1 /*
2 * Intel MediaSDK QSV based MJPEG 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 "internal.h"
32 #include "qsv.h"
33 #include "qsv_internal.h"
34 #include "qsvenc.h"
35
36 typedef struct QSVMJPEGEncContext {
37 AVClass *class;
38 QSVEncContext qsv;
39 } QSVMJPEGEncContext;
40
qsv_enc_init(AVCodecContext * avctx)41 static av_cold int qsv_enc_init(AVCodecContext *avctx)
42 {
43 QSVMJPEGEncContext *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 QSVMJPEGEncContext *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 QSVMJPEGEncContext *q = avctx->priv_data;
59
60 return ff_qsv_enc_close(avctx, &q->qsv);
61 }
62
63 #define OFFSET(x) offsetof(QSVMJPEGEncContext, x)
64 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
65 static const AVOption options[] = {
66 { "async_depth", "Maximum processing parallelism", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 1, INT_MAX, VE },
67 { NULL },
68 };
69
70 static const AVClass class = {
71 .class_name = "mjpeg_qsv encoder",
72 .item_name = av_default_item_name,
73 .option = options,
74 .version = LIBAVUTIL_VERSION_INT,
75 };
76
77 static const AVCodecDefault qsv_enc_defaults[] = {
78 { "global_quality", "80" },
79 { NULL },
80 };
81
82 AVCodec ff_mjpeg_qsv_encoder = {
83 .name = "mjpeg_qsv",
84 .long_name = NULL_IF_CONFIG_SMALL("MJPEG (Intel Quick Sync Video acceleration)"),
85 .priv_data_size = sizeof(QSVMJPEGEncContext),
86 .type = AVMEDIA_TYPE_VIDEO,
87 .id = AV_CODEC_ID_MJPEG,
88 .init = qsv_enc_init,
89 .encode2 = qsv_enc_frame,
90 .close = qsv_enc_close,
91 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HYBRID,
92 .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
93 AV_PIX_FMT_QSV,
94 AV_PIX_FMT_NONE },
95 .priv_class = &class,
96 .defaults = qsv_enc_defaults,
97 .wrapper_name = "qsv",
98 .hw_configs = ff_qsv_enc_hw_configs,
99 };
100