diff options
Diffstat (limited to 'libavcodec/adxdec.c')
| -rw-r--r-- | libavcodec/adxdec.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libavcodec/adxdec.c b/libavcodec/adxdec.c index 93bbc6b51b..f9f17cde95 100644 --- a/libavcodec/adxdec.c +++ b/libavcodec/adxdec.c @@ -59,7 +59,7 @@ static void adx_decode(ADXContext *c, int16_t *out, const uint8_t *in, int ch) s2 = prev->s2; for (i = 0; i < 32; i++) { d = get_sbits(&gb, 4); - s0 = ((d << COEFF_BITS) * scale + COEFF1 * s1 - COEFF2 * s2) >> COEFF_BITS; + s0 = ((d << COEFF_BITS) * scale + c->coeff[0] * s1 + c->coeff[1] * s2) >> COEFF_BITS; s2 = s1; s1 = av_clip_int16(s0); *out = s1; @@ -81,7 +81,7 @@ static int adx_decode_header(AVCodecContext *avctx, const uint8_t *buf, int bufsize) { ADXContext *c = avctx->priv_data; - int offset; + int offset, cutoff; if (AV_RB16(buf) != 0x8000) return AVERROR_INVALIDDATA; @@ -98,6 +98,9 @@ static int adx_decode_header(AVCodecContext *avctx, const uint8_t *buf, return AVERROR_INVALIDDATA; avctx->bit_rate = avctx->sample_rate * avctx->channels * 18 * 8 / 32; + cutoff = AV_RB16(buf + 16); + ff_adx_calculate_coeffs(cutoff, avctx->sample_rate, COEFF_BITS, c->coeff); + return offset; } |