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102 lines
3.8 KiB
102 lines
3.8 KiB
/* |
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* Video Acceleration API (video decoding) |
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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 FFmpeg. |
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* |
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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_INTERNAL_H |
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#define AVCODEC_VAAPI_INTERNAL_H |
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#include <va/va.h> |
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#include "vaapi.h" |
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#include "avcodec.h" |
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#include "mpegvideo.h" |
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/** |
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* @addtogroup VAAPI_Decoding |
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* |
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* @{ |
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*/ |
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typedef struct { |
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VADisplay display; ///< Windowing system dependent handle |
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VAConfigID config_id; ///< Configuration ID |
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VAContextID context_id; ///< Context ID (video decode pipeline) |
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VABufferID pic_param_buf_id; ///< Picture parameter buffer |
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VABufferID iq_matrix_buf_id; ///< Inverse quantiser matrix buffer |
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VABufferID bitplane_buf_id; ///< Bitplane buffer (for VC-1 decoding) |
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VABufferID *slice_buf_ids; ///< Slice parameter/data buffers |
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unsigned int n_slice_buf_ids; ///< Number of effective slice buffers |
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unsigned int slice_buf_ids_alloc; ///< Number of allocated slice buffers |
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void *slice_params; ///< Pointer to slice parameter buffers |
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unsigned int slice_param_size; ///< Size of a slice parameter element |
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unsigned int slice_params_alloc; ///< Number of allocated slice parameters |
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unsigned int slice_count; ///< Number of slices currently filled in |
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const uint8_t *slice_data; ///< Pointer to slice data buffer base |
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unsigned int slice_data_size; ///< Current size of slice data |
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} FFVAContext; |
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/** Extract vaapi_context from an AVCodecContext */ |
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static inline FFVAContext *ff_vaapi_get_context(AVCodecContext *avctx) |
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{ |
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return avctx->internal->hwaccel_priv_data; |
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} |
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/** Extract VASurfaceID from an AVFrame */ |
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static inline VASurfaceID ff_vaapi_get_surface_id(AVFrame *pic) |
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{ |
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return (uintptr_t)pic->data[3]; |
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} |
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/** Common AVHWAccel.init() implementation */ |
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int ff_vaapi_context_init(AVCodecContext *avctx); |
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/** Common AVHWAccel.uninit() implementation */ |
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int ff_vaapi_context_fini(AVCodecContext *avctx); |
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/** Common AVHWAccel.end_frame() implementation */ |
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void ff_vaapi_common_end_frame(AVCodecContext *avctx); |
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/** Allocate a new picture parameter buffer */ |
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void *ff_vaapi_alloc_pic_param(FFVAContext *vactx, unsigned int size); |
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/** Allocate a new IQ matrix buffer */ |
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void *ff_vaapi_alloc_iq_matrix(FFVAContext *vactx, unsigned int size); |
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/** Allocate a new bit-plane buffer */ |
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uint8_t *ff_vaapi_alloc_bitplane(FFVAContext *vactx, uint32_t size); |
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/** |
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* Allocate a new slice descriptor for the input slice. |
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* |
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* @param vactx the VA API context |
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* @param buffer the slice data buffer base |
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* @param size the size of the slice in bytes |
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* @return the newly allocated slice parameter |
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*/ |
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VASliceParameterBufferBase *ff_vaapi_alloc_slice(FFVAContext *vactx, const uint8_t *buffer, uint32_t size); |
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int ff_vaapi_mpeg_end_frame(AVCodecContext *avctx); |
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int ff_vaapi_commit_slices(FFVAContext *vactx); |
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int ff_vaapi_render_picture(FFVAContext *vactx, VASurfaceID surface); |
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/* @} */ |
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#endif /* AVCODEC_VAAPI_INTERNAL_H */
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