1/*
2 * Intel MediaSDK QSV based VP9 encoder
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21
22#include <stdint.h>
23#include <sys/types.h>
24
25#include <mfx/mfxvideo.h>
26
27#include "libavutil/common.h"
28#include "libavutil/opt.h"
29
30#include "avcodec.h"
31#include "codec_internal.h"
32#include "qsv.h"
33#include "qsv_internal.h"
34#include "qsvenc.h"
35
36typedef struct QSVVP9EncContext {
37    AVClass *class;
38    QSVEncContext qsv;
39} QSVVP9EncContext;
40
41static av_cold int qsv_enc_init(AVCodecContext *avctx)
42{
43    QSVVP9EncContext *q = avctx->priv_data;
44    q->qsv.low_power = 1;
45
46    return ff_qsv_enc_init(avctx, &q->qsv);
47}
48
49static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt,
50                         const AVFrame *frame, int *got_packet)
51{
52    QSVVP9EncContext *q = avctx->priv_data;
53
54    return ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet);
55}
56
57static av_cold int qsv_enc_close(AVCodecContext *avctx)
58{
59    QSVVP9EncContext *q = avctx->priv_data;
60
61    return ff_qsv_enc_close(avctx, &q->qsv);
62}
63
64#define OFFSET(x) offsetof(QSVVP9EncContext, x)
65#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
66static const AVOption options[] = {
67    QSV_COMMON_OPTS
68
69    { "profile",   NULL, OFFSET(qsv.profile), AV_OPT_TYPE_INT,   { .i64 = MFX_PROFILE_UNKNOWN },   0,       INT_MAX,  VE,  "profile" },
70    { "unknown",   NULL, 0,                   AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_UNKNOWN},   INT_MIN,  INT_MAX,  VE,  "profile" },
71    { "profile0",  NULL, 0,                   AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_VP9_0   },  INT_MIN,  INT_MAX,  VE,  "profile" },
72    { "profile1",  NULL, 0,                   AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_VP9_1   },  INT_MIN,  INT_MAX,  VE,  "profile" },
73    { "profile2",  NULL, 0,                   AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_VP9_2   },  INT_MIN,  INT_MAX,  VE,  "profile" },
74    { "profile3",  NULL, 0,                   AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_VP9_3   },  INT_MIN,  INT_MAX,  VE,  "profile" },
75
76#if QSV_HAVE_EXT_VP9_TILES
77    /* The minimum tile width in luma pixels is 256, set maximum tile_cols to 32 for 8K video */
78    { "tile_cols",  "Number of columns for tiled encoding",   OFFSET(qsv.tile_cols),    AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 32, VE },
79    /* Set maximum tile_rows to 4 per VP9 spec */
80    { "tile_rows",  "Number of rows for tiled encoding",      OFFSET(qsv.tile_rows),    AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 4, VE },
81#else
82    { "tile_cols",  "(not supported)",                        OFFSET(qsv.tile_cols),    AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 0, VE },
83    { "tile_rows",  "(not supported)",                        OFFSET(qsv.tile_rows),    AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 0, VE },
84#endif
85
86    { NULL },
87};
88
89static const AVClass class = {
90    .class_name = "vp9_qsv encoder",
91    .item_name  = av_default_item_name,
92    .option     = options,
93    .version    = LIBAVUTIL_VERSION_INT,
94};
95
96static const FFCodecDefault qsv_enc_defaults[] = {
97    { "b",         "1M"    },
98    { "refs",      "0"     },
99    { "g",         "250"   },
100    { "trellis",   "-1"    },
101    { "flags",     "+cgop" },
102    { NULL },
103};
104
105const FFCodec ff_vp9_qsv_encoder = {
106    .p.name         = "vp9_qsv",
107    .p.long_name    = NULL_IF_CONFIG_SMALL("VP9 video (Intel Quick Sync Video acceleration)"),
108    .priv_data_size = sizeof(QSVVP9EncContext),
109    .p.type         = AVMEDIA_TYPE_VIDEO,
110    .p.id           = AV_CODEC_ID_VP9,
111    .init           = qsv_enc_init,
112    FF_CODEC_ENCODE_CB(qsv_enc_frame),
113    .close          = qsv_enc_close,
114    .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HYBRID,
115    .p.pix_fmts     = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
116                                                    AV_PIX_FMT_P010,
117                                                    AV_PIX_FMT_QSV,
118                                                    AV_PIX_FMT_NONE },
119    .p.priv_class   = &class,
120    .defaults       = qsv_enc_defaults,
121    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
122    .p.wrapper_name = "qsv",
123    .hw_configs     = ff_qsv_enc_hw_configs,
124};
125