hw_base_encode.h File Reference

#include "avcodec.h"
#include "libavutil/hwcontext.h"
#include "libavutil/fifo.h"

Go to the source code of this file.

Data Structures
struct	FFHWBaseEncodePicture
struct	FFHWEncodePictureOperation
struct	FFHWBaseEncodeContext

Macros
#define	MAX_DPB_SIZE   16
#define	MAX_PICTURE_REFERENCES   2
#define	MAX_REORDER_DELAY   16
#define	MAX_ASYNC_DEPTH   64
#define	MAX_REFERENCE_LIST_NUM   2
#define	HW_BASE_ENCODE_COMMON_OPTIONS

Enumerations
enum	{ FF_HW_PICTURE_TYPE_IDR = 0 , FF_HW_PICTURE_TYPE_I = 1 , FF_HW_PICTURE_TYPE_P = 2 , FF_HW_PICTURE_TYPE_B = 3 }
enum	{   FF_HW_FLAG_SLICE_CONTROL = 1 << 0 , FF_HW_FLAG_CONSTANT_QUALITY_ONLY = 1 << 1 , FF_HW_FLAG_INTRA_ONLY = 1 << 2 , FF_HW_FLAG_B_PICTURES = 1 << 3 ,   FF_HW_FLAG_B_PICTURE_REFERENCES = 1 << 4 , FF_HW_FLAG_NON_IDR_KEY_PICTURES = 1 << 5 }

Functions
static const char *	ff_hw_base_encode_get_pictype_name (const int type)
int	ff_hw_base_encode_set_output_property (FFHWBaseEncodeContext *ctx, AVCodecContext *avctx, FFHWBaseEncodePicture *pic, AVPacket *pkt, int flag_no_delay)
int	ff_hw_base_encode_receive_packet (FFHWBaseEncodeContext *ctx, AVCodecContext *avctx, AVPacket *pkt)
int	ff_hw_base_init_gop_structure (FFHWBaseEncodeContext *ctx, AVCodecContext *avctx, uint32_t ref_l0, uint32_t ref_l1, int flags, int prediction_pre_only)
int	ff_hw_base_get_recon_format (FFHWBaseEncodeContext *ctx, const void *hwconfig, enum AVPixelFormat *fmt)
int	ff_hw_base_encode_init (AVCodecContext *avctx, FFHWBaseEncodeContext *ctx)
int	ff_hw_base_encode_close (FFHWBaseEncodeContext *ctx)

Macro Definition Documentation

MAX_DPB_SIZE

#define MAX_DPB_SIZE   16

Definition at line 26 of file hw_base_encode.h.

Referenced by d3d12va_encode_create_recon_frames(), d3d12va_encode_h264_init_sequence_params(), d3d12va_encode_hevc_init_sequence_params(), d3d12va_encode_issue(), hw_base_encode_add_ref(), setup_refs(), setup_refs(), vaapi_encode_h264_init_slice_params(), and vaapi_encode_h265_init_slice_params().

MAX_PICTURE_REFERENCES

#define MAX_PICTURE_REFERENCES   2

Definition at line 27 of file hw_base_encode.h.

Referenced by d3d12va_encode_h264_init_picture_params(), d3d12va_encode_hevc_init_picture_params(), ff_hw_base_init_gop_structure(), and hw_base_encode_add_ref().

MAX_REORDER_DELAY

#define MAX_REORDER_DELAY   16

Definition at line 28 of file hw_base_encode.h.

Referenced by avformat_new_stream(), compute_pkt_fields(), estimate_timings_from_pts(), ff_read_frame_flush(), mov_estimate_video_delay(), and update_dts_from_pts().

MAX_ASYNC_DEPTH

#define MAX_ASYNC_DEPTH   64

Definition at line 29 of file hw_base_encode.h.

MAX_REFERENCE_LIST_NUM

#define MAX_REFERENCE_LIST_NUM   2

Definition at line 30 of file hw_base_encode.h.

Referenced by setup_refs(), vaapi_encode_av1_init_picture_params(), vaapi_encode_h264_init_picture_params(), vaapi_encode_h265_init_picture_params(), vaapi_encode_h265_init_slice_params(), vaapi_encode_vp9_init_picture_params(), and vulkan_encode_issue().

