mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
synced 2024-11-01 09:05:06 +01:00
352 lines
8.0 KiB
C++
352 lines
8.0 KiB
C++
/***************************************************************************
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* Copyright (C) 2010
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* by Dimok
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any
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* damages arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any
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* purpose, including commercial applications, and to alter it and
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* redistribute it freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you
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* must not claim that you wrote the original software. If you use
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* this software in a product, an acknowledgment in the product
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* documentation would be appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and
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* must not be misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source
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* distribution.
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*
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* WiiMovie.cpp
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*
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* for WiiXplorer 2010
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***************************************************************************/
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#include <unistd.h>
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#include <asndlib.h>
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#include "wiiuse/wpad.h"
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#include "WiiMovie.hpp"
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#include "gecko.h"
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#include "mem2.hpp"
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#define SND_BUFFERS 8
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#define FRAME_BUFFERS 8
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static BufferCircle * soundBuffer = NULL;
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WiiMovie::WiiMovie(const char * filepath)
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{
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VideoFrameCount = 0;
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fps = 0.0f;
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ExitRequested = false;
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fullScreen = false;
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Playing = false;
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volume = 128;
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ThreadStack = NULL;
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PlayThread = LWP_THREAD_NULL;
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gprintf("Opening video '%s'\n", filepath);
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string file(filepath);
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Video = openVideo(file);
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if(!Video)
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{
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gprintf("Open video failed\n");
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ExitRequested = true;
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return;
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}
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SndChannels = (Video->getNumChannels() == 2) ? VOICE_STEREO_16BIT : VOICE_MONO_16BIT;
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SndFrequence = Video->getFrequency();
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fps = Video->getFps();
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maxSoundSize = Video->getMaxAudioSamples()*Video->getNumChannels()*2;
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gprintf("Open video succeeded: sound channels: %d, Frequency: %d, FPS: %4.3f\n", SndChannels, SndFrequence, fps);
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if (Video->hasSound())
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{
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gprintf("Video has sound\n");
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soundBuffer = &SoundBuffer;
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soundBuffer->Resize(SND_BUFFERS);
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soundBuffer->SetBufferBlockSize(maxSoundSize * FRAME_BUFFERS);
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}
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PlayThreadStack = NULL;
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ThreadStack = (u8 *)MEM2_alloc(32768);
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if (!ThreadStack)
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return;
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LWP_MutexInit(&mutex, true);
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LWP_CreateThread (&ReadThread, UpdateThread, this, ThreadStack, 32768, LWP_PRIO_HIGHEST);
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gprintf("Reading frames thread started\n");
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}
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WiiMovie::~WiiMovie()
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{
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gprintf("Destructing WiiMovie object\n");
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Playing = true;
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ExitRequested = true;
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Stop();
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LWP_ResumeThread(ReadThread);
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LWP_JoinThread(ReadThread, NULL);
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LWP_MutexDestroy(mutex);
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ASND_StopVoice(10);
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if (ReadThread != LWP_THREAD_NULL)
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{
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LWP_ResumeThread(ReadThread);
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LWP_JoinThread(ReadThread, NULL);
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}
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if (mutex != LWP_MUTEX_NULL)
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{
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LWP_MutexUnlock(mutex);
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LWP_MutexDestroy(mutex);
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}
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if (ThreadStack != NULL)
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{
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MEM2_free(ThreadStack);
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ThreadStack = NULL;
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}
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soundBuffer = NULL;
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Frames.clear();
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if(Video)
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closeVideo(Video);
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}
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bool WiiMovie::Play(bool loop)
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{
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if(!Video) return false;
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gprintf("Start playing video\n");
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PlayThreadStack = (u8 *)MEM2_alloc(32768);
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if (PlayThreadStack == NULL)
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return false;
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Playing = true;
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PlayTime.reset();
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Video->loop = loop;
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gprintf("Start playing thread\n");
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LWP_ResumeThread(ReadThread);
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LWP_CreateThread(&PlayThread, PlayingThread, this, PlayThreadStack, 32768, 70);
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return true;
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}
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void WiiMovie::Stop()
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{
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gprintf("Stopping WiiMovie video\n");
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ExitRequested = true;
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if (PlayThread != LWP_THREAD_NULL)
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LWP_JoinThread(PlayThread, NULL);
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PlayThread = LWP_THREAD_NULL;
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gprintf("Playing thread stopped\n");
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if(PlayThreadStack != NULL)
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MEM2_free(PlayThreadStack);
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}
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void WiiMovie::SetVolume(int vol)
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{
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volume = 255 * vol/100;
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ASND_ChangeVolumeVoice(10, volume, volume);
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}
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void WiiMovie::SetScreenSize(int width, int height, int top, int left)
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{
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screenwidth = width;
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screenheight = height;
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screenleft = left;
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screentop = top;
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}
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void WiiMovie::SetFullscreen()
