819 lines
28 KiB
C++
819 lines
28 KiB
C++
//
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// ZoneMinder Monitor Class Implementation, $Date$, $Revision$
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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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#include "zm.h"
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#include "zm_db.h"
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#include "zm_time.h"
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#include "zm_mpeg.h"
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#include "zm_signal.h"
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#include "zm_monitor.h"
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#include "zm_monitorstream.h"
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#include <arpa/inet.h>
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#include <glob.h>
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bool MonitorStream::checkSwapPath(const char *path, bool create_path) {
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struct stat stat_buf;
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if ( stat(path, &stat_buf) < 0 ) {
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if ( create_path && errno == ENOENT ) {
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Debug(3, "Swap path '%s' missing, creating", path);
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if ( mkdir(path, 0755) ) {
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Error("Can't mkdir %s: %s", path, strerror(errno));
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return false;
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}
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if ( stat(path, &stat_buf) < 0 ) {
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Error("Can't stat '%s': %s", path, strerror(errno));
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return false;
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}
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} else {
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Error("Can't stat '%s': %s", path, strerror(errno));
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return false;
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}
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}
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if ( !S_ISDIR(stat_buf.st_mode) ) {
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Error("Swap image path '%s' is not a directory", path);
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return false;
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}
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uid_t uid = getuid();
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gid_t gid = getgid();
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mode_t mask = 0;
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if ( uid == stat_buf.st_uid ) {
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// If we are the owner
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mask = 00700;
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} else if ( gid == stat_buf.st_gid ) {
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// If we are in the owner group
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mask = 00070;
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} else {
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// We are neither the owner nor in the group
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mask = 00007;
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}
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if ( (stat_buf.st_mode & mask) != mask ) {
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Error("Insufficient permissions on swap image path '%s'", path);
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return false;
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}
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return true;
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} // end bool MonitorStream::checkSwapPath( const char *path, bool create_path )
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void MonitorStream::processCommand(const CmdMsg *msg) {
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Debug( 2, "Got message, type %d, msg %d", msg->msg_type, msg->msg_data[0] );
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// Check for incoming command
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switch( (MsgCommand)msg->msg_data[0] ) {
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case CMD_PAUSE :
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Debug(1, "Got PAUSE command");
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paused = true;
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delayed = true;
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last_frame_sent = TV_2_FLOAT(now);
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break;
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case CMD_PLAY :
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Debug(1, "Got PLAY command");
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if ( paused ) {
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paused = false;
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delayed = true;
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}
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replay_rate = ZM_RATE_BASE;
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break;
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case CMD_VARPLAY :
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Debug(1, "Got VARPLAY command");
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if ( paused ) {
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paused = false;
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delayed = true;
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}
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replay_rate = ntohs(((unsigned char)msg->msg_data[2]<<8)|(unsigned char)msg->msg_data[1])-32768;
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break;
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case CMD_STOP :
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Debug(1, "Got STOP command");
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paused = false;
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delayed = false;
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break;
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case CMD_FASTFWD :
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Debug(1, "Got FAST FWD command");
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if ( paused ) {
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paused = false;
