x86: Add asm for mbtree fixed point conversion

[x264] / encoder / ratecontrol.c

diff --git a/encoder/ratecontrol.c b/encoder/ratecontrol.c
index 436f35501707b347eea10131a1e5b5a61d5e8e43..723350c5f6af77b2a3dbab5c83e34927e85e4e4f 100644 (file)
--- a/encoder/ratecontrol.c
+++ b/encoder/ratecontrol.c
@@ -565,11 +565,7 @@ int x264_macroblock_tree_read( x264_t *h, x264_frame_t *frame, float *quant_offs
         }
 
         float *dst = rc->mbtree.rescale_enabled ? rc->mbtree.scale_buffer[0] : frame->f_qp_offset;
-        for( int i = 0; i < rc->mbtree.src_mb_count; i++ )
-        {
-            int16_t qp_fix8 = endian_fix16( rc->mbtree.qp_buffer[rc->mbtree.qpbuf_pos][i] );
-            dst[i] = qp_fix8 * (1.f/256.f);
-        }
+        h->mc.mbtree_fix8_unpack( dst, rc->mbtree.qp_buffer[rc->mbtree.qpbuf_pos], rc->mbtree.src_mb_count );
         if( rc->mbtree.rescale_enabled )
             x264_macroblock_tree_rescale( h, rc, frame->f_qp_offset );
         if( h->frames.b_have_lowres )
@@ -1889,9 +1885,7 @@ int x264_ratecontrol_end( x264_t *h, int bits, int *filler )
         if( h->param.rc.b_mb_tree && h->fenc->b_kept_as_ref && !h->param.rc.b_stat_read )
         {
             uint8_t i_type = h->sh.i_type;
-            /* Values are stored as big-endian FIX8.8 */
-            for( int i = 0; i < h->mb.i_mb_count; i++ )
-                rc->mbtree.qp_buffer[0][i] = endian_fix16( (int16_t)(h->fenc->f_qp_offset[i]*256.0) );
+            h->mc.mbtree_fix8_pack( rc->mbtree.qp_buffer[0], h->fenc->f_qp_offset, h->mb.i_mb_count );
             if( fwrite( &i_type, 1, 1, rc->p_mbtree_stat_file_out ) < 1 )
                 goto fail;
             if( fwrite( rc->mbtree.qp_buffer[0], sizeof(uint16_t), h->mb.i_mb_count, rc->p_mbtree_stat_file_out ) < h->mb.i_mb_count )