vaapi_encode_h264.c File Reference

#include <va/va.h>
#include <va/va_enc_h264.h>
#include "libavutil/avassert.h"
#include "libavutil/internal.h"
#include "libavutil/opt.h"
#include "libavutil/pixfmt.h"
#include "avcodec.h"
#include "h264.h"
#include "internal.h"
#include "vaapi_encode.h"
#include "vaapi_encode_h26x.h"

Go to the source code of this file.

Data Structures
struct	VAAPIEncodeH264MiscSequenceParams
struct	VAAPIEncodeH264MiscSliceParams
struct	VAAPIEncodeH264Slice
struct	VAAPIEncodeH264Context
struct	VAAPIEncodeH264Options

Macros
#define	vseq_var(name)   vseq->name, name
#define	vseq_field(name)   vseq->seq_fields.bits.name, name
#define	vpic_var(name)   vpic->name, name
#define	vpic_field(name)   vpic->pic_fields.bits.name, name
#define	vslice_var(name)   vslice->name, name
#define	vslice_field(name)   vslice->slice_fields.bits.name, name
#define	mseq_var(name)   mseq->name, name
#define	mslice_var(name)   mslice->name, name
#define	OFFSET(x)
#define	FLAGS   (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)

Enumerations
enum	{   SLICE_TYPE_P = 0, SLICE_TYPE_B = 1, SLICE_TYPE_I = 2, SLICE_TYPE_SP = 3,   SLICE_TYPE_SI = 4 }

Functions
static void	vaapi_encode_h264_write_nal_header (PutBitContext *pbc, int nal_unit_type, int nal_ref_idc)
static void	vaapi_encode_h264_write_trailing_rbsp (PutBitContext *pbc)
static void	vaapi_encode_h264_write_sps (PutBitContext *pbc, VAAPIEncodeContext *ctx)
static void	vaapi_encode_h264_write_pps (PutBitContext *pbc, VAAPIEncodeContext *ctx)
static void	vaapi_encode_h264_write_slice_header2 (PutBitContext *pbc, VAAPIEncodeContext *ctx, VAAPIEncodePicture *pic, VAAPIEncodeSlice *slice)
static int	vaapi_encode_h264_write_sequence_header (AVCodecContext *avctx, char *data, size_t *data_len)
static int	vaapi_encode_h264_write_slice_header (AVCodecContext *avctx, VAAPIEncodePicture *pic, VAAPIEncodeSlice *slice, char *data, size_t *data_len)
static int	vaapi_encode_h264_init_sequence_params (AVCodecContext *avctx)
static int	vaapi_encode_h264_init_picture_params (AVCodecContext *avctx, VAAPIEncodePicture *pic)
static int	vaapi_encode_h264_init_slice_params (AVCodecContext *avctx, VAAPIEncodePicture *pic, VAAPIEncodeSlice *slice)
static av_cold int	vaapi_encode_h264_init_constant_bitrate (AVCodecContext *avctx)
static av_cold int	vaapi_encode_h264_init_fixed_qp (AVCodecContext *avctx)
static av_cold int	vaapi_encode_h264_init_internal (AVCodecContext *avctx)
static av_cold int	vaapi_encode_h264_init (AVCodecContext *avctx)

Variables
static VAAPIEncodeType	vaapi_encode_type_h264
static const AVOption	vaapi_encode_h264_options []
static const AVCodecDefault	vaapi_encode_h264_defaults []
static const AVClass	vaapi_encode_h264_class
AVCodec	ff_h264_vaapi_encoder

Macro Definition Documentation

#define vseq_var

(

name

)

vseq->name, name

Definition at line 133 of file vaapi_encode_h264.c.

Referenced by vaapi_encode_h264_write_sps().

#define vseq_field

(

name

)

vseq->seq_fields.bits.name, name

Definition at line 134 of file vaapi_encode_h264.c.

Referenced by vaapi_encode_h264_write_sps().

#define vpic_var

(

name

)

vpic->name, name

Definition at line 135 of file vaapi_encode_h264.c.