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{
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if(!Video) return;
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float newscale = 1000.0f;
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float vidwidth = (float) width * 1.0f;
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float vidheight = (float) height * 1.0f;
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int retries = 100;
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fullScreen = true;
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while(vidheight * newscale > screenheight || vidwidth * newscale > screenwidth)
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{
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if(vidheight * newscale > screenheight)
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newscale = screenheight/vidheight;
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if(vidwidth * newscale > screenwidth)
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newscale = screenwidth/vidwidth;
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retries--;
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if(retries == 0)
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{
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newscale = 1.0f;
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break;
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}
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}
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scaleX = scaleY = newscale;
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}
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void WiiMovie::SetFrameSize(int w, int h)
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{
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if(!Video) return;
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scaleX = (float) w /(float) width;
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scaleY = (float) h /(float) height;
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}
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void WiiMovie::SetAspectRatio(float Aspect)
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{
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if(!Video) return;
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float vidwidth = (float) height*scaleY*Aspect;
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scaleX = (float) width/vidwidth;
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}
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extern "C" void THPSoundCallback(int voice)
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{
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if (!soundBuffer || !soundBuffer->IsBufferReady()) return;
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if(ASND_AddVoice(voice, soundBuffer->GetBuffer(), soundBuffer->GetBufferSize()) != SND_OK)
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return;
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soundBuffer->LoadNext();
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}
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void WiiMovie::FrameLoadLoop()
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{
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while (!ExitRequested)
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{
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LoadNextFrame();
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while (Frames.size() > FRAME_BUFFERS && !ExitRequested)
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usleep(100);
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}
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}
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void * WiiMovie::UpdateThread(void *arg)
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{
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WiiMovie *movie = static_cast<WiiMovie *>(arg);
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while (!movie->ExitRequested)
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{
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movie->ReadNextFrame();
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usleep(100);
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}
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return NULL;
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}
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void * WiiMovie::PlayingThread(void *arg)
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{
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WiiMovie *movie = static_cast<WiiMovie *>(arg);
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movie->FrameLoadLoop();
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return NULL;
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}
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void WiiMovie::ReadNextFrame()
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{
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if(!Playing) LWP_SuspendThread(ReadThread);
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u32 FramesNeeded = (u32) (PlayTime.elapsed()*fps);
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gprintf("Reading needed frames: %d\n", FramesNeeded);
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while(VideoFrameCount < FramesNeeded)
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{
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LWP_MutexLock(mutex);
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Video->loadNextFrame();
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LWP_MutexUnlock(mutex);
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++VideoFrameCount;
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gprintf("Loaded video frame: %d\n", VideoFrameCount);
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if(Video->hasSound())
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{
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u32 newWhich = SoundBuffer.Which();
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int i = 0;
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for (i = 0; i < SoundBuffer.Size()-2; ++i)
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{
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if (!SoundBuffer.IsBufferReady(newWhich)) break;
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newWhich = (newWhich + 1) % SoundBuffer.Size();
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}
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if (i == SoundBuffer.Size() - 2) return;
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int currentSize = SoundBuffer.GetBufferSize(newWhich);
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currentSize += Video->getCurrentBuffer((s16 *) (&SoundBuffer.GetBuffer(newWhich)[currentSize]))*SndChannels*2;
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SoundBuffer.SetBufferSize(newWhich, currentSize);
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if(currentSize >= (FRAME_BUFFERS-1)*maxSoundSize)
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SoundBuffer.SetBufferReady(newWhich, true);
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if(ASND_StatusVoice(10) == SND_UNUSED && SoundBuffer.IsBufferReady())
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{
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ASND_StopVoice(10);
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ASND_SetVoice(10, SndChannels == 2 ? VOICE_STEREO_16BIT : VOICE_MONO_16BIT, SndFrequence, 0, SoundBuffer.GetBuffer(), SoundBuffer.GetBufferSize(), volume, volume, THPSoundCallback);
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SoundBuffer.LoadNext();
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}
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}
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}
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// usleep(100);
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}
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void WiiMovie::LoadNextFrame()
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{
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if(!Video || !Playing)
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{
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return;
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}
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VideoFrame VideoF;
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LWP_MutexLock(mutex);
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Video->getCurrentFrame(VideoF);
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LWP_MutexUnlock(mutex);
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if(!VideoF.getData()) return;
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if(width != VideoF.getWidth())
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{
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width = VideoF.getWidth();
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height = VideoF.getHeight();
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if (fullScreen)
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SetFullscreen();
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else
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{
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// Calculate new top and left
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screenleft = (screenwidth - width) / 2;
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screentop = (screenheight - height) / 2;
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}
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}
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STexture frame;
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if (frame.fromRAW(VideoF.getData(), VideoF.getWidth(), VideoF.getHeight()) == STexture::TE_OK)
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Frames.push_back(frame);
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}
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bool WiiMovie::GetNextFrame(STexture *tex)
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{
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if (!Video || Frames.size() == 0) return false;
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*tex = Frames.at(0);
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Frames.erase(Frames.begin());
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return true;
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}
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