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libaec
libaec
Commit fef349b5 authored by Mathis Rosenhauer's avatar Mathis Rosenhauer Committed by Thomas Jahns
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parent dfaddade
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Showing with 364 additions and 506 deletions
src/aec.c
View file @ fef349b5
......@@ -11,7 +11,7 @@
int main(int argc, char *argv[])
{
aec_stream strm;
struct aec_stream strm;
uint8_t *in;
uint8_t *out;
int chunk, total_out, status, c;
......
src/decode.c
View file @ fef349b5
This diff is collapsed.
src/encode.c
View file @ fef349b5
This diff is collapsed.
src/encode.h
View file @ fef349b5
......@@ -7,11 +7,11 @@
#define M_CONTINUE 1
#define M_EXIT 0
typedef struct internal_state {
int (*mode)(aec_streamp);
void (*get_block)(aec_streamp);
uint32_t (*get_sample)(aec_streamp);
void (*preprocess)(aec_streamp);
struct internal_state {
int (*mode)(struct aec_stream *);
void (*get_block)(struct aec_stream *);
uint32_t (*get_sample)(struct aec_stream *);
void (*preprocess)(struct aec_stream *);
int id_len; /* bit length of code option identification key */
int64_t xmin; /* minimum integer for preprocessing */
......@@ -35,6 +35,6 @@ typedef struct internal_state {
int zero_blocks; /* number of contiguous zero blocks */
int k; /* splitting position */
int flush; /* flush option copied from argument */
} encode_state;
};
#endif /* ENCODE_H */
src/encode_accessors.c
View file @ fef349b5
......@@ -5,14 +5,14 @@
#include "encode.h"
#include "encode_accessors.h"
uint32_t get_8(aec_streamp strm)
uint32_t get_8(struct aec_stream *strm)
{
strm->avail_in--;
strm->total_in++;
return *strm->next_in++;
}
uint32_t get_lsb_24(aec_streamp strm)
uint32_t get_lsb_24(struct aec_stream *strm)
{
uint32_t data;
......@@ -26,7 +26,7 @@ uint32_t get_lsb_24(aec_streamp strm)
return data;
}
uint32_t get_msb_24(aec_streamp strm)
uint32_t get_msb_24(struct aec_stream *strm)
{
uint32_t data;
......@@ -42,7 +42,7 @@ uint32_t get_msb_24(aec_streamp strm)
#ifdef WORDS_BIGENDIAN
uint32_t get_lsb_16(aec_streamp strm)
uint32_t get_lsb_16(struct aec_stream *strm)
{
uint32_t data;
......@@ -55,7 +55,7 @@ uint32_t get_lsb_16(aec_streamp strm)
return data;
}
uint32_t get_msb_16(aec_streamp strm)
uint32_t get_msb_16(struct aec_stream *strm)
{
uint32_t data;
......@@ -66,7 +66,7 @@ uint32_t get_msb_16(aec_streamp strm)
return data;
}
uint32_t get_lsb_32(aec_streamp strm)
uint32_t get_lsb_32(struct aec_stream *strm)
{
uint32_t data;
......@@ -81,7 +81,7 @@ uint32_t get_lsb_32(aec_streamp strm)
return data;
}
uint32_t get_msb_32(aec_streamp strm)
uint32_t get_msb_32(struct aec_stream *strm)
{
uint32_t data;
......@@ -93,7 +93,7 @@ uint32_t get_msb_32(aec_streamp strm)
}
#else /* not WORDS_BIGENDIAN */
uint32_t get_lsb_16(aec_streamp strm)
uint32_t get_lsb_16(struct aec_stream *strm)
{
uint32_t data;
......@@ -104,7 +104,7 @@ uint32_t get_lsb_16(aec_streamp strm)
return data;
}
uint32_t get_msb_16(aec_streamp strm)
uint32_t get_msb_16(struct aec_stream *strm)
{
uint32_t data;
......@@ -117,7 +117,7 @@ uint32_t get_msb_16(aec_streamp strm)
return data;
}
uint32_t get_lsb_32(aec_streamp strm)
uint32_t get_lsb_32(struct aec_stream *strm)
{
uint32_t data;
......@@ -128,7 +128,7 @@ uint32_t get_lsb_32(aec_streamp strm)
return data;
}
uint32_t get_msb_32(aec_streamp strm)
uint32_t get_msb_32(struct aec_stream *strm)
{
uint32_t data;
......@@ -145,7 +145,7 @@ uint32_t get_msb_32(aec_streamp strm)
#endif /* not WORDS_BIGENDIAN */