Referenced by vaapi_encode_h264_write_pps(), and vaapi_encode_h264_write_slice_header2().

#define vpic_field

(

name

)

vpic->pic_fields.bits.name, name

Definition at line 136 of file vaapi_encode_h264.c.

Referenced by vaapi_encode_h264_write_pps().

#define vslice_var

(

name

)

vslice->name, name

Definition at line 137 of file vaapi_encode_h264.c.

Referenced by vaapi_encode_h264_write_slice_header2().

#define vslice_field

(

name

)

vslice->slice_fields.bits.name, name

Definition at line 138 of file vaapi_encode_h264.c.

#define mseq_var

(

name

)

mseq->name, name

Definition at line 139 of file vaapi_encode_h264.c.

Referenced by vaapi_encode_h264_write_pps(), and vaapi_encode_h264_write_sps().

#define mslice_var

(

name

)

mslice->name, name

Definition at line 140 of file vaapi_encode_h264.c.

Referenced by vaapi_encode_h264_write_slice_header2().

#define OFFSET

(

x

)

Value:

(offsetof(VAAPIEncodeContext, codec_options_data) + \
                   offsetof(VAAPIEncodeH264Options, x))

Definition at line 950 of file vaapi_encode_h264.c.

#define FLAGS   (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)

Definition at line 952 of file vaapi_encode_h264.c.

Enumeration Type Documentation

anonymous enum

Enumerator
SLICE_TYPE_P
SLICE_TYPE_B
SLICE_TYPE_I
SLICE_TYPE_SP
SLICE_TYPE_SI

Definition at line 33 of file vaapi_encode_h264.c.

Function Documentation

static void vaapi_encode_h264_write_nal_header ( PutBitContext *  pbc, int  nal_unit_type, int  nal_ref_idc  )

static

Definition at line 142 of file vaapi_encode_h264.c.

Referenced by vaapi_encode_h264_write_pps(), vaapi_encode_h264_write_slice_header2(), and vaapi_encode_h264_write_sps().

static void vaapi_encode_h264_write_trailing_rbsp ( PutBitContext *  pbc )

static

Definition at line 150 of file vaapi_encode_h264.c.

Referenced by vaapi_encode_h264_write_pps(), and vaapi_encode_h264_write_sps().

static void vaapi_encode_h264_write_sps ( PutBitContext *  pbc, VAAPIEncodeContext *  ctx  )

static

Definition at line 157 of file vaapi_encode_h264.c.

Referenced by vaapi_encode_h264_write_sequence_header().

static void vaapi_encode_h264_write_pps ( PutBitContext *  pbc, VAAPIEncodeContext *  ctx  )

static

Definition at line 241 of file vaapi_encode_h264.c.

Referenced by vaapi_encode_h264_write_sequence_header().

static void vaapi_encode_h264_write_slice_header2 ( PutBitContext *  pbc, VAAPIEncodeContext *  ctx, VAAPIEncodePicture *  pic, VAAPIEncodeSlice *  slice  )

static

Definition at line 287 of file vaapi_encode_h264.c.

Referenced by vaapi_encode_h264_write_slice_header().

static int vaapi_encode_h264_write_sequence_header ( AVCodecContext *  avctx, char *  data, size_t *  data_len  )

static

Definition at line 432 of file vaapi_encode_h264.c.

static int vaapi_encode_h264_write_slice_header ( AVCodecContext *  avctx, VAAPIEncodePicture *  pic, VAAPIEncodeSlice *  slice, char *  data, size_t *  data_len  )

static

Definition at line 474 of file vaapi_encode_h264.c.

static int vaapi_encode_h264_init_sequence_params ( AVCodecContext *  avctx )

static

Definition at line 493 of file vaapi_encode_h264.c.

static int vaapi_encode_h264_init_picture_params ( AVCodecContext *  avctx, VAAPIEncodePicture *  pic  )

static

Definition at line 585 of file vaapi_encode_h264.c.

static int vaapi_encode_h264_init_slice_params ( AVCodecContext *  avctx, VAAPIEncodePicture *  pic, VAAPIEncodeSlice *  slice  )

static

Definition at line 639 of file vaapi_encode_h264.c.

static av_cold int vaapi_encode_h264_init_constant_bitrate ( AVCodecContext *  avctx )

static

Definition at line 732 of file vaapi_encode_h264.c.

