FFmpeg
qsvenc_h264.c
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1 /*
2  * Intel MediaSDK QSV based H.264 encoder
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 
24 #include <stdint.h>
25 #include <sys/types.h>
26 
27 #include <mfxvideo.h>
28 
29 #include "libavutil/common.h"
30 #include "libavutil/opt.h"
31 
32 #include "avcodec.h"
33 #include "codec_internal.h"
34 #include "qsv.h"
35 #include "qsvenc.h"
36 #include "atsc_a53.h"
37 
38 typedef struct QSVH264EncContext {
39  AVClass *class;
42 
44  const AVFrame *frame, mfxEncodeCtrl* enc_ctrl)
45 {
46  QSVH264EncContext *qh264 = avctx->priv_data;
47  QSVEncContext *q = &qh264->qsv;
48 
49  if (q->a53_cc && frame) {
50  mfxPayload* payload;
51  mfxU8* sei_data;
52  size_t sei_size;
53  int res;
54 
55  res = ff_alloc_a53_sei(frame, sizeof(mfxPayload) + 2, (void**)&payload, &sei_size);
56  if (res < 0 || !payload)
57  return res;
58 
59  sei_data = (mfxU8*)(payload + 1);
60  // SEI header
61  sei_data[0] = 4;
62  sei_data[1] = (mfxU8)sei_size; // size of SEI data
63  // SEI data filled in by ff_alloc_a53_sei
64 
65  payload->BufSize = sei_size + 2;
66  payload->NumBit = payload->BufSize * 8;
67  payload->Type = 4;
68  payload->Data = sei_data;
69 
70  enc_ctrl->NumExtParam = 0;
71  enc_ctrl->NumPayload = 1;
72  enc_ctrl->Payload[0] = payload;
73  }
74  return 0;
75 }
76 
78 {
79  QSVH264EncContext *q = avctx->priv_data;
80 
82  return ff_qsv_enc_init(avctx, &q->qsv);
83 }
84 
86  const AVFrame *frame, int *got_packet)
87 {
88  QSVH264EncContext *q = avctx->priv_data;
89 
90  return ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet);
91 }
92 
94 {
95  QSVH264EncContext *q = avctx->priv_data;
96 
97  return ff_qsv_enc_close(avctx, &q->qsv);
98 }
99 
100 #define OFFSET(x) offsetof(QSVH264EncContext, x)
101 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
102 static const AVOption options[] = {
120 #if QSV_HAVE_HE
121  QSV_HE_OPTIONS
122 #endif
123 
124  { "cavlc", "Enable CAVLC", OFFSET(qsv.cavlc), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
125 #if QSV_HAVE_VCM
126  { "vcm", "Use the video conferencing mode ratecontrol", OFFSET(qsv.vcm), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
127 #endif
128  { "idr_interval", "Distance (in I-frames) between IDR frames", OFFSET(qsv.idr_interval), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
129  { "pic_timing_sei", "Insert picture timing SEI with pic_struct_syntax element", OFFSET(qsv.pic_timing_sei), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE },
130  { "single_sei_nal_unit", "Put all the SEI messages into one NALU", OFFSET(qsv.single_sei_nal_unit), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
131  { "max_dec_frame_buffering", "Maximum number of frames buffered in the DPB", OFFSET(qsv.max_dec_frame_buffering), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, VE },
132 
133  { "look_ahead", "Use VBR algorithm with look ahead", OFFSET(qsv.look_ahead), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
134  { "look_ahead_depth", "Depth of look ahead in number frames", OFFSET(qsv.look_ahead_depth), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 100, VE },
135  { "look_ahead_downsampling", "Downscaling factor for the frames saved for the lookahead analysis", OFFSET(qsv.look_ahead_downsampling),
136  AV_OPT_TYPE_INT, { .i64 = MFX_LOOKAHEAD_DS_UNKNOWN }, MFX_LOOKAHEAD_DS_UNKNOWN, MFX_LOOKAHEAD_DS_4x, VE, .unit = "look_ahead_downsampling" },
137  { "unknown" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_UNKNOWN }, INT_MIN, INT_MAX, VE, .unit = "look_ahead_downsampling" },
138  { "auto" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_UNKNOWN }, INT_MIN, INT_MAX, VE, .unit = "look_ahead_downsampling" },
139  { "off" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_OFF }, INT_MIN, INT_MAX, VE, .unit = "look_ahead_downsampling" },
140  { "2x" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_2x }, INT_MIN, INT_MAX, VE, .unit = "look_ahead_downsampling" },
141  { "4x" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_4x }, INT_MIN, INT_MAX, VE, .unit = "look_ahead_downsampling" },
