diff options
| author | Nathan Caldwell | 2010-11-01 07:39:31 +0000 |
|---|---|---|
| committer | Alex Converse | 2010-11-01 07:39:31 +0000 |
| commit | 3ea12f65ba7b68f840f029119c76e718e7c05a3e (patch) | |
| tree | ee79debbf17e2fdae5f3eb8350a419f29ba3aebf /libavcodec/aacpsy.c | |
| parent | a4ece893e18f21dcdaf2d59ae690434be2ab8021 (diff) | |
aacenc: cosmetics: Swap spreading_hi/low name to match the 3GPP spec.
Patch by: Nathan Caldwell <saintdev@gmail.com>
Originally committed as revision 25621 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/aacpsy.c')
| -rw-r--r-- | libavcodec/aacpsy.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/libavcodec/aacpsy.c b/libavcodec/aacpsy.c index a3618ce57f..1f295c08a7 100644 --- a/libavcodec/aacpsy.c +++ b/libavcodec/aacpsy.c @@ -39,8 +39,8 @@ * constants for 3GPP AAC psychoacoustic model * @{ */ -#define PSY_3GPP_SPREAD_LOW 1.5f // spreading factor for ascending threshold spreading (15 dB/Bark) -#define PSY_3GPP_SPREAD_HI 3.0f // spreading factor for descending threshold spreading (30 dB/Bark) +#define PSY_3GPP_SPREAD_HI 1.5f // spreading factor for ascending threshold spreading (15 dB/Bark) +#define PSY_3GPP_SPREAD_LOW 3.0f // spreading factor for descending threshold spreading (30 dB/Bark) #define PSY_3GPP_RPEMIN 0.01f #define PSY_3GPP_RPELEV 2.0f @@ -414,9 +414,9 @@ static void psy_3gpp_analyze(FFPsyContext *ctx, int channel, for (w = 0; w < wi->num_windows*16; w += 16) { AacPsyBand *band = &pch->band[w]; for (g = 1; g < num_bands; g++) - band[g].thr = FFMAX(band[g].thr, band[g-1].thr * coeffs->spread_low[g-1]); + band[g].thr = FFMAX(band[g].thr, band[g-1].thr * coeffs->spread_hi [g-1]); for (g = num_bands - 2; g >= 0; g--) - band[g].thr = FFMAX(band[g].thr, band[g+1].thr * coeffs->spread_hi [g]); + band[g].thr = FFMAX(band[g].thr, band[g+1].thr * coeffs->spread_low[g]); for (g = 0; g < num_bands; g++) { band[g].thr_quiet = band[g].thr = FFMAX(band[g].thr, coeffs->ath[g]); if (!(wi->window_type[0] == LONG_STOP_SEQUENCE || (wi->window_type[1] == LONG_START_SEQUENCE && !w))) |