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delayed = true;
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}
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// Set play rate
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switch ( replay_rate ) {
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case 2 * ZM_RATE_BASE :
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replay_rate = 5 * ZM_RATE_BASE;
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break;
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case 5 * ZM_RATE_BASE :
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replay_rate = 10 * ZM_RATE_BASE;
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break;
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case 10 * ZM_RATE_BASE :
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replay_rate = 25 * ZM_RATE_BASE;
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break;
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case 25 * ZM_RATE_BASE :
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case 50 * ZM_RATE_BASE :
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replay_rate = 50 * ZM_RATE_BASE;
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break;
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default :
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replay_rate = 2 * ZM_RATE_BASE;
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break;
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}
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break;
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case CMD_SLOWFWD :
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Debug( 1, "Got SLOW FWD command" );
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paused = true;
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delayed = true;
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replay_rate = ZM_RATE_BASE;
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step = 1;
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break;
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case CMD_SLOWREV :
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Debug( 1, "Got SLOW REV command" );
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paused = true;
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delayed = true;
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replay_rate = ZM_RATE_BASE;
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step = -1;
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break;
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case CMD_FASTREV :
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Debug( 1, "Got FAST REV command" );
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if ( paused ) {
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paused = false;
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delayed = true;
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}
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// Set play rate
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switch ( replay_rate ) {
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case -2 * ZM_RATE_BASE :
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replay_rate = -5 * ZM_RATE_BASE;
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break;
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case -5 * ZM_RATE_BASE :
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replay_rate = -10 * ZM_RATE_BASE;
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break;
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case -10 * ZM_RATE_BASE :
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replay_rate = -25 * ZM_RATE_BASE;
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break;
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case -25 * ZM_RATE_BASE :
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case -50 * ZM_RATE_BASE :
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replay_rate = -50 * ZM_RATE_BASE;
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break;
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default :
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replay_rate = -2 * ZM_RATE_BASE;
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break;
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}
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break;
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case CMD_ZOOMIN :
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x = ((unsigned char)msg->msg_data[1]<<8)|(unsigned char)msg->msg_data[2];
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y = ((unsigned char)msg->msg_data[3]<<8)|(unsigned char)msg->msg_data[4];
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Debug( 1, "Got ZOOM IN command, to %d,%d", x, y );
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switch ( zoom ) {
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case 100:
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zoom = 150;
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break;
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case 150:
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zoom = 200;
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break;
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case 200:
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zoom = 300;
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break;
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case 300:
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zoom = 400;
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break;
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case 400:
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default :
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zoom = 500;
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break;
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}
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break;
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case CMD_ZOOMOUT :
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Debug( 1, "Got ZOOM OUT command" );
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switch ( zoom ) {
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case 500:
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zoom = 400;
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break;
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case 400:
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zoom = 300;
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break;
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case 300:
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zoom = 200;
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break;
