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 "codec_internal.h"
32#include "qsv.h"
33#include "qsv_internal.h"
34#include "qsvenc.h"
35
36typedef struct QSVMJPEGEncContext {
37    AVClass *class;
38    QSVEncContext qsv;
39} QSVMJPEGEncContext;
40
41static 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
48static 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
56static 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
65static 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
70static 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
77static const FFCodecDefault qsv_enc_defaults[] = {
78    { "global_quality",  "80" },
79    { NULL },
80};
81
82const FFCodec ff_mjpeg_qsv_encoder = {
83    .p.name         = "mjpeg_qsv",
84    .p.long_name    = NULL_IF_CONFIG_SMALL("MJPEG (Intel Quick Sync Video acceleration)"),
85    .priv_data_size = sizeof(QSVMJPEGEncContext),
86    .p.type         = AVMEDIA_TYPE_VIDEO,
87    .p.id           = AV_CODEC_ID_MJPEG,
88    .init           = qsv_enc_init,
89    FF_CODEC_ENCODE_CB(qsv_enc_frame),
90    .close          = qsv_enc_close,
91    .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HYBRID,
92    .p.pix_fmts     = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
93                                                    AV_PIX_FMT_QSV,
94                                                    AV_PIX_FMT_NONE },
95    .p.priv_class   = &class,
96    .defaults       = qsv_enc_defaults,
97    .p.wrapper_name = "qsv",
98    .hw_configs     = ff_qsv_enc_hw_configs,
99};
100