FFmpeg: DynamicRangeControl Struct Reference

FFmpeg

[フレーム]

Data Fields

DynamicRangeControl Struct Reference

Dynamic Range Control - decoded from the bitstream but not processed further. More...

#include <aac.h>

Data Fields

int pce_instance_tag

Indicates with which program the DRC info is associated. More...

int dyn_rng_sgn [17]

DRC sign information; 0 - positive, 1 - negative. More...

int dyn_rng_ctl [17]

DRC magnitude information. More...

int exclude_mask [MAX_CHANNELS]

Channels to be excluded from DRC processing. More...

int band_incr

Number of DRC bands greater than 1 having DRC info. More...

int interpolation_scheme

Indicates the interpolation scheme used in the SBR QMF domain. More...

int band_top [17]

Indicates the top of the i-th DRC band in units of 4 spectral lines. More...

int prog_ref_level

A reference level for the long-term program audio level for all channels combined. More...

Detailed Description

Dynamic Range Control - decoded from the bitstream but not processed further.

Definition at line 211 of file aac.h.

Field Documentation

int DynamicRangeControl::pce_instance_tag

Indicates with which program the DRC info is associated.

Definition at line 212 of file aac.h.

Referenced by decode_dynamic_range().

int DynamicRangeControl::dyn_rng_sgn[17]

DRC sign information; 0 - positive, 1 - negative.

Definition at line 213 of file aac.h.

Referenced by decode_dynamic_range().

int DynamicRangeControl::dyn_rng_ctl[17]

DRC magnitude information.

Definition at line 214 of file aac.h.

Referenced by decode_dynamic_range().

int DynamicRangeControl::exclude_mask[MAX_CHANNELS]

Channels to be excluded from DRC processing.

Definition at line 215 of file aac.h.

Referenced by decode_drc_channel_exclusions().

int DynamicRangeControl::band_incr

Number of DRC bands greater than 1 having DRC info.

Definition at line 216 of file aac.h.

Referenced by decode_dynamic_range().

int DynamicRangeControl::interpolation_scheme

Indicates the interpolation scheme used in the SBR QMF domain.

Definition at line 217 of file aac.h.

Referenced by decode_dynamic_range().

int DynamicRangeControl::band_top[17]

Indicates the top of the i-th DRC band in units of 4 spectral lines.

Definition at line 218 of file aac.h.

Referenced by decode_dynamic_range().

int DynamicRangeControl::prog_ref_level

A reference level for the long-term program audio level for all channels combined.

Definition at line 219 of file aac.h.

Referenced by decode_dynamic_range().

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

libavcodec/aac.h

Generated on Fri Jan 12 2018 01:46:24 for FFmpeg by doxygen 1.8.6