diff options
| -rw-r--r-- | vp9/encoder/vp9_firstpass.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/vp9/encoder/vp9_firstpass.c b/vp9/encoder/vp9_firstpass.c index 24c6f7e88..d09acf78b 100644 --- a/vp9/encoder/vp9_firstpass.c +++ b/vp9/encoder/vp9_firstpass.c @@ -2601,9 +2601,13 @@ static void define_gf_group(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) { // Should we use the alternate reference frame. if (allow_alt_ref && (i < cpi->oxcf.lag_in_frames) && (i >= rc->min_gf_interval)) { + const int forward_frames = (rc->frames_to_key - i >= i - 1) + ? i - 1 + : VPXMAX(0, rc->frames_to_key - i); + // Calculate the boost for alt ref. rc->gfu_boost = - calc_arf_boost(cpi, 0, (i - 1), (i - 1), &f_boost, &b_boost); + calc_arf_boost(cpi, 0, forward_frames, i - 1, &f_boost, &b_boost); rc->source_alt_ref_pending = 1; // Test to see if multi arf is appropriate. |