Remove unused functions

Remove estimate_min_frame_size() and calc_low_ss_err(), as they are
never referenced.

Change-Id: I3293363c14ef70b79c4678ca27aa65b345077726

vp8/encoder/onyx_if.c

@@ -5189,35 +5189,6 @@ int vp8_calc_ss_err(YV12_BUFFER_CONFIG *source, YV12_BUFFER_CONFIG *dest, const
 }
 
 
-static int calc_low_ss_err(YV12_BUFFER_CONFIG *source, YV12_BUFFER_CONFIG *dest, const vp8_variance_rtcd_vtable_t *rtcd)
-{
-    int i, j;
-    int Total = 0;
-
-    unsigned char *src = source->y_buffer;
-    unsigned char *dst = dest->y_buffer;
-    (void)rtcd;
-
-    // Loop through the Y plane raw and reconstruction data summing (square differences)
-    for (i = 0; i < source->y_height; i += 16)
-    {
-        for (j = 0; j < source->y_width; j += 16)
-        {
-            unsigned int sse;
-            VARIANCE_INVOKE(rtcd, mse16x16)(src + j, source->y_stride, dst + j, dest->y_stride, &sse);
-
-            if (sse < 8096)
-                Total += sse;
-        }
-
-        src += 16 * source->y_stride;
-        dst += 16 * dest->y_stride;
-    }
-
-    return Total;
-}
-
-
 int vp8_get_quantizer(VP8_PTR c)
 {
     VP8_COMP   *cpi = (VP8_COMP *) c;

vp8/encoder/ratectrl.c

@@ -662,8 +662,6 @@ void vp8_calc_pframe_target_size(VP8_COMP *cpi)
     int min_frame_target;
     int Adjustment;
 
-    // Set the min frame bandwidth.
-    //min_frame_target = estimate_min_frame_size( cpi );
     min_frame_target = 0;
 
     if (cpi->pass == 2)
@@ -1419,39 +1417,6 @@ int vp8_regulate_q(VP8_COMP *cpi, int target_bits_per_frame)
     return Q;
 }
 
-static int estimate_min_frame_size(VP8_COMP *cpi)
-{
-    double correction_factor;
-    int bits_per_mb_at_max_q;
-
-    // This funtion returns a default value for the first few frames untill the correction factor has had time to adapt.
-    if (cpi->common.current_video_frame < 10)
-    {
-        if (cpi->pass == 2)
-            return (cpi->min_frame_bandwidth);
-        else
-            return cpi->per_frame_bandwidth / 3;
-    }
-
-    /*  // Select the appropriate correction factor based upon type of frame.
-        if ( cpi->common.frame_type == KEY_FRAME )
-            correction_factor = cpi->key_frame_rate_correction_factor;
-        else
-        {
-            if ( cpi->common.refresh_alt_ref_frame || cpi->common.refresh_golden_frame )
-                correction_factor = cpi->gf_rate_correction_factor;
-            else
-                correction_factor = cpi->rate_correction_factor;
-        }*/
-
-    // We estimate at half the value we get from vp8_bits_per_mb
-    correction_factor = cpi->rate_correction_factor / 2.0;
-
-    bits_per_mb_at_max_q = (int)(.5 + correction_factor * vp8_bits_per_mb[cpi->common.frame_type][MAXQ]);
-
-    return (bits_per_mb_at_max_q * cpi->common.MBs) >> BPER_MB_NORMBITS;
-}
-
 
 static int estimate_keyframe_frequency(VP8_COMP *cpi)
 {