obs-StreamFX/source/encoders/codecs/h264.hpp

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// FFMPEG Video Encoder Integration for OBS Studio
// Copyright (c) 2019 Michael Fabian Dirks <info@xaymar.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#pragma once
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#include "common.hpp"
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// Codec: H264
#define S_CODEC_H264 "Codec.H264"
#define S_CODEC_H264_PROFILE "Codec.H264.Profile"
#define S_CODEC_H264_LEVEL "Codec.H264.Level"
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namespace streamfx::encoder::codec::h264 {
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enum class profile {
CONSTRAINED_BASELINE,
BASELINE,
MAIN,
HIGH,
HIGH444_PREDICTIVE,
UNKNOWN = -1,
};
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enum class level {
L1_0 = 10,
L1_0b,
L1_1,
L1_2,
L1_3,
L2_0 = 20,
L2_1,
L2_2,
L3_0 = 30,
L3_1,
L3_2,
L4_0 = 40,
L4_1,
L4_2,
L5_0 = 50,
L5_1,
L5_2,
L6_0 = 60,
L6_1,
L6_2,
UNKNOWN = -1,
};
// See ITU-T H.264
enum class nal_unit_type : uint8_t {
UNSPECIFIED = 0,
CODED_SLICE_NONIDR = 1,
CODED_SLICE_DATA_PARTITION_A = 2,
CODED_SLICE_DATA_PARTITION_B = 3,
CODED_SLICE_DATA_PARTITION_C = 4,
CODED_SLICE_IDR = 5,
SUPPLEMENTAL_ENHANCEMENT_INFORMATION = 6,
SEQUENCE_PARAMETER_SET = 7,
PICTURE_PARAMETER_SET = 8,
ACCESS_UNIT_DELIMITER = 9,
END_OF_SEQUENCE = 10,
END_OF_STREAM = 11,
FILLER_DATA = 12,
SEQUENCE_PARAMETER_SET_EXTENSION = 13,
PREFIX_NAL_UNIT = 14,
SUBSET_SEQUENCE_PARAMETER_SET = 15,
DEPTH_PARAMETER_SET = 16,
CODED_SLICE_AUXILIARY_PICTURE = 19,
CODED_SLICE_EXTENSION = 20,
CODED_SLICE_EXTENSION_DEPTH_VIEW = 21,
};
/** Search for the closest NAL unit.
*
* \param ptr Beginning of the search range.
* \param endptr End of the search range (exclusive).
*
* \return A valid pointer if a NAL was found, otherwise \ref nullptr.
*/
uint8_t* find_closest_nal(uint8_t* ptr, uint8_t* endptr, size_t& size);
uint32_t get_packet_reference_count(uint8_t* ptr, uint8_t* endptr);
} // namespace streamfx::encoder::codec::h264