Searched refs:pred_Q13 (Results 1 - 12 of 12) sorted by relevance

/external/chromium_org/third_party/opus/src/silk/
H A Dstereo_find_predictor.c45 opus_int32 nrgx, nrgy, corr, pred_Q13, pred2_Q10; local
56 pred_Q13 = silk_DIV32_varQ( corr, nrgx, 13 );
57 pred_Q13 = silk_LIMIT( pred_Q13, -(1 << 14), 1 << 14 );
58 pred2_Q10 = silk_SMULWB( pred_Q13, pred_Q13 );
69 nrgy = silk_SUB_LSHIFT32( nrgy, silk_SMULWB( corr, pred_Q13 ), 3 + 1 );
78 return pred_Q13;
H A Dstereo_quant_pred.c36 opus_int32 pred_Q13[], /* I/O Predictors (out: quantized) */
53 err_Q13 = silk_abs( pred_Q13[ n ] - lvl_Q13 );
68 pred_Q13[ n ] = quant_pred_Q13;
72 pred_Q13[ 0 ] -= pred_Q13[ 1 ];
35 silk_stereo_quant_pred( opus_int32 pred_Q13[], opus_int8 ix[ 2 ][ 3 ] ) argument
H A Dstereo_decode_pred.c37 opus_int32 pred_Q13[] /* O Predictors */
58 pred_Q13[ n ] = silk_SMLABB( low_Q13, step_Q13, 2 * ix[ n ][ 1 ] + 1 );
62 pred_Q13[ 0 ] -= pred_Q13[ 1 ];
H A Dstereo_LR_to_MS.c51 opus_int32 sum, diff, smooth_coef_Q16, pred_Q13[ 2 ], pred0_Q13, pred1_Q13; local
101 pred_Q13[ 0 ] = silk_stereo_find_predictor( &LP_ratio_Q14, LP_mid, LP_side, &state->mid_side_amp_Q0[ 0 ], frame_length, smooth_coef_Q16 );
102 pred_Q13[ 1 ] = silk_stereo_find_predictor( &HP_ratio_Q14, HP_mid, HP_side, &state->mid_side_amp_Q0[ 2 ], frame_length, smooth_coef_Q16 );
138 pred_Q13[ 0 ] = 0;
139 pred_Q13[ 1 ] = 0;
140 silk_stereo_quant_pred( pred_Q13, ix );
146 pred_Q13[ 0 ] = silk_RSHIFT( silk_SMULBB( state->smth_width_Q14, pred_Q13[ 0 ] ), 14 );
147 pred_Q13[ 1 ] = silk_RSHIFT( silk_SMULBB( state->smth_width_Q14, pred_Q13[
[all...]
H A Dstereo_MS_to_LR.c39 const opus_int32 pred_Q13[], /* I Predictors */
57 delta0_Q13 = silk_RSHIFT_ROUND( silk_SMULBB( pred_Q13[ 0 ] - state->pred_prev_Q13[ 0 ], denom_Q16 ), 16 );
58 delta1_Q13 = silk_RSHIFT_ROUND( silk_SMULBB( pred_Q13[ 1 ] - state->pred_prev_Q13[ 1 ], denom_Q16 ), 16 );
67 pred0_Q13 = pred_Q13[ 0 ];
68 pred1_Q13 = pred_Q13[ 1 ];
75 state->pred_prev_Q13[ 0 ] = pred_Q13[ 0 ];
76 state->pred_prev_Q13[ 1 ] = pred_Q13[ 1 ];
35 silk_stereo_MS_to_LR( stereo_dec_state *state, opus_int16 x1[], opus_int16 x2[], const opus_int32 pred_Q13[], opus_int fs_kHz, opus_int frame_length ) argument
H A Dmain.h61 const opus_int32 pred_Q13[], /* I Predictors */
78 opus_int32 pred_Q13[], /* I/O Predictors (out: quantized) */
97 opus_int32 pred_Q13[] /* O Predictors */
