diff options
Diffstat (limited to 'libavcodec/aacpsy.c')
| -rw-r--r-- | libavcodec/aacpsy.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/libavcodec/aacpsy.c b/libavcodec/aacpsy.c index f2b525694b..4152b70bbf 100644 --- a/libavcodec/aacpsy.c +++ b/libavcodec/aacpsy.c @@ -557,8 +557,8 @@ static float calc_reduced_thr_3gpp(AacPsyBand *band, float min_snr, /** * Calculate band thresholds as suggested in 3GPP TS26.403 */ -static void psy_3gpp_analyze(FFPsyContext *ctx, int channel, - const float *coefs, const FFPsyWindowInfo *wi) +static void psy_3gpp_analyze_channel(FFPsyContext *ctx, int channel, + const float *coefs, const FFPsyWindowInfo *wi) { AacPsyContext *pctx = (AacPsyContext*) ctx->model_priv_data; AacPsyChannel *pch = &pctx->ch[channel]; @@ -627,7 +627,7 @@ static void psy_3gpp_analyze(FFPsyContext *ctx, int channel, } /* 5.6.1.3.2 "Calculation of the desired perceptual entropy" */ - ctx->pe[channel] = pe; + ctx->ch[channel].entropy = pe; desired_bits = calc_bit_demand(pctx, pe, ctx->bitres.bits, ctx->bitres.size, wi->num_windows == 8); desired_pe = PSY_3GPP_BITS_TO_PE(desired_bits); /* NOTE: PE correction is kept simple. During initial testing it had very @@ -731,7 +731,7 @@ static void psy_3gpp_analyze(FFPsyContext *ctx, int channel, for (w = 0; w < wi->num_windows*16; w += 16) { for (g = 0; g < num_bands; g++) { AacPsyBand *band = &pch->band[w+g]; - FFPsyBand *psy_band = &ctx->psy_bands[channel*PSY_MAX_BANDS+w+g]; + FFPsyBand *psy_band = &ctx->ch[channel].psy_bands[w+g]; psy_band->threshold = band->thr; psy_band->energy = band->energy; @@ -741,6 +741,16 @@ static void psy_3gpp_analyze(FFPsyContext *ctx, int channel, memcpy(pch->prev_band, pch->band, sizeof(pch->band)); } +static void psy_3gpp_analyze(FFPsyContext *ctx, int channel, + const float **coeffs, const FFPsyWindowInfo *wi) +{ + int ch; + FFPsyChannelGroup *group = ff_psy_find_group(ctx, channel); + + for (ch = 0; ch < group->num_ch; ch++) + psy_3gpp_analyze_channel(ctx, channel + ch, coeffs[ch], &wi[ch]); +} + static av_cold void psy_3gpp_end(FFPsyContext *apc) { AacPsyContext *pctx = (AacPsyContext*) apc->model_priv_data; |