142 
143  { "int_ref_type", "Intra refresh type. B frames should be set to 0.", OFFSET(qsv.int_ref_type), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE, .unit = "int_ref_type" },
144  { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, .flags = VE, .unit = "int_ref_type" },
145  { "vertical", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, .flags = VE, .unit = "int_ref_type" },
146  { "horizontal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2 }, .flags = VE, .unit = "int_ref_type" },
147  { "slice" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 3 }, .flags = VE, .unit = "int_ref_type" },
148  { "int_ref_cycle_size", "Number of frames in the intra refresh cycle", OFFSET(qsv.int_ref_cycle_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE },
149  { "int_ref_qp_delta", "QP difference for the refresh MBs", OFFSET(qsv.int_ref_qp_delta), AV_OPT_TYPE_INT, { .i64 = INT16_MIN }, INT16_MIN, INT16_MAX, VE },
150  { "recovery_point_sei", "Insert recovery point SEI messages", OFFSET(qsv.recovery_point_sei), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
151  { "int_ref_cycle_dist", "Distance between the beginnings of the intra-refresh cycles in frames", OFFSET(qsv.int_ref_cycle_dist), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT16_MAX, VE },
152  { "profile", NULL, OFFSET(qsv.profile), AV_OPT_TYPE_INT, { .i64 = MFX_PROFILE_UNKNOWN }, 0, INT_MAX, VE, .unit = "profile" },
153  { "unknown" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_UNKNOWN }, INT_MIN, INT_MAX, VE, .unit = "profile" },
154  { "baseline", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_BASELINE }, INT_MIN, INT_MAX, VE, .unit = "profile" },
155  { "main" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_MAIN }, INT_MIN, INT_MAX, VE, .unit = "profile" },
156  { "high" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_HIGH }, INT_MIN, INT_MAX, VE, .unit = "profile" },
157 
158  { "a53cc" , "Use A53 Closed Captions (if available)", OFFSET(qsv.a53_cc), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, VE},
159 
160  { "aud", "Insert the Access Unit Delimiter NAL", OFFSET(qsv.aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE},
161 
162 #if QSV_HAVE_MF
163  { "mfmode", "Multi-Frame Mode", OFFSET(qsv.mfmode), AV_OPT_TYPE_INT, { .i64 = MFX_MF_AUTO }, MFX_MF_DEFAULT, MFX_MF_AUTO, VE, .unit = "mfmode"},
164  { "off" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_MF_DISABLED }, INT_MIN, INT_MAX, VE, .unit = "mfmode" },
165  { "auto" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_MF_AUTO }, INT_MIN, INT_MAX, VE, .unit = "mfmode" },
166 #endif
167 
168  { "repeat_pps", "repeat pps for every frame", OFFSET(qsv.repeat_pps), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
169 
170  { NULL },
171 };
172 
173 static const AVClass class = {
174  .class_name = "h264_qsv encoder",
175  .item_name = av_default_item_name,
176  .option = options,
178 };
179 
181  { "b", "0" },
182  { "refs", "0" },
183  { "g", "-1" },
184  { "bf", "-1" },
185  { "qmin", "-1" },
186  { "qmax", "-1" },
187  { "trellis", "-1" },
188  { "flags", "+cgop" },
189  { NULL },
190 };
191 
193  .p.name = "h264_qsv",
194  CODEC_LONG_NAME("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (Intel Quick Sync Video acceleration)"),
195  .priv_data_size = sizeof(QSVH264EncContext),
196  .p.type = AVMEDIA_TYPE_VIDEO,
197  .p.id = AV_CODEC_ID_H264,
198  .init = qsv_enc_init,
200  .close = qsv_enc_close,
201  .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HYBRID,
202  .p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
204  AV_PIX_FMT_NONE },
205  .p.priv_class = &class,
206  .defaults = qsv_enc_defaults,
207  .caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE |
209  .p.wrapper_name = "qsv",
210  .hw_configs = ff_qsv_enc_hw_configs,
211 };
qsv_enc_frame
static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: qsvenc_h264.c:85
ff_alloc_a53_sei
int ff_alloc_a53_sei(const AVFrame *frame, size_t prefix_len, void **data, size_t *sei_size)
Check AVFrame for A53 side data and allocate and fill SEI message with A53 info.
