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https://github.com/love2d/love.git
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Bart van Strien
0e9f71b29a
This makes the internal API more modular, but the split also forces a cleaner implementation. It also means the OggDemuxer is now responsible for the ogg-specific stuff like seeking and (ogg-specific) type detection. Backported from the love.video-vpx branch of love-experiments --HG-- branch : minor
78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
/**
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* Copyright (c) 2006-2016 LOVE Development Team
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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 damages
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* 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 purpose,
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* including commercial applications, and to alter it and redistribute it
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* 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 must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#ifndef LOVE_VIDEO_THEORA_OGGDEMUXER_H
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#define LOVE_VIDEO_THEORA_OGGDEMUXER_H
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// STL
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#include <functional>
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// LOVE
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#include "filesystem/File.h"
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// OGG
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#include <ogg/ogg.h>
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namespace love
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{
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namespace video
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{
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namespace theora
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{
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class OggDemuxer
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{
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public:
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enum StreamType
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{
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TYPE_THEORA,
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TYPE_UNKNOWN,
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};
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OggDemuxer(love::filesystem::File *file);
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~OggDemuxer();
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StreamType findStream();
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bool readPacket(ogg_packet &packet, bool mustSucceed = false);
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void resync();
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bool isEos() const;
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const std::string &getFilename() const;
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bool seek(ogg_packet &packet, double target, std::function<double(int64)> getTime);
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private:
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StrongRef<love::filesystem::File> file;
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ogg_sync_state sync;
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ogg_stream_state stream;
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ogg_page page;
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bool streamInited;
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int videoSerial;
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void readPage();
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StreamType determineType();
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}; // OggDemuxer
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} // theora
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} // video
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} // love
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#endif // LOVE_VIDEO_THEORA_OGGDEMUXER_H
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