88 lines
2.5 KiB
C++
88 lines
2.5 KiB
C++
/*
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* ZoneMinder MPEG Interface, $Date$, $Revision$
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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_MPEG_H
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#define ZM_MPEG_H
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#include "zm_ffmpeg.h"
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#if HAVE_LIBAVCODEC
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class VideoStream {
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protected:
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struct MimeData {
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const char *format;
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const char *mime_type;
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};
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protected:
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static bool initialised;
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static struct MimeData mime_data[];
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protected:
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char *codec_and_format;
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const char *filename;
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const char *format;
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const char *codec_name;
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enum _AVPIXELFORMAT pf;
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AVOutputFormat *of;
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AVFormatContext *ofc;
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AVStream *ost;
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AVCodecContext *codec_context;
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AVCodec *codec;
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AVFrame *opicture;
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AVFrame *tmp_opicture;
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uint8_t *video_outbuf;
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int video_outbuf_size;
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double last_pts;
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pthread_t streaming_thread;
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bool do_streaming;
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bool add_timestamp;
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unsigned int timestamp;
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uint8_t *buffer_copy;
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pthread_mutex_t *buffer_copy_lock;
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int buffer_copy_size;
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int buffer_copy_used;
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AVPacket** packet_buffers;
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int packet_index;
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int SendPacket(AVPacket *packet);
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static void* StreamingThreadCallback(void *ctx);
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protected:
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static void Initialise();
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void SetupFormat( );
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void SetupCodec( int colours, int subpixelorder, int width, int height, int bitrate, double frame_rate );
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void SetParameters();
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void ActuallyOpenStream();
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double ActuallyEncodeFrame( const uint8_t *buffer, int buffer_size, bool add_timestamp=false, unsigned int timestamp=0 );
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public:
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VideoStream( const char *filename, const char *format, int bitrate, double frame_rate, int colours, int subpixelorder, int width, int height );
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~VideoStream();
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const char *MimeType() const;
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bool OpenStream();
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double EncodeFrame( const uint8_t *buffer, int buffer_size, bool add_timestamp=false, unsigned int timestamp=0 );
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};
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#endif // HAVE_LIBAVCODEC
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#endif // ZM_MPEG_H
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