Lines Matching defs:DCALbrDecoder

58 typedef struct DCALbrDecoder {  struct
59     AVCodecContext  *avctx;
60     GetBitContext   gb;
62     int     sample_rate;        ///< Sample rate of LBR audio
63     int     ch_mask;            ///< LBR speaker mask
64     int     flags;              ///< Flags for LBR decoder initialization
65     int     bit_rate_orig;      ///< Original bit rate
66     int     bit_rate_scaled;    ///< Scaled bit rate
68     int     nchannels;          ///< Number of fullband channels to decode
69     int     nchannels_total;    ///< Total number of fullband channels
70     int     freq_range;         ///< Frequency range of LBR audio
71     int     band_limit;         ///< Band limit factor
72     int     limited_rate;       ///< Band limited sample rate
73     int     limited_range;      ///< Band limited frequency range
74     int     res_profile;        ///< Resolution profile
75     int     nsubbands;          ///< Number of encoded subbands
76     int     g3_avg_only_start_sb;   ///< Subband index where grid 3 scale factors end
77     int     min_mono_subband;   ///< Subband index where mono encoding starts
78     int     max_mono_subband;   ///< Subband index where mono encoding ends
80     int     framenum;   ///< Lower 5 bits of current frame number
81     int     lbr_rand;   ///< Seed for subband randomization
82     int     warned;     ///< Flags for warning suppression
84     uint8_t     quant_levels[DCA_LBR_CHANNELS / 2][DCA_LBR_SUBBANDS];   ///< Quantization levels
85     uint8_t     sb_indices[DCA_LBR_SUBBANDS];   ///< Subband reordering indices
87 …DCA_LBR_CHANNELS / 2][DCA_LBR_SUBBANDS];    ///< Right channel inversion or mid/side decoding flags
88 …DCA_LBR_CHANNELS / 2][DCA_LBR_SUBBANDS];    ///< Flags indicating if left/right channel are swapped
89     uint32_t    ch_pres[DCA_LBR_CHANNELS];  ///< Subband allocation flags
91     uint8_t     grid_1_scf[DCA_LBR_CHANNELS][12][8];    ///< Grid 1 scale factors
92     uint8_t     grid_2_scf[DCA_LBR_CHANNELS][3][64];    ///< Grid 2 scale factors
94     int8_t      grid_3_avg[DCA_LBR_CHANNELS][DCA_LBR_SUBBANDS - 4];     ///< Grid 3 average values
95     int8_t      grid_3_scf[DCA_LBR_CHANNELS][DCA_LBR_SUBBANDS - 4][8];  ///< Grid 3 scale factors
96     uint32_t    grid_3_pres[DCA_LBR_CHANNELS];  ///< Grid 3 scale factors presence flags
98 …igh_res_scf[DCA_LBR_CHANNELS][DCA_LBR_SUBBANDS][8];    ///< High-frequency resolution scale factors
100 …int8_t     part_stereo[DCA_LBR_CHANNELS][DCA_LBR_SUBBANDS / 4][5]; ///< Partial stereo coefficients
101     uint8_t     part_stereo_pres;   ///< Partial stereo coefficients presence flags
103     float       lpc_coeff[2][DCA_LBR_CHANNELS][3][2][8];    ///< Predictor coefficients
127 } DCALbrDecoder;  argument