/external/libopus/silk/
H A Dstereo_find_predictor.c45 opus_int32 nrgx, nrgy, corr, pred_Q13, pred2_Q10; local
56 pred_Q13 = silk_DIV32_varQ( corr, nrgx, 13 );
57 pred_Q13 = silk_LIMIT( pred_Q13, -(1 << 14), 1 << 14 );
58 pred2_Q10 = silk_SMULWB( pred_Q13, pred_Q13 );
69 nrgy = silk_SUB_LSHIFT32( nrgy, silk_SMULWB( corr, pred_Q13 ), 3 + 1 );
78 return pred_Q13;
H A Dstereo_quant_pred.c36 opus_int32 pred_Q13[], /* I/O Predictors (out: quantized) */
53 err_Q13 = silk_abs( pred_Q13[ n ] - lvl_Q13 );
68 pred_Q13[ n ] = quant_pred_Q13;
72 pred_Q13[ 0 ] -= pred_Q13[ 1 ];
35 silk_stereo_quant_pred( opus_int32 pred_Q13[], opus_int8 ix[ 2 ][ 3 ] ) argument
H A Dstereo_decode_pred.c37 opus_int32 pred_Q13[] /* O Predictors */
58 pred_Q13[ n ] = silk_SMLABB( low_Q13, step_Q13, 2 * ix[ n ][ 1 ] + 1 );
62 pred_Q13[ 0 ] -= pred_Q13[ 1 ];
H A Dstereo_LR_to_MS.c51 opus_int32 sum, diff, smooth_coef_Q16, pred_Q13[ 2 ], pred0_Q13, pred1_Q13; local
101 pred_Q13[ 0 ] = silk_stereo_find_predictor( &LP_ratio_Q14, LP_mid, LP_side, &state->mid_side_amp_Q0[ 0 ], frame_length, smooth_coef_Q16 );
102 pred_Q13[ 1 ] = silk_stereo_find_predictor( &HP_ratio_Q14, HP_mid, HP_side, &state->mid_side_amp_Q0[ 2 ], frame_length, smooth_coef_Q16 );
138 pred_Q13[ 0 ] = 0;
139 pred_Q13[ 1 ] = 0;
140 silk_stereo_quant_pred( pred_Q13, ix );
146 pred_Q13[ 0 ] = silk_RSHIFT( silk_SMULBB( state->smth_width_Q14, pred_Q13[ 0 ] ), 14 );
147 pred_Q13[ 1 ] = silk_RSHIFT( silk_SMULBB( state->smth_width_Q14, pred_Q13[
[all...]
H A Dstereo_MS_to_LR.c39 const opus_int32 pred_Q13[], /* I Predictors */
57 delta0_Q13 = silk_RSHIFT_ROUND( silk_SMULBB( pred_Q13[ 0 ] - state->pred_prev_Q13[ 0 ], denom_Q16 ), 16 );
58 delta1_Q13 = silk_RSHIFT_ROUND( silk_SMULBB( pred_Q13[ 1 ] - state->pred_prev_Q13[ 1 ], denom_Q16 ), 16 );
67 pred0_Q13 = pred_Q13[ 0 ];
68 pred1_Q13 = pred_Q13[ 1 ];
75 state->pred_prev_Q13[ 0 ] = pred_Q13[ 0 ];
76 state->pred_prev_Q13[ 1 ] = pred_Q13[ 1 ];
35 silk_stereo_MS_to_LR( stereo_dec_state *state, opus_int16 x1[], opus_int16 x2[], const opus_int32 pred_Q13[], opus_int fs_kHz, opus_int frame_length ) argument
H A Dmain.h61 const opus_int32 pred_Q13[], /* I Predictors */
78 opus_int32 pred_Q13[], /* I/O Predictors (out: quantized) */
97 opus_int32 pred_Q13[] /* O Predictors */

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