Removing 3 unused bits from bitstream.

Change-Id: I9cd21c5c9107d6197caab6949700b29c51658af3

diff --git a/vp9/decoder/vp9_decodframe.c b/vp9/decoder/vp9_decodframe.c
index 2f713d3..2457f79 100644 (file)
--- a/vp9/decoder/vp9_decodframe.c
+++ b/vp9/decoder/vp9_decodframe.c
@@ -1246,8 +1246,6 @@ int vp9_decode_frame(VP9D_COMP *pbi, const uint8_t **p_data_end) {
 
   setup_loopfilter(pc, xd, &header_bc);
 
-  vp9_read_literal(&header_bc, 2);  // unused
-
   setup_quantization(pbi, &header_bc);
 
   // Determine if the golden frame or ARF buffer should be updated and how.
@@ -1343,11 +1341,8 @@ int vp9_decode_frame(VP9D_COMP *pbi, const uint8_t **p_data_end) {
   vp9_setup_block_dptrs(xd);
 
   // clear out the coeff buffer
-  vpx_memset(xd->plane[0].qcoeff, 0, sizeof(xd->plane[0].qcoeff));
-  vpx_memset(xd->plane[1].qcoeff, 0, sizeof(xd->plane[1].qcoeff));
-  vpx_memset(xd->plane[2].qcoeff, 0, sizeof(xd->plane[2].qcoeff));
-
-  vp9_read_bit(&header_bc);  // unused
+  for (i = 0; i < MAX_MB_PLANE; ++i)
+    vp9_zero(xd->plane[i].qcoeff);
 
   vp9_decode_mode_mvs_init(pbi, &header_bc);
 

diff --git a/vp9/encoder/vp9_bitstream.c b/vp9/encoder/vp9_bitstream.c
index 7152ac9..0d5de64 100644 (file)
--- a/vp9/encoder/vp9_bitstream.c
+++ b/vp9/encoder/vp9_bitstream.c
@@ -1930,9 +1930,6 @@ void vp9_pack_bitstream(VP9_COMP *cpi, uint8_t *dest, unsigned long *size) {
     }
   }
 
-  // TODO(jkoleszar): remove these unused bits
-  vp9_write_literal(&header_bc, 0, 2);
-
   // Frame Q baseline quantizer index
   vp9_write_literal(&header_bc, pc->base_qindex, QINDEX_BITS);
 
@@ -2178,9 +2175,6 @@ void vp9_pack_bitstream(VP9_COMP *cpi, uint8_t *dest, unsigned long *size) {
   active_section = 2;
 #endif
 
-  // TODO(jkoleszar): remove this unused bit
-  vp9_write_bit(&header_bc, 1);
-
   vp9_update_skip_probs(cpi);
   for (i = 0; i < MBSKIP_CONTEXTS; ++i) {
     vp9_write_prob(&header_bc, pc->mbskip_pred_probs[i]);