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b188579bb6
commit
a8b1099a1e
228 changed files with 10990 additions and 5670 deletions
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@ -44,7 +44,7 @@ void silk_find_pitch_lags_FIX(
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{
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opus_int buf_len, i, scale;
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opus_int32 thrhld_Q13, res_nrg;
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const opus_int16 *x_buf, *x_buf_ptr;
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const opus_int16 *x_ptr;
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VARDECL( opus_int16, Wsig );
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opus_int16 *Wsig_ptr;
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opus_int32 auto_corr[ MAX_FIND_PITCH_LPC_ORDER + 1 ];
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@ -59,9 +59,7 @@ void silk_find_pitch_lags_FIX(
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buf_len = psEnc->sCmn.la_pitch + psEnc->sCmn.frame_length + psEnc->sCmn.ltp_mem_length;
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/* Safety check */
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silk_assert( buf_len >= psEnc->sCmn.pitch_LPC_win_length );
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x_buf = x - psEnc->sCmn.ltp_mem_length;
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celt_assert( buf_len >= psEnc->sCmn.pitch_LPC_win_length );
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/*************************************/
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/* Estimate LPC AR coefficients */
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@ -72,19 +70,19 @@ void silk_find_pitch_lags_FIX(
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ALLOC( Wsig, psEnc->sCmn.pitch_LPC_win_length, opus_int16 );
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/* First LA_LTP samples */
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x_buf_ptr = x_buf + buf_len - psEnc->sCmn.pitch_LPC_win_length;
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x_ptr = x + buf_len - psEnc->sCmn.pitch_LPC_win_length;
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Wsig_ptr = Wsig;
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silk_apply_sine_window( Wsig_ptr, x_buf_ptr, 1, psEnc->sCmn.la_pitch );
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silk_apply_sine_window( Wsig_ptr, x_ptr, 1, psEnc->sCmn.la_pitch );
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/* Middle un - windowed samples */
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Wsig_ptr += psEnc->sCmn.la_pitch;
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x_buf_ptr += psEnc->sCmn.la_pitch;
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silk_memcpy( Wsig_ptr, x_buf_ptr, ( psEnc->sCmn.pitch_LPC_win_length - silk_LSHIFT( psEnc->sCmn.la_pitch, 1 ) ) * sizeof( opus_int16 ) );
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x_ptr += psEnc->sCmn.la_pitch;
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silk_memcpy( Wsig_ptr, x_ptr, ( psEnc->sCmn.pitch_LPC_win_length - silk_LSHIFT( psEnc->sCmn.la_pitch, 1 ) ) * sizeof( opus_int16 ) );
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/* Last LA_LTP samples */
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Wsig_ptr += psEnc->sCmn.pitch_LPC_win_length - silk_LSHIFT( psEnc->sCmn.la_pitch, 1 );
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x_buf_ptr += psEnc->sCmn.pitch_LPC_win_length - silk_LSHIFT( psEnc->sCmn.la_pitch, 1 );
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silk_apply_sine_window( Wsig_ptr, x_buf_ptr, 2, psEnc->sCmn.la_pitch );
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x_ptr += psEnc->sCmn.pitch_LPC_win_length - silk_LSHIFT( psEnc->sCmn.la_pitch, 1 );
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silk_apply_sine_window( Wsig_ptr, x_ptr, 2, psEnc->sCmn.la_pitch );
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/* Calculate autocorrelation sequence */
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silk_autocorr( auto_corr, &scale, Wsig, psEnc->sCmn.pitch_LPC_win_length, psEnc->sCmn.pitchEstimationLPCOrder + 1, arch );
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@ -112,7 +110,7 @@ void silk_find_pitch_lags_FIX(
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/*****************************************/
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/* LPC analysis filtering */
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/*****************************************/
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silk_LPC_analysis_filter( res, x_buf, A_Q12, buf_len, psEnc->sCmn.pitchEstimationLPCOrder, psEnc->sCmn.arch );
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silk_LPC_analysis_filter( res, x, A_Q12, buf_len, psEnc->sCmn.pitchEstimationLPCOrder, psEnc->sCmn.arch );
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if( psEnc->sCmn.indices.signalType != TYPE_NO_VOICE_ACTIVITY && psEnc->sCmn.first_frame_after_reset == 0 ) {
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/* Threshold for pitch estimator */
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