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qsvenc_jpeg.c
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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 "h264.h"
33 #include "qsv.h"
34 #include "qsv_internal.h"
35 #include "qsvenc.h"
36 
37 typedef struct QSVMJPEGEncContext {
38  AVClass *class;
41 
43 {
44  QSVMJPEGEncContext *q = avctx->priv_data;
45 
46  return ff_qsv_enc_init(avctx, &q->qsv);
47 }
48 
50  const AVFrame *frame, int *got_packet)
51 {
52  QSVMJPEGEncContext *q = avctx->priv_data;
53 
54  return ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet);
55 }
56 
58 {
59  QSVMJPEGEncContext *q = avctx->priv_data;
60 
61  return ff_qsv_enc_close(avctx, &q->qsv);
62 }
63 
64 #define OFFSET(x) offsetof(QSVMJPEGEncContext, x)
65 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
66 static const AVOption options[] = {
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,
75 };
76 
78  .name = "mjpeg_qsv",
79  .long_name = NULL_IF_CONFIG_SMALL("MJPEG (Intel Quick Sync Video acceleration)"),
80  .priv_data_size = sizeof(QSVMJPEGEncContext),
82  .id = AV_CODEC_ID_MJPEG,
83  .init = qsv_enc_init,
84  .encode2 = qsv_enc_frame,
85  .close = qsv_enc_close,
86  .capabilities = AV_CODEC_CAP_DELAY,
87  .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
90  .priv_class = &class,
91 };
#define NULL
Definition: coverity.c:32
This structure describes decoded (raw) audio or video data.
Definition: frame.h:201
AVOption.
Definition: opt.h:246
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:193
QSVEncContext qsv
Definition: qsvenc_jpeg.c:39
static AVPacket pkt
AVCodec.
Definition: avcodec.h:3351
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:72
#define AV_CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
Definition: avcodec.h:981
int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: qsvenc.c:1156
#define av_cold
Definition: attributes.h:82
AVOptions.
static AVFrame * frame
static av_cold int qsv_enc_init(AVCodecContext *avctx)
Definition: qsvenc_jpeg.c:42
int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q)
Definition: qsvenc.c:1225
H.264 common definitions.
AVCodec ff_mjpeg_qsv_encoder
Definition: qsvenc_jpeg.c:77
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:85
const char * name
Name of the codec implementation.
Definition: avcodec.h:3358
static av_cold int qsv_enc_close(AVCodecContext *avctx)
Definition: qsvenc_jpeg.c:57
Libavcodec external API header.
main external API structure.
Definition: avcodec.h:1488
GLint GLenum type
Definition: opengl_enc.c:105
Describe the class of an AVClass context structure.
Definition: log.h:67
int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
Definition: qsvenc.c:799
HW acceleration through QSV, data[3] contains a pointer to the mfxFrameSurface1 structure.
Definition: pixfmt.h:218
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:266
static const AVOption options[]
Definition: qsvenc_jpeg.c:66
common internal api header.
common internal and external API header
static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: qsvenc_jpeg.c:49
void * priv_data
Definition: avcodec.h:1515
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
This structure stores compressed data.
Definition: avcodec.h:1377