zoneminder/src/zm_mpeg.h

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/*
* ZoneMinder MPEG Interface, $Date$, $Revision$
* Copyright (C) 2001-2008 Philip Coombes
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef ZM_MPEG_H
#define ZM_MPEG_H
#include "zm_ffmpeg.h"
#if HAVE_LIBAVCODEC
class VideoStream
{
protected:
struct MimeData
{
const char *format;
const char *mime_type;
};
protected:
static bool initialised;
static struct MimeData mime_data[];
protected:
char *codec_and_format;
const char *filename;
const char *format;
const char *codec_name;
enum PixelFormat pf;
AVOutputFormat *of;
AVFormatContext *ofc;
AVStream *ost;
AVCodec *codec;
AVFrame *opicture;
AVFrame *tmp_opicture;
uint8_t *video_outbuf;
int video_outbuf_size;
double last_pts;
pthread_t streaming_thread;
bool do_streaming;
uint8_t *buffer_copy;
bool add_timestamp;
unsigned int timestamp;
pthread_mutex_t *buffer_copy_lock;
int buffer_copy_size;
int buffer_copy_used;
static void* StreamingThreadCallback(void *ctx);
protected:
static void Initialise();
void SetupFormat( );
void SetupCodec( int colours, int subpixelorder, int width, int height, int bitrate, double frame_rate );
void SetParameters();
void ActuallyOpenStream();
double ActuallyEncodeFrame( const uint8_t *buffer, int buffer_size, bool add_timestamp=false, unsigned int timestamp=0 );
public:
VideoStream( const char *filename, const char *format, int bitrate, double frame_rate, int colours, int subpixelorder, int width, int height );
~VideoStream();
const char *MimeType() const;
void OpenStream();
double EncodeFrame( const uint8_t *buffer, int buffer_size, bool add_timestamp=false, unsigned int timestamp=0 );
};
#endif // HAVE_LIBAVCODEC
#endif // ZM_MPEG_H