HW_BASE_ENCODE_COMMON_OPTIONS

#define HW_BASE_ENCODE_COMMON_OPTIONS

Value:

    { "idr_interval", \
      "Distance (in I-frames) between key frames", \
      OFFSET(common.base.idr_interval), AV_OPT_TYPE_INT, \
      { .i64 = 0 }, 0, INT_MAX, FLAGS }, \
    { "b_depth", \
      "Maximum B-frame reference depth", \
      OFFSET(common.base.desired_b_depth), AV_OPT_TYPE_INT, \
      { .i64 = 1 }, 1, INT_MAX, FLAGS }, \
    { "async_depth", "Maximum processing parallelism. " \
      "Increase this to improve single channel performance.", \
      OFFSET(common.base.async_depth), AV_OPT_TYPE_INT, \
      { .i64 = 2 }, 1, MAX_ASYNC_DEPTH, FLAGS }

Definition at line 246 of file hw_base_encode.h.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
FF_HW_PICTURE_TYPE_IDR
FF_HW_PICTURE_TYPE_I
FF_HW_PICTURE_TYPE_P
FF_HW_PICTURE_TYPE_B

Definition at line 38 of file hw_base_encode.h.

anonymous enum

anonymous enum

Enumerator
FF_HW_FLAG_SLICE_CONTROL
FF_HW_FLAG_CONSTANT_QUALITY_ONLY
FF_HW_FLAG_INTRA_ONLY
FF_HW_FLAG_B_PICTURES
FF_HW_FLAG_B_PICTURE_REFERENCES
FF_HW_FLAG_NON_IDR_KEY_PICTURES

Definition at line 45 of file hw_base_encode.h.

Function Documentation

ff_hw_base_encode_get_pictype_name()

static const char * ff_hw_base_encode_get_pictype_name ( const int type )

inlinestatic

Definition at line 32 of file hw_base_encode.h.

Referenced by d3d12va_encode_issue(), and vaapi_encode_issue().

ff_hw_base_encode_set_output_property()

int ff_hw_base_encode_set_output_property	(	FFHWBaseEncodeContext *	ctx,
		AVCodecContext *	avctx,
		FFHWBaseEncodePicture *	pic,
		AVPacket *	pkt,
		int	flag_no_delay )

Definition at line 523 of file hw_base_encode.c.

Referenced by d3d12va_encode_output(), vaapi_encode_output(), and vulkan_encode_output().

ff_hw_base_encode_receive_packet()

int ff_hw_base_encode_receive_packet	(	FFHWBaseEncodeContext *	ctx,
		AVCodecContext *	avctx,
		AVPacket *	pkt )

if no B frame before repeat P frame, sent repeat P frame out.

loop to get an available pkt in encoder flushing.

Definition at line 562 of file hw_base_encode.c.

Referenced by ff_d3d12va_encode_receive_packet(), ff_vaapi_encode_receive_packet(), and ff_vulkan_encode_receive_packet().

ff_hw_base_init_gop_structure()

int ff_hw_base_init_gop_structure	(	FFHWBaseEncodeContext *	ctx,
		AVCodecContext *	avctx,
		uint32_t	ref_l0,
		uint32_t	ref_l1,
		int	flags,
		int	prediction_pre_only )

Definition at line 666 of file hw_base_encode.c.

Referenced by d3d12va_encode_init_gop_structure(), vaapi_encode_init_gop_structure(), vulkan_encode_av1_init(), vulkan_encode_h264_init(), and vulkan_encode_h265_init().

ff_hw_base_get_recon_format()

int ff_hw_base_get_recon_format	(	FFHWBaseEncodeContext *	ctx,
		const void *	hwconfig,
		enum AVPixelFormat *	fmt )

Definition at line 727 of file hw_base_encode.c.

Referenced by d3d12va_encode_create_recon_frames(), and vaapi_encode_create_recon_frames().

ff_hw_base_encode_init()

int ff_hw_base_encode_init	(	AVCodecContext *	avctx,
		FFHWBaseEncodeContext *	ctx )

Definition at line 785 of file hw_base_encode.c.

Referenced by ff_d3d12va_encode_init(), ff_vaapi_encode_init(), and ff_vulkan_encode_init().

ff_hw_base_encode_close()

int ff_hw_base_encode_close

(

FFHWBaseEncodeContext *

ctx

)

Definition at line 818 of file hw_base_encode.c.

Referenced by ff_d3d12va_encode_close(), ff_vaapi_encode_close(), and ff_vulkan_encode_uninit().