1 /* 2 * Intel MediaSDK QSV utility functions 3 * 4 * copyright (c) 2013 Luca Barbato 5 * 6 * This file is part of FFmpeg. 7 * 8 * FFmpeg is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public 10 * License as published by the Free Software Foundation; either 11 * version 2.1 of the License, or (at your option) any later version. 12 * 13 * FFmpeg is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with FFmpeg; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ 22 23 #ifndef AVCODEC_QSVDEC_H 24 #define AVCODEC_QSVDEC_H 25 26 #include <stdint.h> 27 #include <sys/types.h> 28 29 #include <mfx/mfxvideo.h> 30 31 #include "libavutil/fifo.h" 32 #include "libavutil/frame.h" 33 #include "libavutil/pixfmt.h" 34 35 #include "avcodec.h" 36 #include "hwaccel.h" 37 #include "qsv_internal.h" 38 39 typedef struct QSVContext { 40 // the session used for decoding 41 mfxSession session; 42 43 // the session we allocated internally, in case the caller did not provide 44 // one 45 QSVSession internal_qs; 46 47 QSVFramesContext frames_ctx; 48 49 /** 50 * a linked list of frames currently being used by QSV 51 */ 52 QSVFrame *work_frames; 53 54 AVFifoBuffer *async_fifo; 55 int zero_consume_run; 56 int buffered_count; 57 int reinit_flag; 58 59 enum AVPixelFormat orig_pix_fmt; 60 uint32_t fourcc; 61 mfxFrameInfo frame_info; 62 AVBufferPool *pool; 63 64 int initialized; 65 66 // options set by the caller 67 int async_depth; 68 int iopattern; 69 int gpu_copy; 70 71 char *load_plugins; 72 73 mfxExtBuffer **ext_buffers; 74 int nb_ext_buffers; 75 } QSVContext; 76 77 extern const AVCodecHWConfigInternal *ff_qsv_hw_configs[]; 78 79 int ff_qsv_process_data(AVCodecContext *avctx, QSVContext *q, 80 AVFrame *frame, int *got_frame, AVPacket *pkt); 81 82 void ff_qsv_decode_flush(AVCodecContext *avctx, QSVContext *q); 83 84 int ff_qsv_decode_close(QSVContext *q); 85 86 #endif /* AVCODEC_QSVDEC_H */ 87