shithub: libvpx

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vp9: Remove limit on QP on key frame for CBR.

This piece was carried over the VBR routine, for CBR
mode we don't want to apply this limit.

Change-Id: Ib9e9937eabeff8cfd30e11c9bd17444cc2b591aa

--- a/vp9/encoder/vp9_ratectrl.c

+++ b/vp9/encoder/vp9_ratectrl.c

@@ -832,19 +832,6 @@

   *top_index = active_worst_quality;

   *bottom_index = active_best_quality;

-#if LIMIT_QRANGE_FOR_ALTREF_AND_KEY

-  // Limit Q range for the adaptive loop.

-  if (cm->frame_type == KEY_FRAME && !rc->this_key_frame_forced &&

-      !(cm->current_video_frame == 0)) {

-    int qdelta = 0;

-    vpx_clear_system_state();

-    qdelta = vp9_compute_qdelta_by_rate(

-        &cpi->rc, cm->frame_type, active_worst_quality, 2.0, cm->bit_depth);

-    *top_index = active_worst_quality + qdelta;

-    *top_index = (*top_index > *bottom_index) ? *top_index : *bottom_index;

-  }

-#endif

-

   // Special case code to try and match quality with forced key frames

   if (cm->frame_type == KEY_FRAME && rc->this_key_frame_forced) {

     q = rc->last_boosted_qindex;