Definition: atsc_a53.c:25
qsv_h264_set_encode_ctrl
static int qsv_h264_set_encode_ctrl(AVCodecContext *avctx, const AVFrame *frame, mfxEncodeCtrl *enc_ctrl)
Definition: qsvenc_h264.c:43
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:71
FF_CODEC_CAP_INIT_CLEANUP
#define FF_CODEC_CAP_INIT_CLEANUP
The codec allows calling the close function for deallocation even if the init function returned a fai...
Definition: codec_internal.h:42
opt.h
qsv_enc_init
static av_cold int qsv_enc_init(AVCodecContext *avctx)
Definition: qsvenc_h264.c:77
QSV_OPTION_ADAPTIVE_B
#define QSV_OPTION_ADAPTIVE_B
Definition: qsvenc.h:100
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:340
QSV_OPTION_DBLK_IDC
#define QSV_OPTION_DBLK_IDC
Definition: qsvenc.h:109
AVOption
AVOption.
Definition: opt.h:294
FF_CODEC_CAP_NOT_INIT_THREADSAFE
#define FF_CODEC_CAP_NOT_INIT_THREADSAFE
The codec is not known to be init-threadsafe (i.e.
Definition: codec_internal.h:34
FFCodec
Definition: codec_internal.h:127
VE
#define VE
Definition: qsvenc_h264.c:101
OFFSET
#define OFFSET(x)
Definition: qsvenc_h264.c:100
QSV_OPTION_MAX_MIN_QP
#define QSV_OPTION_MAX_MIN_QP
Definition: qsvenc.h:115
FFCodecDefault
Definition: codec_internal.h:97
FFCodec::p
AVCodec p
The public AVCodec.
Definition: codec_internal.h:131
QSV_OPTION_BITRATE_LIMIT
#define QSV_OPTION_BITRATE_LIMIT
Definition: qsvenc.h:88
FF_CODEC_ENCODE_CB
#define FF_CODEC_ENCODE_CB(func)
Definition: codec_internal.h:315
ff_qsv_enc_hw_configs
const AVCodecHWConfigInternal *const ff_qsv_enc_hw_configs[]
Definition: qsvenc.c:2689
pkt
AVPacket * pkt
Definition: movenc.c:59
av_cold
#define av_cold
Definition: attributes.h:90
QSVEncContext
Definition: qsvenc.h:156
qsvenc.h
QSV_OPTION_MAX_SLICE_SIZE
#define QSV_OPTION_MAX_SLICE_SIZE
Definition: qsvenc.h:85
AV_CODEC_ID_H264
@ AV_CODEC_ID_H264
Definition: codec_id.h:79
CODEC_LONG_NAME
#define CODEC_LONG_NAME(str)
Definition: codec_internal.h:272
frame
static AVFrame * frame
Definition: demux_decode.c:54
QSV_OPTION_RDO
#define QSV_OPTION_RDO
Definition: qsvenc.h:77
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:66
QSV_OPTION_LOW_DELAY_BRC
#define QSV_OPTION_LOW_DELAY_BRC
Definition: qsvenc.h:112
NULL
#define NULL
Definition: coverity.c:32
QSVH264EncContext::qsv
QSVEncContext qsv
Definition: qsvenc_h264.c:40
qsv.h
QSV_COMMON_OPTS
#define QSV_COMMON_OPTS
Definition: qsvenc.h:56
av_default_item_name
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:237
QSVH264EncContext
Definition: qsvenc_h264.c:38
AV_PIX_FMT_QSV
@ AV_PIX_FMT_QSV
HW acceleration through QSV, data[3] contains a pointer to the mfxFrameSurface1 structure.