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case 200:
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zoom = 150;
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break;
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case 150:
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default :
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zoom = 100;
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break;
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}
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break;
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case CMD_PAN :
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x = ((unsigned char)msg->msg_data[1]<<8)|(unsigned char)msg->msg_data[2];
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y = ((unsigned char)msg->msg_data[3]<<8)|(unsigned char)msg->msg_data[4];
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Debug(1, "Got PAN command, to %d,%d", x, y);
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break;
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case CMD_SCALE :
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scale = ((unsigned char)msg->msg_data[1]<<8)|(unsigned char)msg->msg_data[2];
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Debug(1, "Got SCALE command, to %d", scale);
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break;
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case CMD_QUIT :
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Info("User initiated exit - CMD_QUIT");
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break;
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case CMD_QUERY :
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Debug(1, "Got QUERY command, sending STATUS");
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break;
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default :
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Error("Got unexpected command %d", msg->msg_data[0]);
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break;
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} // end switch command
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struct {
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int id;
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int state;
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double fps;
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int buffer_level;
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int rate;
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double delay;
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int zoom;
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bool delayed;
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bool paused;
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bool enabled;
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bool forced;
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} status_data;
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status_data.id = monitor->Id();
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status_data.fps = monitor->GetFPS();
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status_data.state = monitor->shared_data->state;
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if ( playback_buffer > 0 )
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status_data.buffer_level = (MOD_ADD( (temp_write_index-temp_read_index), 0, temp_image_buffer_count )*100)/temp_image_buffer_count;
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else
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status_data.buffer_level = 0;
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status_data.delayed = delayed;
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status_data.paused = paused;
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status_data.rate = replay_rate;
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status_data.delay = TV_2_FLOAT( now ) - TV_2_FLOAT( last_frame_timestamp );
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status_data.zoom = zoom;
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//status_data.enabled = monitor->shared_data->active;
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status_data.enabled = monitor->trigger_data->trigger_state!=Monitor::TRIGGER_OFF;
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status_data.forced = monitor->trigger_data->trigger_state==Monitor::TRIGGER_ON;
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Debug(2, "Buffer Level:%d, Delayed:%d, Paused:%d, Rate:%d, delay:%.3f, Zoom:%d, Enabled:%d Forced:%d",
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status_data.buffer_level,
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status_data.delayed,
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status_data.paused,
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status_data.rate,
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status_data.delay,
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status_data.zoom,
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status_data.enabled,
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status_data.forced
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);
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DataMsg status_msg;
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status_msg.msg_type = MSG_DATA_WATCH;
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memcpy(&status_msg.msg_data, &status_data, sizeof(status_data));
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int nbytes = 0;
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if ( (nbytes = sendto(sd, &status_msg, sizeof(status_msg), MSG_DONTWAIT, (sockaddr *)&rem_addr, sizeof(rem_addr))) < 0 ) {
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//if ( errno != EAGAIN )
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{
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Error( "Can't sendto on sd %d: %s", sd, strerror(errno) );
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//exit( -1 );
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}
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}
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Debug(2, "Number of bytes sent to (%s): (%d)", rem_addr.sun_path, nbytes);
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// quit after sending a status, if this was a quit request
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if ( (MsgCommand)msg->msg_data[0]==CMD_QUIT ) {
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Debug(2,"Quitting");
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exit(0);
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}
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Debug(2,"Updating framerate");
