shithub: libvpx

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Remove unnecessary scale check in set_ref.

Scale check has been done in read_inter_block_mode_info.

Change-Id: I6c86f93bd579109ed30ff13a04a30e35f5ae6fc5

--- a/vp9/decoder/vp9_decodeframe.c

+++ b/vp9/decoder/vp9_decodeframe.c

@@ -389,9 +389,6 @@

   MB_MODE_INFO *const mbmi = &xd->mi[0].src_mi->mbmi;

   RefBuffer *ref_buffer = &cm->frame_refs[mbmi->ref_frame[idx] - LAST_FRAME];

   xd->block_refs[idx] = ref_buffer;

-  if (!vp9_is_valid_scale(&ref_buffer->sf))

-    vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,

-                       "Invalid scale factors");

   if (ref_buffer->buf->corrupted)

     vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,

                        "Block reference is corrupt");

--- a/vp9/decoder/vp9_decodemv.c

+++ b/vp9/decoder/vp9_decodemv.c

@@ -436,8 +436,7 @@

   for (ref = 0; ref < 1 + is_compound; ++ref) {

     const MV_REFERENCE_FRAME frame = mbmi->ref_frame[ref];

     const int ref_idx = frame - LAST_FRAME;

-    if (cm->frame_refs[ref_idx].sf.x_scale_fp == REF_INVALID_SCALE ||

-        cm->frame_refs[ref_idx].sf.y_scale_fp == REF_INVALID_SCALE )

+    if ((!vp9_is_valid_scale(&cm->frame_refs[ref_idx].sf)))

       vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,

                          "Reference frame has invalid dimensions");

     vp9_find_mv_refs(cm, xd, tile, mi, frame, mbmi->ref_mvs[frame],