FFmpeg
Data Structures | Macros | Enumerations | Functions | Variables
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 []
 
const 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

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:
= {
{ "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.

◆ @121

const { ... }

◆ qsv_enc_defaults

const AVCodecDefault qsv_enc_defaults[]
static
Initial value:
= {
{ "b", "1M" },
{ "refs", "0" },
{ "g", "248" },
{ "bf", "8" },
{ "qmin", "-1" },
{ "qmax", "-1" },
{ "trellis", "-1" },
{ "flags", "+cgop" },
{ NULL },
}

Definition at line 260 of file qsvenc_hevc.c.

◆ ff_hevc_qsv_encoder

const 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),
.encode2 = qsv_enc_frame,
.close = qsv_enc_close,
.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 273 of file qsvenc_hevc.c.

AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
init
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:31
LOAD_PLUGIN_NONE
@ LOAD_PLUGIN_NONE
Definition: qsvenc_hevc.c:42
type
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf type
Definition: writing_filters.txt:86
ff_qsv_enc_hw_configs
const AVCodecHWConfigInternal *const ff_qsv_enc_hw_configs[]
Definition: qsvenc.c:1641
pix_fmts
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:289
NULL
#define NULL
Definition: coverity.c:32
QSV_COMMON_OPTS
#define QSV_COMMON_OPTS
Definition: qsvenc.h:77
AV_PIX_FMT_QSV
@ AV_PIX_FMT_QSV
HW acceleration through QSV, data[3] contains a pointer to the mfxFrameSurface1 structure.
Definition: pixfmt.h:212
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
VE
#define VE
Definition: qsvenc_hevc.c:224
LOAD_PLUGIN_HEVC_SW
@ LOAD_PLUGIN_HEVC_SW
Definition: qsvenc_hevc.c:43
qsv_enc_init
static av_cold int qsv_enc_init(AVCodecContext *avctx)
Definition: qsvenc_hevc.c:164
QSVHEVCEncContext
Definition: qsvenc_hevc.c:47
FF_CODEC_CAP_INIT_CLEANUP
#define FF_CODEC_CAP_INIT_CLEANUP
The codec allows calling the close function for deallocation even if the init function returned a fai...
Definition: internal.h:49
AV_CODEC_ID_HEVC
@ AV_CODEC_ID_HEVC
Definition: codec_id.h:223
AV_PIX_FMT_NV12
@ AV_PIX_FMT_NV12
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:89
LOAD_PLUGIN_HEVC_HW
@ LOAD_PLUGIN_HEVC_HW
Definition: qsvenc_hevc.c:44
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:225
AV_CODEC_CAP_DELAY
#define AV_CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
Definition: codec.h:77
AV_PIX_FMT_P010
#define AV_PIX_FMT_P010
Definition: pixfmt.h:438
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
qsv_enc_defaults
static const AVCodecDefault qsv_enc_defaults[]
Definition: qsvenc_hevc.c:260
AV_CODEC_CAP_HYBRID
#define AV_CODEC_CAP_HYBRID
Codec is potentially backed by a hardware implementation, but not necessarily.
Definition: codec.h:164
AV_OPT_TYPE_BOOL
@ AV_OPT_TYPE_BOOL
Definition: opt.h:242
qsv_enc_frame
static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: qsvenc_hevc.c:208
AV_OPT_TYPE_STRING
@ AV_OPT_TYPE_STRING
Definition: opt.h:229
OFFSET
#define OFFSET(x)
Definition: qsvenc_hevc.c:223
AV_OPT_TYPE_CONST
@ AV_OPT_TYPE_CONST
Definition: opt.h:234
qsv_enc_close
static av_cold int qsv_enc_close(AVCodecContext *avctx)
Definition: qsvenc_hevc.c:216