1/* 2 * Video Acceleration API (video decoding) 3 * HW decode acceleration for MPEG-2, MPEG-4, H.264 and VC-1 4 * 5 * Copyright (C) 2008-2009 Splitted-Desktop Systems 6 * 7 * This file is part of FFmpeg. 8 * 9 * FFmpeg is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Lesser General Public 11 * License as published by the Free Software Foundation; either 12 * version 2.1 of the License, or (at your option) any later version. 13 * 14 * FFmpeg is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Lesser General Public License for more details. 18 * 19 * You should have received a copy of the GNU Lesser General Public 20 * License along with FFmpeg; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 22 */ 23 24#ifndef AVCODEC_VAAPI_INTERNAL_H 25#define AVCODEC_VAAPI_INTERNAL_H 26 27#include <va/va.h> 28#include "vaapi.h" 29#include "avcodec.h" 30#include "mpegvideo.h" 31 32/** 33 * \addtogroup VAAPI_Decoding 34 * 35 * @{ 36 */ 37 38/** Extract VASurfaceID from a Picture */ 39static inline VASurfaceID ff_vaapi_get_surface_id(Picture *pic) 40{ 41 return (uintptr_t)pic->data[3]; 42} 43 44/** Common AVHWAccel.end_frame() implementation */ 45int ff_vaapi_common_end_frame(MpegEncContext *s); 46 47/** Allocate a new picture parameter buffer */ 48void *ff_vaapi_alloc_pic_param(struct vaapi_context *vactx, unsigned int size); 49 50/** Allocate a new IQ matrix buffer */ 51void *ff_vaapi_alloc_iq_matrix(struct vaapi_context *vactx, unsigned int size); 52 53/** Allocate a new bit-plane buffer */ 54uint8_t *ff_vaapi_alloc_bitplane(struct vaapi_context *vactx, uint32_t size); 55 56/** 57 * Allocate a new slice descriptor for the input slice. 58 * 59 * @param vactx the VA API context 60 * @param buffer the slice data buffer base 61 * @param size the size of the slice in bytes 62 * @return the newly allocated slice parameter 63 */ 64VASliceParameterBufferBase *ff_vaapi_alloc_slice(struct vaapi_context *vactx, const uint8_t *buffer, uint32_t size); 65 66/* @} */ 67 68#endif /* AVCODEC_VAAPI_INTERNAL_H */ 69