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updateFrameRate(monitor->GetFPS());
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} // end void MonitorStream::processCommand(const CmdMsg *msg)
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bool MonitorStream::sendFrame(const char *filepath, struct timeval *timestamp) {
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bool send_raw = ((scale>=ZM_SCALE_BASE)&&(zoom==ZM_SCALE_BASE));
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if ( type != STREAM_JPEG )
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send_raw = false;
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if ( !config.timestamp_on_capture && timestamp )
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send_raw = false;
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if ( !send_raw ) {
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Image temp_image(filepath);
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return sendFrame(&temp_image, timestamp);
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} else {
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int img_buffer_size = 0;
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static unsigned char img_buffer[ZM_MAX_IMAGE_SIZE];
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FILE *fdj = NULL;
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if ( (fdj = fopen(filepath, "r")) ) {
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img_buffer_size = fread(img_buffer, 1, sizeof(img_buffer), fdj);
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fclose(fdj);
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} else {
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Error("Can't open %s: %s", filepath, strerror(errno));
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return false;
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}
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// Calculate how long it takes to actually send the frame
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struct timeval frameStartTime;
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gettimeofday(&frameStartTime, NULL);
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fputs("--ZoneMinderFrame\r\nContent-Type: image/jpeg\r\n\r\n", stdout );
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fprintf(stdout, "Content-Length: %d\r\n", img_buffer_size);
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if ( fwrite(img_buffer, img_buffer_size, 1, stdout) != 1 ) {
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if ( ! zm_terminate )
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Warning("Unable to send stream frame: %s", strerror(errno));
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return false;
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}
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fputs("\r\n\r\n", stdout);
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fflush(stdout);
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struct timeval frameEndTime;
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gettimeofday(&frameEndTime, NULL);
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int frameSendTime = tvDiffMsec(frameStartTime, frameEndTime);
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if ( frameSendTime > 1000/maxfps ) {
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maxfps /= 2;
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Info("Frame send time %d msec too slow, throttling maxfps to %.2f", frameSendTime, maxfps);
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}
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last_frame_sent = TV_2_FLOAT(now);
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return true;
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}
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return false;
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} // end bool MonitorStream::sendFrame(const char *filepath, struct timeval *timestamp)
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bool MonitorStream::sendFrame(Image *image, struct timeval *timestamp) {
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Image *send_image = prepareImage(image);
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if ( !config.timestamp_on_capture && timestamp )
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monitor->TimestampImage(send_image, timestamp);
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#if HAVE_LIBAVCODEC
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if ( type == STREAM_MPEG ) {
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if ( !vid_stream ) {
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vid_stream = new VideoStream("pipe:", format, bitrate, effective_fps, send_image->Colours(), send_image->SubpixelOrder(), send_image->Width(), send_image->Height());
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fprintf(stdout, "Content-type: %s\r\n\r\n", vid_stream->MimeType());
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vid_stream->OpenStream();
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}
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static struct timeval base_time;
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struct DeltaTimeval delta_time;
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if ( !frame_count )
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base_time = *timestamp;
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DELTA_TIMEVAL(delta_time, *timestamp, base_time, DT_PREC_3);
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/* double pts = */ vid_stream->EncodeFrame(send_image->Buffer(), send_image->Size(), config.mpeg_timed_frames, delta_time.delta);
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} else
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#endif // HAVE_LIBAVCODEC
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{
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static unsigned char temp_img_buffer[ZM_MAX_IMAGE_SIZE];
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int img_buffer_size = 0;
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unsigned char *img_buffer = temp_img_buffer;
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// Calculate how long it takes to actually send the frame
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struct timeval frameStartTime;
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gettimeofday(&frameStartTime, NULL);
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fputs("--ZoneMinderFrame\r\n", stdout);
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switch( type ) {
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case STREAM_JPEG :
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send_image->EncodeJpeg(img_buffer, &img_buffer_size);