Definition: pixfmt.h:247
QSV_OPTION_ADAPTIVE_I
#define QSV_OPTION_ADAPTIVE_I
Definition: qsvenc.h:97
QSV_OPTION_SKIP_FRAME
#define QSV_OPTION_SKIP_FRAME
Definition: qsvenc.h:140
codec_internal.h
qsv_enc_close
static av_cold int qsv_enc_close(AVCodecContext *avctx)
Definition: qsvenc_h264.c:93
QSVEncContext::a53_cc
int a53_cc
Definition: qsvenc.h:257
options
static const AVOption options[]
Definition: qsvenc_h264.c:102
QSV_OPTION_SCENARIO
#define QSV_OPTION_SCENARIO
Definition: qsvenc.h:123
QSV_OPTION_EXTBRC
#define QSV_OPTION_EXTBRC
Definition: qsvenc.h:94
ff_qsv_enc_close
int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q)
Definition: qsvenc.c:2641
QSVEncContext::set_encode_ctrl_cb
SetEncodeCtrlCB * set_encode_ctrl_cb
Definition: qsvenc.h:263
common.h
AVCodec::name
const char * name
Name of the codec implementation.
Definition: codec.h:194
avcodec.h
QSV_OPTION_P_STRATEGY
#define QSV_OPTION_P_STRATEGY
Definition: qsvenc.h:103
AV_PIX_FMT_NV12
@ AV_PIX_FMT_NV12
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:96
AVClass::class_name
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:71
atsc_a53.h
QSV_OPTION_MAX_FRAME_SIZE
#define QSV_OPTION_MAX_FRAME_SIZE
Definition: qsvenc.h:80
AVCodecContext
main external API structure.
Definition: avcodec.h:445
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:72
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:225
qsv_enc_defaults
static const FFCodecDefault qsv_enc_defaults[]
Definition: qsvenc_h264.c:180
AV_CODEC_CAP_DELAY
#define AV_CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
Definition: codec.h:76
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
QSV_OPTION_AVBR
#define QSV_OPTION_AVBR
Definition: qsvenc.h:136
ff_qsv_enc_init
int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
Definition: qsvenc.c:1631
AV_CODEC_CAP_HYBRID
#define AV_CODEC_CAP_HYBRID
Codec is potentially backed by a hardware implementation, but not necessarily.
Definition: codec.h:152
AVPacket
This structure stores compressed data.
Definition: packet.h:499
AVCodecContext::priv_data
void * priv_data
Definition: avcodec.h:472
AV_OPT_TYPE_BOOL
@ AV_OPT_TYPE_BOOL
Definition: opt.h:244
AV_OPT_TYPE_CONST
@ AV_OPT_TYPE_CONST
Definition: opt.h:234
ff_qsv_encode
int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: qsvenc.c:2573
QSV_OPTION_MBBRC
#define QSV_OPTION_MBBRC
Definition: qsvenc.h:91
ff_h264_qsv_encoder
const FFCodec ff_h264_qsv_encoder
Definition: qsvenc_h264.c:192
QSV_OPTION_B_STRATEGY
#define QSV_OPTION_B_STRATEGY
Definition: qsvenc.h:106