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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 "hwconfig.h"
36 #include "qsv_internal.h"
37 
38 #define QSV_HAVE_EXT_VP9_TILES QSV_VERSION_ATLEAST(1, 29)
39 
40 #if defined(_WIN32) || defined(__CYGWIN__)
41 #define QSV_HAVE_AVBR   1
42 #define QSV_HAVE_VCM    1
43 #define QSV_HAVE_MF     0
44 #else
45 #define QSV_HAVE_AVBR   0
46 #define QSV_HAVE_VCM    0
47 #define QSV_HAVE_MF     1
48 #endif
49 
50 #define QSV_COMMON_OPTS \
51 { "async_depth", "Maximum processing parallelism", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 1, INT_MAX, VE },                          \
52 { "avbr_accuracy",    "Accuracy of the AVBR ratecontrol (unit of tenth of percent)",    OFFSET(qsv.avbr_accuracy),    AV_OPT_TYPE_INT, { .i64 = 1 }, 1, UINT16_MAX, VE }, \
53 { "avbr_convergence", "Convergence of the AVBR ratecontrol (unit of 100 frames)", OFFSET(qsv.avbr_convergence), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, UINT16_MAX, VE },     \
54 { "preset", NULL, OFFSET(qsv.preset), AV_OPT_TYPE_INT, { .i64 = MFX_TARGETUSAGE_BALANCED }, MFX_TARGETUSAGE_BEST_QUALITY, MFX_TARGETUSAGE_BEST_SPEED,   VE, "preset" }, \
55 { "veryfast",    NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_SPEED  },   INT_MIN, INT_MAX, VE, "preset" },                                                \
56 { "faster",      NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_6  },            INT_MIN, INT_MAX, VE, "preset" },                                                \
57 { "fast",        NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_5  },            INT_MIN, INT_MAX, VE, "preset" },                                                \
58 { "medium",      NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BALANCED  },     INT_MIN, INT_MAX, VE, "preset" },                                                \
59 { "slow",        NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_3  },            INT_MIN, INT_MAX, VE, "preset" },                                                \
60 { "slower",      NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_2  },            INT_MIN, INT_MAX, VE, "preset" },                                                \
61 { "veryslow",    NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_QUALITY  }, INT_MIN, INT_MAX, VE, "preset" },                                                \
62 { "forced_idr",     "Forcing I frames as IDR frames",         OFFSET(qsv.forced_idr),     AV_OPT_TYPE_BOOL,{ .i64 = 0  },  0,          1, VE },                         \
63 { "low_power", "enable low power mode(experimental: many limitations by mfx version, BRC modes, etc.)", OFFSET(qsv.low_power), AV_OPT_TYPE_BOOL, { .i64 = -1}, -1, 1, VE},
64 
65 #define QSV_OPTION_RDO \
66 { "rdo",            "Enable rate distortion optimization",    OFFSET(qsv.rdo),            AV_OPT_TYPE_INT, { .i64 = -1 }, -1,          1, VE },
67 
68 #define QSV_OPTION_MAX_FRAME_SIZE \
69 { "max_frame_size", "Maximum encoded frame size in bytes",    OFFSET(qsv.max_frame_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1,    INT_MAX, VE },                         \
70 { "max_frame_size_i", "Maximum encoded I frame size in bytes",OFFSET(qsv.max_frame_size_i), AV_OPT_TYPE_INT, { .i64 = -1 }, -1,  INT_MAX, VE },                         \
71 { "max_frame_size_p", "Maximum encoded P frame size in bytes",OFFSET(qsv.max_frame_size_p), AV_OPT_TYPE_INT, { .i64 = -1 }, -1,  INT_MAX, VE },
72 
73 #define QSV_OPTION_MAX_SLICE_SIZE \
74 { "max_slice_size", "Maximum encoded slice size in bytes",    OFFSET(qsv.max_slice_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1,    INT_MAX, VE },
75 
76 #define QSV_OPTION_BITRATE_LIMIT \
77 { "bitrate_limit",  "Toggle bitrate limitations",             OFFSET(qsv.bitrate_limit),  AV_OPT_TYPE_INT, { .i64 = -1 }, -1,          1, VE },
78 
79 #define QSV_OPTION_MBBRC \
80 { "mbbrc",          "MB level bitrate control",               OFFSET(qsv.mbbrc),          AV_OPT_TYPE_INT, { .i64 = -1 }, -1,          1, VE },
81 
82 #define QSV_OPTION_EXTBRC \
83 { "extbrc",         "Extended bitrate control",               OFFSET(qsv.extbrc),         AV_OPT_TYPE_INT, { .i64 = -1 }, -1,          1, VE },
84 
85 #define QSV_OPTION_ADAPTIVE_I \
86 { "adaptive_i",     "Adaptive I-frame placement",             OFFSET(qsv.adaptive_i),     AV_OPT_TYPE_INT, { .i64 = -1 }, -1,          1, VE },
87 
88 #define QSV_OPTION_ADAPTIVE_B \
89 { "adaptive_b",     "Adaptive B-frame placement",             OFFSET(qsv.adaptive_b),     AV_OPT_TYPE_INT, { .i64 = -1 }, -1,          1, VE },
90 
91 #define QSV_OPTION_P_STRATEGY \
92 { "p_strategy",     "Enable P-pyramid: 0-default 1-simple 2-pyramid(bf need to be set to 0).",    OFFSET(qsv.p_strategy), AV_OPT_TYPE_INT,    { .i64 = 0}, 0,    2, VE },
93 
