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Diffstat (limited to 'vp8')
-rw-r--r--vp8/encoder/firstpass.c31
-rw-r--r--vp8/encoder/onyx_int.h1
2 files changed, 28 insertions, 4 deletions
diff --git a/vp8/encoder/firstpass.c b/vp8/encoder/firstpass.c
index 60b352859..ef0399326 100644
--- a/vp8/encoder/firstpass.c
+++ b/vp8/encoder/firstpass.c
@@ -312,7 +312,9 @@ void vp8_output_stats(const VP8_COMP *cpi,
FILE *fpfile;
fpfile = fopen("firstpass.stt", "a");
- fprintf(fpfile, "%12.0f %12.0f %12.0f %12.4f %12.4f %12.4f %12.4f %12.4f %12.4f %12.4f %12.4f %12.4f %12.4f %12.4f %12.0f\n",
+ fprintf(fpfile, "%12.0f %12.0f %12.0f %12.4f %12.4f %12.4f %12.4f
+ %12.4f %12.4f %12.4f %12.4f %12.4f %12.4f %12.4f %12.0f
+ %12.4f\n",
stats->frame,
stats->intra_error,
stats->coded_error,
@@ -320,6 +322,7 @@ void vp8_output_stats(const VP8_COMP *cpi,
stats->pcnt_inter,
stats->pcnt_motion,
stats->pcnt_second_ref,
+ stats->pcnt_neutral,
stats->MVr,
stats->mvr_abs,
stats->MVc,
@@ -327,7 +330,8 @@ void vp8_output_stats(const VP8_COMP *cpi,
stats->MVrv,
stats->MVcv,
stats->mv_in_out_count,
- stats->count);
+ stats->count,
+ stats->duration);
fclose(fpfile);
@@ -359,6 +363,7 @@ void vp8_zero_stats(FIRSTPASS_STATS *section)
section->pcnt_inter = 0.0;
section->pcnt_motion = 0.0;
section->pcnt_second_ref = 0.0;
+ section->pcnt_neutral = 0.0;
section->MVr = 0.0;
section->mvr_abs = 0.0;
section->MVc = 0.0;
@@ -378,6 +383,7 @@ void vp8_accumulate_stats(FIRSTPASS_STATS *section, FIRSTPASS_STATS *frame)
section->pcnt_inter += frame->pcnt_inter;
section->pcnt_motion += frame->pcnt_motion;
section->pcnt_second_ref += frame->pcnt_second_ref;
+ section->pcnt_neutral += frame->pcnt_neutral;
section->MVr += frame->MVr;
section->mvr_abs += frame->mvr_abs;
section->MVc += frame->MVc;
@@ -398,6 +404,7 @@ void vp8_avg_stats(FIRSTPASS_STATS *section)
section->ssim_weighted_pred_err /= section->count;
section->pcnt_inter /= section->count;
section->pcnt_second_ref /= section->count;
+ section->pcnt_neutral /= section->count;
section->pcnt_motion /= section->count;
section->MVr /= section->count;
section->mvr_abs /= section->count;
@@ -570,6 +577,7 @@ void vp8_first_pass(VP8_COMP *cpi)
int intercount = 0;
int second_ref_count = 0;
int intrapenalty = 256;
+ int neutral_count = 0;
int sum_in_vectors = 0;
@@ -726,6 +734,17 @@ void vp8_first_pass(VP8_COMP *cpi)
if (motion_error <= this_error)
{
+ // Keep a count of cases where the inter and intra were
+ // very close and very low. This helps with scene cut
+ // detection for example in cropped clips with black bars
+ // at the sides or top and bottom.
+ if( (((this_error-intrapenalty) * 9) <=
+ (motion_error*10)) &&
+ (this_error < (2*intrapenalty)) )
+ {
+ neutral_count++;
+ }
+
d->bmi.mv.as_mv.row <<= 3;
d->bmi.mv.as_mv.col <<= 3;
this_error = motion_error;
@@ -854,6 +873,7 @@ void vp8_first_pass(VP8_COMP *cpi)
fps.pcnt_inter = 1.0 * (double)intercount / cm->MBs;
fps.pcnt_second_ref = 1.0 * (double)second_ref_count / cm->MBs;
+ fps.pcnt_neutral = 1.0 * (double)neutral_count / cm->MBs;
if (mvcount > 0)
{
@@ -1375,6 +1395,7 @@ double get_prediction_decay_rate(VP8_COMP *cpi, FIRSTPASS_STATS *next_frame)
return prediction_decay_rate;
}
+
// Funtion to test for a condition where a complex transition is followe
// by a static section. For example in slide shows where there is a fade
// between slides. This is to help with more optimal kf and gf positioning.
@@ -2295,7 +2316,7 @@ static BOOL test_candidate_kf(VP8_COMP *cpi, FIRSTPASS_STATS *last_frame, FIRST
(next_frame->pcnt_second_ref < 0.10) &&
((this_frame->pcnt_inter < 0.05) ||
(
- (this_frame->pcnt_inter < .25) &&
+ ((this_frame->pcnt_inter - this_frame->pcnt_neutral) < .25) &&
((this_frame->intra_error / DOUBLE_DIVIDE_CHECK(this_frame->coded_error)) < 2.5) &&
((fabs(last_frame->coded_error - this_frame->coded_error) / DOUBLE_DIVIDE_CHECK(this_frame->coded_error) > .40) ||
(fabs(last_frame->intra_error - this_frame->intra_error) / DOUBLE_DIVIDE_CHECK(this_frame->intra_error) > .40) ||
@@ -2342,7 +2363,9 @@ static BOOL test_candidate_kf(VP8_COMP *cpi, FIRSTPASS_STATS *last_frame, FIRST
// Test various breakout clauses
if ((local_next_frame.pcnt_inter < 0.05) ||
(next_iiratio < 1.5) ||
- ((local_next_frame.pcnt_inter < 0.20) && (next_iiratio < 3.0)) ||
+ (((local_next_frame.pcnt_inter -
+ local_next_frame.pcnt_neutral) < 0.20) &&
+ (next_iiratio < 3.0)) ||
((boost_score - old_boost_score) < 0.5) ||
(local_next_frame.intra_error < 200)
)
diff --git a/vp8/encoder/onyx_int.h b/vp8/encoder/onyx_int.h
index b66131d15..6d0cbd9fc 100644
--- a/vp8/encoder/onyx_int.h
+++ b/vp8/encoder/onyx_int.h
@@ -99,6 +99,7 @@ typedef struct
double pcnt_inter;
double pcnt_motion;
double pcnt_second_ref;
+ double pcnt_neutral;
double MVr;
double mvr_abs;
double MVc;