diff options
Diffstat (limited to 'media/libopus/silk/fixed/burg_modified_FIX.c')
| -rw-r--r-- | media/libopus/silk/fixed/burg_modified_FIX.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/media/libopus/silk/fixed/burg_modified_FIX.c b/media/libopus/silk/fixed/burg_modified_FIX.c index 17d0e0993c..185a12b178 100644 --- a/media/libopus/silk/fixed/burg_modified_FIX.c +++ b/media/libopus/silk/fixed/burg_modified_FIX.c @@ -37,7 +37,7 @@ POSSIBILITY OF SUCH DAMAGE. #define MAX_FRAME_SIZE 384 /* subfr_length * nb_subfr = ( 0.005 * 16000 + 16 ) * 4 = 384 */ #define QA 25 -#define N_BITS_HEAD_ROOM 2 +#define N_BITS_HEAD_ROOM 3 #define MIN_RSHIFTS -16 #define MAX_RSHIFTS (32 - QA) @@ -65,10 +65,10 @@ void silk_burg_modified_c( opus_int32 xcorr[ SILK_MAX_ORDER_LPC ]; opus_int64 C0_64; - silk_assert( subfr_length * nb_subfr <= MAX_FRAME_SIZE ); + celt_assert( subfr_length * nb_subfr <= MAX_FRAME_SIZE ); /* Compute autocorrelations, added over subframes */ - C0_64 = silk_inner_prod16_aligned_64( x, x, subfr_length*nb_subfr, arch ); + C0_64 = silk_inner_prod16( x, x, subfr_length*nb_subfr, arch ); lz = silk_CLZ64(C0_64); rshifts = 32 + 1 + N_BITS_HEAD_ROOM - lz; if (rshifts > MAX_RSHIFTS) rshifts = MAX_RSHIFTS; @@ -87,7 +87,7 @@ void silk_burg_modified_c( x_ptr = x + s * subfr_length; for( n = 1; n < D + 1; n++ ) { C_first_row[ n - 1 ] += (opus_int32)silk_RSHIFT64( - silk_inner_prod16_aligned_64( x_ptr, x_ptr + n, subfr_length - n, arch ), rshifts ); + silk_inner_prod16( x_ptr, x_ptr + n, subfr_length - n, arch ), rshifts ); } } } else { @@ -150,7 +150,7 @@ void silk_burg_modified_c( C_first_row[ k ] = silk_MLA( C_first_row[ k ], x1, x_ptr[ n - k - 1 ] ); /* Q( -rshifts ) */ C_last_row[ k ] = silk_MLA( C_last_row[ k ], x2, x_ptr[ subfr_length - n + k ] ); /* Q( -rshifts ) */ Atmp1 = silk_RSHIFT_ROUND( Af_QA[ k ], QA - 17 ); /* Q17 */ - /* We sometimes have get overflows in the multiplications (even beyond +/- 2^32), + /* We sometimes get overflows in the multiplications (even beyond +/- 2^32), but they cancel each other and the real result seems to always fit in a 32-bit signed integer. This was determined experimentally, not theoretically (unfortunately). */ tmp1 = silk_MLA_ovflw( tmp1, x_ptr[ n - k - 1 ], Atmp1 ); /* Q17 */ @@ -253,7 +253,7 @@ void silk_burg_modified_c( if( rshifts > 0 ) { for( s = 0; s < nb_subfr; s++ ) { x_ptr = x + s * subfr_length; - C0 -= (opus_int32)silk_RSHIFT64( silk_inner_prod16_aligned_64( x_ptr, x_ptr, D, arch ), rshifts ); + C0 -= (opus_int32)silk_RSHIFT64( silk_inner_prod16( x_ptr, x_ptr, D, arch ), rshifts ); } } else { for( s = 0; s < nb_subfr; s++ ) { |