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 #define QSV_HAVE_MAX_SLICE_SIZE QSV_VERSION_ATLEAST(1, 9)
  42 #define QSV_HAVE_BREF_TYPE      QSV_VERSION_ATLEAST(1, 8)
  43
  44 #define QSV_HAVE_LA     QSV_VERSION_ATLEAST(1, 7)
  45 #define QSV_HAVE_LA_DS  QSV_VERSION_ATLEAST(1, 8)
  46 #define QSV_HAVE_LA_HRD QSV_VERSION_ATLEAST(1, 11)
  47 #define QSV_HAVE_VDENC  QSV_VERSION_ATLEAST(1, 15)
  48
  49 #if defined(_WIN32)
  50 #define QSV_HAVE_AVBR   QSV_VERSION_ATLEAST(1, 3)
  51 #define QSV_HAVE_ICQ    QSV_VERSION_ATLEAST(1, 8)
  52 #define QSV_HAVE_VCM    QSV_VERSION_ATLEAST(1, 8)
  53 #define QSV_HAVE_QVBR   QSV_VERSION_ATLEAST(1, 11)
  54 #define QSV_HAVE_MF     0
  55 #else
  56 #define QSV_HAVE_AVBR   0
  57 #define QSV_HAVE_ICQ    0
  58 #define QSV_HAVE_VCM    0
  59 #define QSV_HAVE_QVBR   0
  60 #define QSV_HAVE_MF     QSV_VERSION_ATLEAST(1, 25)
  61 #endif
  62
  63 #if !QSV_HAVE_LA_DS
  64 #define MFX_LOOKAHEAD_DS_OFF 0
  65 #define MFX_LOOKAHEAD_DS_2x 0
  66 #define MFX_LOOKAHEAD_DS_4x 0
  67 #endif
  68
  69 #define QSV_COMMON_OPTS \
  70 { "async_depth", "Maximum processing parallelism", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 1, INT_MAX, VE },  \
  71 { "avbr_accuracy",    "Accuracy of the AVBR ratecontrol",    OFFSET(qsv.avbr_accuracy),    AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },     \
  72 { "avbr_convergence", "Convergence of the AVBR ratecontrol", OFFSET(qsv.avbr_convergence), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },     \
  73 { "preset", NULL, OFFSET(qsv.preset), AV_OPT_TYPE_INT, { .i64 = MFX_TARGETUSAGE_BALANCED }, 0, 7,   VE, "preset" },                             \
  74 { "fast",   NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_SPEED  },   INT_MIN, INT_MAX, VE, "preset" },                             \
  75 { "medium", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BALANCED  },     INT_MIN, INT_MAX, VE, "preset" },                             \
  76 { "slow",   NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_QUALITY  }, INT_MIN, INT_MAX, VE, "preset" },                             \
  77 { "la_depth", "Number of frames to analyze before encoding.", OFFSET(qsv.la_depth), AV_OPT_TYPE_INT, { .i64 = 9 },   9, 100, VE, "la_depth" },  \
  78 { "unset", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 9 }, INT_MIN, INT_MAX,                                                       VE, "la_depth" },  \
  79 { "la_ds", "Downscaling factor for the frames saved for the lookahead analysis", OFFSET(qsv.la_ds), AV_OPT_TYPE_INT,                            \
  80                     { .i64 = MFX_LOOKAHEAD_DS_UNKNOWN }, MFX_LOOKAHEAD_DS_UNKNOWN, MFX_LOOKAHEAD_DS_4x, VE, "la_ds" },                          \
  81 { "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_UNKNOWN }, INT_MIN, INT_MAX,                                     VE, "la_ds" }, \
  82 { "off", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_OFF }, INT_MIN, INT_MAX,                                          VE, "la_ds" }, \
  83 { "2x", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_2x }, INT_MIN, INT_MAX,                                            VE, "la_ds" }, \
  84 { "4x", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_4x }, INT_MIN, INT_MAX,                                            VE, "la_ds" }, \
  85 { "rdo",            "Enable rate distortion optimization",    OFFSET(qsv.rdo),            AV_OPT_TYPE_INT, { .i64 = -1 }, -1,          1, VE }, \
