AVCPBProperties Struct Reference

This structure describes the bitrate properties of an encoded bitstream. More...

#include <avcodec.h>

Data Fields
int	max_bitrate
	Maximum bitrate of the stream, in bits per second. More...
int	min_bitrate
	Minimum bitrate of the stream, in bits per second. More...
int	avg_bitrate
	Average bitrate of the stream, in bits per second. More...
int	buffer_size
	The size of the buffer to which the ratecontrol is applied, in bits. More...
uint64_t	vbv_delay
	The delay between the time the packet this structure is associated with is received and the time when it should be decoded, in periods of a 27MHz clock. More...

Detailed Description

This structure describes the bitrate properties of an encoded bitstream.

It roughly corresponds to a subset the VBV parameters for MPEG-2 or HRD parameters for H.264/HEVC.

Definition at line 1346 of file avcodec.h.

Field Documentation

int AVCPBProperties::max_bitrate

Maximum bitrate of the stream, in bits per second.

Zero if unknown or unspecified.

Definition at line 1351 of file avcodec.h.

Referenced by dump_cpb(), ff_mpv_encode_init(), mov_write_esds_tag(), mov_write_isml_manifest(), mpeg_mux_init(), nvenc_setup_encoder(), qsv_retrieve_enc_params(), svc_encode_init(), vpx_init(), and X264_init().

int AVCPBProperties::min_bitrate

Minimum bitrate of the stream, in bits per second.

Zero if unknown or unspecified.

Definition at line 1356 of file avcodec.h.

Referenced by dump_cpb(), ff_mpv_encode_init(), qsv_retrieve_enc_params(), and vpx_init().

int AVCPBProperties::avg_bitrate

Average bitrate of the stream, in bits per second.

Zero if unknown or unspecified.

Definition at line 1361 of file avcodec.h.

Referenced by dump_cpb(), ff_mpv_encode_init(), mov_write_esds_tag(), nvenc_setup_encoder(), qsv_retrieve_enc_params(), svc_encode_init(), vpx_init(), and X264_init().

int AVCPBProperties::buffer_size

The size of the buffer to which the ratecontrol is applied, in bits.

Zero if unknown or unspecified.

Definition at line 1367 of file avcodec.h.

Referenced by dump_cpb(), ff_mpv_encode_init(), mov_write_esds_tag(), mpeg_mux_init(), nvenc_setup_encoder(), qsv_retrieve_enc_params(), vpx_init(), and X264_init().

uint64_t AVCPBProperties::vbv_delay

The delay between the time the packet this structure is associated with is received and the time when it should be decoded, in periods of a 27MHz clock.

UINT64_MAX when unknown or unspecified.

Definition at line 1376 of file avcodec.h.

Referenced by av_cpb_properties_alloc(), dump_cpb(), and ff_mpv_encode_picture().

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The documentation for this struct was generated from the following file:

• libavcodec/avcodec.h