105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
/* This file is part of the Pangolin Project.
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* http://github.com/stevenlovegrove/Pangolin
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*
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* Copyright (c) 2014 Steven Lovegrove
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include <pangolin/log/packetstream_reader.h>
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#include <pangolin/log/playback_session.h>
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#include <pangolin/video/stream_encoder_factory.h>
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#include <pangolin/video/video.h>
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namespace pangolin
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{
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class PANGOLIN_EXPORT PangoVideo
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: public VideoInterface, public VideoPropertiesInterface, public VideoPlaybackInterface
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{
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public:
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PangoVideo(const std::string& filename, std::shared_ptr<PlaybackSession> playback_session);
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~PangoVideo();
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// Implement VideoInterface
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size_t SizeBytes() const override;
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const std::vector<StreamInfo>& Streams() const override;
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void Start() override;
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void Stop() override;
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bool GrabNext( unsigned char* image, bool wait = true ) override;
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bool GrabNewest( unsigned char* image, bool wait = true ) override;
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// Implement VideoPropertiesInterface
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const picojson::value& DeviceProperties() const override {
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if (-1 == _src_id) throw std::runtime_error("Not initialised");
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return _device_properties;
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}
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const picojson::value& FrameProperties() const override {
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return _frame_properties;
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}
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// Implement VideoPlaybackInterface
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size_t GetCurrentFrameId() const override;
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size_t GetTotalFrames() const override;
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size_t Seek(size_t frameid) override;
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std::string GetSourceUri();
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private:
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void HandlePipeClosed();
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protected:
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int FindPacketStreamSource();
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void SetupStreams(const PacketStreamSource& src);
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const std::string _filename;
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std::shared_ptr<PlaybackSession> _playback_session;
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std::shared_ptr<PacketStreamReader> _reader;
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SyncTimeEventPromise _event_promise;
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int _src_id;
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const PacketStreamSource* _source;
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size_t _size_bytes;
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bool _fixed_size;
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std::vector<StreamInfo> _streams;
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std::vector<ImageDecoderFunc> stream_decoder;
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picojson::value _device_properties;
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picojson::value _frame_properties;
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std::string _source_uri;
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Registration<size_t> session_seek;
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};
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}
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