Libav
Data Structures | Macros | Functions | Variables
qsvenc_h264.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 "internal.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

◆ OFFSET

#define OFFSET (   x)    offsetof(QSVH264EncContext, x)

Definition at line 65 of file qsvenc_h264.c.

◆ VE

Definition at line 66 of file qsvenc_h264.c.

Function Documentation

◆ qsv_enc_init()

static av_cold int qsv_enc_init ( AVCodecContext avctx)
static

Definition at line 43 of file qsvenc_h264.c.

◆ qsv_enc_frame()

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.

◆ qsv_enc_close()

static av_cold int qsv_enc_close ( AVCodecContext avctx)
static

Definition at line 58 of file qsvenc_h264.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 }, 0, INT_MAX, VE },
{ "single_sei_nal_unit", "Put all the SEI messages into one NALU", OFFSET(qsv.single_sei_nal_unit), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
{ "max_dec_frame_buffering", "Maximum number of frames buffered in the DPB", OFFSET(qsv.max_dec_frame_buffering), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, VE },
{ "int_ref_type", "Intra refresh type", OFFSET(qsv.int_ref_type), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE, "int_ref_type" },
{ "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, .flags = VE, "int_ref_type" },
{ "vertical", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, .flags = VE, "int_ref_type" },
{ "int_ref_cycle_size", "Number of frames in the intra refresh cycle", OFFSET(qsv.int_ref_cycle_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE },
{ "int_ref_qp_delta", "QP difference for the refresh MBs", OFFSET(qsv.int_ref_qp_delta), AV_OPT_TYPE_INT, { .i64 = INT16_MIN }, INT16_MIN, INT16_MAX, VE },
{ "recovery_point_sei", "Insert recovery point SEI messages", OFFSET(qsv.recovery_point_sei), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
{ "trellis", "Trellis quantization", OFFSET(qsv.trellis), AV_OPT_TYPE_FLAGS, { .i64 = 0 }, 0, UINT_MAX, VE, "trellis" },
{ "off", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TRELLIS_OFF }, .flags = VE, "trellis" },
{ "I", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TRELLIS_I }, .flags = VE, "trellis" },
{ "P", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TRELLIS_P }, .flags = VE, "trellis" },
{ "B", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TRELLIS_B }, .flags = VE, "trellis" },
{ "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" },
{ NULL },
}
#define QSV_COMMON_OPTS
Definition: qsvenc.h:50
NULL
Definition: eval.c:55
#define VE
Definition: qsvenc_h264.c:66
#define OFFSET(x)
Definition: qsvenc_h264.c:65

Definition at line 67 of file qsvenc_h264.c.

◆ class_name

class_name = "h264_qsv encoder"
private

Definition at line 97 of file qsvenc_h264.c.

◆ item_name

item_name = av_default_item_name
private

Definition at line 98 of file qsvenc_h264.c.

◆ option

option = options
private

Definition at line 99 of file qsvenc_h264.c.

◆ version

version = LIBAVUTIL_VERSION_INT
private

Definition at line 100 of file qsvenc_h264.c.

◆ @71

const { ... }

◆ qsv_enc_defaults

const AVCodecDefault qsv_enc_defaults[]
static
Initial value:
= {
{ "b", "1M" },
{ "refs", "0" },
{ "g", "250" },
{ "bf", "3" },
{ "coder", "ac" },
{ "flags", "+cgop" },
{ "b_strategy", "-1" },
{ NULL },
}
NULL
Definition: eval.c:55

Definition at line 103 of file qsvenc_h264.c.

◆ ff_h264_qsv_encoder

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),
.encode2 = qsv_enc_frame,
.close = qsv_enc_close,
.capabilities = AV_CODEC_CAP_DELAY,
.priv_class = &class,
.defaults = qsv_enc_defaults,
.caps_internal = 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:48
#define AV_PIX_FMT_P010
Definition: pixfmt.h:288
#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: avcodec.h:863
static const AVCodecDefault qsv_enc_defaults[]
Definition: qsvenc_h264.c:103
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:148
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:86
HW acceleration through QSV, data[3] contains a pointer to the mfxFrameSurface1 structure.
Definition: pixfmt.h:215
static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: qsvenc_h264.c:50
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:257
static av_cold int qsv_enc_init(AVCodecContext *avctx)
Definition: qsvenc_h264.c:43
static av_cold int init(AVCodecParserContext *s)
Definition: h264_parser.c:582
static av_cold int qsv_enc_close(AVCodecContext *avctx)
Definition: qsvenc_h264.c:58
AVPixelFormat
Pixel format.
Definition: pixfmt.h:57

Definition at line 118 of file qsvenc_h264.c.