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Commit b9f9312b authored by Mathis Rosenhauer's avatar Mathis Rosenhauer
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Formatting.

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with 75 additions and 79 deletions
src/decode.c
+ 75
− 79
View file @ b9f9312b
......@@ -61,86 +61,83 @@
#define ROS 5
#define BUFFERSPACE(strm) (strm->avail_in >= strm->state->in_blklen \
#define BUFFERSPACE(strm) (strm->avail_in >= strm->state->in_blklen \
&& strm->avail_out >= strm->state->out_blklen)
#define FLUSH(KIND) \
static void flush_##KIND(struct aec_stream *strm) \
{ \
uint32_t *flush_end, *bp, half_d; \
int32_t data, m; \
struct internal_state *state = strm->state; \
\
flush_end = state->rsip; \
if (state->pp) { \
if (state->flush_start == state->rsi_buffer \
&& state->rsip > state->rsi_buffer) { \
state->last_out = *state->rsi_buffer; \
\
if (strm->flags & AEC_DATA_SIGNED) { \
m = UINT32_C(1) << (strm->bits_per_sample - 1); \
/* Reference samples have to be sign extended */ \
state->last_out = (state->last_out ^ m) - m; \
} \
put_##KIND(strm, (uint32_t)state->last_out); \
state->flush_start++; \
} \
\
data = state->last_out; \
\
if (state->xmin == 0) { \
\
uint32_t xmax, med, d; \
med = state->xmax / 2 + 1; \
xmax = state->xmax; \
\
for (bp = state->flush_start; bp < flush_end; bp++) { \
d = *bp; \
half_d = (d >> 1) + (d & 1); \
/*in this case: data >= med == data & med */ \
uint32_t mask = (data & med)?xmax:0; \
\
/*in this case: xmax - data == xmax ^ data */ \
if (half_d <= (mask ^ data)) { \
data += (d >> 1)^(~((d & 1) - 1)); \
} else { \
data = mask ^ d; \
} \
put_##KIND(strm, (uint32_t)data); \
} \
state->last_out = data; \
\
} else { \
\
int32_t xmax, d; \
xmax = state->xmax; \
\
for (bp = state->flush_start; bp < flush_end; bp++) { \
d = *bp; \
half_d = ((uint32_t)d >> 1) + (d & 1); \
\
if (data < 0) { \
if (half_d <= xmax + data + 1) { \
data += ((uint32_t)d >> 1)^(~((d & 1) - 1)); \
} else { \
data = d - xmax - 1; \
} \
} else { \
if (half_d <= xmax - data) { \
data += ((uint32_t)d >> 1)^(~((d & 1) - 1)); \
} else { \
data = xmax - d; \
} \
} \
put_##KIND(strm, (uint32_t)data); \
} \
state->last_out = data; \
} \
} else { \
for (bp = state->flush_start; bp < flush_end; bp++) \
put_##KIND(strm, *bp); \
} \
state->flush_start = state->rsip; \
#define FLUSH(KIND) \
static void flush_##KIND(struct aec_stream *strm) \
{ \
uint32_t *flush_end, *bp, half_d; \
int32_t data, m; \
struct internal_state *state = strm->state; \
\
flush_end = state->rsip; \
if (state->pp) { \
if (state->flush_start == state->rsi_buffer \
&& state->rsip > state->rsi_buffer) { \
state->last_out = *state->rsi_buffer; \
\
if (strm->flags & AEC_DATA_SIGNED) { \
m = UINT32_C(1) << (strm->bits_per_sample - 1); \
/* Reference samples have to be sign extended */ \
state->last_out = (state->last_out ^ m) - m; \
} \
put_##KIND(strm, (uint32_t)state->last_out); \
state->flush_start++; \
} \
\
data = state->last_out; \
\
if (state->xmin == 0) { \
uint32_t xmax, med, d; \
med = state->xmax / 2 + 1; \
xmax = state->xmax; \
\
for (bp = state->flush_start; bp < flush_end; bp++) { \
d = *bp; \
half_d = (d >> 1) + (d & 1); \
/*in this case: data >= med == data & med */ \
uint32_t mask = (data & med)?xmax:0; \
\
/*in this case: xmax - data == xmax ^ data */ \
if (half_d <= (mask ^ data)) { \
data += (d >> 1)^(~((d & 1) - 1)); \
} else { \
data = mask ^ d; \
} \
put_##KIND(strm, (uint32_t)data); \
} \
state->last_out = data; \
} else { \
int32_t xmax, d; \
xmax = state->xmax; \
\
for (bp = state->flush_start; bp < flush_end; bp++) { \
d = *bp; \
half_d = ((uint32_t)d >> 1) + (d & 1); \
\
if (data < 0) { \
if (half_d <= xmax + data + 1) { \
data += ((uint32_t)d >> 1)^(~((d & 1) - 1)); \
} else { \
data = d - xmax - 1; \
} \
} else { \
if (half_d <= xmax - data) { \
data += ((uint32_t)d >> 1)^(~((d & 1) - 1)); \
} else { \
data = xmax - d; \
} \
} \
put_##KIND(strm, (uint32_t)data); \
} \
state->last_out = data; \
} \
} else { \
for (bp = state->flush_start; bp < flush_end; bp++) \
put_##KIND(strm, *bp); \
} \
state->flush_start = state->rsip; \
}
......@@ -245,7 +242,6 @@ static inline void fill_acc(struct aec_stream *strm)
case (1):
strm->state->acc = (strm->state->acc << 8) | *strm->next_in++;
};
}
static inline uint32_t direct_get(struct aec_stream *strm, int n)
......
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