129 lines
3.4 KiB
C++
129 lines
3.4 KiB
C++
//
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// ZoneMinder Core Interfaces, $Date$, $Revision$
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// Copyright (C) 2001-2008 Philip Coombes
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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#ifndef ZM_EVENTSTREAM_H
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#define ZM_EVENTSTREAM_H
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#include <set>
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#include <map>
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#include "zm_image.h"
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#include "zm_stream.h"
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#include "zm_video.h"
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#include "zm_ffmpeg_input.h"
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#include "zm_monitor.h"
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#include "zm_storage.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "libavformat/avformat.h"
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#include "libavformat/avio.h"
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#include "libavcodec/avcodec.h"
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#ifdef __cplusplus
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}
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#endif
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class EventStream : public StreamBase {
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public:
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typedef enum { MODE_NONE, MODE_SINGLE, MODE_ALL, MODE_ALL_GAPLESS } StreamMode;
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protected:
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struct FrameData {
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//unsigned long id;
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double timestamp;
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double offset;
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double delta;
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bool in_db;
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};
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struct EventData {
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uint64_t event_id;
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unsigned long monitor_id;
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unsigned long storage_id;
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unsigned long frame_count;
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time_t start_time;
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double duration;
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char path[PATH_MAX];
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int n_frames;
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FrameData *frames;
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char video_file[PATH_MAX];
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Storage::Schemes scheme;
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int SaveJPEGs;
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Monitor::Orientation Orientation;
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};
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protected:
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static const int STREAM_PAUSE_WAIT = 250000; // Microseconds
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static const StreamMode DEFAULT_MODE = MODE_SINGLE;
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StreamMode mode;
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bool forceEventChange;
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int curr_frame_id;
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double curr_stream_time;
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bool send_frame;
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struct timeval start; // clock time when started the event
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EventData *event_data;
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FFmpeg_Input *ffmpeg_input;
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protected:
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bool loadEventData( uint64_t event_id );
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bool loadInitialEventData( uint64_t init_event_id, unsigned int init_frame_id );
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bool loadInitialEventData( int monitor_id, time_t event_time );
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void checkEventLoaded();
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void processCommand( const CmdMsg *msg );
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bool sendFrame( int delta_us );
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public:
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EventStream() {
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mode = DEFAULT_MODE;
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replay_rate = DEFAULT_RATE;
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forceEventChange = false;
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curr_frame_id = 0;
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curr_stream_time = 0.0;
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send_frame = false;
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event_data = 0;
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// Used when loading frames from an mp4
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input_codec_context = 0;
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input_codec = 0;
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ffmpeg_input = NULL;
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}
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void setStreamStart( uint64_t init_event_id, unsigned int init_frame_id );
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void setStreamStart( int monitor_id, time_t event_time );
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void setStreamMode( StreamMode p_mode ) {
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mode = p_mode;
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}
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void runStream();
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Image *getImage();
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private:
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AVCodecContext *input_codec_context;
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AVCodec *input_codec;
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};
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#endif // ZM_EVENTSTREAM_H
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