/*************************************************************************** * Copyright (C) 2010 * by Dimok * * This software is provided 'as-is', without any express or implied * warranty. In no event will the authors be held liable for any * damages arising from the use of this software. * * Permission is granted to anyone to use this software for any * purpose, including commercial applications, and to alter it and * redistribute it freely, subject to the following restrictions: * * 1. The origin of this software must not be misrepresented; you * must not claim that you wrote the original software. If you use * this software in a product, an acknowledgment in the product * documentation would be appreciated but is not required. * * 2. Altered source versions must be plainly marked as such, and * must not be misrepresented as being the original software. * * 3. This notice may not be removed or altered from any source * distribution. * * WiiMovie.cpp * * for WiiXplorer 2010 ***************************************************************************/ #include <unistd.h> #include <asndlib.h> #include "wiiuse/wpad.h" #include "WiiMovie.hpp" #include "musicplayer.h" #include "gecko.h" #define SND_BUFFERS 8 #define FRAME_BUFFERS 8 static BufferCircle * soundBuffer = NULL; WiiMovie::WiiMovie(const char * filepath) { VideoFrameCount = 0; fps = 0.0f; ExitRequested = false; fullScreen = false; Playing = false; volume = 128; ThreadStack = NULL; PlayThread = LWP_THREAD_NULL; gprintf("Opening video '%s'\n", filepath); string file(filepath); Video = openVideo(file); if(!Video) { gprintf("Open video failed\n"); ExitRequested = true; return; } SndChannels = (Video->getNumChannels() == 2) ? VOICE_STEREO_16BIT : VOICE_MONO_16BIT; SndFrequence = Video->getFrequency(); fps = Video->getFps(); maxSoundSize = Video->getMaxAudioSamples()*Video->getNumChannels()*2; gprintf("Open video succeeded: sound channels: %d, Frequency: %d, FPS: %4.3f\n", SndChannels, SndFrequence, fps); if (Video->hasSound()) { gprintf("Video has sound\n"); soundBuffer = &SoundBuffer; soundBuffer->Resize(SND_BUFFERS); soundBuffer->SetBufferBlockSize(maxSoundSize * FRAME_BUFFERS); } PlayThreadStack = NULL; ThreadStack = (u8 *) memalign(32, 32768); if (!ThreadStack) return; LWP_MutexInit(&mutex, true); LWP_CreateThread (&ReadThread, UpdateThread, this, ThreadStack, 32768, LWP_PRIO_HIGHEST); gprintf("Reading frames thread started\n"); } WiiMovie::~WiiMovie() { gprintf("Destructing WiiMovie object\n"); Playing = true; ExitRequested = true; Stop(); LWP_ResumeThread(ReadThread); LWP_JoinThread(ReadThread, NULL); LWP_MutexDestroy(mutex); ASND_StopVoice(10); MusicPlayer::Instance()->Play(); if (ReadThread != LWP_THREAD_NULL) { LWP_ResumeThread(ReadThread); LWP_JoinThread(ReadThread, NULL); } if (mutex != LWP_MUTEX_NULL) { LWP_MutexUnlock(mutex); LWP_MutexDestroy(mutex); } if (ThreadStack != NULL) { SAFE_FREE(ThreadStack); ThreadStack = NULL; } soundBuffer = NULL; Frames.clear(); if(Video) closeVideo(Video); } bool WiiMovie::Play(bool loop) { if(!Video) return false; gprintf("Start playing video\n"); PlayThreadStack = (u8 *) memalign(32, 32768); if (PlayThreadStack == NULL) return false; Playing = true; PlayTime.reset(); Video->loop = loop; gprintf("Start playing thread\n"); LWP_ResumeThread(ReadThread); LWP_CreateThread(&PlayThread, PlayingThread, this, PlayThreadStack, 32768, 70); return true; } void WiiMovie::Stop() { gprintf("Stopping WiiMovie video\n"); ExitRequested = true; if (PlayThread != LWP_THREAD_NULL) { LWP_JoinThread(PlayThread, NULL); } PlayThread = LWP_THREAD_NULL; gprintf("Playing thread stopped\n"); SAFE_FREE(PlayThreadStack); } void WiiMovie::SetVolume(int vol) { volume = 255 * vol/100; ASND_ChangeVolumeVoice(10, volume, volume); } void WiiMovie::SetScreenSize(int width, int height, int top, int left) { screenwidth = width; screenheight = height; screenleft = left; screentop = top; } void WiiMovie::SetFullscreen() { if(!Video) return; float newscale = 1000.0f; float vidwidth = (float) width * 1.0f; float vidheight = (float) height * 1.0f; int retries = 100; fullScreen = true; while(vidheight * newscale > screenheight || vidwidth * newscale > screenwidth) { if(vidheight * newscale > screenheight) newscale = screenheight/vidheight; if(vidwidth * newscale > screenwidth) newscale = screenwidth/vidwidth; retries--; if(retries == 0) { newscale = 1.0f; break; } } scaleX = scaleY = newscale; } void WiiMovie::SetFrameSize(int w, int h) { if(!Video) return; scaleX = (float) w /(float) width; scaleY = (float) h /(float) height; } void WiiMovie::SetAspectRatio(float Aspect) { if(!Video) return; float vidwidth = (float) height*scaleY*Aspect; scaleX = (float) width/vidwidth; } extern "C" void THPSoundCallback(int voice) { if (!soundBuffer || !soundBuffer->IsBufferReady()) return; if(ASND_AddVoice(voice, soundBuffer->GetBuffer(), soundBuffer->GetBufferSize()) != SND_OK) return; soundBuffer->LoadNext(); } void WiiMovie::FrameLoadLoop() { while (!ExitRequested) { LoadNextFrame(); while (Frames.size() > FRAME_BUFFERS && !ExitRequested) usleep(100); } } void * WiiMovie::UpdateThread(void *arg) { WiiMovie *movie = static_cast<WiiMovie *>(arg); while (!movie->ExitRequested) { movie->ReadNextFrame(); usleep(100); } return NULL; } void * WiiMovie::PlayingThread(void *arg) { WiiMovie *movie = static_cast<WiiMovie *>(arg); movie->FrameLoadLoop(); return NULL; } void WiiMovie::ReadNextFrame() { if(!Playing) LWP_SuspendThread(ReadThread); u32 FramesNeeded = (u32) (PlayTime.elapsed()*fps); gprintf("Reading needed frames: %d\n", FramesNeeded); while(VideoFrameCount < FramesNeeded) { LWP_MutexLock(mutex); Video->loadNextFrame(); LWP_MutexUnlock(mutex); ++VideoFrameCount; gprintf("Loaded video frame: %d\n", VideoFrameCount); if(Video->hasSound()) { u32 newWhich = SoundBuffer.Which(); int i = 0; for (i = 0; i < SoundBuffer.Size()-2; ++i) { if (!SoundBuffer.IsBufferReady(newWhich)) break; newWhich = (newWhich + 1) % SoundBuffer.Size(); } if (i == SoundBuffer.Size() - 2) return; int currentSize = SoundBuffer.GetBufferSize(newWhich); currentSize += Video->getCurrentBuffer((s16 *) (&SoundBuffer.GetBuffer(newWhich)[currentSize]))*SndChannels*2; SoundBuffer.SetBufferSize(newWhich, currentSize); if(currentSize >= (FRAME_BUFFERS-1)*maxSoundSize) SoundBuffer.SetBufferReady(newWhich, true); if(ASND_StatusVoice(10) == SND_UNUSED && SoundBuffer.IsBufferReady()) { ASND_StopVoice(10); ASND_SetVoice(10, SndChannels == 2 ? VOICE_STEREO_16BIT : VOICE_MONO_16BIT, SndFrequence, 0, SoundBuffer.GetBuffer(), SoundBuffer.GetBufferSize(), volume, volume, THPSoundCallback); SoundBuffer.LoadNext(); } } } // usleep(100); } void WiiMovie::LoadNextFrame() { if(!Video || !Playing) { return; } VideoFrame VideoF; LWP_MutexLock(mutex); Video->getCurrentFrame(VideoF); LWP_MutexUnlock(mutex); if(!VideoF.getData()) return; if(width != VideoF.getWidth()) { width = VideoF.getWidth(); height = VideoF.getHeight(); if (fullScreen) SetFullscreen(); else { // Calculate new top and left screenleft = (screenwidth - width) / 2; screentop = (screenheight - height) / 2; } } STexture frame; if (frame.fromRAW(VideoF.getData(), VideoF.getWidth(), VideoF.getHeight()) == STexture::TE_OK) Frames.push_back(frame); } bool WiiMovie::GetNextFrame(STexture *tex) { if (!Video || Frames.size() == 0) return false; *tex = Frames.at(0); Frames.erase(Frames.begin()); return true; }