author | Wuzzy <almikes@aol.com> |
Sat, 15 Apr 2017 06:52:14 +0200 | |
changeset 12256 | 789277d46784 |
parent 7813 | 7ac83d79b897 |
permissions | -rw-r--r-- |
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/* |
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* Video Acceleration API (shared data between Libav and the video player) |
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* HW decode acceleration for MPEG-2, MPEG-4, H.264 and VC-1 |
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* |
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* Copyright (C) 2008-2009 Splitted-Desktop Systems |
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* |
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav 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 GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVCODEC_VAAPI_H |
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#define AVCODEC_VAAPI_H |
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/** |
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* @file |
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* @ingroup lavc_codec_hwaccel_vaapi |
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* Public libavcodec VA API header. |
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*/ |
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#include <stdint.h> |
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/** |
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* @defgroup lavc_codec_hwaccel_vaapi VA API Decoding |
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* @ingroup lavc_codec_hwaccel |
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* @{ |
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*/ |
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/** |
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* This structure is used to share data between the Libav library and |
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* the client video application. |
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* This shall be zero-allocated and available as |
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* AVCodecContext.hwaccel_context. All user members can be set once |
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* during initialization or through each AVCodecContext.get_buffer() |
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* function call. In any case, they must be valid prior to calling |
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* decoding functions. |
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*/ |
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struct vaapi_context { |
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/** |
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* Window system dependent data |
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* |
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* - encoding: unused |
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* - decoding: Set by user |
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*/ |
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void *display; |
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/** |
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* Configuration ID |
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* |
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* - encoding: unused |
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* - decoding: Set by user |
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*/ |
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uint32_t config_id; |
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/** |
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* Context ID (video decode pipeline) |
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* |
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* - encoding: unused |
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* - decoding: Set by user |
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*/ |
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uint32_t context_id; |
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/** |
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* VAPictureParameterBuffer ID |
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* |
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* - encoding: unused |
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* - decoding: Set by libavcodec |
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*/ |
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uint32_t pic_param_buf_id; |
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/** |
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* VAIQMatrixBuffer ID |
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* |
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* - encoding: unused |
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* - decoding: Set by libavcodec |
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*/ |
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uint32_t iq_matrix_buf_id; |
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/** |
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* VABitPlaneBuffer ID (for VC-1 decoding) |
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* |
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* - encoding: unused |
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* - decoding: Set by libavcodec |
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*/ |
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uint32_t bitplane_buf_id; |
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/** |
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* Slice parameter/data buffer IDs |
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* |
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* - encoding: unused |
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* - decoding: Set by libavcodec |
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*/ |
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uint32_t *slice_buf_ids; |
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/** |
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* Number of effective slice buffer IDs to send to the HW |
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* |
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* - encoding: unused |
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* - decoding: Set by libavcodec |
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*/ |
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unsigned int n_slice_buf_ids; |
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/** |
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* Size of pre-allocated slice_buf_ids |
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* |
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* - encoding: unused |
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* - decoding: Set by libavcodec |
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*/ |
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unsigned int slice_buf_ids_alloc; |
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/** |
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* Pointer to VASliceParameterBuffers |
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* |
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* - encoding: unused |
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* - decoding: Set by libavcodec |
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*/ |
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void *slice_params; |
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/** |
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* Size of a VASliceParameterBuffer element |
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* |
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* - encoding: unused |
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* - decoding: Set by libavcodec |
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*/ |
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unsigned int slice_param_size; |
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/** |
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* Size of pre-allocated slice_params |
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* |
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* - encoding: unused |
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* - decoding: Set by libavcodec |
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*/ |
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unsigned int slice_params_alloc; |
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/** |
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* Number of slices currently filled in |
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* |
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* - encoding: unused |
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* - decoding: Set by libavcodec |
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*/ |
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unsigned int slice_count; |
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/** |
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* Pointer to slice data buffer base |
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* - encoding: unused |
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* - decoding: Set by libavcodec |
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*/ |
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const uint8_t *slice_data; |
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/** |
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* Current size of slice data |
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* |
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* - encoding: unused |
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* - decoding: Set by libavcodec |
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*/ |
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uint32_t slice_data_size; |
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}; |
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/* @} */ |
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#endif /* AVCODEC_VAAPI_H */ |