vaapi_encode_mjpeg.c File Reference

#include <va/va.h>
#include <va/va_enc_jpeg.h>
#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "libavutil/internal.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avcodec.h"
#include "bytestream.h"
#include "cbs.h"
#include "cbs_jpeg.h"
#include "internal.h"
#include "jpegtables.h"
#include "mjpeg.h"
#include "put_bits.h"
#include "vaapi_encode.h"

Go to the source code of this file.

Data Structures
struct	VAAPIEncodeMJPEGContext

Macros
#define	OFFSET(x)   offsetof(VAAPIEncodeMJPEGContext, x)
#define	FLAGS   (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)

Functions
static int	vaapi_encode_mjpeg_write_image_header (AVCodecContext *avctx, VAAPIEncodePicture *pic, VAAPIEncodeSlice *slice, char *data, size_t *data_len)
static int	vaapi_encode_mjpeg_write_extra_buffer (AVCodecContext *avctx, VAAPIEncodePicture *pic, int index, int *type, char *data, size_t *data_len)
static int	vaapi_encode_mjpeg_init_picture_params (AVCodecContext *avctx, VAAPIEncodePicture *pic)
static int	vaapi_encode_mjpeg_init_slice_params (AVCodecContext *avctx, VAAPIEncodePicture *pic, VAAPIEncodeSlice *slice)
static av_cold int	vaapi_encode_mjpeg_configure (AVCodecContext *avctx)
static av_cold int	vaapi_encode_mjpeg_init (AVCodecContext *avctx)
static av_cold int	vaapi_encode_mjpeg_close (AVCodecContext *avctx)

Variables
static const unsigned char	vaapi_encode_mjpeg_quant_luminance [64]
static const unsigned char	vaapi_encode_mjpeg_quant_chrominance [64]
static const VAAPIEncodeProfile	vaapi_encode_mjpeg_profiles []
static const VAAPIEncodeType	vaapi_encode_type_mjpeg
static const AVOption	vaapi_encode_mjpeg_options []
static const AVCodecDefault	vaapi_encode_mjpeg_defaults []
static const AVClass	vaapi_encode_mjpeg_class
AVCodec	ff_mjpeg_vaapi_encoder

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(VAAPIEncodeMJPEGContext, x)

Definition at line 520 of file vaapi_encode_mjpeg.c.

#define FLAGS   (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)

Definition at line 521 of file vaapi_encode_mjpeg.c.

Function Documentation

static int vaapi_encode_mjpeg_write_image_header ( AVCodecContext *  avctx, VAAPIEncodePicture *  pic, VAAPIEncodeSlice *  slice, char *  data, size_t *  data_len  )

static

Definition at line 83 of file vaapi_encode_mjpeg.c.

static int vaapi_encode_mjpeg_write_extra_buffer ( AVCodecContext *  avctx, VAAPIEncodePicture *  pic, int  index, int *  type, char *  data, size_t *  data_len  )

static

Definition at line 149 of file vaapi_encode_mjpeg.c.

static int vaapi_encode_mjpeg_init_picture_params ( AVCodecContext *  avctx, VAAPIEncodePicture *  pic  )

static

Definition at line 222 of file vaapi_encode_mjpeg.c.

static int vaapi_encode_mjpeg_init_slice_params ( AVCodecContext *  avctx, VAAPIEncodePicture *  pic, VAAPIEncodeSlice *  slice  )

static

Definition at line 410 of file vaapi_encode_mjpeg.c.

static av_cold int vaapi_encode_mjpeg_configure ( AVCodecContext *  avctx )

static

Definition at line 433 of file vaapi_encode_mjpeg.c.

static av_cold int vaapi_encode_mjpeg_init ( AVCodecContext *  avctx )

static

Definition at line 495 of file vaapi_encode_mjpeg.c.

static av_cold int vaapi_encode_mjpeg_close ( AVCodecContext *  avctx )

static

Definition at line 511 of file vaapi_encode_mjpeg.c.

Variable Documentation

const unsigned char vaapi_encode_mjpeg_quant_luminance[64]

static

Initial value:

= {
    16,  11,  12,  14,  12,  10,  16,  14,
    13,  14,  18,  17,  16,  19,  24,  40,
    26,  24,  22,  22,  24,  49,  35,  37,
    29,  40,  58,  51,  61,  60,  57,  51,
    56,  55,  64,  72,  92,  78,  64,  68,
    87,  69,  55,  56,  80, 109,  81,  87,
    95,  98, 103, 104, 103,  62,  77, 113,
   121, 112, 100, 120,  92, 101, 103,  99,
}

Definition at line 40 of file vaapi_encode_mjpeg.c.

