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use get_unary from bitstream.h

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Originally committed as revision 9995 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Alex Beregszaszi
2007-08-08 22:36:12 +00:00
parent 971e878dca
commit 57d473f457
1 changed files with 3 additions and 9 deletions
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12
libavcodec/wavpack.c
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@@ -114,12 +114,6 @@ static av_always_inline int wp_exp2(int16_t val)
return neg ? -res : res;
}
static inline int get_unary(GetBitContext *gb){
int r=0;
while(get_bits1(gb) && r<33)r++;
return r;
}
// macros for manipulating median values
#define GET_MED(n) ((median[n] >> 4) + 1)
#define DEC_MED(n) median[n] -= ((median[n] + (128>>n) - 2) / (128>>n)) * 2
@@ -165,7 +159,7 @@ static int wv_get_value(WavpackContext *ctx, GetBitContext *gb, int *median, int
if(ctx->zeroes)
return 0;
}else{
t = get_unary(gb);
t = get_unary(gb, 0, 33);
if(t >= 2) t = get_bits(gb, t - 1) | (1 << (t-1));
ctx->zeroes = t;
if(ctx->zeroes){
@@ -184,13 +178,13 @@ static int wv_get_value(WavpackContext *ctx, GetBitContext *gb, int *median, int
t = 0;
ctx->zero = 0;
}else{
t = get_unary(gb);
t = get_unary(gb, 0, 33);
if(get_bits_count(gb) >= ctx->data_size){
*last = 1;
return 0;
}
if(t == 16) {
t2 = get_unary(gb);
t2 = get_unary(gb, 0, 33);
if(t2 < 2) t += t2;
else t += get_bits(gb, t2 - 1) | (1 << (t2 - 1));
}