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Merge "Cleaning up vp9_twopass_postencode_update()."

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This commit is contained in:
Dmitry Kovalev
2014-05-20 18:41:14 -07:00
committed by Gerrit Code Review
parent 68ec479eb6 3b62aa4825
commit 55c52f6626
1 changed files with 9 additions and 9 deletions
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18
vp9/encoder/vp9_firstpass.c
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@@ -2269,6 +2269,7 @@ void vp9_rc_get_second_pass_params(VP9_COMP *cpi) {
}
void vp9_twopass_postencode_update(VP9_COMP *cpi) {
TWO_PASS *const twopass = &cpi->twopass;
RATE_CONTROL *const rc = &cpi->rc;
#ifdef LONG_TERM_VBR_CORRECTION
// In this experimental mode, the VBR correction is done exclusively through
@@ -2290,14 +2291,13 @@ void vp9_twopass_postencode_update(VP9_COMP *cpi) {
// vs. actual bitrate gradually as we progress towards the end of the
// sequence in order to mitigate this effect.
const double progress =
(double)(cpi->twopass.stats_in - cpi->twopass.stats_in_start) /
(cpi->twopass.stats_in_end - cpi->twopass.stats_in_start);
(double)(twopass->stats_in - twopass->stats_in_start) /
(twopass->stats_in_end - twopass->stats_in_start);
const int bits_used = (int)(progress * rc->this_frame_target +
(1.0 - progress) * rc->projected_frame_size);
#endif
cpi->twopass.bits_left -= bits_used;
cpi->twopass.bits_left = MAX(cpi->twopass.bits_left, 0);
twopass->bits_left = MAX(twopass->bits_left - bits_used, 0);
#ifdef LONG_TERM_VBR_CORRECTION
if (cpi->common.frame_type != KEY_FRAME &&
@@ -2307,12 +2307,12 @@ void vp9_twopass_postencode_update(VP9_COMP *cpi) {
vp9_is_upper_layer_key_frame(cpi)) {
// For key frames kf_group_bits already had the target bits subtracted out.
// So now update to the correct value based on the actual bits used.
cpi->twopass.kf_group_bits += cpi->rc.this_frame_target - bits_used;
twopass->kf_group_bits += rc->this_frame_target - bits_used;
} else {
#endif
cpi->twopass.kf_group_bits -= bits_used;
cpi->twopass.gf_group_bits -= bits_used;
cpi->twopass.gf_group_bits = MAX(cpi->twopass.gf_group_bits, 0);
twopass->kf_group_bits -= bits_used;
twopass->gf_group_bits -= bits_used;
twopass->gf_group_bits = MAX(twopass->gf_group_bits, 0);
}
cpi->twopass.kf_group_bits = MAX(cpi->twopass.kf_group_bits, 0);
twopass->kf_group_bits = MAX(twopass->kf_group_bits, 0);
}