qsvenc: add the Access Unit Delimiter NAL Unit support
[libav.git] / libavcodec / qsvenc_h264.c
1 /*
2 * Intel MediaSDK QSV based H.264 enccoder
3 *
4 * copyright (c) 2013 Yukinori Yamazoe
5 *
6 * This file is part of Libav.
7 *
8 * Libav 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 * Libav 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 Libav; 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 <mfx/mfxvideo.h>
28
29 #include "libavutil/common.h"
30 #include "libavutil/opt.h"
31
32 #include "avcodec.h"
33 #include "internal.h"
34 #include "qsv.h"
35 #include "qsv_internal.h"
36 #include "qsvenc.h"
37
38 typedef struct QSVH264EncContext {
39 AVClass *class;
40 QSVEncContext qsv;
41 } QSVH264EncContext;
42
43 static av_cold int qsv_enc_init(AVCodecContext *avctx)
44 {
45 QSVH264EncContext *q = avctx->priv_data;
46
47 return ff_qsv_enc_init(avctx, &q->qsv);
48 }
49
50 static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt,
51 const AVFrame *frame, int *got_packet)
52 {
53 QSVH264EncContext *q = avctx->priv_data;
54
55 return ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet);
56 }
57
58 static av_cold int qsv_enc_close(AVCodecContext *avctx)
59 {
60 QSVH264EncContext *q = avctx->priv_data;
61
62 return ff_qsv_enc_close(avctx, &q->qsv);
63 }
64
65 #define OFFSET(x) offsetof(QSVH264EncContext, x)
66 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
67 static const AVOption options[] = {
68 QSV_COMMON_OPTS
69
70 { "cavlc", "Enable CAVLC", OFFSET(qsv.cavlc), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
71 { "idr_interval", "Distance (in I-frames) between IDR frames", OFFSET(qsv.idr_interval), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
72 { "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 },
73 { "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 },
74
75 { "int_ref_type", "Intra refresh type", OFFSET(qsv.int_ref_type), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE, "int_ref_type" },
76 { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, .flags = VE, "int_ref_type" },
77 { "vertical", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, .flags = VE, "int_ref_type" },
78 { "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 },
79 { "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 },
80 { "recovery_point_sei", "Insert recovery point SEI messages", OFFSET(qsv.recovery_point_sei), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
81
82 { "trellis", "Trellis quantization", OFFSET(qsv.trellis), AV_OPT_TYPE_FLAGS, { .i64 = 0 }, 0, UINT_MAX, VE, "trellis" },
83 { "off", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TRELLIS_OFF }, .flags = VE, "trellis" },
84 { "I", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TRELLIS_I }, .flags = VE, "trellis" },
85 { "P", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TRELLIS_P }, .flags = VE, "trellis" },
86 { "B", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TRELLIS_B }, .flags = VE, "trellis" },
87
88 { "profile", NULL, OFFSET(qsv.profile), AV_OPT_TYPE_INT, { .i64 = MFX_PROFILE_UNKNOWN }, 0, INT_MAX, VE, "profile" },
89 { "unknown" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_UNKNOWN }, INT_MIN, INT_MAX, VE, "profile" },
90 { "baseline", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_BASELINE }, INT_MIN, INT_MAX, VE, "profile" },
91 { "main" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_MAIN }, INT_MIN, INT_MAX, VE, "profile" },
92 { "high" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_HIGH }, INT_MIN, INT_MAX, VE, "profile" },
93
94 { "aud", "Insert the Access Unit Delimiter NAL", OFFSET(qsv.aud), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE},
95
96 { NULL },
97 };
98
99 static const AVClass class = {
100 .class_name = "h264_qsv encoder",
101 .item_name = av_default_item_name,
102 .option = options,
103 .version = LIBAVUTIL_VERSION_INT,
104 };
105
106 static const AVCodecDefault qsv_enc_defaults[] = {
107 { "b", "1M" },
108 { "refs", "0" },
109 // same as the x264 default
110 { "g", "250" },
111 { "bf", "3" },
112 #if FF_API_CODER_TYPE
113 { "coder", "-1" },
114 #endif
115
116 { "flags", "+cgop" },
117 #if FF_API_PRIVATE_OPT
118 { "b_strategy", "-1" },
119 #endif
120 { NULL },
121 };
122
123 AVCodec ff_h264_qsv_encoder = {
124 .name = "h264_qsv",
125 .long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (Intel Quick Sync Video acceleration)"),
126 .priv_data_size = sizeof(QSVH264EncContext),
127 .type = AVMEDIA_TYPE_VIDEO,
128 .id = AV_CODEC_ID_H264,
129 .init = qsv_enc_init,
130 .encode2 = qsv_enc_frame,
131 .close = qsv_enc_close,
132 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HYBRID,
133 .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
134 AV_PIX_FMT_P010,
135 AV_PIX_FMT_QSV,
136 AV_PIX_FMT_NONE },
137 .priv_class = &class,
138 .defaults = qsv_enc_defaults,
139 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
140 .wrapper_name = "qsv",
141 };