2 * Intel MediaSDK QSV encoder utility functions
4 * copyright (c) 2013 Yukinori Yamazoe
6 * This file is part of FFmpeg.
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.
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.
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
23 #ifndef AVCODEC_QSVENC_H
24 #define AVCODEC_QSVENC_H
27 #include <sys/types.h>
29 #include <mfx/mfxvideo.h>
31 #include "libavutil/avutil.h"
32 #include "libavutil/fifo.h"
35 #include "qsv_internal.h"
37 #define QSV_HAVE_CO2 QSV_VERSION_ATLEAST(1, 6)
38 #define QSV_HAVE_CO3 QSV_VERSION_ATLEAST(1, 11)
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)
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)
48 #if defined(_WIN32) || defined(__CYGWIN__)
49 #define QSV_HAVE_AVBR QSV_VERSION_ATLEAST(1, 3)
50 #define QSV_HAVE_ICQ QSV_VERSION_ATLEAST(1, 8)
51 #define QSV_HAVE_VCM QSV_VERSION_ATLEAST(1, 8)
52 #define QSV_HAVE_QVBR QSV_VERSION_ATLEAST(1, 11)
55 #define QSV_HAVE_AVBR 0
56 #define QSV_HAVE_ICQ 0
57 #define QSV_HAVE_VCM 0
58 #define QSV_HAVE_QVBR 0
59 #define QSV_HAVE_MF QSV_VERSION_ATLEAST(1, 25)
63 #define MFX_LOOKAHEAD_DS_UNKNOWN 0
64 #define MFX_LOOKAHEAD_DS_OFF 0
65 #define MFX_LOOKAHEAD_DS_2x 0
66 #define MFX_LOOKAHEAD_DS_4x 0
69 #define QSV_COMMON_OPTS \
70 { "async_depth", "Maximum processing parallelism", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 0, 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 }, MFX_TARGETUSAGE_BEST_QUALITY, MFX_TARGETUSAGE_BEST_SPEED, VE, "preset" }, \
74 { "veryfast", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_SPEED }, INT_MIN, INT_MAX, VE, "preset" }, \
75 { "faster", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_6 }, INT_MIN, INT_MAX, VE, "preset" }, \
76 { "fast", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_5 }, INT_MIN, INT_MAX, VE, "preset" }, \
77 { "medium", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BALANCED }, INT_MIN, INT_MAX, VE, "preset" }, \
78 { "slow", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_3 }, INT_MIN, INT_MAX, VE, "preset" }, \
79 { "slower", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_2 }, INT_MIN, INT_MAX, VE, "preset" }, \
80 { "veryslow", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_QUALITY }, INT_MIN, INT_MAX, VE, "preset" }, \
81 { "vcm", "Use the video conferencing mode ratecontrol", OFFSET(qsv.vcm), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE }, \
82 { "rdo", "Enable rate distortion optimization", OFFSET(qsv.rdo), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
83 { "max_frame_size", "Maximum encoded frame size in bytes", OFFSET(qsv.max_frame_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE }, \
84 { "max_slice_size", "Maximum encoded slice size in bytes", OFFSET(qsv.max_slice_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE }, \
85 { "bitrate_limit", "Toggle bitrate limitations", OFFSET(qsv.bitrate_limit), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
86 { "mbbrc", "MB level bitrate control", OFFSET(qsv.mbbrc), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
87 { "extbrc", "Extended bitrate control", OFFSET(qsv.extbrc), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
88 { "adaptive_i", "Adaptive I-frame placement", OFFSET(qsv.adaptive_i), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
89 { "adaptive_b", "Adaptive B-frame placement", OFFSET(qsv.adaptive_b), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
90 { "b_strategy", "Strategy to choose between I/P/B-frames", OFFSET(qsv.b_strategy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
92 typedef int SetEncodeCtrlCB (AVCodecContext *avctx,
93 const AVFrame *frame, mfxEncodeCtrl* enc_ctrl);
94 typedef struct QSVEncContext {
95 AVCodecContext *avctx;
97 QSVFrame *work_frames;
100 mfxSession internal_session;
107 mfxFrameAllocRequest req;
109 mfxExtCodingOption extco;
111 mfxExtCodingOption2 extco2;
114 mfxExtMultiFrameParam extmfp;
115 mfxExtMultiFrameControl extmfc;
117 mfxExtOpaqueSurfaceAlloc opaque_alloc;
118 mfxFrameSurface1 **opaque_surfaces;
119 AVBufferRef *opaque_alloc_buf;
121 mfxExtBuffer *extparam_internal[2 + QSV_HAVE_CO2 + (QSV_HAVE_MF * 2)];
122 int nb_extparam_internal;
124 mfxExtBuffer **extparam;
126 AVFifoBuffer *async_fifo;
128 QSVFramesContext frames_ctx;
130 // options set by the caller
136 int avbr_convergence;
139 int look_ahead_depth;
140 int look_ahead_downsampling;
148 int single_sei_nal_unit;
149 int max_dec_frame_buffering;
161 int int_ref_cycle_size;
162 int int_ref_qp_delta;
163 int recovery_point_sei;
171 SetEncodeCtrlCB *set_encode_ctrl_cb;
174 int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q);
176 int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
177 AVPacket *pkt, const AVFrame *frame, int *got_packet);
179 int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q);
181 #endif /* AVCODEC_QSVENC_H */