FFmpeg
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 <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 "qsvenc.h"
34 
35 typedef struct QSVMJPEGEncContext {
36  AVClass *class;
39 
41 {
42  QSVMJPEGEncContext *q = avctx->priv_data;
43 
44  return ff_qsv_enc_init(avctx, &q->qsv);
45 }
46 
48  const AVFrame *frame, int *got_packet)
49 {
50  QSVMJPEGEncContext *q = avctx->priv_data;
51 
52  return ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet);
53 }
54 
56 {
57  QSVMJPEGEncContext *q = avctx->priv_data;
58 
59  return ff_qsv_enc_close(avctx, &q->qsv);
60 }
61 
62 #define OFFSET(x) offsetof(QSVMJPEGEncContext, x)
63 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
64 static const AVOption options[] = {
65  { "async_depth", "Maximum processing parallelism", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 1, INT_MAX, VE },
66  { NULL },
67 };
68 
69 static const AVClass class = {
70  .class_name = "mjpeg_qsv encoder",
71  .item_name = av_default_item_name,
72  .option = options,
74 };
75 
76 static const FFCodecDefault qsv_enc_defaults[] = {
77  { "global_quality", "80" },
78  { NULL },
79 };
80 
82  .p.name = "mjpeg_qsv",
83  CODEC_LONG_NAME("MJPEG (Intel Quick Sync Video acceleration)"),
84  .priv_data_size = sizeof(QSVMJPEGEncContext),
85  .p.type = AVMEDIA_TYPE_VIDEO,
86  .p.id = AV_CODEC_ID_MJPEG,
87  .init = qsv_enc_init,
89  .close = qsv_enc_close,
90  .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HYBRID,
91  .p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
96  .p.priv_class = &class,
97  .defaults = qsv_enc_defaults,
98  .p.wrapper_name = "qsv",
99  .hw_configs = ff_qsv_enc_hw_configs,
100  .caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE,
101 };
OFFSET
#define OFFSET(x)
Definition: qsvenc_jpeg.c:62
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:71
opt.h
qsv_enc_init
static av_cold int qsv_enc_init(AVCodecContext *avctx)
Definition: qsvenc_jpeg.c:40
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:340
AVOption
AVOption.
Definition: opt.h:251
FF_CODEC_CAP_NOT_INIT_THREADSAFE
#define FF_CODEC_CAP_NOT_INIT_THREADSAFE
The codec is not known to be init-threadsafe (i.e.
Definition: codec_internal.h:34
FFCodec
Definition: codec_internal.h:127
AV_PIX_FMT_BGRA
@ AV_PIX_FMT_BGRA
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
Definition: pixfmt.h:102
ff_mjpeg_qsv_encoder
const FFCodec ff_mjpeg_qsv_encoder
Definition: qsvenc_jpeg.c:81
qsv_enc_defaults
static const FFCodecDefault qsv_enc_defaults[]
Definition: qsvenc_jpeg.c:76
FFCodecDefault
Definition: codec_internal.h:97
FFCodec::p
AVCodec p
The public AVCodec.
Definition: codec_internal.h:131
FF_CODEC_ENCODE_CB
#define FF_CODEC_ENCODE_CB(func)
Definition: codec_internal.h:315
ff_qsv_enc_hw_configs
const AVCodecHWConfigInternal *const ff_qsv_enc_hw_configs[]
Definition: qsvenc.c:2664
pkt
AVPacket * pkt
Definition: movenc.c:59
ASYNC_DEPTH_DEFAULT
#define ASYNC_DEPTH_DEFAULT
Definition: qsv_internal.h:50
av_cold
#define av_cold
Definition: attributes.h:90
QSVEncContext
Definition: qsvenc.h:156
qsvenc.h
VE
#define VE
Definition: qsvenc_jpeg.c:63
QSVMJPEGEncContext
Definition: qsvenc_jpeg.c:35
CODEC_LONG_NAME
#define CODEC_LONG_NAME(str)
Definition: codec_internal.h:272
frame
static AVFrame * frame
Definition: demux_decode.c:54
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:66
NULL
#define NULL
Definition: coverity.c:32
qsv.h
AV_PIX_FMT_YUYV422
@ AV_PIX_FMT_YUYV422
packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
Definition: pixfmt.h:74
QSVMJPEGEncContext::qsv
QSVEncContext qsv
Definition: qsvenc_jpeg.c:37
av_default_item_name
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:237
AV_PIX_FMT_QSV
@ AV_PIX_FMT_QSV
HW acceleration through QSV, data[3] contains a pointer to the mfxFrameSurface1 structure.
Definition: pixfmt.h:247
options
static const AVOption options[]
Definition: qsvenc_jpeg.c:64
codec_internal.h
qsv_enc_frame
static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: qsvenc_jpeg.c:47
qsv_enc_close
static av_cold int qsv_enc_close(AVCodecContext *avctx)
Definition: qsvenc_jpeg.c:55
AV_CODEC_ID_MJPEG
@ AV_CODEC_ID_MJPEG
Definition: codec_id.h:59
ff_qsv_enc_close
int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q)
Definition: qsvenc.c:2616
common.h
AVCodec::name
const char * name
Name of the codec implementation.
Definition: codec.h:194
avcodec.h
AV_PIX_FMT_NV12
@ AV_PIX_FMT_NV12
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:96
AVClass::class_name
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:71
AVCodecContext
main external API structure.
Definition: avcodec.h:441
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:72
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:225
AV_CODEC_CAP_DELAY
#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: codec.h:76
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
ff_qsv_enc_init
int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
Definition: qsvenc.c:1606
AV_CODEC_CAP_HYBRID
#define AV_CODEC_CAP_HYBRID
Codec is potentially backed by a hardware implementation, but not necessarily.
Definition: codec.h:152
AVPacket
This structure stores compressed data.
Definition: packet.h:499
AVCodecContext::priv_data
void * priv_data
Definition: avcodec.h:468
ff_qsv_encode
int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: qsvenc.c:2548