Merge "Do not copy data between encoder reference buffers."

diff --cc vp8/common/alloccommon.c
Simple merge

diff --cc vp8/encoder/onyx_if.c
index 15d92899ee09518f3c9e67ec5db4b4074b0c3bc6,46191f065d4ebcc816874971445b6b650ec7cf05..ae3aa0b04db13905393320fb940ce7ff1482e154
--- 1/vp8/encoder/onyx_if.c
--- 2/vp8/encoder/onyx_if.c
+++ b/vp8/encoder/onyx_if.c
@@@ -2649,9 -2657,105 +2649,9 @@@ static void resize_key_frame(VP8_COMP *
  
  #endif
  }
 -// return of 0 means drop frame
 -static int pick_frame_size(VP8_COMP *cpi)
 -{
 -    VP8_COMMON *cm = &cpi->common;
 -
 -    // First Frame is a special case
 -    if (cm->current_video_frame == 0)
 -    {
 -#if !(CONFIG_REALTIME_ONLY)
 -
 -        if (cpi->pass == 2)
 -            vp8_calc_auto_iframe_target_size(cpi);
 -
 -        // 1 Pass there is no information on which to base size so use bandwidth per second * fixed fraction
 -        else
 -#endif
 -            cpi->this_frame_target = cpi->oxcf.target_bandwidth / 2;
 -
 -        // in error resilient mode the first frame is bigger since it likely contains
 -        // all the static background
 -        if (cpi->oxcf.error_resilient_mode == 1 || (cpi->compressor_speed == 2))
 -        {
 -            cpi->this_frame_target *= 3;      // 5;
 -        }
 -
 -        // Key frame from VFW/auto-keyframe/first frame
 -        cm->frame_type = KEY_FRAME;
 -
 -    }
 -    // Special case for forced key frames
 -    // The frame sizing here is still far from ideal for 2 pass.
 -    else if (cm->frame_flags & FRAMEFLAGS_KEY)
 -    {
 -        cm->frame_type = KEY_FRAME;
 -        resize_key_frame(cpi);
 -        vp8_calc_iframe_target_size(cpi);
 -    }
 -    else if (cm->frame_type == KEY_FRAME)
 -    {
 -        vp8_calc_auto_iframe_target_size(cpi);
 -    }
 -    else
 -    {
 -        // INTER frame: compute target frame size
 -        cm->frame_type = INTER_FRAME;
 -        vp8_calc_pframe_target_size(cpi);
 -
 -        // Check if we're dropping the frame:
 -        if (cpi->drop_frame)
 -        {
 -            cpi->drop_frame = FALSE;
 -            cpi->drop_count++;
 -            return 0;
 -        }
 -    }
 -
 -    return 1;
 -}
  
 -static void set_quantizer(VP8_COMP *cpi, int Q)
 -{
 -    VP8_COMMON *cm = &cpi->common;
 -    MACROBLOCKD *mbd = &cpi->mb.e_mbd;
 -    int update = 0;
 -    int new_delta_q;
 -    cm->base_qindex = Q;
 -
 -    /* if any of the delta_q values are changing update flag has to be set */
 -    /* currently only y2dc_delta_q may change */
 -
 -    cm->y1dc_delta_q = 0;
 -    cm->y2ac_delta_q = 0;
 -    cm->uvdc_delta_q = 0;
 -    cm->uvac_delta_q = 0;
 -
 -    if (Q < 4)
 -    {
 -        new_delta_q = 4-Q;
 -    }
 -    else
 -        new_delta_q = 0;
 -
 -    update |= cm->y2dc_delta_q != new_delta_q;
 -    cm->y2dc_delta_q = new_delta_q;
 -
 -
 -    // Set Segment specific quatizers
 -    mbd->segment_feature_data[MB_LVL_ALT_Q][0] = cpi->segment_feature_data[MB_LVL_ALT_Q][0];
 -    mbd->segment_feature_data[MB_LVL_ALT_Q][1] = cpi->segment_feature_data[MB_LVL_ALT_Q][1];
 -    mbd->segment_feature_data[MB_LVL_ALT_Q][2] = cpi->segment_feature_data[MB_LVL_ALT_Q][2];
 -    mbd->segment_feature_data[MB_LVL_ALT_Q][3] = cpi->segment_feature_data[MB_LVL_ALT_Q][3];
 -
 -    /* quantizer has to be reinitialized for any delta_q changes */
 -    if(update)
 -        vp8cx_init_quantizer(cpi);
 -
 -}
  
- static void update_alt_ref_frame_and_stats(VP8_COMP *cpi)
+ static void update_alt_ref_frame_stats(VP8_COMP *cpi)
  {
      VP8_COMMON *cm = &cpi->common;