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fputs("Content-Type: image/jpeg\r\n", stdout);
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break;
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case STREAM_RAW :
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fputs("Content-Type: image/x-rgb\r\n", stdout);
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img_buffer = (uint8_t*)send_image->Buffer();
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img_buffer_size = send_image->Size();
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break;
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case STREAM_ZIP :
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fputs("Content-Type: image/x-rgbz\r\n",stdout);
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unsigned long zip_buffer_size;
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send_image->Zip(img_buffer, &zip_buffer_size);
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img_buffer_size = zip_buffer_size;
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break;
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default :
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Error("Unexpected frame type %d", type);
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return false;
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}
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fprintf(stdout, "Content-Length: %d\r\n\r\n", img_buffer_size);
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if ( fwrite(img_buffer, img_buffer_size, 1, stdout) != 1 ) {
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if ( !zm_terminate ){
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// If the pipe was closed, we will get signalled SIGPIPE to exit, which will set zm_terminate
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Warning("Unable to send stream frame: %s", strerror(errno));
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}
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return false;
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}
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fputs("\r\n\r\n",stdout);
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fflush( stdout );
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struct timeval frameEndTime;
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gettimeofday( &frameEndTime, NULL );
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int frameSendTime = tvDiffMsec( frameStartTime, frameEndTime );
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if ( frameSendTime > 1000/maxfps ) {
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maxfps /= 1.5;
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Error( "Frame send time %d msec too slow, throttling maxfps to %.2f", frameSendTime, maxfps );
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}
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}
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last_frame_sent = TV_2_FLOAT( now );
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return( true );
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} // end bool MonitorStream::sendFrame( Image *image, struct timeval *timestamp )
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void MonitorStream::runStream() {
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if ( type == STREAM_SINGLE ) {
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// Not yet migrated over to stream class
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SingleImage(scale);
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return;
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}
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openComms();
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if ( !checkInitialised() ) {
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Error("Not initialized");
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return;
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}
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updateFrameRate(monitor->GetFPS());
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if ( type == STREAM_JPEG )
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fputs("Content-Type: multipart/x-mixed-replace;boundary=ZoneMinderFrame\r\n\r\n", stdout);
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// point to end which is theoretically not a valid value because all indexes are % image_buffer_count
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unsigned int last_read_index = monitor->image_buffer_count;
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time_t stream_start_time;
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time(&stream_start_time);
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frame_count = 0;
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temp_image_buffer = 0;
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temp_image_buffer_count = playback_buffer;
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temp_read_index = temp_image_buffer_count;
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temp_write_index = temp_image_buffer_count;
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std::string swap_path;
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bool buffered_playback = false;
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// Last image and timestamp when paused, will be resent occasionally to prevent timeout
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Image *paused_image = NULL;
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struct timeval paused_timestamp;
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// 15 is the max length for the swap path suffix, /zmswap-whatever, assuming max 6 digits for monitor id
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const int max_swap_len_suffix = 15;
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int swap_path_length = staticConfig.PATH_SWAP.length() + 1; // +1 for NULL terminator
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int subfolder1_length = snprintf(NULL, 0, "/zmswap-m%d", monitor->Id()) + 1;
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int subfolder2_length = snprintf(NULL, 0, "/zmswap-q%06d", connkey) + 1;
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int total_swap_path_length = swap_path_length + subfolder1_length + subfolder2_length;
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if ( connkey && ( playback_buffer > 0 ) ) {
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if ( total_swap_path_length + max_swap_len_suffix > PATH_MAX ) {
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Error("Swap Path is too long. %d > %d ", total_swap_path_length+max_swap_len_suffix, PATH_MAX);
