shithub: libvpx

Download patch

ref: 31afc7706356f1953258911e0dd472a538cbce09
parent: 13c6d1a8c80bea1eccf21bbd267afbb3825d2797
author: Yaowu Xu <yaowu@google.com>
date: Tue Apr 17 05:26:19 EDT 2012

Added intra mode probabilites into coding_context

These contexts need to be saved and restored for recode, otherwise
encoder/decoder mismatch happens for some clips (eg._mobcal 720p)

Change-Id: Ic65cfa0bf56ed0472ecab962ce31394d59d344bf

--- a/vp8/encoder/onyx_int.h
+++ b/vp8/encoder/onyx_int.h
@@ -90,6 +90,13 @@
     vp8_prob coef_probs_8x8[BLOCK_TYPES]
                            [COEF_BANDS][PREV_COEF_CONTEXTS][ENTROPY_NODES];
 
+    vp8_prob ymode_prob [VP8_YMODES-1];   /* interframe intra mode probs */
+#if CONFIG_UVINTRA
+    vp8_prob uv_mode_prob [VP8_YMODES][VP8_UV_MODES-1];
+#else
+    vp8_prob uv_mode_prob [VP8_UV_MODES-1];
+#endif
+
     int mv_ref_ct[6][4][2];
     int mode_context[6][4];
     int mv_ref_ct_a[6][4][2];
--- a/vp8/encoder/ratectrl.c
+++ b/vp8/encoder/ratectrl.c
@@ -155,6 +155,9 @@
     vp8_copy( cc->mv_ref_ct_a, cm->mv_ref_ct_a );
     vp8_copy( cc->mode_context_a, cm->mode_context_a );
 
+    vp8_copy( cc->ymode_prob, cm->fc.ymode_prob );
+    vp8_copy( cc->uv_mode_prob, cm->fc.uv_mode_prob );
+
     // Stats
 #ifdef MODE_STATS
     vp8_copy(cc->y_modes,       y_modes);
@@ -200,6 +203,9 @@
     vp8_copy( cm->mode_context, cc->mode_context );
     vp8_copy( cm->mv_ref_ct_a, cc->mv_ref_ct_a );
     vp8_copy( cm->mode_context_a, cc->mode_context_a );
+
+    vp8_copy( cm->fc.ymode_prob, cc->ymode_prob);
+    vp8_copy( cm->fc.uv_mode_prob, cc->uv_mode_prob);
 
     // Stats
 #ifdef MODE_STATS
--