shithub: libvpx

Download patch

ref: 80a3e2615ae5da48c09a71be6bce106e24c2bcf5
parent: e7fc39fdf5c16d3559045fb200c3cb00c4b2bc77
author: Marco <marpan@google.com>
date: Fri Nov 20 03:44:19 EST 2015 

vp9-svc: Fix the setting of is_key_frame.

Change on affects 1 pass CBR.
On key frame, temporal layer_id is reset to 0 for 1 pass CBR,
but since "layer" is reset, the svc.layer_context[layer].is_key_frame
was not correspondingly set properly.

Change-Id: I08f6da0a55ac7429ccfbaddfb7be14479e43543b


--- a/vp9/encoder/vp9_ratectrl.c
+++ b/vp9/encoder/vp9_ratectrl.c
@@ -1558,7 +1558,7 @@
   VP9_COMMON *const cm = &cpi->common;
   RATE_CONTROL *const rc = &cpi->rc;
   int target = rc->avg_frame_bandwidth;
-  const int layer = LAYER_IDS_TO_IDX(cpi->svc.spatial_layer_id,
+  int layer = LAYER_IDS_TO_IDX(cpi->svc.spatial_layer_id,
       cpi->svc.temporal_layer_id, cpi->svc.number_temporal_layers);
 
   if ((cm->current_video_frame == 0) ||
@@ -1573,8 +1573,10 @@
       cpi->ref_frame_flags &=
           (~VP9_LAST_FLAG & ~VP9_GOLD_FLAG & ~VP9_ALT_FLAG);
     } else if (is_one_pass_cbr_svc(cpi)) {
-      cpi->svc.layer_context[layer].is_key_frame = 1;
       reset_temporal_layer_to_zero(cpi);
+      layer = LAYER_IDS_TO_IDX(cpi->svc.spatial_layer_id,
+           cpi->svc.temporal_layer_id, cpi->svc.number_temporal_layers);
+      cpi->svc.layer_context[layer].is_key_frame = 1;
       cpi->ref_frame_flags &=
                 (~VP9_LAST_FLAG & ~VP9_GOLD_FLAG & ~VP9_ALT_FLAG);
       // Assumption here is that LAST_FRAME is being updated for a keyframe.