FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
qsvenc.h
Go to the documentation of this file.
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 "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_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)
50 
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 
74 typedef int SetEncodeCtrlCB (AVCodecContext *avctx,
75  const AVFrame *frame, mfxEncodeCtrl* enc_ctrl);
76 typedef struct QSVEncContext {
78 
80 
81  mfxSession session;
82  mfxSession internal_session;
83 
87 
88  mfxVideoParam param;
89  mfxFrameAllocRequest req;
90 
91  mfxExtCodingOption extco;
92 #if QSV_HAVE_CO2
93  mfxExtCodingOption2 extco2;
94 #endif
95 
96  mfxExtOpaqueSurfaceAlloc opaque_alloc;
97  mfxFrameSurface1 **opaque_surfaces;
99 
100  mfxExtBuffer *extparam_internal[2 + QSV_HAVE_CO2];
102 
103  mfxExtBuffer **extparam;
104 
106 
108 
109  // options set by the caller
112  int profile;
113  int preset;
120  int vcm;
121  int rdo;
124 
127  int trellis;
128 
130  int mbbrc;
131  int extbrc;
135  int cavlc;
136 
141 
142  int a53_cc;
145 } QSVEncContext;
146 
148 
150  AVPacket *pkt, const AVFrame *frame, int *got_packet);
151 
153 
154 #endif /* AVCODEC_QSVENC_H */
int single_sei_nal_unit
Definition: qsvenc.h:125
AVBufferRef * opaque_alloc_buf
Definition: qsvenc.h:98
This structure describes decoded (raw) audio or video data.
Definition: frame.h:201
mfxExtBuffer ** extparam
Definition: qsvenc.h:103
int int_ref_type
Definition: qsvenc.h:137
mfxExtOpaqueSurfaceAlloc opaque_alloc
Definition: qsvenc.h:96
int max_frame_size
Definition: qsvenc.h:122
mfxFrameAllocRequest req
Definition: qsvenc.h:89
int avbr_accuracy
Definition: qsvenc.h:114
QSVFrame * work_frames
Definition: qsvenc.h:79
int look_ahead_depth
Definition: qsvenc.h:118
int int_ref_qp_delta
Definition: qsvenc.h:139
Convenience header that includes libavutil's core.
QSVFramesContext frames_ctx
Definition: qsvenc.h:107
int packet_size
Definition: qsvenc.h:84
static AVPacket pkt
mfxSession internal_session
Definition: qsvenc.h:82
int bitrate_limit
Definition: qsvenc.h:129
int look_ahead
Definition: qsvenc.h:117
int SetEncodeCtrlCB(AVCodecContext *avctx, const AVFrame *frame, mfxEncodeCtrl *enc_ctrl)
Definition: qsvenc.h:74
mfxVideoParam param
Definition: qsvenc.h:88
#define QSV_HAVE_CO2
Definition: qsvenc.h:37
AVFifoBuffer * async_fifo
Definition: qsvenc.h:105
mfxExtCodingOption extco
Definition: qsvenc.h:91
mfxExtBuffer * extparam_internal[2+QSV_HAVE_CO2]
Definition: qsvenc.h:100
static AVFrame * frame
mfxFrameSurface1 ** opaque_surfaces
Definition: qsvenc.h:97
int b_strategy
Definition: qsvenc.h:134
int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: qsvenc.c:1156
char * load_plugins
Definition: qsvenc.h:143
int nb_extparam_internal
Definition: qsvenc.h:101
int max_dec_frame_buffering
Definition: qsvenc.h:126
int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q)
Definition: qsvenc.c:1225
int adaptive_i
Definition: qsvenc.h:132
AVCodecContext * avctx
Definition: qsvenc.h:77
int idr_interval
Definition: qsvenc.h:111
int a53_cc
Definition: qsvenc.h:142
int extbrc
Definition: qsvenc.h:131
int preset
Definition: qsvenc.h:113
int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
Definition: qsvenc.c:799
int async_depth
Definition: qsvenc.h:110
int width_align
Definition: qsvenc.h:85
Libavcodec external API header.
main external API structure.
Definition: avcodec.h:1488
int profile
Definition: qsvenc.h:112
a very simple circular buffer FIFO implementation
int height_align
Definition: qsvenc.h:86
int max_slice_size
Definition: qsvenc.h:123
int int_ref_cycle_size
Definition: qsvenc.h:138
int adaptive_b
Definition: qsvenc.h:133
A reference to a data buffer.
Definition: buffer.h:81
int avbr_convergence
Definition: qsvenc.h:115
int recovery_point_sei
Definition: qsvenc.h:140
int look_ahead_downsampling
Definition: qsvenc.h:119
int trellis
Definition: qsvenc.h:127
This structure stores compressed data.
Definition: avcodec.h:1377
mfxSession session
Definition: qsvenc.h:81
int pic_timing_sei
Definition: qsvenc.h:116
SetEncodeCtrlCB * set_encode_ctrl_cb
Definition: qsvenc.h:144