*/
unsigned bs_frame_class;
unsigned bs_add_harmonic_flag;
- unsigned bs_num_env;
+ AAC_SIGNE bs_num_env;
uint8_t bs_freq_res[7];
- unsigned bs_num_noise;
+ AAC_SIGNE bs_num_noise;
uint8_t bs_df_env[5];
uint8_t bs_df_noise[2];
uint8_t bs_invf_mode[2][5];
* @name State variables
* @{
*/
- DECLARE_ALIGNED(32, float, synthesis_filterbank_samples)[SBR_SYNTHESIS_BUF_SIZE];
- DECLARE_ALIGNED(32, float, analysis_filterbank_samples) [1312];
+ DECLARE_ALIGNED(32, INTFLOAT, synthesis_filterbank_samples)[SBR_SYNTHESIS_BUF_SIZE];
+ DECLARE_ALIGNED(32, INTFLOAT, analysis_filterbank_samples) [1312];
int synthesis_filterbank_samples_offset;
///l_APrev and l_A
int e_a[2];
///Chirp factors
- float bw_array[5];
+ INTFLOAT bw_array[5];
///QMF values of the original signal
- float W[2][32][32][2];
+ INTFLOAT W[2][32][32][2];
///QMF output of the HF adjustor
int Ypos;
- DECLARE_ALIGNED(16, float, Y)[2][38][64][2];
- DECLARE_ALIGNED(16, float, g_temp)[42][48];
- float q_temp[42][48];
+ DECLARE_ALIGNED(16, INTFLOAT, Y)[2][38][64][2];
+ DECLARE_ALIGNED(16, AAC_FLOAT, g_temp)[42][48];
+ AAC_FLOAT q_temp[42][48];
uint8_t s_indexmapped[8][48];
///Envelope scalefactors
- float env_facs[6][48];
+ AAC_FLOAT env_facs[6][48];
///Noise scalefactors
- float noise_facs[3][5];
+ AAC_FLOAT noise_facs[3][5];
///Envelope time borders
uint8_t t_env[8];
///Envelope time border of the last envelope of the previous frame
*/
typedef struct AACSBRContext {
int (*sbr_lf_gen)(AACContext *ac, SpectralBandReplication *sbr,
- float X_low[32][40][2], const float W[2][32][32][2],
+ INTFLOAT X_low[32][40][2], const INTFLOAT W[2][32][32][2],
int buf_idx);
- void (*sbr_hf_assemble)(float Y1[38][64][2],
- const float X_high[64][40][2],
+ void (*sbr_hf_assemble)(INTFLOAT Y1[38][64][2],
+ const INTFLOAT X_high[64][40][2],
SpectralBandReplication *sbr, SBRData *ch_data,
const int e_a[2]);
- int (*sbr_x_gen)(SpectralBandReplication *sbr, float X[2][38][64],
- const float Y0[38][64][2], const float Y1[38][64][2],
- const float X_low[32][40][2], int ch);
+ int (*sbr_x_gen)(SpectralBandReplication *sbr, INTFLOAT X[2][38][64],
+ const INTFLOAT Y0[38][64][2], const INTFLOAT Y1[38][64][2],
+ const INTFLOAT X_low[32][40][2], int ch);
void (*sbr_hf_inverse_filter)(SBRDSPContext *dsp,
- float (*alpha0)[2], float (*alpha1)[2],
- const float X_low[32][40][2], int k0);
+ INTFLOAT (*alpha0)[2], INTFLOAT (*alpha1)[2],
+ const INTFLOAT X_low[32][40][2], int k0);
} AACSBRContext;
/**
unsigned bs_smoothing_mode;
/** @} */
unsigned bs_coupling;
- unsigned k[5]; ///< k0, k1, k2
+ AAC_SIGNE k[5]; ///< k0, k1, k2
///kx', and kx respectively, kx is the first QMF subband where SBR is used.
///kx' is its value from the previous frame
- unsigned kx[2];
+ AAC_SIGNE kx[2];
///M' and M respectively, M is the number of QMF subbands that use SBR.
- unsigned m[2];
+ AAC_SIGNE m[2];
unsigned kx_and_m_pushed;
///The number of frequency bands in f_master
- unsigned n_master;
+ AAC_SIGNE n_master;
SBRData data[2];
PSContext ps;
///N_Low and N_High respectively, the number of frequency bands for low and high resolution
- unsigned n[2];
+ AAC_SIGNE n[2];
///Number of noise floor bands
- unsigned n_q;
+ AAC_SIGNE n_q;
///Number of limiter bands
- unsigned n_lim;
+ AAC_SIGNE n_lim;
///The master QMF frequency grouping
uint16_t f_master[49];
///Frequency borders for low resolution SBR
uint16_t f_tablenoise[6];
///Frequency borders for the limiter
uint16_t f_tablelim[30];
- unsigned num_patches;
+ AAC_SIGNE num_patches;
uint8_t patch_num_subbands[6];
uint8_t patch_start_subband[6];
///QMF low frequency input to the HF generator
- DECLARE_ALIGNED(16, float, X_low)[32][40][2];
+ DECLARE_ALIGNED(16, INTFLOAT, X_low)[32][40][2];
///QMF output of the HF generator
- DECLARE_ALIGNED(16, float, X_high)[64][40][2];
+ DECLARE_ALIGNED(16, INTFLOAT, X_high)[64][40][2];
///QMF values of the reconstructed signal
- DECLARE_ALIGNED(16, float, X)[2][2][38][64];
+ DECLARE_ALIGNED(16, INTFLOAT, X)[2][2][38][64];
///Zeroth coefficient used to filter the subband signals
- DECLARE_ALIGNED(16, float, alpha0)[64][2];
+ DECLARE_ALIGNED(16, INTFLOAT, alpha0)[64][2];
///First coefficient used to filter the subband signals
- DECLARE_ALIGNED(16, float, alpha1)[64][2];
+ DECLARE_ALIGNED(16, INTFLOAT, alpha1)[64][2];
///Dequantized envelope scalefactors, remapped
- float e_origmapped[7][48];
+ AAC_FLOAT e_origmapped[7][48];
///Dequantized noise scalefactors, remapped
- float q_mapped[7][48];
+ AAC_FLOAT q_mapped[7][48];
///Sinusoidal presence, remapped
uint8_t s_mapped[7][48];
///Estimated envelope
- float e_curr[7][48];
+ AAC_FLOAT e_curr[7][48];
///Amplitude adjusted noise scalefactors
- float q_m[7][48];
+ AAC_FLOAT q_m[7][48];
///Sinusoidal levels
- float s_m[7][48];
- float gain[7][48];
- DECLARE_ALIGNED(32, float, qmf_filter_scratch)[5][64];
+ AAC_FLOAT s_m[7][48];
+ AAC_FLOAT gain[7][48];
+ DECLARE_ALIGNED(32, INTFLOAT, qmf_filter_scratch)[5][64];
FFTContext mdct_ana;
FFTContext mdct;
SBRDSPContext dsp;
projects / ffmpeg / blobdiff