| /* |
| * Video Acceleration API (shared data between FFmpeg and the video player) |
| * HW decode acceleration for MPEG-2, MPEG-4, H.264 and VC-1 |
| * |
| * Copyright (C) 2008-2009 Splitted-Desktop Systems |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifndef AVCODEC_VAAPI_H |
| #define AVCODEC_VAAPI_H |
| |
| #include <stdint.h> |
| |
| /** |
| * \defgroup VAAPI_Decoding VA API Decoding |
| * \ingroup Decoder |
| * @{ |
| */ |
| |
| /** |
| * This structure is used to share data between the FFmpeg library and |
| * the client video application. |
| * This shall be zero-allocated and available as |
| * AVCodecContext.hwaccel_context. All user members can be set once |
| * during initialization or through each AVCodecContext.get_buffer() |
| * function call. In any case, they must be valid prior to calling |
| * decoding functions. |
| */ |
| struct vaapi_context { |
| /** |
| * Window system dependent data |
| * |
| * - encoding: unused |
| * - decoding: Set by user |
| */ |
| void *display; |
| |
| /** |
| * Configuration ID |
| * |
| * - encoding: unused |
| * - decoding: Set by user |
| */ |
| uint32_t config_id; |
| |
| /** |
| * Context ID (video decode pipeline) |
| * |
| * - encoding: unused |
| * - decoding: Set by user |
| */ |
| uint32_t context_id; |
| |
| /** |
| * VAPictureParameterBuffer ID |
| * |
| * - encoding: unused |
| * - decoding: Set by libavcodec |
| */ |
| VABufferID pic_param_buf_id; |
| |
| /** |
| * VAIQMatrixBuffer ID |
| * |
| * - encoding: unused |
| * - decoding: Set by libavcodec |
| */ |
| VABufferID iq_matrix_buf_id; |
| |
| /** |
| * VABitPlaneBuffer ID (for VC-1 decoding) |
| * |
| * - encoding: unused |
| * - decoding: Set by libavcodec |
| */ |
| VABufferID bitplane_buf_id; |
| |
| /** |
| * Slice parameter/data buffer IDs |
| * |
| * - encoding: unused |
| * - decoding: Set by libavcodec |
| */ |
| VABufferID *slice_buf_ids; |
| |
| /** |
| * Number of effective slice buffer IDs to send to the HW |
| * |
| * - encoding: unused |
| * - decoding: Set by libavcodec |
| */ |
| unsigned int n_slice_buf_ids; |
| |
| /** |
| * Size of pre-allocated slice_buf_ids |
| * |
| * - encoding: unused |
| * - decoding: Set by libavcodec |
| */ |
| unsigned int slice_buf_ids_alloc; |
| |
| /** |
| * Picture parameter buffer |
| * |
| * - encoding: unused |
| * - decoding: Set by libavcodec |
| */ |
| union { |
| VAPictureParameterBufferMPEG2 mpeg2; |
| VAPictureParameterBufferMPEG4 mpeg4; |
| VAPictureParameterBufferH264 h264; |
| VAPictureParameterBufferVC1 vc1; |
| } pic_param; |
| |
| /** |
| * Size of a VAPictureParameterBuffer element |
| * |
| * - encoding: unused |
| * - decoding: Set by libavcodec |
| */ |
| unsigned int pic_param_size; |
| |
| /** |
| * Inverse quantization matrix buffer |
| * |
| * - encoding: unused |
| * - decoding: Set by libavcodec |
| */ |
| union { |
| VAIQMatrixBufferMPEG2 mpeg2; |
| VAIQMatrixBufferMPEG4 mpeg4; |
| VAIQMatrixBufferH264 h264; |
| } iq_matrix; |
| |
| /** |
| * Size of a VAIQMatrixBuffer element |
| * |
| * - encoding: unused |
| * - decoding: Set by libavcodec |
| */ |
| unsigned int iq_matrix_size; |
| |
| /** |
| * Flag: is quantization matrix present? |
| * |
| * - encoding: unused |
| * - decoding: Set by libavcodec |
| */ |
| uint8_t iq_matrix_present; |
| |
| /** |
| * VC-1 bitplane buffer |
| * |
| * - encoding: unused |
| * - decoding: Set by libavcodec |
| */ |
| uint8_t *bitplane_buffer; |
| |
| /** |
| * Size of VC-1 bitplane buffer |
| * |
| * - encoding: unused |
| * - decoding: Set by libavcodec |
| */ |
| unsigned int bitplane_buffer_size; |
| |
| /** |
| * Pointer to VASliceParameterBuffers |
| * |
| * - encoding: unused |
| * - decoding: Set by libavcodec |
| */ |
| void *slice_params; |
| |
| /** |
| * Size of a VASliceParameterBuffer element |
| * |
| * - encoding: unused |
| * - decoding: Set by libavcodec |
| */ |
| unsigned int slice_param_size; |
| |
| /** |
| * Size of pre-allocated slice_params |
| * |
| * - encoding: unused |
| * - decoding: Set by libavcodec |
| */ |
| unsigned int slice_params_alloc; |
| |
| /** |
| * Number of slices currently filled in |
| * |
| * - encoding: unused |
| * - decoding: Set by libavcodec |
| */ |
| unsigned int slice_count; |
| |
| /** |
| * Pointer to slice data buffer base |
| * - encoding: unused |
| * - decoding: Set by libavcodec |
| */ |
| const uint8_t *slice_data; |
| |
| /** |
| * Current size of slice data |
| * |
| * - encoding: unused |
| * - decoding: Set by libavcodec |
| */ |
| uint32_t slice_data_size; |
| }; |
| |
| /* @} */ |
| |
| #endif /* AVCODEC_VAAPI_H */ |