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)
47 #define QSV_HAVE_ICQ QSV_VERSION_ATLEAST(1, 8)
48 #define QSV_HAVE_VCM QSV_VERSION_ATLEAST(1, 8)
49 #define QSV_HAVE_QVBR QSV_VERSION_ATLEAST(1, 11)
51 #define QSV_COMMON_OPTS \
52 { "async_depth", "Maximum processing parallelism", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 0, INT_MAX, VE }, \
53 { "avbr_accuracy", "Accuracy of the AVBR ratecontrol", OFFSET(qsv.avbr_accuracy), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, \
54 { "avbr_convergence", "Convergence of the AVBR ratecontrol", OFFSET(qsv.avbr_convergence), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, \
55 { "preset", NULL, OFFSET(qsv.preset), AV_OPT_TYPE_INT, { .i64 = MFX_TARGETUSAGE_BALANCED }, MFX_TARGETUSAGE_BEST_QUALITY, MFX_TARGETUSAGE_BEST_SPEED, VE, "preset" }, \
56 { "veryfast", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_SPEED }, INT_MIN, INT_MAX, VE, "preset" }, \
57 { "faster", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_6 }, INT_MIN, INT_MAX, VE, "preset" }, \
58 { "fast", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_5 }, INT_MIN, INT_MAX, VE, "preset" }, \
59 { "medium", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BALANCED }, INT_MIN, INT_MAX, VE, "preset" }, \
60 { "slow", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_3 }, INT_MIN, INT_MAX, VE, "preset" }, \
61 { "slower", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_2 }, INT_MIN, INT_MAX, VE, "preset" }, \
62 { "veryslow", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_QUALITY }, INT_MIN, INT_MAX, VE, "preset" }, \
63 { "vcm", "Use the video conferencing mode ratecontrol", OFFSET(qsv.vcm), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE }, \
64 { "rdo", "Enable rate distortion optimization", OFFSET(qsv.rdo), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
65 { "max_frame_size", "Maximum encoded frame size in bytes", OFFSET(qsv.max_frame_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE }, \
66 { "max_slice_size", "Maximum encoded slice size in bytes", OFFSET(qsv.max_slice_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE }, \
67 { "bitrate_limit", "Toggle bitrate limitations", OFFSET(qsv.bitrate_limit), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
68 { "mbbrc", "MB level bitrate control", OFFSET(qsv.mbbrc), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
69 { "extbrc", "Extended bitrate control", OFFSET(qsv.extbrc), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
70 { "adaptive_i", "Adaptive I-frame placement", OFFSET(qsv.adaptive_i), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
71 { "adaptive_b", "Adaptive B-frame placement", OFFSET(qsv.adaptive_b), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
72 { "b_strategy", "Strategy to choose between I/P/B-frames", OFFSET(qsv.b_strategy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \
73 { "cavlc", "Enable CAVLC", OFFSET(qsv.cavlc), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE }, \
75 typedef int SetEncodeCtrlCB (AVCodecContext *avctx,
76 const AVFrame *frame, mfxEncodeCtrl* enc_ctrl);
77 typedef struct QSVEncContext {
78 AVCodecContext *avctx;
80 QSVFrame *work_frames;
83 mfxSession internal_session;
89 mfxFrameAllocRequest req;
91 mfxExtCodingOption extco;
93 mfxExtCodingOption2 extco2;
96 mfxExtOpaqueSurfaceAlloc opaque_alloc;
97 mfxFrameSurface1 **opaque_surfaces;
98 AVBufferRef *opaque_alloc_buf;
100 mfxExtBuffer *extparam_internal[2 + QSV_HAVE_CO2];
101 int nb_extparam_internal;
103 mfxExtBuffer **extparam;
105 AVFifoBuffer *async_fifo;
107 QSVFramesContext frames_ctx;
109 // options set by the caller
115 int avbr_convergence;
118 int look_ahead_depth;
119 int look_ahead_downsampling;
125 int single_sei_nal_unit;
126 int max_dec_frame_buffering;
138 int int_ref_cycle_size;
139 int int_ref_qp_delta;
140 int recovery_point_sei;
144 SetEncodeCtrlCB *set_encode_ctrl_cb;
147 int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q);
149 int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
150 AVPacket *pkt, const AVFrame *frame, int *got_packet);
152 int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q);
154 #endif /* AVCODEC_QSVENC_H */