spectral extension


Variables

int AC3DecodeContext::spx_in_use
 spectral extension in use (spxinu)
uint8_t AC3DecodeContext::channel_uses_spx [AC3_MAX_CHANNELS]
 channel uses spectral extension (chinspx)
int8_t AC3DecodeContext::spx_atten_code [AC3_MAX_CHANNELS]
 spx attenuation code (spxattencod)
int AC3DecodeContext::spx_src_start_freq
 spx start frequency bin
int AC3DecodeContext::spx_dst_end_freq
 spx end frequency bin
int AC3DecodeContext::spx_dst_start_freq
 spx starting frequency bin for copying (copystartmant) the copy region ends at the start of the spx region.
int AC3DecodeContext::num_spx_bands
 number of spx bands (nspxbnds)
uint8_t AC3DecodeContext::spx_band_sizes [SPX_MAX_BANDS]
 number of bins in each spx band
uint8_t AC3DecodeContext::first_spx_coords [AC3_MAX_CHANNELS]
 first spx coordinates states (firstspxcos)
float AC3DecodeContext::spx_noise_blend [AC3_MAX_CHANNELS][SPX_MAX_BANDS]
 spx noise blending factor (nblendfact)
float AC3DecodeContext::spx_signal_blend [AC3_MAX_CHANNELS][SPX_MAX_BANDS]
 spx signal blending factor (sblendfact)

Variable Documentation

uint8_t AC3DecodeContext::channel_uses_spx[AC3_MAX_CHANNELS] [inherited]

channel uses spectral extension (chinspx)

Definition at line 119 of file ac3dec.h.

Referenced by decode_audio_block(), and ff_eac3_apply_spectral_extension().

uint8_t AC3DecodeContext::first_spx_coords[AC3_MAX_CHANNELS] [inherited]

first spx coordinates states (firstspxcos)

Definition at line 127 of file ac3dec.h.

Referenced by decode_audio_block(), and ff_eac3_parse_header().

number of spx bands (nspxbnds)

Definition at line 125 of file ac3dec.h.

Referenced by decode_audio_block(), and ff_eac3_apply_spectral_extension().

int8_t AC3DecodeContext::spx_atten_code[AC3_MAX_CHANNELS] [inherited]

spx attenuation code (spxattencod)

Definition at line 120 of file ac3dec.h.

Referenced by ff_eac3_apply_spectral_extension(), and ff_eac3_parse_header().

uint8_t AC3DecodeContext::spx_band_sizes[SPX_MAX_BANDS] [inherited]

number of bins in each spx band

Definition at line 126 of file ac3dec.h.

Referenced by decode_audio_block(), and ff_eac3_apply_spectral_extension().

spx end frequency bin

Definition at line 122 of file ac3dec.h.

Referenced by decode_audio_block().

spx starting frequency bin for copying (copystartmant) the copy region ends at the start of the spx region.

Definition at line 123 of file ac3dec.h.

Referenced by decode_audio_block(), and ff_eac3_apply_spectral_extension().

spectral extension in use (spxinu)

Definition at line 118 of file ac3dec.h.

Referenced by decode_audio_block().

float AC3DecodeContext::spx_noise_blend[AC3_MAX_CHANNELS][SPX_MAX_BANDS] [inherited]

spx noise blending factor (nblendfact)

Definition at line 128 of file ac3dec.h.

Referenced by decode_audio_block(), and ff_eac3_apply_spectral_extension().

float AC3DecodeContext::spx_signal_blend[AC3_MAX_CHANNELS][SPX_MAX_BANDS] [inherited]

spx signal blending factor (sblendfact)

Definition at line 129 of file ac3dec.h.

Referenced by decode_audio_block(), and ff_eac3_apply_spectral_extension().

spx start frequency bin

Definition at line 121 of file ac3dec.h.

Referenced by decode_audio_block(), and ff_eac3_apply_spectral_extension().


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