Referenced by vaapi_encode_h264_init_internal().

static av_cold int vaapi_encode_h264_init_fixed_qp ( AVCodecContext *  avctx )

static

Definition at line 788 of file vaapi_encode_h264.c.

Referenced by vaapi_encode_h264_init_internal().

static av_cold int vaapi_encode_h264_init_internal ( AVCodecContext *  avctx )

static

Definition at line 812 of file vaapi_encode_h264.c.

static av_cold int vaapi_encode_h264_init ( AVCodecContext *  avctx )

static

Definition at line 945 of file vaapi_encode_h264.c.

Variable Documentation

VAAPIEncodeType vaapi_encode_type_h264

static

Initial value:

= {
    .priv_data_size        = sizeof(VAAPIEncodeH264Context),

    .init                  = &vaapi_encode_h264_init_internal,

    .sequence_params_size  = sizeof(VAEncSequenceParameterBufferH264),
    .init_sequence_params  = &vaapi_encode_h264_init_sequence_params,

    .picture_params_size   = sizeof(VAEncPictureParameterBufferH264),
    .init_picture_params   = &vaapi_encode_h264_init_picture_params,

    .slice_params_size     = sizeof(VAEncSliceParameterBufferH264),
    .init_slice_params     = &vaapi_encode_h264_init_slice_params,

    .sequence_header_type  = VAEncPackedHeaderSequence,
    .write_sequence_header = &vaapi_encode_h264_write_sequence_header,

    .slice_header_type     = VAEncPackedHeaderH264_Slice,
    .write_slice_header    = &vaapi_encode_h264_write_slice_header,
}

Definition at line 924 of file vaapi_encode_h264.c.

const AVOption vaapi_encode_h264_options[]

static

Initial value:

= {
    { "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)",
      OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 20 }, 0, 52, FLAGS },
    { "quality", "Set encode quality (trades off against speed, higher is faster)",
      OFFSET(quality), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 8, FLAGS },
    { "low_power", "Use low-power encoding mode (experimental: only supported "
      "on some platforms, does not support all features)",
      OFFSET(low_power), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS },
    { NULL },
}

Definition at line 953 of file vaapi_encode_h264.c.

const AVCodecDefault vaapi_encode_h264_defaults[]

static

Initial value:

= {
    { "profile",        "100" },
    { "level",          "51"  },
    { "b",              "0"   },
    { "bf",             "2"   },
    { "g",              "120" },
    { "i_qfactor",      "1.0" },
    { "i_qoffset",      "0.0" },
    { "b_qfactor",      "1.2" },
    { "b_qoffset",      "0.0" },
    { NULL },
}

Definition at line 964 of file vaapi_encode_h264.c.

const AVClass vaapi_encode_h264_class

static

Initial value:

= {
    .class_name = "h264_vaapi",
    .item_name  = av_default_item_name,
    .option     = vaapi_encode_h264_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 977 of file vaapi_encode_h264.c.

AVCodec ff_h264_vaapi_encoder

Initial value:

= {
    .name           = "h264_vaapi",
    .long_name      = NULL_IF_CONFIG_SMALL("H.264/AVC (VAAPI)"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_H264,
    .priv_data_size = (sizeof(VAAPIEncodeContext) +
                       sizeof(VAAPIEncodeH264Options)),
    .init           = &vaapi_encode_h264_init,
    .encode2        = &ff_vaapi_encode2,
    .close          = &ff_vaapi_encode_close,
    .priv_class     = &vaapi_encode_h264_class,
    .capabilities   = AV_CODEC_CAP_DELAY,
    .defaults       = vaapi_encode_h264_defaults,
    .pix_fmts = (const enum AVPixelFormat[]) {
        AV_PIX_FMT_VAAPI,
        AV_PIX_FMT_NONE,
    },
}

Definition at line 984 of file vaapi_encode_h264.c.