Milestone 5: deliver embedded RDP sessions and lifecycle hardening
This commit is contained in:
Keith Smith
146
third_party/FreeRDP/include/freerdp/codec/h264.h
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146
third_party/FreeRDP/include/freerdp/codec/h264.h
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/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* H.264 Bitmap Compression
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*
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* Copyright 2014 Mike McDonald <Mike.McDonald@software.dell.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef FREERDP_CODEC_H264_H
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#define FREERDP_CODEC_H264_H
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#include <winpr/wlog.h>
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#include <freerdp/api.h>
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#include <freerdp/types.h>
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#include <freerdp/channels/rdpgfx.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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typedef struct S_H264_CONTEXT_SUBSYSTEM H264_CONTEXT_SUBSYSTEM;
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typedef struct S_H264_CONTEXT H264_CONTEXT;
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typedef struct S_YUV_CONTEXT YUV_CONTEXT;
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typedef enum
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{
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H264_RATECONTROL_VBR = 0,
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H264_RATECONTROL_CQP
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} H264_RATECONTROL_MODE;
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/**
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* @brief The usage types for H264 encoding
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* @since version 3.6.0
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*/
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typedef enum
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{
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H264_SCREEN_CONTENT_REAL_TIME = 0,
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H264_SCREEN_CONTENT_NON_REAL_TIME,
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H264_CAMERA_VIDEO_REAL_TIME,
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H264_CAMERA_VIDEO_NON_REAL_TIME,
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} H264_USAGETYPE;
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typedef enum
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{
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H264_CONTEXT_OPTION_RATECONTROL,
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H264_CONTEXT_OPTION_BITRATE,
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H264_CONTEXT_OPTION_FRAMERATE,
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H264_CONTEXT_OPTION_QP,
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H264_CONTEXT_OPTION_USAGETYPE, /** @since version 3.6.0 */
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H264_CONTEXT_OPTION_HW_ACCEL, /** set to request hw accel, get to check if hw accel is on,
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@since version 3.11.0 */
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} H264_CONTEXT_OPTION;
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FREERDP_API void free_h264_metablock(RDPGFX_H264_METABLOCK* meta);
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WINPR_ATTR_NODISCARD
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FREERDP_API BOOL h264_context_set_option(H264_CONTEXT* h264, H264_CONTEXT_OPTION option,
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UINT32 value);
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WINPR_ATTR_NODISCARD
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FREERDP_API UINT32 h264_context_get_option(H264_CONTEXT* h264, H264_CONTEXT_OPTION option);
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WINPR_ATTR_NODISCARD
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FREERDP_API INT32 avc420_compress(H264_CONTEXT* h264, const BYTE* pSrcData, DWORD SrcFormat,
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UINT32 nSrcStep, UINT32 nSrcWidth, UINT32 nSrcHeight,
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const RECTANGLE_16* regionRect, BYTE** ppDstData,
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UINT32* pDstSize, RDPGFX_H264_METABLOCK* meta);
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/** @brief API for user to fill YUV I420 buffer before encoding
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*
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* @param h264 The h264 context to query
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* @param nSrcStride The size of a line in bytes of the source image
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* @param nSrcWidth The width of the source image in pixels
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* @param nSrcHeight The height of the source image
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* @param YUVData A pointer to hold the current YUV buffers
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* @param stride A pointer to hold the byte length of a line in the YUV buffers
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* @return \b >= 0 for success, \b <0 for an error
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* @since version 3.6.0
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*/
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WINPR_ATTR_NODISCARD
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FREERDP_API INT32 h264_get_yuv_buffer(H264_CONTEXT* h264, UINT32 nSrcStride, UINT32 nSrcWidth,
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UINT32 nSrcHeight, BYTE* YUVData[3], UINT32 stride[3]);
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/**
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* @brief Compress currently filled image data to H264 stream
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*
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* @param h264 The H264 context to use for compression
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* @param ppDstData A pointer that will hold the allocated result buffer
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* @param pDstSize A pointer for the destination buffer size in bytes
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* @return \b >= 0 for success, \b <0 for an error
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* @since version 3.6.0
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*/
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WINPR_ATTR_NODISCARD
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FREERDP_API INT32 h264_compress(H264_CONTEXT* h264, BYTE** ppDstData, UINT32* pDstSize);
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WINPR_ATTR_NODISCARD
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FREERDP_API INT32 avc420_decompress(H264_CONTEXT* h264, const BYTE* pSrcData, UINT32 SrcSize,
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BYTE* pDstData, DWORD DstFormat, UINT32 nDstStep,
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UINT32 nDstWidth, UINT32 nDstHeight,
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const RECTANGLE_16* regionRects, UINT32 numRegionRect);
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WINPR_ATTR_NODISCARD
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FREERDP_API INT32 avc444_compress(H264_CONTEXT* h264, const BYTE* pSrcData, DWORD SrcFormat,
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UINT32 nSrcStep, UINT32 nSrcWidth, UINT32 nSrcHeight,
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BYTE version, const RECTANGLE_16* regionRect, BYTE* op,
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BYTE** pDstData, UINT32* pDstSize, BYTE** pAuxDstData,
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UINT32* pAuxDstSize, RDPGFX_H264_METABLOCK* meta,
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RDPGFX_H264_METABLOCK* auxMeta);
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WINPR_ATTR_NODISCARD
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FREERDP_API INT32 avc444_decompress(H264_CONTEXT* h264, BYTE op,
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const RECTANGLE_16* regionRects, UINT32 numRegionRect,
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const BYTE* pSrcData, UINT32 SrcSize,
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const RECTANGLE_16* auxRegionRects, UINT32 numAuxRegionRect,
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const BYTE* pAuxSrcData, UINT32 AuxSrcSize, BYTE* pDstData,
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DWORD DstFormat, UINT32 nDstStep, UINT32 nDstWidth,
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UINT32 nDstHeight, UINT32 codecId);
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WINPR_ATTR_NODISCARD
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FREERDP_API BOOL h264_context_reset(H264_CONTEXT* h264, UINT32 width, UINT32 height);
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FREERDP_API void h264_context_free(H264_CONTEXT* h264);
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WINPR_ATTR_MALLOC(h264_context_free, 1)
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WINPR_ATTR_NODISCARD
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FREERDP_API H264_CONTEXT* h264_context_new(BOOL Compressor);
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#ifdef __cplusplus
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}
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#endif
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#endif /* FREERDP_CODEC_H264_H */
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