ _alphaImage = NULL;
+ _alphaFilename = "";
+ return STATUS_FAILED;
+ }
+
+ if (_alphaFilename != filename) {
+ _alphaFilename = filename;
+ }
+ //TODO: Conversion.
+#if 0
+ SAFE_DELETE(m_AlphaImage);
+ m_AlphaImage = new CBImage(_gameRef);
+ if (!m_AlphaImage || DID_FAIL(m_AlphaImage->loadFile(filename))) {
+ SAFE_DELETE(m_AlphaImage);
+ SAFE_DELETE_ARRAY(m_AlphaFilename);
+ return STATUS_FAILED;
+ }
+ if (m_AlphaFilename != Filename) CBUtils::setString(&m_AlphaFilename, filename);
+ m_AlphaImage->Convert(IMG_TRUECOLOR);
+#endif
+ return STATUS_OK;
+}
+
+//////////////////////////////////////////////////////////////////////////
+byte CVidTheoraPlayer::getAlphaAt(int x, int y) {
+ if (_alphaImage) return _alphaImage->getAlphaAt(x, y);
+ else return 0xFF;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+inline int intlog(int num) {
+ int r = 0;
+ while (num > 0) {
+ num = num / 2;
+ r = r + 1;
+ }
+
+ return r;
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CVidTheoraPlayer::SeekToTime(uint32 time) {
+ warning("CVidTheoraPlayer::SeekToTime(%d) - not supported", time);
+#if 0
+ if (!m_TheoraStreams) return STATUS_FAILED;
+
+
+ float TargetTime = Time / 1000.0f;
+
+
+ ogg_page page;
+ int read = 1;
+ ogg_int64_t gran;
+ float movieLength = 0;
+ DWORD LastPos = 0;
+
+ int keyframe_granule_shift = intlog(m_TheoraInfo.keyframe_frequency_force - 1);
+
+ while (!m_File->IsEOF() && read != 0) {
+ read = BufferData(&m_OggSyncState);
+
+ while (ogg_sync_pageout(&m_OggSyncState, &page) > 0) {
+ int serno = ogg_page_serialno(&page);
+ //This is theora stream we were searching for
+ if (m_TheoraStreamState.serialno == serno) {
+ //Calculate a rough time estimate
+ gran = ogg_page_granulepos(&page);
+ if (gran >= 0) {
+ ogg_int64_t iframe = gran >> keyframe_granule_shift;
+ ogg_int64_t pframe = gran - (iframe << keyframe_granule_shift);
+ movieLength = (iframe + pframe) *
+ ((double)m_TheoraInfo.fps_denominator / m_TheoraInfo.fps_numerator);
+
+ if (movieLength >= TargetTime) {
+ m_TimeOffset = movieLength;
+ //m_TimeOffset = TargetTime;
+ //m_File->Seek(LastPos);
+
+ goto finish;
+ }
+ LastPos = m_File->GetPos();
+ }
+ }
+ }
+ }
+
+finish:
+ ogg_sync_reset(&m_OggSyncState);
+
+ ogg_stream_reset(&m_TheoraStreamState);
+ ogg_stream_reset(&m_VorbisStreamState);
+
+ theora_clear(&m_TheoraState);
+ theora_decode_init(&m_TheoraState, &m_TheoraInfo);
+ vorbis_synthesis_restart(&m_VorbisDSPState);
+
+ m_SeekingKeyframe = true;
+
+ //theora_packet_iskeyframe
+
+#endif
+ return STATUS_OK;
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CVidTheoraPlayer::pause() {
+ if (_state == THEORA_STATE_PLAYING) {
+ _state = THEORA_STATE_PAUSED;
+ _theoraDecoder->pauseVideo(true);
+ return STATUS_OK;
+ } else {
+ return STATUS_FAILED;
+ }
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CVidTheoraPlayer::resume() {
+ if (_state == THEORA_STATE_PAUSED) {
+ _state = THEORA_STATE_PLAYING;
+ _theoraDecoder->pauseVideo(false);
+ return STATUS_OK;
+ } else {
+ return STATUS_FAILED;
+ }
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CVidTheoraPlayer::persist(CBPersistMgr *persistMgr) {
+ //CBBase::persist(persistMgr);
+
+ if (persistMgr->_saving) {
+ _savedPos = getMovieTime() * 1000;
+ _savedState = _state;
+ } else {
+ SetDefaults();
+ }
+
+ persistMgr->transfer(TMEMBER(_gameRef));
+ persistMgr->transfer(TMEMBER(_savedPos));
+ persistMgr->transfer(TMEMBER(_savedState));
+ persistMgr->transfer(TMEMBER(_filename));
+ persistMgr->transfer(TMEMBER(_alphaFilename));
+ persistMgr->transfer(TMEMBER(_posX));
+ persistMgr->transfer(TMEMBER(_posY));
+ persistMgr->transfer(TMEMBER(_playZoom));
+ persistMgr->transfer(TMEMBER_INT(_playbackType));
+ persistMgr->transfer(TMEMBER(_looping));
+ persistMgr->transfer(TMEMBER(_volume));
+
+ if (!persistMgr->_saving && (_savedState != THEORA_STATE_NONE)) {
+ initializeSimple();
+ }
+
+ return STATUS_OK;
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CVidTheoraPlayer::initializeSimple() {
+ if (DID_SUCCEED(initialize(_filename))) {
+ if (_alphaFilename != "") setAlphaImage(_alphaFilename);
+ play(_playbackType, _posX, _posY, false, false, _looping, _savedPos, _playZoom);
+ } else _state = THEORA_STATE_FINISHED;
+
+ return STATUS_OK;
+}
+
+//////////////////////////////////////////////////////////////////////////
+CBSurface *CVidTheoraPlayer::getTexture() {
+ return _texture;
+}
+
+} // end of namespace WinterMute