generic-library/vpx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Merge remote branch 'internal/upstream' into HEAD

Browse Source
This commit is contained in:
John Koleszar 2011-01-05 00:05:13 -05:00
commit 9f0b9c6378
2 changed files with 27 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
vp8/encoder/firstpass.c
View File

@ -53,9 +53,11 @@ extern const int vp8_gf_boost_qadjustment[QINDEX_RANGE];
#define IIFACTOR 1.4
#define IIKFACTOR1 1.40
#define IIKFACTOR2 1.5
#define RMAX 14.0
#define GF_RMAX 48.0 // 128.0
#define RMAX 14.0
#define GF_RMAX 48.0
#define KF_MB_INTRA_MIN 300
#define GF_MB_INTRA_MIN 200
#define DOUBLE_DIVIDE_CHECK(X) ((X)<0?(X)-.000001:(X)+.000001)
#define POW1 (double)cpi->oxcf.two_pass_vbrbias/100.0
@ -1147,6 +1149,13 @@ void vp8_init_second_pass(VP8_COMP *cpi)
cpi->bits_left -= (long long)(cpi->total_stats->duration * two_pass_min_rate / 10000000.0);
cpi->clip_bits_total = cpi->bits_left;
// Calculate a minimum intra value to be used in determining the IIratio
// scores used in the second pass. We have this minimum to make sure
// that clips that are static but "low complexity" in the intra domain
// are still boosted appropriately for KF/GF/ARF
cpi->kf_intra_err_min = KF_MB_INTRA_MIN * cpi->common.MBs;
cpi->gf_intra_err_min = GF_MB_INTRA_MIN * cpi->common.MBs;
vp8_avg_stats(cpi->total_stats);
// Scan the first pass file and calculate an average Intra / Inter error score ratio for the sequence
@ -1317,6 +1326,13 @@ static void define_gf_group(VP8_COMP *cpi, FIRSTPASS_STATS *this_frame)
// Underlying boost factor is based on inter intra error ratio
r = (boost_factor * (next_frame.intra_error / DOUBLE_DIVIDE_CHECK(next_frame.coded_error)));
if (next_frame.intra_error > cpi->gf_intra_err_min)
r = (IIKFACTOR2 * next_frame.intra_error /
DOUBLE_DIVIDE_CHECK(next_frame.coded_error));
else
r = (IIKFACTOR2 * cpi->gf_intra_err_min /
DOUBLE_DIVIDE_CHECK(next_frame.coded_error));
// Increase boost for frames where new data coming into frame (eg zoom out)
// Slightly reduce boost if there is a net balance of motion out of the frame (zoom in)
// The range for this_frame_mv_in_out is -1.0 to +1.0
@ -2302,7 +2318,12 @@ void vp8_find_next_key_frame(VP8_COMP *cpi, FIRSTPASS_STATS *this_frame)
if (EOF == vp8_input_stats(cpi, &next_frame))
break;
r = (IIKFACTOR2 * next_frame.intra_error / DOUBLE_DIVIDE_CHECK(next_frame.coded_error)) ;
if (next_frame.intra_error > cpi->kf_intra_err_min)
r = (IIKFACTOR2 * next_frame.intra_error /
DOUBLE_DIVIDE_CHECK(next_frame.coded_error));
else
r = (IIKFACTOR2 * cpi->kf_intra_err_min /
DOUBLE_DIVIDE_CHECK(next_frame.coded_error));
if (r > RMAX)
r = RMAX;
@ -2443,7 +2464,7 @@ void vp8_find_next_key_frame(VP8_COMP *cpi, FIRSTPASS_STATS *this_frame)
kf_boost = (int)((double)kf_boost * 100.0) >> 4; // Scale 16 to 100
// Adjustment to boost based on recent average q
kf_boost = kf_boost * vp8_kf_boost_qadjustment[cpi->ni_av_qi] / 100;
//kf_boost = kf_boost * vp8_kf_boost_qadjustment[cpi->ni_av_qi] / 100;
if (kf_boost < 250) // Min KF boost
kf_boost = 250;

2
vp8/encoder/onyx_int.h
View File

@ -483,6 +483,8 @@ typedef struct
double total_coded_error_left;
double start_tot_err_left;
double min_error;
double kf_intra_err_min;
double gf_intra_err_min;
double modified_error_total;
double modified_error_used;