mirror of https://github.com/odrling/Aegisub
74 lines
3.4 KiB
C++
74 lines
3.4 KiB
C++
// Copyright (c) 2008-2009, 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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// Aegisub Project http://www.aegisub.org/
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/// @file video_provider_ffmpegsource.h
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/// @see video_provider_ffmpegsource.cpp
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/// @ingroup video_input ffms
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///
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#ifdef WITH_FFMS2
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#include "ffmpegsource_common.h"
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#include "include/aegisub/video_provider.h"
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/// @class FFmpegSourceVideoProvider
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/// @brief Implements video loading through the FFMS library.
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class FFmpegSourceVideoProvider : public VideoProvider, FFmpegSourceProvider {
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/// video source object
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agi::scoped_holder<FFMS_VideoSource*, void (FFMS_CC*)(FFMS_VideoSource*)> VideoSource;
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const FFMS_VideoProperties *VideoInfo = nullptr; ///< video properties
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int Width = -1; ///< width in pixels
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int Height = -1; ///< height in pixels
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double DAR; ///< display aspect ratio
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std::vector<int> KeyFramesList; ///< list of keyframes
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agi::vfr::Framerate Timecodes; ///< vfr object
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std::string ColorSpace; ///< Colorspace name
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char FFMSErrMsg[1024]; ///< FFMS error message
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FFMS_ErrorInfo ErrInfo; ///< FFMS error codes/messages
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void LoadVideo(agi::fs::path const& filename, std::string const& colormatrix);
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public:
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FFmpegSourceVideoProvider(agi::fs::path const& filename, std::string const& colormatrix);
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std::shared_ptr<VideoFrame> GetFrame(int n) override;
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int GetFrameCount() const override { return VideoInfo->NumFrames; }
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int GetWidth() const override { return Width; }
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int GetHeight() const override { return Height; }
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double GetDAR() const override { return DAR; }
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agi::vfr::Framerate GetFPS() const override { return Timecodes; }
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std::string GetColorSpace() const override { return ColorSpace; }
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std::vector<int> GetKeyFrames() const override { return KeyFramesList; };
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std::string GetDecoderName() const override { return "FFmpegSource"; }
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bool WantsCaching() const override { return true; }
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};
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#endif /* WITH_FFMS2 */
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