qsvenc_h264.c File Reference

#include <stdint.h>
#include <sys/types.h>
#include <mfx/mfxvideo.h>
#include "libavutil/opt.h"
#include "avcodec.h"
#include "internal.h"
#include "h264.h"
#include "qsv.h"
#include "qsv_internal.h"
#include "qsvenc.h"

Go to the source code of this file.

Data Structures
struct	QSVH264EncContext

Macros
#define	OFFSET(x)   offsetof(QSVH264EncContext, x)
#define	VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Functions
static av_cold int	qsv_enc_init (AVCodecContext *avctx)
static int	qsv_enc_frame (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
static av_cold int	qsv_enc_close (AVCodecContext *avctx)

Variables
static const AVOption	options []
class {
class_name = "h264_qsv encoder"
item_name = av_default_item_name
option = options
version = LIBAVUTIL_VERSION_INT
};
static const AVCodecDefault	qsv_enc_defaults []
AVCodec	ff_h264_qsv_encoder

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(QSVH264EncContext, x)

Definition at line 65 of file qsvenc_h264.c.

#define VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Definition at line 66 of file qsvenc_h264.c.

Function Documentation

static av_cold int qsv_enc_init ( AVCodecContext *  avctx )

static

Definition at line 43 of file qsvenc_h264.c.

static int qsv_enc_frame ( AVCodecContext *  avctx, AVPacket *  pkt, const AVFrame *  frame, int *  got_packet  )

static

Definition at line 50 of file qsvenc_h264.c.

static av_cold int qsv_enc_close ( AVCodecContext *  avctx )

static

Definition at line 58 of file qsvenc_h264.c.

Variable Documentation

const AVOption options[]

static

Initial value:

= {
    { "async_depth", "Maximum processing parallelism", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 0, INT_MAX, VE },
    { "idr_interval", "Distance (in I-frames) between IDR frames", OFFSET(qsv.idr_interval), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
    { "avbr_accuracy",    "Accuracy of the AVBR ratecontrol",    OFFSET(qsv.avbr_accuracy),    AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
    { "avbr_convergence", "Convergence of the AVBR ratecontrol", OFFSET(qsv.avbr_convergence), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },

    { "profile", NULL, OFFSET(qsv.profile), AV_OPT_TYPE_INT, { .i64 = MFX_PROFILE_UNKNOWN }, 0, INT_MAX, VE, "profile" },
    { "unknown" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_UNKNOWN      }, INT_MIN, INT_MAX,     VE, "profile" },
    { "baseline", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_BASELINE }, INT_MIN, INT_MAX,     VE, "profile" },
    { "main"    , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_MAIN     }, INT_MIN, INT_MAX,     VE, "profile" },
    { "high"    , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_HIGH     }, INT_MIN, INT_MAX,     VE, "profile" },

    { "preset", NULL, OFFSET(qsv.preset), AV_OPT_TYPE_INT, { .i64 = MFX_TARGETUSAGE_BALANCED }, 0, 7,   VE, "preset" },
    { "fast",   NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_SPEED  },   INT_MIN, INT_MAX, VE, "preset" },
    { "medium", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BALANCED  },     INT_MIN, INT_MAX, VE, "preset" },
    { "slow",   NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_QUALITY  }, INT_MIN, INT_MAX, VE, "preset" },

    { NULL },
}

Definition at line 67 of file qsvenc_h264.c.

class_name = "h264_qsv encoder"

Definition at line 88 of file qsvenc_h264.c.

item_name = av_default_item_name

Definition at line 89 of file qsvenc_h264.c.

option = options

Definition at line 90 of file qsvenc_h264.c.

version = LIBAVUTIL_VERSION_INT

Definition at line 91 of file qsvenc_h264.c.

const { ... }

const AVCodecDefault qsv_enc_defaults[]

static

Initial value:

= {
    { "b",         "1M"    },
    { "refs",      "0"     },
    
    { "g",         "250"   },
    { "bf",        "3"     },
    { "coder",     "ac"    },

    { "flags",     "+cgop" },
    { NULL },
}

Definition at line 94 of file qsvenc_h264.c.

AVCodec ff_h264_qsv_encoder

Initial value:

= {
    .name           = "h264_qsv",
    .long_name      = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (Intel Quick Sync Video acceleration)"),
    .priv_data_size = sizeof(QSVH264EncContext),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_H264,
    .init           = qsv_enc_init,
    .encode2        = qsv_enc_frame,
    .close          = qsv_enc_close,
    .capabilities   = CODEC_CAP_DELAY,
    .pix_fmts       = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
                                                    AV_PIX_FMT_QSV,
                                                    AV_PIX_FMT_NONE },
    .priv_class     = &class,
    .defaults       = qsv_enc_defaults,
}

Definition at line 106 of file qsvenc_h264.c.