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authorJohn Koleszar <jkoleszar@google.com>2011-06-06 07:02:29 -0700
committerCode Review <code-review@webmproject.org>2011-06-06 07:02:29 -0700
commit824e9410c61e25a39d2c19a9418e1740e53c8e8c (patch)
tree230c9990187ad8481825f46b36be21f34376d039 /vp8/encoder/firstpass.c
parent8c5b73de2a3534b2ca964e33b33474c1fd6fb488 (diff)
parent9f002bee53b5372f97b6dbc01f97c598ff585fcf (diff)
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Merge "Don't allow very short GF groups even when the GF is predicted from an ARF."
Diffstat (limited to 'vp8/encoder/firstpass.c')
-rw-r--r--vp8/encoder/firstpass.c37
1 files changed, 18 insertions, 19 deletions
diff --git a/vp8/encoder/firstpass.c b/vp8/encoder/firstpass.c
index ca4acb89b..7b4869534 100644
--- a/vp8/encoder/firstpass.c
+++ b/vp8/encoder/firstpass.c
@@ -1558,6 +1558,24 @@ static void define_gf_group(VP8_COMP *cpi, FIRSTPASS_STATS *this_frame)
cpi->gfu_boost = (int)(boost_score * 100.0) >> 4;
+ // Dont allow conventional gf too near the next kf
+ if ((cpi->twopass.frames_to_key - i) < MIN_GF_INTERVAL)
+ {
+ while (i < cpi->twopass.frames_to_key)
+ {
+ i++;
+
+ if (EOF == input_stats(cpi, this_frame))
+ break;
+
+ if (i < cpi->twopass.frames_to_key)
+ {
+ mod_frame_err = calculate_modified_err(cpi, this_frame);
+ gf_group_err += mod_frame_err;
+ }
+ }
+ }
+
// Should we use the alternate refernce frame
if (allow_alt_ref &&
(i >= MIN_GF_INTERVAL) &&
@@ -1680,25 +1698,6 @@ static void define_gf_group(VP8_COMP *cpi, FIRSTPASS_STATS *this_frame)
cpi->baseline_gf_interval = i;
}
- // Conventional GF
- if (!cpi->source_alt_ref_pending)
- {
- // Dont allow conventional gf too near the next kf
- if ((cpi->twopass.frames_to_key - cpi->baseline_gf_interval) < MIN_GF_INTERVAL)
- {
- while (cpi->baseline_gf_interval < cpi->twopass.frames_to_key)
- {
- if (EOF == input_stats(cpi, this_frame))
- break;
-
- cpi->baseline_gf_interval++;
-
- if (cpi->baseline_gf_interval < cpi->twopass.frames_to_key)
- gf_group_err += calculate_modified_err(cpi, this_frame);
- }
- }
- }
-
// Now decide how many bits should be allocated to the GF group as a proportion of those remaining in the kf group.
// The final key frame group in the clip is treated as a special case where cpi->twopass.kf_group_bits is tied to cpi->twopass.bits_left.
// This is also important for short clips where there may only be one key frame.