94 #define QSV_OPTION_B_STRATEGY \
95 { "b_strategy",     "Strategy to choose between I/P/B-frames", OFFSET(qsv.b_strategy),    AV_OPT_TYPE_INT, { .i64 = -1 }, -1,          1, VE },
96 
97 #define QSV_OPTION_DBLK_IDC \
98 { "dblk_idc", "This option disable deblocking. It has value in range 0~2.",   OFFSET(qsv.dblk_idc),   AV_OPT_TYPE_INT,    { .i64 = 0 },   0,  2,  VE},
99 
100 #define QSV_OPTION_LOW_DELAY_BRC \
101 { "low_delay_brc",   "Allow to strictly obey avg frame size", OFFSET(qsv.low_delay_brc),  AV_OPT_TYPE_BOOL,{ .i64 = -1 }, -1,          1, VE },
102 
103 #define QSV_OPTION_MAX_MIN_QP \
104 { "max_qp_i", "Maximum video quantizer scale for I frame",       OFFSET(qsv.max_qp_i),       AV_OPT_TYPE_INT, { .i64 = -1 },  -1,          51, VE},                         \
105 { "min_qp_i", "Minimum video quantizer scale for I frame",       OFFSET(qsv.min_qp_i),       AV_OPT_TYPE_INT, { .i64 = -1 },  -1,          51, VE},                         \
106 { "max_qp_p", "Maximum video quantizer scale for P frame",       OFFSET(qsv.max_qp_p),       AV_OPT_TYPE_INT, { .i64 = -1 },  -1,          51, VE},                         \
107 { "min_qp_p", "Minimum video quantizer scale for P frame",       OFFSET(qsv.min_qp_p),       AV_OPT_TYPE_INT, { .i64 = -1 },  -1,          51, VE},                         \
108 { "max_qp_b", "Maximum video quantizer scale for B frame",       OFFSET(qsv.max_qp_b),       AV_OPT_TYPE_INT, { .i64 = -1 },  -1,          51, VE},                         \
109 { "min_qp_b", "Minimum video quantizer scale for B frame",       OFFSET(qsv.min_qp_b),       AV_OPT_TYPE_INT, { .i64 = -1 },  -1,          51, VE},
110 
111 extern const AVCodecHWConfigInternal *const ff_qsv_enc_hw_configs[];
112 
113 typedef int SetEncodeCtrlCB (AVCodecContext *avctx,
114                              const AVFrame *frame, mfxEncodeCtrl* enc_ctrl);
115 typedef struct QSVEncContext {
116     AVCodecContext *avctx;
117 
118     QSVFrame *work_frames;
119 
120     mfxSession session;
121     QSVSession internal_qs;
122 
123     int packet_size;
124     int width_align;
125     int height_align;
126 
127     mfxVideoParam param;
128     mfxFrameAllocRequest req;
129 
130     mfxExtCodingOption  extco;
131     mfxExtCodingOption2 extco2;
132     mfxExtCodingOption3 extco3;
133 #if QSV_HAVE_MF
134     mfxExtMultiFrameParam   extmfp;
135     mfxExtMultiFrameControl extmfc;
136 #endif
137     mfxExtHEVCTiles exthevctiles;
138     mfxExtVP9Param  extvp9param;
139 
140     mfxExtOpaqueSurfaceAlloc opaque_alloc;
141     mfxFrameSurface1       **opaque_surfaces;
142     AVBufferRef             *opaque_alloc_buf;
143 
144     mfxExtVideoSignalInfo extvsi;
145 
146     mfxExtBuffer  *extparam_internal[5 + (QSV_HAVE_MF * 2)];
147     int         nb_extparam_internal;
148 
149     mfxExtBuffer **extparam;
150 
151     AVFifo *async_fifo;
152 
153     QSVFramesContext frames_ctx;
154 
155     mfxVersion          ver;
156 
157     int hevc_vps;
158 
159     // options set by the caller
160     int async_depth;
161     int idr_interval;
162     int profile;
163     int preset;
164     int avbr_accuracy;
165     int avbr_convergence;
166     int pic_timing_sei;
167     int look_ahead;
168     int look_ahead_depth;
169     int look_ahead_downsampling;
170     int vcm;
171     int rdo;
172     int max_frame_size;
173     int max_frame_size_i;
174     int max_frame_size_p;
175     int max_slice_size;
176     int dblk_idc;
177 
178     int tile_cols;
179     int tile_rows;
180 
181     int aud;
182 
183     int single_sei_nal_unit;
184     int max_dec_frame_buffering;
185 
186     int bitrate_limit;
187     int mbbrc;
188     int extbrc;
189     int adaptive_i;
190     int adaptive_b;
191     int b_strategy;
192     int p_strategy;
193     int cavlc;
194 
195     int int_ref_type;
196     int int_ref_cycle_size;
197     int int_ref_qp_delta;
198     int int_ref_cycle_dist;
199     int recovery_point_sei;
200 
201     int repeat_pps;
202     int low_power;
203     int gpb;
204     int transform_skip;
205 
206     int a53_cc;
207 
208 #if QSV_HAVE_MF
209     int mfmode;
210 #endif
211     char *load_plugins;
212     SetEncodeCtrlCB *set_encode_ctrl_cb;
213     int forced_idr;
214     int low_delay_brc;
215 
216     int co2_idx;
217     int co3_idx;
218     int exthevctiles_idx;
219     int vp9_idx;
220 
221     int max_qp_i;
222     int min_qp_i;
223     int max_qp_p;
224     int min_qp_p;
225     int max_qp_b;
226     int min_qp_b;
227 } QSVEncContext;
228 
229 int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q);
230 
231 int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
232                   AVPacket *pkt, const AVFrame *frame, int *got_packet);
233 
234 int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q);
235 
236 #endif /* AVCODEC_QSVENC_H */
237