NvVideoEncoder.h

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/*
 * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *  * Neither the name of NVIDIA CORPORATION nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __NV_VIDEO_ENCODER_H__
#define __NV_VIDEO_ENCODER_H__

#include "NvV4l2Element.h"

class NvVideoEncoder:public NvV4l2Element
{
public:
    static NvVideoEncoder *createVideoEncoder(const char *name, int flags = 0);

     ~NvVideoEncoder();

    int setOutputPlaneFormat(uint32_t pixfmt, uint32_t width, uint32_t height);
    int setCapturePlaneFormat(uint32_t pixfmt, uint32_t width,
                              uint32_t height, uint32_t sizeimage);

    int setFrameRate(uint32_t framerate_num, uint32_t framerate_den);

    int setBitrate(uint32_t bitrate);

    int setProfile(uint32_t profile);

    int setLevel(enum v4l2_mpeg_video_h264_level level);

    int setRateControlMode(enum v4l2_mpeg_video_bitrate_mode mode);

    int setIFrameInterval(uint32_t interval);

    int setIDRInterval(uint32_t interval);

    int forceIDR();

    int setTemporalTradeoff(v4l2_enc_temporal_tradeoff_level_type level);

    int setSliceLength(v4l2_enc_slice_length_type type, uint32_t length);

    int setROIParams(uint32_t buffer_index, v4l2_enc_frame_ROI_params & params);

    int enableROI(v4l2_enc_enable_roi_param &params);

    int enableReconCRC(v4l2_enc_enable_reconcrc_param &params);

    int enableExternalRPS(v4l2_enc_enable_ext_rps_ctr &params);

    int enableExternalRC(v4l2_enc_enable_ext_rate_ctr &params);

    int SetInputMetaParams(uint32_t buffer_index, v4l2_ctrl_videoenc_input_metadata &params);

    int setVirtualBufferSize(uint32_t size);

    int setNumReferenceFrames(uint32_t num_frames);

    int setSliceIntrarefresh(uint32_t interval);

    int setNumBFrames(uint32_t num);

    int setInsertSpsPpsAtIdrEnabled(bool enabled);

    int enableMotionVectorReporting();

    int getMetadata(uint32_t buffer_index,
            v4l2_ctrl_videoenc_outputbuf_metadata &enc_metadata);

    int getMotionVectors(uint32_t buffer_index,
            v4l2_ctrl_videoenc_outputbuf_metadata_MV &enc_mv_metadata);

    int setQpRange(uint32_t MinQpI, uint32_t MaxQpI, uint32_t MinQpP,
            uint32_t MaxQpP, uint32_t MinQpB, uint32_t MaxQpB);


private:
    NvVideoEncoder(const char *name, int flags);

    static const NvElementProfiler::ProfilerField valid_fields =
            NvElementProfiler::PROFILER_FIELD_TOTAL_UNITS |
            NvElementProfiler::PROFILER_FIELD_LATENCIES |
            NvElementProfiler::PROFILER_FIELD_FPS;
};
#endif