  86 { "max_frame_size", "Maximum encoded frame size in bytes",    OFFSET(qsv.max_frame_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE }, \
  87 { "max_slice_size", "Maximum encoded slice size in bytes",    OFFSET(qsv.max_slice_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE }, \
  88 { "bitrate_limit",  "Toggle bitrate limitations",             OFFSET(qsv.bitrate_limit),  AV_OPT_TYPE_INT, { .i64 = -1 }, -1,          1, VE }, \
  89 { "mbbrc",          "MB level bitrate control",               OFFSET(qsv.mbbrc),          AV_OPT_TYPE_INT, { .i64 = -1 }, -1,          1, VE }, \
  90 { "extbrc",         "Extended bitrate control",               OFFSET(qsv.extbrc),         AV_OPT_TYPE_INT, { .i64 = -1 }, -1,          1, VE }, \
  91 { "adaptive_i",     "Adaptive I-frame placement",             OFFSET(qsv.adaptive_i),     AV_OPT_TYPE_INT, { .i64 = -1 }, -1,          1, VE }, \
  92 { "adaptive_b",     "Adaptive B-frame placement",             OFFSET(qsv.adaptive_b),     AV_OPT_TYPE_INT, { .i64 = -1 }, -1,          1, VE }, \
  93 { "b_strategy",     "Strategy to choose between I/P/B-frames", OFFSET(qsv.b_strategy),    AV_OPT_TYPE_INT, { .i64 = -1 }, -1,          1, VE },
  94
  95 typedef struct QSVEncContext {
  96     AVCodecContext *avctx;
  97
  98     QSVFrame *work_frames;
  99
 100     mfxSession session;
 101     mfxSession internal_session;
 102
 103     int packet_size;
 104     int width_align;
 105     int height_align;
 106
 107     mfxVideoParam param;
 108     mfxFrameAllocRequest req;
 109
 110     mfxExtCodingOption  extco;
 111 #if QSV_HAVE_CO2
 112     mfxExtCodingOption2 extco2;
 113 #endif
 114 #if QSV_HAVE_MF
 115     mfxExtMultiFrameParam   extmfp;
 116     mfxExtMultiFrameControl extmfc;
 117 #endif
 118     mfxExtOpaqueSurfaceAlloc opaque_alloc;
 119     mfxFrameSurface1       **opaque_surfaces;
 120     AVBufferRef             *opaque_alloc_buf;
 121
 122     mfxExtBuffer  *extparam_internal[2 + QSV_HAVE_CO2 + (QSV_HAVE_MF * 2)];
 123     int         nb_extparam_internal;
 124
 125     mfxExtBuffer **extparam;
 126
 127     AVFifoBuffer *async_fifo;
 128
 129     QSVFramesContext frames_ctx;
 130
 131     // options set by the caller
 132     int async_depth;
 133     int idr_interval;
 134     int profile;
 135     int preset;
 136     int avbr_accuracy;
 137     int avbr_convergence;
 138     int la_depth;
 139     int la_ds;
 140     int vcm;
 141     int rdo;
 142     int max_frame_size;
 143     int max_slice_size;
 144
 145     int aud;
 146
 147     int single_sei_nal_unit;
 148     int max_dec_frame_buffering;
 149     int trellis;
 150
 151     int bitrate_limit;
 152     int mbbrc;
 153     int extbrc;
 154     int adaptive_i;
 155     int adaptive_b;
 156     int b_strategy;
 157     int cavlc;
 158
 159     int int_ref_type;
 160     int int_ref_cycle_size;
 161     int int_ref_qp_delta;
 162     int recovery_point_sei;
 163     int low_power;
 164
 165 #if QSV_HAVE_MF
 166     int mfmode;
 167 #endif
 168     char *load_plugins;
 169 } QSVEncContext;
 170
 171 int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q);
 172
 173 int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
 174                   AVPacket *pkt, const AVFrame *frame, int *got_packet);
 175
 176 int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q);
 177
 178 #endif /* AVCODEC_QSVENC_H */