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
36 typedef struct QSVMpeg2EncContext {
37 AVClass *class;
38 QSVEncContext qsv;
39 } QSVMpeg2EncContext;
40
qsv_enc_init(AVCodecContext *avctx)41 static 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
qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)48 static 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
qsv_enc_close(AVCodecContext *avctx)56 static 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
65 static 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
78 static 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
85 static 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
96 const 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