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} else {
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swap_path = staticConfig.PATH_SWAP;
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Debug( 3, "Checking swap path folder: %s", swap_path.c_str() );
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if ( checkSwapPath(swap_path.c_str(), true) ) {
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swap_path += stringtf("/zmswap-m%d", monitor->Id());
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Debug(4, "Checking swap path subfolder: %s", swap_path.c_str());
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if ( checkSwapPath(swap_path.c_str(), true) ) {
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swap_path += stringtf("/zmswap-q%06d", connkey);
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|
|
Debug(4, "Checking swap path subfolder: %s", swap_path.c_str());
|
|
if ( checkSwapPath(swap_path.c_str(), true) ) {
|
|
buffered_playback = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( !buffered_playback ) {
|
|
Error("Unable to validate swap image path, disabling buffered playback");
|
|
} else {
|
|
Debug(2, "Assigning temporary buffer");
|
|
temp_image_buffer = new SwapImage[temp_image_buffer_count];
|
|
memset( temp_image_buffer, 0, sizeof(*temp_image_buffer)*temp_image_buffer_count );
|
|
Debug( 2, "Assigned temporary buffer" );
|
|
}
|
|
}
|
|
} else {
|
|
Debug(2, "Not using playback_buffer");
|
|
} // end if connkey & playback_buffer
|
|
|
|
float max_secs_since_last_sent_frame = 10.0; //should be > keep alive amount (5 secs)
|
|
while ( !zm_terminate ) {
|
|
bool got_command = false;
|
|
if ( feof(stdout) ) {
|
|
Debug(2,"feof stdout");
|
|
break;
|
|
} else if ( ferror(stdout) ) {
|
|
Debug(2,"ferror stdout");
|
|
break;
|
|
} else if ( !monitor->ShmValid() ) {
|
|
Debug(2,"monitor not valid.... maybe we should wait until it comes back.");
|
|
break;
|
|
}
|
|
|
|
gettimeofday(&now, NULL);
|
|
|
|
bool was_paused = paused;
|
|
if ( connkey ) {
|
|
while(checkCommandQueue()) {
|
|
Debug(2, "Have checking command Queue for connkey: %d", connkey );
|
|
got_command = true;
|
|
}
|
|
// Update modified time of the socket .lock file so that we can tell which ones are stale.
|
|
if ( now.tv_sec - last_comm_update.tv_sec > 3600 ) {
|
|
touch(sock_path_lock);
|
|
last_comm_update = now;
|
|
}
|
|
|
|
}
|
|
|
|
if ( paused ) {
|
|
if ( !was_paused ) {
|
|
int index = monitor->shared_data->last_write_index % monitor->image_buffer_count;
|
|
Debug(1,"Saving paused image from index %d",index);
|
|
paused_image = new Image( *monitor->image_buffer[index].image );
|
|
paused_timestamp = *(monitor->image_buffer[index].timestamp);
|
|
}
|
|
} else if ( paused_image ) {
|
|
Debug(1,"Clearing paused_image");
|
|
delete paused_image;
|
|
paused_image = NULL;
|
|
}
|
|
|
|
if ( buffered_playback && delayed ) {
|
|
if ( temp_read_index == temp_write_index ) {
|
|
// Go back to live viewing
|
|
Debug( 1, "Exceeded temporary streaming buffer" );
|
|
// Clear paused flag
|
|
paused = false;
|
|
// Clear delayed_play flag
|
|
delayed = false;
|
|
replay_rate = ZM_RATE_BASE;
|
|
} else {
|
|
if ( !paused ) {
|
|
int temp_index = MOD_ADD(temp_read_index, 0, temp_image_buffer_count);
|
|
//Debug( 3, "tri: %d, ti: %d", temp_read_index, temp_index );
|
|
SwapImage *swap_image = &temp_image_buffer[temp_index];
|
|
|
|
if ( !swap_image->valid ) {
|
|
paused = true;
|
|
delayed = true;
|
|
temp_read_index = MOD_ADD(temp_read_index, (replay_rate>=0?-1:1), temp_image_buffer_count);
|
|
} else {
|
|
//Debug( 3, "siT: %f, lfT: %f", TV_2_FLOAT( swap_image->timestamp ), TV_2_FLOAT( last_frame_timestamp ) );
|
|
double expected_delta_time = ((TV_2_FLOAT( swap_image->timestamp ) - TV_2_FLOAT( last_frame_timestamp )) * ZM_RATE_BASE)/replay_rate;
|
|
double actual_delta_time = TV_2_FLOAT( now ) - last_frame_sent;
|
|
|
|
//Debug( 3, "eDT: %.3lf, aDT: %.3f, lFS:%.3f, NOW:%.3f", expected_delta_time, actual_delta_time, last_frame_sent, TV_2_FLOAT( now ) );
|
|
// If the next frame is due
|
|
if ( actual_delta_time > expected_delta_time ) {
|
|
//Debug( 2, "eDT: %.3lf, aDT: %.3f", expected_delta_time, actual_delta_time );
|
|
if ( temp_index%frame_mod == 0 ) {
|
|
Debug( 2, "Sending delayed frame %d", temp_index );
|
|
// Send the next frame
|
|
if ( ! sendFrame(temp_image_buffer[temp_index].file_name, &temp_image_buffer[temp_index].timestamp) )
|
|
zm_terminate = true;
|
|
memcpy(&last_frame_timestamp, &(swap_image->timestamp), sizeof(last_frame_timestamp));
|
|
//frame_sent = true;
|
|
}
|
|
temp_read_index = MOD_ADD(temp_read_index, (replay_rate>0?1:-1), temp_image_buffer_count);
|
|
}
|
|
}
|
|
} else if ( step != 0 ) {
|
|
temp_read_index = MOD_ADD( temp_read_index, (step>0?1:-1), temp_image_buffer_count );
|
|
|
|
SwapImage *swap_image = &temp_image_buffer[temp_read_index];
|
|
|
|
// Send the next frame
|
|
if ( !sendFrame( temp_image_buffer[temp_read_index].file_name, &temp_image_buffer[temp_read_index].timestamp ) )
|
|
zm_terminate = true;
|
|
memcpy( &last_frame_timestamp, &(swap_image->timestamp), sizeof(last_frame_timestamp) );
|
|
//frame_sent = true;
|
|
step = 0;
|
|
} else {
|
|
//paused?
|
|
int temp_index = MOD_ADD(temp_read_index, 0, temp_image_buffer_count);
|
|
|
|
double actual_delta_time = TV_2_FLOAT( now ) - last_frame_sent;
|
|
if ( got_command || actual_delta_time > 5 ) {
|
|
// Send keepalive
|
|
Debug( 2, "Sending keepalive frame %d", temp_index );
|
|
// Send the next frame
|
|
if ( !sendFrame( temp_image_buffer[temp_index].file_name, &temp_image_buffer[temp_index].timestamp ) )
|
|
zm_terminate = true;
|
|
//frame_sent = true;
|
|
}
|
|
} // end if (!paused) or step or paused
|
|
} // end if have exceeded buffer or not
|
|
|
|
if ( temp_read_index == temp_write_index ) {
|
|
// Go back to live viewing
|
|
Warning( "Rewound over write index, resuming live play" );
|
|
// Clear paused flag
|
|
paused = false;
|
|
// Clear delayed_play flag
|
|
delayed = false;
|
|
replay_rate = ZM_RATE_BASE;
|
|
}
|
|
} // end if ( buffered_playback && delayed )
|
|
|
|
if ( last_read_index != monitor->shared_data->last_write_index ) {
|
|
// have a new image to send
|
|
int index = monitor->shared_data->last_write_index % monitor->image_buffer_count; // % shouldn't be neccessary
|
|
last_read_index = monitor->shared_data->last_write_index;
|
|
Debug( 2, "index: %d: frame_mod: %d frame count: %d paused(%d) delayed(%d)", index, frame_mod, frame_count, paused, delayed );
|
|
if ( (frame_mod == 1) || ((frame_count%frame_mod) == 0) ) {
|
|
if ( !paused && !delayed ) {
|
|
// Send the next frame
|
|
Monitor::Snapshot *snap = &monitor->image_buffer[index];
|
|
|
|
Debug(2, "sending Frame.");
|
|
if ( !sendFrame(snap->image, snap->timestamp) ) {
|
|
Debug(2, "sendFrame failed, quiting.");
|
|
zm_terminate = true;
|
|
}
|
|
// Perhaps we should use NOW instead.
