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VideoPipeline.h
Go to the documentation of this file.
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/*
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* Copyright (c) 2016-2021, NVIDIA CORPORATION. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of NVIDIA CORPORATION nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef VIDEO_PIPELINE_H
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#define VIDEO_PIPELINE_H
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#ifdef GST_SUPPORTED
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#include <gst/gst.h>
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#endif
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namespace
ArgusSamples
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{
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/**
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* Record a video from a EGL stream
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*/
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class
VideoPipeline
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{
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public
:
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VideoPipeline
();
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~VideoPipeline
();
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/**
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* Supported video formats
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*/
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typedef
enum
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{
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VIDEO_FORMAT_H264
,
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VIDEO_FORMAT_H265
,
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VIDEO_FORMAT_VP8
,
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VIDEO_FORMAT_VP9
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}
VideoFormat
;
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/**
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* Video BitRate presets
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*/
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typedef
enum
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{
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VIDEO_BITRATE_4M
= 4000000,
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VIDEO_BITRATE_8M
= 8000000,
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VIDEO_BITRATE_14M
= 14000000,
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VIDEO_BITRATE_20M
= 20000000,
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VIDEO_BITRATE_MAX
= 240000000
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}
VideoBitRate
;
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/**
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* Video Bitrate control method as per encoder properties
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*/
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typedef
enum
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{
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VIDEO_CONTROLRATE_DISABLE
= 0,
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VIDEO_CONTROLRATE_VARIABLE
= 1,
// use as default, for variable bitrate
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VIDEO_CONTROLRATE_CONSTANT
= 2
// to get constant bitrate
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}
VideoControlRateMode
;
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/**
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* Supported video file types
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*/
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typedef
enum
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{
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VIDEO_FILE_TYPE_MP4
,
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VIDEO_FILE_TYPE_3GP
,
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VIDEO_FILE_TYPE_AVI
,
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VIDEO_FILE_TYPE_MKV
,
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VIDEO_FILE_TYPE_H265
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}
VideoFileType
;
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/**
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* Video AVC profile types, each profile indicates support for various
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* performance bounds and different annexes.
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*/
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typedef
enum
{
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VIDEO_AVC_PROFILE_BASELINE
= 0x00,
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VIDEO_AVC_PROFILE_MAIN
= 0x02,
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VIDEO_AVC_PROFILE_HIGH
= 0x04,
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VIDEO_AVC_PROFILE_HIGH444
= 0x07,
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VIDEO_AVC_PROFILE_MAX
= 0x7FFFFFFF
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}
VideoAvcProfileType
;
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/**
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* Destroy the video pipeline
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*/
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bool
destroy
();
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/**
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* Setup the video pipeline for recording
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*
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* @param[in] videoStream EGL stream to record from
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* @param[in] width Width of the recorded video
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* @param[in] height Height of the recorded video
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* @param[in] frameRate Frame rate
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* @param[in] fileName File name
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* @param[in] videoFormat Video format
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* @param[in] videoFileType Video file type
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* @param[in] bitRate Bitrate, if 0 the bitrate will be selected depending on the
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* resolution
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* @param[in] controlRate Bit Rate control method
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* @param[in] enableTwoPassCBR enables 2-pass for constant bitRate
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*/
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bool
setupForRecording
(EGLStreamKHR videoStream, uint32_t width, uint32_t height,
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float
frameRate,
const
char
*fileName,
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VideoFormat
videoFormat =
VIDEO_FORMAT_H265
,
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VideoFileType
videoFileType =
VIDEO_FILE_TYPE_MKV
,
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uint32_t bitRate = 0,
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VideoControlRateMode
controlRate =
VIDEO_CONTROLRATE_VARIABLE
,
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bool
enableTwoPassCBR =
false
);
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/**
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* Setup the video pipeline for playback
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*
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* @param[out] videoStream EGL stream
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* @param[in] fileName File name
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*/
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bool
setupForPlayback
(EGLStreamKHR *videoStream,
const
char
*fileName);
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/**
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* Start recording/playback
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*/
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bool
start
();
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/**
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* Pause recording/playback
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*/
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bool
pause
();
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/**
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* Toggle recording/playback
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*/
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bool
toggle
();
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/**
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* Rewind (playback only)
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*/
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bool
rewind
();
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/**
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* Stop recording/playback
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*/
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bool
stop
();
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/**
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* Get the file extension for a video file type.
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*/
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static
const
char
*
getFileExtension
(
VideoFileType
fileType);
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/**
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* Get the aspect ratio of the video. The video has to be in paused or playing state.
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*
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* @param aspectRatio [out]
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*/
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bool
getAspectRatio
(
float
*aspectRatio)
const
;
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/**
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* Get indicator of video recording being supported
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*/
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static
bool
isSupported
();
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private
:
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#ifdef GST_SUPPORTED
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GstState m_state;
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GstElement *m_pipeline;
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#endif
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};
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};
// namespace ArgusSamples
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#endif // VIDEO_PIPELINE_H
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