forked from mia/Aegisub
121 lines
3.8 KiB
C++
121 lines
3.8 KiB
C++
// Copyright (c) 2008, Karl Blomster
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// -----------------------------------------------------------------------------
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//
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// AEGISUB
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//
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// Website: http://aegisub.cellosoft.com
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// Contact: mailto:zeratul@cellosoft.com
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//
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///////////
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// Headers
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#include <wx/wxprec.h>
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#ifdef WITH_FFMPEGSOURCE
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#ifdef WIN32
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#define EMULATE_INTTYPES
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#endif /* WIN32 */
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#include "include/aegisub/video_provider.h"
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#include "include/aegisub/aegisub.h"
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#include "dialog_progress.h"
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#include "vfr.h"
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extern "C" {
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#include <libavformat/avformat.h>
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#include <libavcodec/avcodec.h>
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#include <libswscale/swscale.h>
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}
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#include <vector>
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#include <ffms.h>
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///////////////////////
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// FFmpegSource provider
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class FFmpegSourceVideoProvider : public VideoProvider {
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private:
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VideoBase *VideoSource;
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const VideoProperties *VideoInfo;
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SwsContext *SWSContext;
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int FrameNumber;
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wxArrayInt KeyFramesList;
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bool KeyFramesLoaded;
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std::vector<int> TimecodesVector;
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FrameRate Timecodes;
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AVPicture FrameRGB;
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bool FrameAllocated;
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uint8_t *BufferRGB;
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AegiVideoFrame CurFrame;
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char FFMSErrorMessage[1024];
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unsigned MessageSize;
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wxString ErrorMsg;
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struct IndexingProgressDialog {
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volatile bool IndexingCanceled;
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DialogProgress *ProgressDialog;
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};
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void LoadVideo(Aegisub::String filename, double fps);
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void Close();
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static int __stdcall FFmpegSourceVideoProvider::UpdateIndexingProgress(int State, int64_t Current, int64_t Total, void *Private);
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protected:
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public:
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FFmpegSourceVideoProvider(Aegisub::String filename, double fps);
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~FFmpegSourceVideoProvider();
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const AegiVideoFrame GetFrame(int n, int formatType);
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int GetPosition();
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int GetFrameCount();
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int GetWidth();
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int GetHeight();
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double GetFPS();
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bool AreKeyFramesLoaded() { return KeyFramesLoaded; };
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wxArrayInt GetKeyFrames() { return KeyFramesList; };
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bool IsVFR() { return true; };
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FrameRate GetTrueFrameRate() { return Timecodes; };
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Aegisub::String GetDecoderName() { return L"FFmpegSource"; }
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bool IsNativelyByFrames() { return true; }
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int GetDesiredCacheSize() { return 8; }
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};
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///////////
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// Factory
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class FFmpegSourceVideoProviderFactory : public VideoProviderFactory {
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public:
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VideoProvider *CreateProvider(Aegisub::String video,double fps=0.0) { return new FFmpegSourceVideoProvider(video,fps); }
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};
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#endif /* WITH_FFMPEGSOURCE */
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