libavcodec/qsvenc.h

   1 /*
   2  * Intel MediaSDK QSV encoder utility functions
   3  *
   4  * copyright (c) 2013 Yukinori Yamazoe
   5  *
   6  * This file is part of Libav.
   7  *
   8  * Libav 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  * Libav 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 Libav; 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 #define QSV_HAVE_CO2 QSV_VERSION_ATLEAST(1, 6)
  38 #define QSV_HAVE_CO3 QSV_VERSION_ATLEAST(1, 11)
  39
  40 #define QSV_HAVE_TRELLIS QSV_VERSION_ATLEAST(1, 8)
  41
  42 #define QSV_HAVE_LA     QSV_VERSION_ATLEAST(1, 7)
  43 #define QSV_HAVE_LA_HRD QSV_VERSION_ATLEAST(1, 11)
  44 #define QSV_HAVE_ICQ    QSV_VERSION_ATLEAST(1, 8)
  45 #define QSV_HAVE_VCM    QSV_VERSION_ATLEAST(1, 8)
  46 #define QSV_HAVE_QVBR   QSV_VERSION_ATLEAST(1, 11)
  47
  48 #define QSV_COMMON_OPTS \
  49 { "async_depth", "Maximum processing parallelism", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 0, INT_MAX, VE },  \
  50 { "avbr_accuracy",    "Accuracy of the AVBR ratecontrol",    OFFSET(qsv.avbr_accuracy),    AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },     \
  51 { "avbr_convergence", "Convergence of the AVBR ratecontrol", OFFSET(qsv.avbr_convergence), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },     \
  52 { "preset", NULL, OFFSET(qsv.preset), AV_OPT_TYPE_INT, { .i64 = MFX_TARGETUSAGE_BALANCED }, 0, 7,   VE, "preset" },                             \
  53 { "fast",   NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_SPEED  },   INT_MIN, INT_MAX, VE, "preset" },                             \
  54 { "medium", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BALANCED  },     INT_MIN, INT_MAX, VE, "preset" },                             \
  55 { "slow",   NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_QUALITY  }, INT_MIN, INT_MAX, VE, "preset" },                             \
  56
  57 typedef struct QSVEncContext {
  58     AVCodecContext *avctx;
  59
  60     QSVFrame *work_frames;
  61
  62     mfxSession session;
  63     mfxSession internal_session;
  64
  65     int packet_size;
  66     int width_align;
  67
  68     mfxVideoParam param;
  69     mfxFrameAllocRequest req;
  70
  71     mfxExtCodingOption  extco;
  72
  73     mfxExtOpaqueSurfaceAlloc opaque_alloc;
  74     mfxFrameSurface1       **opaque_surfaces;
  75     AVBufferRef             *opaque_alloc_buf;
  76
  77     mfxExtBuffer  *extparam_internal[2];
  78     int         nb_extparam_internal;
  79
  80     mfxExtBuffer **extparam;
  81
  82     AVFifoBuffer *async_fifo;
  83
  84     // options set by the caller
  85     int async_depth;
  86     int idr_interval;
  87     int profile;
  88     int preset;
  89     int avbr_accuracy;
  90     int avbr_convergence;
  91
  92     char *load_plugins;
  93 } QSVEncContext;
  94
  95 int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q);
  96
  97 int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
  98                   AVPacket *pkt, const AVFrame *frame, int *got_packet);
  99
 100 int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q);
 101
 102 #endif /* AVCODEC_QSVENC_H */