qsvenc_hevc.c File Reference

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

Go to the source code of this file.

Data Structures
struct	QSVHEVCEncContext

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

Enumerations
enum	LoadPlugin {   LOAD_PLUGIN_NONE, LOAD_PLUGIN_HEVC_SW, LOAD_PLUGIN_NONE, LOAD_PLUGIN_HEVC_SW,   LOAD_PLUGIN_HEVC_HW }

Functions
static int	generate_fake_vps (QSVEncContext *q, AVCodecContext *avctx)
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 = "hevc_qsv encoder"
item_name = av_default_item_name
option = options
version = LIBAVUTIL_VERSION_INT
};
static const AVCodecDefault	qsv_enc_defaults []
AVCodec	ff_hevc_qsv_encoder

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(QSVHEVCEncContext, x)

Definition at line 210 of file qsvenc_hevc.c.

#define VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Definition at line 211 of file qsvenc_hevc.c.

Enumeration Type Documentation

enum LoadPlugin

Enumerator
LOAD_PLUGIN_NONE
LOAD_PLUGIN_HEVC_SW
LOAD_PLUGIN_NONE
LOAD_PLUGIN_HEVC_SW
LOAD_PLUGIN_HEVC_HW

Definition at line 39 of file qsvenc_hevc.c.

Function Documentation

static int generate_fake_vps ( QSVEncContext *  q, AVCodecContext *  avctx  )

static

Definition at line 51 of file qsvenc_hevc.c.

Referenced by qsv_enc_init().

static av_cold int qsv_enc_init ( AVCodecContext *  avctx )

static

Definition at line 156 of file qsvenc_hevc.c.

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

static

Definition at line 195 of file qsvenc_hevc.c.

static av_cold int qsv_enc_close ( AVCodecContext *  avctx )

static

Definition at line 203 of file qsvenc_hevc.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 },
    { "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 },

    { "load_plugin", "A user plugin to load in an internal session", OFFSET(load_plugin), AV_OPT_TYPE_INT, { .i64 = LOAD_PLUGIN_HEVC_SW }, LOAD_PLUGIN_NONE, LOAD_PLUGIN_HEVC_HW, VE, "load_plugin" },
    { "none",     NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_NONE },    0, 0, VE, "load_plugin" },
    { "hevc_sw",  NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_HEVC_SW }, 0, 0, VE, "load_plugin" },
    { "hevc_hw",  NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_HEVC_HW }, 0, 0, VE, "load_plugin" },

    { "load_plugins", "A :-separate list of hexadecimal plugin UIDs to load in an internal session",
        OFFSET(qsv.load_plugins), AV_OPT_TYPE_STRING, { .str = "" }, 0, 0, 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" },
    { "main",    NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_MAIN    }, INT_MIN, INT_MAX,     VE, "profile" },
    { "main10",  NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_MAIN10  }, INT_MIN, INT_MAX,     VE, "profile" },
    { "mainsp",  NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_MAINSP  }, 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 212 of file qsvenc_hevc.c.

class_name = "hevc_qsv encoder"

Definition at line 240 of file qsvenc_hevc.c.

item_name = av_default_item_name

Definition at line 241 of file qsvenc_hevc.c.

option = options

Definition at line 242 of file qsvenc_hevc.c.

version = LIBAVUTIL_VERSION_INT

Definition at line 243 of file qsvenc_hevc.c.

const { ... }

const AVCodecDefault qsv_enc_defaults[]

static

Initial value:

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

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

Definition at line 246 of file qsvenc_hevc.c.

AVCodec ff_hevc_qsv_encoder

Initial value:

= {
    .name           = "hevc_qsv",
    .long_name      = NULL_IF_CONFIG_SMALL("HEVC (Intel Quick Sync Video acceleration)"),
    .priv_data_size = sizeof(QSVHEVCEncContext),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_HEVC,
    .init           = qsv_enc_init,
    .encode2        = qsv_enc_frame,
    .close          = qsv_enc_close,
    .capabilities   = AV_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 257 of file qsvenc_hevc.c.