|
|
memcpy(&last_frame_timestamp, snap->timestamp, sizeof(last_frame_timestamp));
|
|
//frame_sent = true;
|
|
|
|
temp_read_index = temp_write_index;
|
|
} else {
|
|
double actual_delta_time = TV_2_FLOAT(now) - last_frame_sent;
|
|
if ( actual_delta_time > 5 ) {
|
|
if ( paused_image ) {
|
|
// Send keepalive
|
|
Debug(2, "Sending keepalive frame ");
|
|
// Send the next frame
|
|
if ( !sendFrame(paused_image, &paused_timestamp) )
|
|
zm_terminate = true;
|
|
} else {
|
|
Debug(2, "Would have sent keepalive frame, but had no paused_image ");
|
|
}
|
|
}
|
|
}
|
|
} // end if should send frame
|
|
|
|
if ( buffered_playback && !paused ) {
|
|
if ( monitor->shared_data->valid ) {
|
|
if ( monitor->image_buffer[index].timestamp->tv_sec ) {
|
|
int temp_index = temp_write_index%temp_image_buffer_count;
|
|
Debug(2, "Storing frame %d", temp_index);
|
|
if ( !temp_image_buffer[temp_index].valid ) {
|
|
snprintf( temp_image_buffer[temp_index].file_name, sizeof(temp_image_buffer[0].file_name), "%s/zmswap-i%05d.jpg", swap_path.c_str(), temp_index );
|
|
temp_image_buffer[temp_index].valid = true;
|
|
}
|
|
memcpy( &(temp_image_buffer[temp_index].timestamp), monitor->image_buffer[index].timestamp, sizeof(temp_image_buffer[0].timestamp) );
|
|
monitor->image_buffer[index].image->WriteJpeg( temp_image_buffer[temp_index].file_name, config.jpeg_file_quality );
|
|
temp_write_index = MOD_ADD( temp_write_index, 1, temp_image_buffer_count );
|
|
if ( temp_write_index == temp_read_index ) {
|
|
// Go back to live viewing
|
|
Warning( "Exceeded temporary buffer, resuming live play" );
|
|
paused = false;
|
|
delayed = false;
|
|
replay_rate = ZM_RATE_BASE;
|
|
}
|
|
} else {
|
|
Warning( "Unable to store frame as timestamp invalid" );
|
|
}
|
|
} else {
|
|
Warning( "Unable to store frame as shared memory invalid" );
|
|
}
|
|
} // end if buffered playback
|
|
frame_count++;
|
|
} else {
|
|
Debug(4,"Waiting for capture last_write_index=%u", monitor->shared_data->last_write_index);
|
|
} // end if ( (unsigned int)last_read_index != monitor->shared_data->last_write_index )
|
|
|
|
unsigned long sleep_time = (unsigned long)((1000000 * ZM_RATE_BASE)/((base_fps?base_fps:1)*abs(replay_rate*2)));
|
|
Debug(4, "Sleeping for (%d)", sleep_time);
|
|
usleep(sleep_time);
|
|
if ( ttl ) {
|
|
if ( (now.tv_sec - stream_start_time) > ttl ) {
|
|
Debug(2, "now(%d) - start(%d) > ttl(%d) break", now.tv_sec, stream_start_time, ttl);
|
|
break;
|
|
}
|
|
}
|
|
if ( ! last_frame_sent ) {
|
|
// If we didn't capture above, because frame_mod was bad? Then last_frame_sent will not have a value.
|
|
last_frame_sent = now.tv_sec;
|
|
Warning( "no last_frame_sent. Shouldn't happen. frame_mod was (%d) frame_count (%d) ", frame_mod, frame_count );
|
|
} else if ( (!paused) && ( (TV_2_FLOAT( now ) - last_frame_sent) > max_secs_since_last_sent_frame ) ) {
|
|
Error( "Terminating, last frame sent time %f secs more than maximum of %f", TV_2_FLOAT( now ) - last_frame_sent, max_secs_since_last_sent_frame );
|
|
break;
|
|
}
|
|
} // end while
|
|
|
|
if ( buffered_playback ) {
|
|
Debug(1, "Cleaning swap files from %s", swap_path.c_str());
|
|
struct stat stat_buf;
|
|
if ( stat(swap_path.c_str(), &stat_buf) < 0 ) {
|
|
if ( errno != ENOENT ) {
