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dcadec: fix xxch_dmix_coeff and xxch_dmix_sf after merge

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-05-23 19:17:27 +02:00
parent c867be03f6
commit 4e4dbb9983
1 changed files with 6 additions and 6 deletions
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12
libavcodec/dcadec.c
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@ -478,6 +478,8 @@ typedef struct {
FmtConvertContext fmt_conv;
} DCAContext;
static float dca_dmix_code(unsigned code);
static const uint16_t dca_vlc_offs[] = {
0, 512, 640, 768, 1282, 1794, 2436, 3080, 3770, 4454, 5364,
5372, 5380, 5388, 5392, 5396, 5412, 5420, 5428, 5460, 5492, 5508,
@ -568,7 +570,7 @@ static int dca_parse_audio_coding_header(DCAContext *s, int base_channel,
static const int bitlen[11] = { 0, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3 };
static const int thr[11] = { 0, 1, 3, 3, 3, 3, 7, 7, 7, 7, 7 };
int hdr_pos = 0, hdr_size = 0;
float sign, mag, scale_factor;
float scale_factor;
int this_chans, acc_mask;
int embedded_downmix;
int nchans, mask[8];
@ -598,8 +600,8 @@ static int dca_parse_audio_coding_header(DCAContext *s, int base_channel,
/* check for downmixing information */
if (get_bits1(&s->gb)) {
embedded_downmix = get_bits1(&s->gb);
scale_factor =
1.0f / dca_dmixtable[(get_bits(&s->gb, 6) - 1) << 2];
coeff = get_bits(&s->gb, 6);
scale_factor = -1.0f / dca_dmix_code(FFMAX(coeff<<2, 4)-3);
s->xxch_dmix_sf[s->xxch_chset] = scale_factor;
@ -619,10 +621,8 @@ static int dca_parse_audio_coding_header(DCAContext *s, int base_channel,
}
coeff = get_bits(&s->gb, 7);
sign = (coeff & 64) ? 1.0 : -1.0;
mag = dca_dmixtable[((coeff & 63) - 1) << 2];
ichan = dca_xxch2index(s, 1 << i);
s->xxch_dmix_coeff[j][ichan] = sign * mag;
s->xxch_dmix_coeff[j][ichan] = dca_dmix_code(FFMAX(coeff<<2, 3)-3);
}
}
}