static av_always_inline av_flatten void h264_loop_filter_luma_intra_c(uint8_t *pix, int xstride, int ystride, int alpha, int beta) { int d; for( d = 0; d < 16; d++ ) { const int p2 = pix[-3*xstride]; const int p1 = pix[-2*xstride]; const int p0 = pix[-1*xstride]; const int q0 = pix[ 0*xstride]; const int q1 = pix[ 1*xstride]; const int q2 = pix[ 2*xstride]; if( FFABS( p0 - q0 ) < alpha && FFABS( p1 - p0 ) < beta && FFABS( q1 - q0 ) < beta ) { if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){ if( FFABS( p2 - p0 ) < beta) { const int p3 = pix[-4*xstride]; /* p0', p1', p2' */ pix[-1*xstride] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3; pix[-2*xstride] = ( p2 + p1 + p0 + q0 + 2 ) >> 2; pix[-3*xstride] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3; } else { /* p0' */ pix[-1*xstride] = ( 2*p1 + p0 + q1 + 2 ) >> 2; } if( FFABS( q2 - q0 ) < beta) { const int q3 = pix[3*xstride]; /* q0', q1', q2' */ pix[0*xstride] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3; pix[1*xstride] = ( p0 + q0 + q1 + q2 + 2 ) >> 2; pix[2*xstride] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3; } else { /* q0' */ pix[0*xstride] = ( 2*q1 + q0 + p1 + 2 ) >> 2; } }else{ /* p0', q0' */ pix[-1*xstride] = ( 2*p1 + p0 + q1 + 2 ) >> 2; pix[ 0*xstride] = ( 2*q1 + q0 + p1 + 2 ) >> 2; } } pix += ystride; } }
static av_always_inline av_flatten void h264_loop_filter_luma_intra_c(uint8_t *pix, int xstride, int ystride, int alpha, int beta) { int d; for( d = 0; d < 16; d++ ) { const int p2 = pix[-3*xstride]; const int p1 = pix[-2*xstride]; const int p0 = pix[-1*xstride]; const int q0 = pix[ 0*xstride]; const int q1 = pix[ 1*xstride]; const int q2 = pix[ 2*xstride]; if( FFABS( p0 - q0 ) < alpha && FFABS( p1 - p0 ) < beta && FFABS( q1 - q0 ) < beta ) { if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){ if( FFABS( p2 - p0 ) < beta) { const int p3 = pix[-4*xstride];   pix[-1*xstride] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3; pix[-2*xstride] = ( p2 + p1 + p0 + q0 + 2 ) >> 2; pix[-3*xstride] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3; } else {   pix[-1*xstride] = ( 2*p1 + p0 + q1 + 2 ) >> 2; } if( FFABS( q2 - q0 ) < beta) { const int q3 = pix[3*xstride];   pix[0*xstride] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3; pix[1*xstride] = ( p0 + q0 + q1 + q2 + 2 ) >> 2; pix[2*xstride] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3; } else {   pix[0*xstride] = ( 2*q1 + q0 + p1 + 2 ) >> 2; } }else{   pix[-1*xstride] = ( 2*p1 + p0 + q1 + 2 ) >> 2; pix[ 0*xstride] = ( 2*q1 + q0 + p1 + 2 ) >> 2; } } pix += ystride; } }