1/*
2 * Intel MediaSDK QSV based MPEG-2 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 QSVMpeg2EncContext {
37    AVClass *class;
38    QSVEncContext qsv;
39} QSVMpeg2EncContext;
40
41static av_cold int qsv_enc_init(AVCodecContext *avctx)
42{
43    QSVMpeg2EncContext *q = avctx->priv_data;
44
45    return ff_qsv_enc_init(avctx, &q->qsv);
46}
47
48static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt,
49                         const AVFrame *frame, int *got_packet)
50{
51    QSVMpeg2EncContext *q = avctx->priv_data;
52
53    return ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet);
54}
55
56static av_cold int qsv_enc_close(AVCodecContext *avctx)
57{
58    QSVMpeg2EncContext *q = avctx->priv_data;
59
60    return ff_qsv_enc_close(avctx, &q->qsv);
61}
62
63#define OFFSET(x) offsetof(QSVMpeg2EncContext, x)
64#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
65static const AVOption options[] = {
66    QSV_COMMON_OPTS
67    QSV_OPTION_RDO
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    { "simple",  NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_MPEG2_SIMPLE   }, INT_MIN, INT_MAX,     VE, "profile" },
72    { "main",    NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_MPEG2_MAIN     }, INT_MIN, INT_MAX,     VE, "profile" },
73    { "high",    NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_MPEG2_HIGH     }, INT_MIN, INT_MAX,     VE, "profile" },
74
75    { NULL },
76};
77
78static const AVClass class = {
79    .class_name = "mpeg2_qsv encoder",
80    .item_name  = av_default_item_name,
81    .option     = options,
82    .version    = LIBAVUTIL_VERSION_INT,
83};
84
85static const FFCodecDefault qsv_enc_defaults[] = {
86    { "b",         "1M"    },
87    { "refs",      "0"     },
88    // same as the x264 default
89    { "g",         "250"   },
90    { "bf",        "3"     },
91    { "trellis",   "-1"    },
92    { "flags",     "+cgop" },
93    { NULL },
94};
95
96const FFCodec ff_mpeg2_qsv_encoder = {
97    .p.name         = "mpeg2_qsv",
98    .p.long_name    = NULL_IF_CONFIG_SMALL("MPEG-2 video (Intel Quick Sync Video acceleration)"),
99    .priv_data_size = sizeof(QSVMpeg2EncContext),
100    .p.type         = AVMEDIA_TYPE_VIDEO,
101    .p.id           = AV_CODEC_ID_MPEG2VIDEO,
102    .init           = qsv_enc_init,
103    FF_CODEC_ENCODE_CB(qsv_enc_frame),
104    .close          = qsv_enc_close,
105    .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HYBRID,
106    .p.pix_fmts     = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
107                                                    AV_PIX_FMT_QSV,
108                                                    AV_PIX_FMT_NONE },
109    .p.priv_class   = &class,
110    .defaults       = qsv_enc_defaults,
111    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
112    .p.wrapper_name = "qsv",
113    .hw_configs     = ff_qsv_enc_hw_configs,
114};
115