zoneminder/src/zm_fifo.h

82 lines
2.3 KiB
C++

//
// ZoneMinder Fifo Debug
// Copyright (C) 2019 ZoneMinder LLC
//
// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
#ifndef ZM_FIFO_H
#define ZM_FIFO_H
#include "zm_stream.h"
#include "zm_packet.h"
class Monitor;
#define zmFifoDbgPrintf(level, params...) {\
zmFifoDbgOutput(0, __FILE__, __LINE__, level, ##params);\
}
#ifndef ZM_DBG_OFF
#define FifoDebug(level, params...) zmFifoDbgPrintf(level, ##params)
#else
#define FifoDebug(level, params...)
#endif
void zmFifoDbgOutput(
int hex,
const char * const file,
const int line,
const int level,
const char *fstring,
...) __attribute__((format(printf, 5, 6)));
int zmFifoDbgInit(Monitor * monitor);
class FifoStream : public StreamBase {
private:
char * stream_path;
int total_read;
int bytes_read;
unsigned int frame_count;
static void file_create_if_missing(
const char * path,
bool is_fifo,
bool delete_fake_fifo = true
);
protected:
typedef enum { UNKNOWN, MJPEG, RAW } StreamType;
StreamType stream_type;
bool sendMJEGFrames();
bool sendRAWFrames();
void processCommand(const CmdMsg *msg) override {}
public:
FifoStream() :
stream_path(nullptr),
total_read(0),
bytes_read(0),
frame_count(0),
stream_type(UNKNOWN)
{}
static void fifo_create_if_missing(
const char * path,
bool delete_fake_fifo = true);
void setStreamStart(const char * path);
void setStreamStart(int monitor_id, const char * format);
void runStream() override;
static bool writePacket(std::string filename, ZMPacket &packet);
static bool write(std::string filename, uint8_t *data, size_t size);
};
#endif // ZM_FIFO_H