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  1. /*
  2.  * Intel MediaSDK QSV encoder utility functions
  3.  *
  4.  * copyright (c) 2013 Yukinori Yamazoe
  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_QSVENC_H
  24. #define AVCODEC_QSVENC_H
  25.  
  26. #include <stdint.h>
  27. #include <sys/types.h>
  28.  
  29. #include <mfx/mfxvideo.h>
  30.  
  31. #include "libavutil/avutil.h"
  32. #include "libavutil/fifo.h"
  33.  
  34. #include "avcodec.h"
  35. #include "qsv_internal.h"
  36.  
  37. typedef struct QSVEncContext {
  38.     AVCodecContext *avctx;
  39.  
  40.     QSVFrame *work_frames;
  41.  
  42.     mfxSession session;
  43.     QSVSession internal_qs;
  44.  
  45.     int packet_size;
  46.     int width_align;
  47.     int height_align;
  48.  
  49.     mfxVideoParam param;
  50.     mfxFrameAllocRequest req;
  51.  
  52.     mfxExtCodingOption  extco;
  53. #if QSV_VERSION_ATLEAST(1,6)
  54.     mfxExtCodingOption2 extco2;
  55.     mfxExtBuffer *extparam[2];
  56. #else
  57.     mfxExtBuffer *extparam[1];
  58. #endif
  59.  
  60.     AVFifoBuffer *async_fifo;
  61.  
  62.     // options set by the caller
  63.     int async_depth;
  64.     int idr_interval;
  65.     int profile;
  66.     int preset;
  67.     int avbr_accuracy;
  68.     int avbr_convergence;
  69.     int pic_timing_sei;
  70.     int look_ahead;
  71.     int look_ahead_depth;
  72.     int look_ahead_downsampling;
  73.  
  74.     char *load_plugins;
  75. } QSVEncContext;
  76.  
  77. int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q);
  78.  
  79. int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
  80.                   AVPacket *pkt, const AVFrame *frame, int *got_packet);
  81.  
  82. int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q);
  83.  
  84. #endif /* AVCODEC_QSVENC_H */
  85.