2003-03-26 19:57:29 +08:00
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//
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// ZoneMinder Camera Class Implementation, $Date$, $Revision$
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2008-07-25 17:33:23 +08:00
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// Copyright (C) 2001-2008 Philip Coombes
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2018-05-07 22:27:06 +08:00
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//
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2003-03-26 19:57:29 +08:00
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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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2018-05-07 22:27:06 +08:00
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//
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2003-03-26 19:57:29 +08:00
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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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2018-05-07 22:27:06 +08:00
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//
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2003-03-26 19:57:29 +08:00
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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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2016-12-26 23:23:16 +08:00
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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2018-05-07 22:27:06 +08:00
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//
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2003-03-26 19:57:29 +08:00
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#include "zm.h"
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#include "zm_camera.h"
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2018-05-07 22:27:06 +08:00
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Camera::Camera(
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unsigned int p_monitor_id,
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SourceType p_type,
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unsigned int p_width,
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unsigned int p_height,
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int p_colours,
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int p_subpixelorder,
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int p_brightness,
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int p_contrast,
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int p_hue,
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int p_colour,
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bool p_capture,
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bool p_record_audio
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) :
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monitor_id(p_monitor_id),
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2021-01-20 02:43:25 +08:00
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monitor(nullptr),
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2018-05-07 22:27:06 +08:00
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type(p_type),
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width(p_width),
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height(p_height),
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colours(p_colours),
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2018-05-11 05:51:38 +08:00
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subpixelorder(p_subpixelorder),
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2018-05-07 22:27:06 +08:00
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brightness(p_brightness),
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hue(p_hue),
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colour(p_colour),
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contrast(p_contrast),
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capture(p_capture),
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record_audio(p_record_audio),
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2017-11-21 00:48:56 +08:00
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mVideoStreamId(-1),
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mAudioStreamId(-1),
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2021-01-20 02:43:25 +08:00
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mVideoCodecContext(nullptr),
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mAudioCodecContext(nullptr),
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2021-01-28 23:45:19 +08:00
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mVideoStream(nullptr),
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mAudioStream(nullptr),
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2021-01-28 05:12:32 +08:00
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mFormatContext(nullptr),
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2018-05-07 22:27:06 +08:00
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bytes(0)
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2003-03-26 19:57:29 +08:00
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{
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2020-07-06 05:51:57 +08:00
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linesize = width * colours;
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2016-06-22 00:21:18 +08:00
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pixels = width * height;
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2020-07-06 05:51:57 +08:00
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imagesize = height * linesize;
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2018-05-07 22:27:06 +08:00
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2020-07-06 05:51:57 +08:00
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Debug(2, "New camera id: %d width: %d line size: %d height: %d colours: %d subpixelorder: %d capture: %d",
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monitor_id, width, linesize, height, colours, subpixelorder, capture);
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2003-03-26 19:57:29 +08:00
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}
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2016-06-22 01:48:32 +08:00
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Camera::~Camera() {
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2021-01-28 05:12:32 +08:00
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if ( mFormatContext ) {
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// Should also free streams
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avformat_free_context(mFormatContext);
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2021-01-28 23:45:19 +08:00
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mVideoStream = nullptr;
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mAudioStream = nullptr;
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2021-01-28 05:12:32 +08:00
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}
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2003-03-26 19:57:29 +08:00
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}
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2016-05-14 02:51:26 +08:00
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Monitor *Camera::getMonitor() {
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if ( ! monitor )
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2018-05-07 22:27:06 +08:00
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monitor = Monitor::Load(monitor_id, false, Monitor::QUERY);
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2016-05-14 02:51:26 +08:00
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return monitor;
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2018-05-07 22:27:06 +08:00
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}
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2016-09-09 21:15:04 +08:00
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2018-05-07 22:27:06 +08:00
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void Camera::setMonitor(Monitor *p_monitor) {
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2016-09-09 21:15:04 +08:00
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monitor = p_monitor;
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monitor_id = monitor->Id();
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}
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2021-01-28 05:12:32 +08:00
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AVStream *Camera::get_VideoStream() {
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2021-01-28 23:45:19 +08:00
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if ( !mVideoStream ) {
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2021-01-28 05:12:32 +08:00
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if ( !mFormatContext )
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mFormatContext = avformat_alloc_context();
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Debug(1, "Allocating avstream");
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2021-01-28 23:45:19 +08:00
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mVideoStream = avformat_new_stream(mFormatContext, nullptr);
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if ( mVideoStream ) {
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mVideoStream->time_base = (AVRational){1, 1000000}; // microseconds as base frame rate
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2021-01-28 05:12:32 +08:00
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#if LIBAVCODEC_VERSION_CHECK(57, 64, 0, 64, 0)
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2021-01-28 23:45:19 +08:00
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mVideoStream->codecpar->width = width;
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mVideoStream->codecpar->height = height;
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mVideoStream->codecpar->format = GetFFMPEGPixelFormat(colours, subpixelorder);
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mVideoStream->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
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mVideoStream->codecpar->codec_id = AV_CODEC_ID_NONE;
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Debug(1, "Allocating avstream %p %p %d", mVideoStream, mVideoStream->codecpar, mVideoStream->codecpar->codec_id);
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2021-01-28 05:12:32 +08:00
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#else
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2021-01-28 23:45:19 +08:00
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mVideoStream->codec->width = width;
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mVideoStream->codec->height = height;
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mVideoStream->codec->pix_fmt = GetFFMPEGPixelFormat(colours, subpixelorder);
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mVideoStream->codec->codec_type = AVMEDIA_TYPE_VIDEO;
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mVideoStream->codec->codec_id = AV_CODEC_ID_NONE;
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2021-01-28 05:12:32 +08:00
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#endif
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} else {
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Error("Can't create video stream");
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}
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}
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2021-01-28 23:45:19 +08:00
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return mVideoStream;
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2021-01-28 05:12:32 +08:00
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}
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