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 "hevcdec.h"
#include "h2645_parse.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_HEVC_HW, 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

OFFSET

#define OFFSET

(

x

)

offsetof(QSVHEVCEncContext, x)

Definition at line 223 of file qsvenc_hevc.c.

VE

#define VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Definition at line 224 of file qsvenc_hevc.c.

Enumeration Type Documentation

LoadPlugin

enum LoadPlugin

Enumerator
LOAD_PLUGIN_NONE
LOAD_PLUGIN_HEVC_SW
LOAD_PLUGIN_HEVC_HW
LOAD_PLUGIN_NONE
LOAD_PLUGIN_HEVC_SW
LOAD_PLUGIN_HEVC_HW

Definition at line 41 of file qsvenc_hevc.c.

Function Documentation

generate_fake_vps()

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

static

Definition at line 53 of file qsvenc_hevc.c.

Referenced by qsv_enc_init().

qsv_enc_init()

static av_cold int qsv_enc_init ( AVCodecContext *  avctx )

static

Definition at line 164 of file qsvenc_hevc.c.

qsv_enc_frame()

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

static

Definition at line 208 of file qsvenc_hevc.c.

qsv_enc_close()

static av_cold int qsv_enc_close ( AVCodecContext *  avctx )

static

Definition at line 216 of file qsvenc_hevc.c.

Variable Documentation

options

const AVOption options[]

static

Initial value:

= {
    QSV_COMMON_OPTS
 
    { "idr_interval", "Distance (in I-frames) between IDR frames", OFFSET(qsv.idr_interval), AV_OPT_TYPE_INT, { .i64 = 0 }, -1, INT_MAX, VE, "idr_interval" },
    { "begin_only", "Output an IDR-frame only at the beginning of the stream", 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, 0, 0, VE, "idr_interval" },
    { "load_plugin", "A user plugin to load in an internal session", OFFSET(load_plugin), AV_OPT_TYPE_INT, { .i64 = LOAD_PLUGIN_HEVC_HW }, 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" },
    { "rext",    NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_REXT    }, INT_MIN, INT_MAX,     VE, "profile" },
 
    { "gpb", "1: GPB (generalized P/B frame); 0: regular P frame", OFFSET(qsv.gpb), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE},
 
    { "tile_cols",  "Number of columns for tiled encoding",   OFFSET(qsv.tile_cols),    AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, VE },
    { "tile_rows",  "Number of rows for tiled encoding",      OFFSET(qsv.tile_rows),    AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, VE },
 
    { NULL },
}

Definition at line 225 of file qsvenc_hevc.c.

class_name

class_name = "hevc_qsv encoder"

private

Definition at line 254 of file qsvenc_hevc.c.

item_name

item_name = av_default_item_name

private

Definition at line 255 of file qsvenc_hevc.c.

option

option = options

private

Definition at line 256 of file qsvenc_hevc.c.

version

version = LIBAVUTIL_VERSION_INT

private

Definition at line 257 of file qsvenc_hevc.c.

@123

const { ... }

qsv_enc_defaults

const AVCodecDefault qsv_enc_defaults[]

static

Initial value:

= {
    { "b",         "1M"    },
    { "refs",      "0"     },
    
    { "g",         "248"   },
    { "bf",        "8"     },
    { "trellis",   "-1"    },
    { "flags",     "+cgop" },
 
    { "b_strategy", "-1"   },
 
    { NULL },
}

Definition at line 260 of file qsvenc_hevc.c.

ff_hevc_qsv_encoder

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 | AV_CODEC_CAP_HYBRID,
    .pix_fmts       = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
                                                    AV_PIX_FMT_P010,
                                                    AV_PIX_FMT_QSV,
                                                    AV_PIX_FMT_NONE },
    .priv_class     = &class,
    .defaults       = qsv_enc_defaults,
    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
    .wrapper_name   = "qsv",
    .hw_configs     = ff_qsv_enc_hw_configs,
}

Definition at line 274 of file qsvenc_hevc.c.