Referenced by vaapi_encode_mjpeg_init_picture_params().

const unsigned char vaapi_encode_mjpeg_quant_chrominance[64]

static

Initial value:

= {
    17,  18,  18,  24,  21,  24,  47,  26,
    26,  47,  99,  66,  56,  66,  99,  99,
    99,  99,  99,  99,  99,  99,  99,  99,
    99,  99,  99,  99,  99,  99,  99,  99,
    99,  99,  99,  99,  99,  99,  99,  99,
    99,  99,  99,  99,  99,  99,  99,  99,
    99,  99,  99,  99,  99,  99,  99,  99,
    99,  99,  99,  99,  99,  99,  99,  99,
}

Definition at line 50 of file vaapi_encode_mjpeg.c.

Referenced by vaapi_encode_mjpeg_init_picture_params().

const VAAPIEncodeProfile vaapi_encode_mjpeg_profiles[]

static

Initial value:

= {
    { FF_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT,
            8, 1, 0, 0, VAProfileJPEGBaseline },
    { FF_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT,
            8, 3, 1, 1, VAProfileJPEGBaseline },
    { FF_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT,
            8, 3, 1, 0, VAProfileJPEGBaseline },
    { FF_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT,
            8, 3, 0, 0, VAProfileJPEGBaseline },
    { FF_PROFILE_UNKNOWN }
}

Definition at line 464 of file vaapi_encode_mjpeg.c.

const VAAPIEncodeType vaapi_encode_type_mjpeg

static

Initial value:

= {
    .profiles              = vaapi_encode_mjpeg_profiles,

    .flags                 = FLAG_CONSTANT_QUALITY_ONLY,

    .configure             = &vaapi_encode_mjpeg_configure,

    .picture_params_size   = sizeof(VAEncPictureParameterBufferJPEG),
    .init_picture_params   = &vaapi_encode_mjpeg_init_picture_params,

    .slice_params_size     = sizeof(VAEncSliceParameterBufferJPEG),
    .init_slice_params     = &vaapi_encode_mjpeg_init_slice_params,

    .slice_header_type     = VAEncPackedHeaderRawData,
    .write_slice_header    = &vaapi_encode_mjpeg_write_image_header,

    .write_extra_buffer    = &vaapi_encode_mjpeg_write_extra_buffer,
}

Definition at line 476 of file vaapi_encode_mjpeg.c.

Referenced by vaapi_encode_mjpeg_init().

const AVOption vaapi_encode_mjpeg_options[]

static

Initial value:

= {
    VAAPI_ENCODE_COMMON_OPTIONS,

    { "jfif", "Include JFIF header",
      OFFSET(jfif), AV_OPT_TYPE_BOOL,
      { .i64 = 0 }, 0, 1, FLAGS },
    { "huffman", "Include huffman tables",
      OFFSET(huffman), AV_OPT_TYPE_BOOL,
      { .i64 = 1 }, 0, 1, FLAGS },

    { NULL },
}

Definition at line 522 of file vaapi_encode_mjpeg.c.

const AVCodecDefault vaapi_encode_mjpeg_defaults[]

static

Initial value:

= {
    { "global_quality", "80" },
    { "b",              "0"  },
    { "g",              "1"  },
    { NULL },
}

Definition at line 535 of file vaapi_encode_mjpeg.c.

const AVClass vaapi_encode_mjpeg_class

static

Initial value:

= {
    .class_name = "mjpeg_vaapi",
    .item_name  = av_default_item_name,
    .option     = vaapi_encode_mjpeg_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 542 of file vaapi_encode_mjpeg.c.

AVCodec ff_mjpeg_vaapi_encoder

Initial value:

= {
    .name           = "mjpeg_vaapi",
    .long_name      = NULL_IF_CONFIG_SMALL("MJPEG (VAAPI)"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_MJPEG,
    .priv_data_size = sizeof(VAAPIEncodeMJPEGContext),
    .init           = &vaapi_encode_mjpeg_init,
    .encode2        = &ff_vaapi_encode2,
    .close          = &vaapi_encode_mjpeg_close,
    .priv_class     = &vaapi_encode_mjpeg_class,
    .capabilities   = AV_CODEC_CAP_HARDWARE |
                      AV_CODEC_CAP_INTRA_ONLY,
    .defaults       = vaapi_encode_mjpeg_defaults,
    .pix_fmts = (const enum AVPixelFormat[]) {
        AV_PIX_FMT_VAAPI,
        AV_PIX_FMT_NONE,
    },
    .wrapper_name   = "vaapi",
}

Definition at line 549 of file vaapi_encode_mjpeg.c.