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Code Issues Releases Activity

lavc: Use get_bitsz where needed

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Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Andreas Cadhalpun 2016-01-11 21:14:00 +01:00 committed by Luca Barbato
parent 62825236db
commit fa66237b69
5 changed files with 11 additions and 15 deletions
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13
libavcodec/atrac3plus.c
View File

@ -39,9 +39,6 @@ static VLC spec_vlc_tabs[112];
static VLC gain_vlc_tabs[11];
static VLC tone_vlc_tabs[7];
#define GET_DELTA(gb, delta_bits) \
((delta_bits) ? get_bits((gb), (delta_bits)) : 0)
/**
* Generate canonical VLC table from given descriptor.
*
@ -384,7 +381,7 @@ static int decode_channel_wordlen(GetBitContext *gb, Atrac3pChanUnitCtx *ctx,
chan->qu_wordlen[i] = get_bits(gb, 3);
for (i = pos; i < chan->num_coded_vals; i++)
chan->qu_wordlen[i] = (min_val + GET_DELTA(gb, delta_bits)) & 7;
chan->qu_wordlen[i] = (min_val + get_bitsz(gb, delta_bits)) & 7;
}
}
break;
@ -516,7 +513,7 @@ static int decode_channel_sf_idx(GetBitContext *gb, Atrac3pChanUnitCtx *ctx,
/* all others are: min_val + delta */
for (i = num_long_vals; i < ctx->used_quant_units; i++)
chan->qu_sf_idx[i] = (chan->qu_sf_idx[i] + min_val +
GET_DELTA(gb, delta_bits)) & 0x3F;
get_bitsz(gb, delta_bits)) & 0x3F;
} else {
num_long_vals = get_bits(gb, 5);
delta_bits = get_bits(gb, 3);
@ -534,7 +531,7 @@ static int decode_channel_sf_idx(GetBitContext *gb, Atrac3pChanUnitCtx *ctx,
/* all others are: min_val + delta */
for (i = num_long_vals; i < ctx->used_quant_units; i++)
chan->qu_sf_idx[i] = (min_val +
GET_DELTA(gb, delta_bits)) & 0x3F;
get_bitsz(gb, delta_bits)) & 0x3F;
}
}
break;
@ -1014,7 +1011,7 @@ static int decode_gainc_npoints(GetBitContext *gb, Atrac3pChanUnitCtx *ctx,
min_val = get_bits(gb, 3);
for (i = 0; i < coded_subbands; i++) {
chan->gain_data[i].num_points = min_val + GET_DELTA(gb, delta_bits);
chan->gain_data[i].num_points = min_val + get_bitsz(gb, delta_bits);
if (chan->gain_data[i].num_points > 7)
return AVERROR_INVALIDDATA;
}
@ -1134,7 +1131,7 @@ static int decode_gainc_levels(GetBitContext *gb, Atrac3pChanUnitCtx *ctx,
for (sb = 0; sb < coded_subbands; sb++)
for (i = 0; i < chan->gain_data[sb].num_points; i++) {
chan->gain_data[sb].lev_code[i] = min_val + GET_DELTA(gb, delta_bits);
chan->gain_data[sb].lev_code[i] = min_val + get_bitsz(gb, delta_bits);
if (chan->gain_data[sb].lev_code[i] > 15)
return AVERROR_INVALIDDATA;
}

2
libavcodec/escape124.c
View File

@ -159,7 +159,7 @@ static MacroBlock decode_macroblock(Escape124Context* s, GetBitContext* gb,
// depth = 0 means that this shouldn't read any bits;
// in theory, this is the same as get_bits(gb, 0), but
// that doesn't actually work.
block_index = depth ? get_bits(gb, depth) : 0;
block_index = get_bitsz(gb, depth);
if (*codebook_index == 1) {
block_index += superblock_index << s->codebooks[1].depth;

2
libavcodec/wavpack.c
View File

@ -248,7 +248,7 @@ static av_always_inline int get_tail(GetBitContext *gb, int k)
return 0;
p = av_log2(k);
e = (1 << (p + 1)) - k - 1;
res = p ? get_bits(gb, p) : 0;
res = get_bitsz(gb, p);
if (res >= e)
res = (res << 1) - e + get_bits1(gb);
return res;

7
libavcodec/wmalosslessdec.c
View File

@ -411,8 +411,7 @@ static void decode_ac_filter(WmallDecodeCtx *s)
s->acfilter_scaling = get_bits(&s->gb, 4);
for (i = 0; i < s->acfilter_order; i++)
s->acfilter_coeffs[i] = (s->acfilter_scaling ?
get_bits(&s->gb, s->acfilter_scaling) : 0) + 1;
s->acfilter_coeffs[i] = get_bitsz(&s->gb, s->acfilter_scaling) + 1;
}
static void decode_mclms(WmallDecodeCtx *s)
@ -425,7 +424,7 @@ static void decode_mclms(WmallDecodeCtx *s)
if (1 << cbits < s->mclms_scaling + 1)
cbits++;
send_coef_bits = (cbits ? get_bits(&s->gb, cbits) : 0) + 2;
send_coef_bits = get_bitsz(&s->gb, cbits) + 2;
for (i = 0; i < s->mclms_order * s->num_channels * s->num_channels; i++)
s->mclms_coeffs[i] = get_bits(&s->gb, send_coef_bits);
@ -471,7 +470,7 @@ static int decode_cdlms(WmallDecodeCtx *s)
if ((1 << cbits) < s->cdlms[c][i].scaling + 1)
cbits++;
s->cdlms[c][i].bitsend = get_bits(&s->gb, cbits) + 2;
s->cdlms[c][i].bitsend = get_bitsz(&s->gb, cbits) + 2;
shift_l = 32 - s->cdlms[c][i].bitsend;
shift_r = 32 - s->cdlms[c][i].scaling - 2;
for (j = 0; j < s->cdlms[c][i].coefsend; j++)

2
libavcodec/wmaprodec.c
View File

@ -1145,7 +1145,7 @@ static int decode_subframe(WMAProDecodeCtx *s)
int num_fill_bits;
if (!(num_fill_bits = get_bits(&s->gb, 2))) {
int len = get_bits(&s->gb, 4);
num_fill_bits = get_bits(&s->gb, len) + 1;
num_fill_bits = get_bitsz(&s->gb, len) + 1;
}
if (num_fill_bits >= 0) {