#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include "adx.h"
+#include "get_bits.h"
/**
* @file
static void adx_decode(ADXContext *c, int16_t *out, const uint8_t *in, int ch)
{
ADXChannelState *prev = &c->prev[ch];
+ GetBitContext gb;
int scale = AV_RB16(in);
int i;
int s0, s1, s2, d;
- in += 2;
+ init_get_bits(&gb, in + 2, (18 - 2) * 8);
s1 = prev->s1;
s2 = prev->s2;
- for (i = 0; i < 16; i++) {
- d = in[i];
- d = (signed char)d >> 4;
- s0 = (BASEVOL * d * scale + SCALE1 * s1 - SCALE2 * s2) >> 14;
- s2 = s1;
- s1 = av_clip_int16(s0);
- *out = s1;
- out += c->channels;
-
- d = in[i];
- d = (signed char)(d << 4) >> 4;
+ for (i = 0; i < 32; i++) {
+ d = get_sbits(&gb, 4);
s0 = (BASEVOL * d * scale + SCALE1 * s1 - SCALE2 * s2) >> 14;
s2 = s1;
s1 = av_clip_int16(s0);