|
|
Error("Can't stat '%s': %s", swap_path.c_str(), strerror(errno));
|
|
}
|
|
} else if ( !S_ISDIR(stat_buf.st_mode) ) {
|
|
Error("Swap image path '%s' is not a directory", swap_path.c_str());
|
|
} else {
|
|
char glob_pattern[PATH_MAX] = "";
|
|
|
|
snprintf(glob_pattern, sizeof(glob_pattern), "%s/*.*", swap_path.c_str());
|
|
glob_t pglob;
|
|
int glob_status = glob(glob_pattern, 0, 0, &pglob);
|
|
if ( glob_status != 0 ) {
|
|
if ( glob_status < 0 ) {
|
|
Error("Can't glob '%s': %s", glob_pattern, strerror(errno));
|
|
} else {
|
|
Debug(1, "Can't glob '%s': %d", glob_pattern, glob_status);
|
|
}
|
|
} else {
|
|
for ( unsigned int i = 0; i < pglob.gl_pathc; i++ ) {
|
|
if ( unlink(pglob.gl_pathv[i]) < 0 ) {
|
|
Error("Can't unlink '%s': %s", pglob.gl_pathv[i], strerror(errno));
|
|
}
|
|
}
|
|
}
|
|
globfree( &pglob );
|
|
if ( rmdir(swap_path.c_str()) < 0 ) {
|
|
Error( "Can't rmdir '%s': %s", swap_path.c_str(), strerror(errno) );
|
|
}
|
|
} // end if checking for swap_path
|
|
} // end if buffered_playback
|
|
|
|
closeComms();
|
|
} // end MonitorStream::runStream
|
|
|
|
void MonitorStream::SingleImage( int scale ) {
|
|
int img_buffer_size = 0;
|
|
static JOCTET img_buffer[ZM_MAX_IMAGE_SIZE];
|
|
Image scaled_image;
|
|
Monitor::Snapshot *snap = monitor->getSnapshot();
|
|
Image *snap_image = snap->image;
|
|
|
|
if ( scale != ZM_SCALE_BASE ) {
|
|
scaled_image.Assign( *snap_image );
|
|
scaled_image.Scale( scale );
|
|
snap_image = &scaled_image;
|
|
}
|
|
if ( !config.timestamp_on_capture ) {
|
|
monitor->TimestampImage( snap_image, snap->timestamp );
|
|
}
|
|
snap_image->EncodeJpeg( img_buffer, &img_buffer_size );
|
|
|
|
fprintf( stdout, "Content-Length: %d\r\n", img_buffer_size );
|
|
fprintf( stdout, "Content-Type: image/jpeg\r\n\r\n" );
|
|
fwrite( img_buffer, img_buffer_size, 1, stdout );
|
|
}
|
|
|
|
void MonitorStream::SingleImageRaw( int scale ) {
|
|
Image scaled_image;
|
|
Monitor::Snapshot *snap = monitor->getSnapshot();
|
|
Image *snap_image = snap->image;
|
|
|
|
if ( scale != ZM_SCALE_BASE ) {
|
|
scaled_image.Assign( *snap_image );
|
|
scaled_image.Scale( scale );
|
|
snap_image = &scaled_image;
|
|
}
|
|
if ( !config.timestamp_on_capture ) {
|
|
monitor->TimestampImage( snap_image, snap->timestamp );
|
|
}
|
|
|
|
fprintf( stdout, "Content-Length: %d\r\n", snap_image->Size() );
|
|
fprintf( stdout, "Content-Type: image/x-rgb\r\n\r\n" );
|
|
fwrite( snap_image->Buffer(), snap_image->Size(), 1, stdout );
|
|
}
|
|
|
|
void MonitorStream::SingleImageZip( int scale ) {
|
|
unsigned long img_buffer_size = 0;
|
|
static Bytef img_buffer[ZM_MAX_IMAGE_SIZE];
|
|
Image scaled_image;
|
|
|
|
Monitor::Snapshot *snap = monitor->getSnapshot();
|
|
Image *snap_image = snap->image;
|
|
|
|
if ( scale != ZM_SCALE_BASE ) {
|
|
scaled_image.Assign( *snap_image );
|
|
scaled_image.Scale( scale );
|
|
snap_image = &scaled_image;
|
|
}
|
|
if ( !config.timestamp_on_capture ) {
|
|
monitor->TimestampImage( snap_image, snap->timestamp );
|
|
}
|
|
snap_image->Zip( img_buffer, &img_buffer_size );
|
|
|
|
fprintf( stdout, "Content-Length: %ld\r\n", img_buffer_size );
|
|
fprintf( stdout, "Content-Type: image/x-rgbz\r\n\r\n" );
|
|
fwrite( img_buffer, img_buffer_size, 1, stdout );
|
|
}
|