DCAEncContext Struct Reference

Data Fields
PutBitContext	pb
int	frame_size
int	frame_bits
int	fullband_channels
int	channels
int	lfe_channel
int	samplerate_index
int	bitrate_index
int	channel_config
const int32_t *	band_interpolation
const int32_t *	band_spectrum
int	lfe_scale_factor
softfloat	lfe_quant
int32_t	lfe_peak_cb
int32_t	history [512][MAX_CHANNELS]
int32_t	subband [SUBBAND_SAMPLES][DCAENC_SUBBANDS][MAX_CHANNELS]
int32_t	quantized [SUBBAND_SAMPLES][DCAENC_SUBBANDS][MAX_CHANNELS]
int32_t	peak_cb [DCAENC_SUBBANDS][MAX_CHANNELS]
int32_t	downsampled_lfe [DCA_LFE_SAMPLES]
int32_t	masking_curve_cb [SUBSUBFRAMES][256]
int	abits [DCAENC_SUBBANDS][MAX_CHANNELS]
int	scale_factor [DCAENC_SUBBANDS][MAX_CHANNELS]
softfloat	quant [DCAENC_SUBBANDS][MAX_CHANNELS]
int32_t	eff_masking_curve_cb [256]
int32_t	band_masking_cb [32]
int32_t	worst_quantization_noise
int32_t	worst_noise_ever
int	consumed_bits

Detailed Description

Definition at line 46 of file dcaenc.c.

Field Documentation

PutBitContext DCAEncContext::pb

Definition at line 47 of file dcaenc.c.

Referenced by encode_frame(), put_frame_header(), put_primary_audio_header(), put_subframe(), and put_subframe_samples().

int DCAEncContext::frame_size

Definition at line 48 of file dcaenc.c.

Referenced by encode_frame(), encode_init(), and put_frame_header().

int DCAEncContext::frame_bits

Definition at line 49 of file dcaenc.c.

Referenced by assign_bits(), and encode_init().

int DCAEncContext::fullband_channels

Definition at line 50 of file dcaenc.c.

Referenced by calc_masking(), calc_scales(), encode_init(), find_peaks(), init_quantization_noise(), put_primary_audio_header(), put_subframe(), quantize_all(), and subband_transform().

int DCAEncContext::channels

Definition at line 51 of file dcaenc.c.

Referenced by calc_masking(), encode_init(), lfe_downsample(), shift_history(), and subband_transform().

int DCAEncContext::lfe_channel

Definition at line 52 of file dcaenc.c.

Referenced by calc_scales(), encode_frame(), encode_init(), find_peaks(), init_quantization_noise(), put_frame_header(), and put_subframe().

int DCAEncContext::samplerate_index

Definition at line 53 of file dcaenc.c.

Referenced by calc_masking(), encode_init(), and put_frame_header().

int DCAEncContext::bitrate_index

Definition at line 54 of file dcaenc.c.

Referenced by encode_init(), and put_frame_header().

int DCAEncContext::channel_config

Definition at line 55 of file dcaenc.c.

Referenced by encode_init(), and put_frame_header().

const int32_t* DCAEncContext::band_interpolation

Definition at line 56 of file dcaenc.c.

Referenced by encode_init(), and subband_transform().

const int32_t* DCAEncContext::band_spectrum

Definition at line 57 of file dcaenc.c.

Referenced by encode_init(), walk_band_high(), and walk_band_low().

int DCAEncContext::lfe_scale_factor

Definition at line 58 of file dcaenc.c.

Referenced by calc_scales(), and put_subframe().

softfloat DCAEncContext::lfe_quant

Definition at line 59 of file dcaenc.c.

Referenced by calc_scales(), and put_subframe().

int32_t DCAEncContext::lfe_peak_cb

Definition at line 60 of file dcaenc.c.

Referenced by calc_scales(), and find_peaks().

int32_t DCAEncContext::history[512][MAX_CHANNELS]

Definition at line 62 of file dcaenc.c.

Referenced by calc_masking(), lfe_downsample(), shift_history(), and subband_transform().

int32_t DCAEncContext::subband[SUBBAND_SAMPLES][DCAENC_SUBBANDS][MAX_CHANNELS]

Definition at line 63 of file dcaenc.c.

Referenced by find_peaks(), quantize_all(), and subband_transform().

int32_t DCAEncContext::quantized[SUBBAND_SAMPLES][DCAENC_SUBBANDS][MAX_CHANNELS]

Definition at line 64 of file dcaenc.c.

Referenced by put_subframe_samples(), and quantize_all().

int32_t DCAEncContext::peak_cb[DCAENC_SUBBANDS][MAX_CHANNELS]

Definition at line 65 of file dcaenc.c.

Referenced by calc_scales(), find_peaks(), and init_quantization_noise().

int32_t DCAEncContext::downsampled_lfe[DCA_LFE_SAMPLES]

Definition at line 66 of file dcaenc.c.

Referenced by find_peaks(), lfe_downsample(), and put_subframe().

int32_t DCAEncContext::masking_curve_cb[SUBSUBFRAMES][256]

Definition at line 67 of file dcaenc.c.

Referenced by calc_masking().

int DCAEncContext::abits[DCAENC_SUBBANDS][MAX_CHANNELS]

Definition at line 68 of file dcaenc.c.

Referenced by calc_scales(), init_quantization_noise(), put_subframe(), and put_subframe_samples().

int DCAEncContext::scale_factor[DCAENC_SUBBANDS][MAX_CHANNELS]

Definition at line 69 of file dcaenc.c.

Referenced by calc_scales(), and put_subframe().

softfloat DCAEncContext::quant[DCAENC_SUBBANDS][MAX_CHANNELS]

Definition at line 70 of file dcaenc.c.

Referenced by calc_scales(), and quantize_all().

int32_t DCAEncContext::eff_masking_curve_cb[256]

Definition at line 71 of file dcaenc.c.

Referenced by calc_masking(), and update_band_masking().

int32_t DCAEncContext::band_masking_cb[32]

Definition at line 72 of file dcaenc.c.

Referenced by calc_masking(), init_quantization_noise(), and update_band_masking().

int32_t DCAEncContext::worst_quantization_noise

Definition at line 73 of file dcaenc.c.

Referenced by assign_bits(), and encode_init().

int32_t DCAEncContext::worst_noise_ever

Definition at line 74 of file dcaenc.c.

Referenced by assign_bits(), and encode_init().

int DCAEncContext::consumed_bits

Definition at line 75 of file dcaenc.c.

Referenced by assign_bits(), and init_quantization_noise().

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

• libavcodec/dcaenc.c