From 582ac86d19c61ad73c2e1a2d5ed54a5fe1e20bd1 Mon Sep 17 00:00:00 2001 From: Peter Ross Date: Sun, 20 Feb 2011 12:24:25 +1100 Subject: [PATCH] binkaudio: perform band table scaling in decode_init Signed-off-by: Ronald S. Bultje --- libavcodec/binkaudio.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/libavcodec/binkaudio.c b/libavcodec/binkaudio.c index 39517f7..fb442c0 100644 --- a/libavcodec/binkaudio.c +++ b/libavcodec/binkaudio.c @@ -114,10 +114,10 @@ static av_cold int decode_init(AVCodecContext *avctx) return AVERROR(ENOMEM); /* populate bands data */ - s->bands[0] = 1; + s->bands[0] = 2; for (i = 1; i < s->num_bands; i++) - s->bands[i] = ff_wma_critical_freqs[i - 1] * (s->frame_len / 2) / sample_rate_half; - s->bands[s->num_bands] = s->frame_len / 2; + s->bands[i] = (ff_wma_critical_freqs[i - 1] * s->frame_len / sample_rate_half) & ~1; + s->bands[s->num_bands] = s->frame_len; s->first = 1; avctx->sample_fmt = AV_SAMPLE_FMT_S16; @@ -194,11 +194,11 @@ static void decode_block(BinkAudioContext *s, short *out, int use_dct) if (width == 0) { memset(coeffs + i, 0, (j - i) * sizeof(*coeffs)); i = j; - while (s->bands[k] * 2 < i) + while (s->bands[k] < i) q = quant[k++]; } else { while (i < j) { - if (s->bands[k] * 2 == i) + if (s->bands[k] == i) q = quant[k++]; coeff = get_bits(gb, width); if (coeff) { -- 2.7.4