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// Copyright (c) 2006, Rodrigo Braz Monteiro

// All rights reserved.

//

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are met:

//

//   * Redistributions of source code must retain the above copyright notice,

//     this list of conditions and the following disclaimer.

//   * Redistributions in binary form must reproduce the above copyright notice,

//     this list of conditions and the following disclaimer in the documentation

//     and/or other materials provided with the distribution.

//   * Neither the name of the Aegisub Group nor the names of its contributors

//     may be used to endorse or promote products derived from this software

//     without specific prior written permission.

//

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE

// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

// POSSIBILITY OF SUCH DAMAGE.

//

// -----------------------------------------------------------------------------

//

// AEGISUB

//

// Website: http://aegisub.cellosoft.com

// Contact: mailto:zeratul@cellosoft.com

//

 

 

///////////

// Headers

#include "config.h"

 

#include "video_provider_manager.h"

#include "video_provider_dummy.h"

#include "options.h"

#include "vfr.h"

#ifdef WITH_AVISYNTH

#include "video_provider_avs.h"

#endif

#ifdef WITH_DIRECTSHOW

#include "video_provider_dshow.h"

#endif

#ifdef WITH_FFMPEGSOURCE

#include "video_provider_ffmpegsource.h"

#endif

#include "video_provider_dummy.h"

#include "video_provider_cache.h"

 

 

////////////////

// Get provider

VideoProvider *VideoProviderFactoryManager::GetProvider(wxString video) {

        // First check special case of dummy video

        if (video.StartsWith(_T("?dummy:"))) {

#if wxCHECK_VERSION(2,9,0)

                return new DummyVideoProvider(video.wc_str());

#else

                return new DummyVideoProvider(video.c_str());

#endif

        }

 

        // List of providers

        wxArrayString list = GetFactoryList(Options.AsText(_T("Video provider")));

 

        // None available

        if (list.Count() == 0) throw _T("No video providers are available.");

 

        // Get provider

        wxString error;

        for (unsigned int i=0;i<list.Count();i++) {

                try {

                        // Create provider

#if wxCHECK_VERSION(2,9,0)

                        VideoProvider *provider = GetFactory(list[i])->CreateProvider(video.wc_str());

#else

                        VideoProvider *provider = GetFactory(list[i])->CreateProvider(video.c_str());

#endif

                        if (provider) {

                                // Cache if necessary

                                if (provider->GetDesiredCacheSize()) {

                                        provider = new VideoProviderCache(provider);

                                }

                                return provider;

                        }

                }

                catch (VideoProvider::CancelVideoLoadException &) { throw; }

                catch (wxString err) { error += list[i] + _T(" factory: ") + err + _T("\n"); }

                catch (const wxChar *err) { error += list[i] + _T(" factory: ") + wxString(err) + _T("\n"); }

                catch (...) { error += list[i] + _T(" factory: Unknown error\n"); }

        }

 

        // Failed

        throw error;

}

 

 

//////////////////////////

// Register all providers

void VideoProviderFactoryManager::RegisterProviders() {

#ifdef WITH_AVISYNTH

        RegisterFactory(new AvisynthVideoProviderFactory(),_T("Avisynth"));

#endif

#ifdef WITH_DIRECTSHOW

        RegisterFactory(new DirectShowVideoProviderFactory(),_T("DirectShow"));

#endif

#ifdef WITH_FFMPEGSOURCE

        RegisterFactory(new FFmpegSourceVideoProviderFactory(),_T("FFmpegSource"));

#endif

}

 

 

///////////////////////

// Clear all providers

void VideoProviderFactoryManager::ClearProviders() {

        ClearFactories();

}

 

 

//////////

// Static

template <class VideoProviderFactory> std::map<wxString,VideoProviderFactory*>* FactoryManager<VideoProviderFactory>::factories=NULL;