#define GET_BLOCK_8(BS) \
static void get_block_8_bs_##BS(aec_streamp strm) \
static void get_block_8_bs_##BS(struct aec_stream *strm) \
{ \
int i, j; \
uint32_t *block = strm->state->block_buf; \
......@@ -160,7 +160,7 @@ uint32_t get_msb_32(aec_streamp strm)
}
#define GET_BLOCK_NATIVE_16(BS) \
static void get_block_native_16_bs_##BS(aec_streamp strm) \
static void get_block_native_16_bs_##BS(struct aec_stream *strm) \
{ \
int i, j; \
uint32_t *block = strm->state->block_buf; \
......@@ -176,7 +176,7 @@ uint32_t get_msb_32(aec_streamp strm)
}
#define GET_BLOCK_LSB_16(BS) \
static void get_block_lsb_16_bs_##BS(aec_streamp strm) \
static void get_block_lsb_16_bs_##BS(struct aec_stream *strm) \
{ \
int i, j; \
uint32_t *block = strm->state->block_buf; \
......@@ -194,7 +194,7 @@ uint32_t get_msb_32(aec_streamp strm)
}
#define GET_BLOCK_MSB_16(BS) \
static void get_block_msb_16_bs_##BS(aec_streamp strm) \
static void get_block_msb_16_bs_##BS(struct aec_stream *strm) \
{ \
int i, j; \
uint32_t *block = strm->state->block_buf; \
......@@ -211,7 +211,7 @@ uint32_t get_msb_32(aec_streamp strm)
}
#define GET_BLOCK_LSB_24(BS) \
static void get_block_lsb_24_bs_##BS(aec_streamp strm) \
static void get_block_lsb_24_bs_##BS(struct aec_stream *strm) \
{ \
int i, j; \
uint32_t *block = strm->state->block_buf; \
......@@ -231,7 +231,7 @@ uint32_t get_msb_32(aec_streamp strm)
}
#define GET_BLOCK_MSB_24(BS) \
static void get_block_msb_24_bs_##BS(aec_streamp strm) \
static void get_block_msb_24_bs_##BS(struct aec_stream *strm) \
{ \
int i, j; \
uint32_t *block = strm->state->block_buf; \
......@@ -251,7 +251,7 @@ uint32_t get_msb_32(aec_streamp strm)
}
#define GET_BLOCK_NATIVE_32(BS) \
static void get_block_native_32_bs_##BS(aec_streamp strm) \
static void get_block_native_32_bs_##BS(struct aec_stream *strm) \
{ \
memcpy(strm->state->block_buf, \
strm->next_in, \
......@@ -263,7 +263,7 @@ uint32_t get_msb_32(aec_streamp strm)
}
#define GET_BLOCK_LSB_32(BS) \
static void get_block_lsb_32_bs_##BS(aec_streamp strm) \
static void get_block_lsb_32_bs_##BS(struct aec_stream *strm) \
{ \
int i, j; \
uint32_t *block = strm->state->block_buf; \
......@@ -285,7 +285,7 @@ uint32_t get_msb_32(aec_streamp strm)
}
#define GET_BLOCK_MSB_32(BS) \
static void get_block_msb_32_bs_##BS(aec_streamp strm) \
static void get_block_msb_32_bs_##BS(struct aec_stream *strm) \
{ \
int i, j; \
uint32_t *block = strm->state->block_buf; \
......@@ -306,12 +306,12 @@ uint32_t get_msb_32(aec_streamp strm)
strm->avail_in -= 4 * BS * strm->rsi; \
}
#define GET_BLOCK_FUNCS(A, B) \
void (*get_block_funcs_##A[])(aec_streamp) = { \
get_block_##B##_bs_8, \
get_block_##B##_bs_16, \
get_block_##B##_bs_32, \
get_block_##B##_bs_64, \
#define GET_BLOCK_FUNCS(A, B) \
void (*get_block_funcs_##A[])(struct aec_stream *) = { \
get_block_##B##_bs_8, \
get_block_##B##_bs_16, \
get_block_##B##_bs_32, \
get_block_##B##_bs_64, \
}
GET_BLOCK_8(8);
......
src/encode_accessors.h
View file @ fef349b5
......@@ -4,20 +4,20 @@
#include <inttypes.h>
#include "libaec.h"
uint32_t get_8(aec_streamp strm);
uint32_t get_lsb_16(aec_streamp strm);
uint32_t get_msb_16(aec_streamp strm);
uint32_t get_lsb_32(aec_streamp strm);
uint32_t get_msb_24(aec_streamp strm);
uint32_t get_lsb_24(aec_streamp strm);
uint32_t get_msb_32(aec_streamp strm);
uint32_t get_8(struct aec_stream *strm);
uint32_t get_lsb_16(struct aec_stream *strm);
uint32_t get_msb_16(struct aec_stream *strm);
uint32_t get_lsb_32(struct aec_stream *strm);
uint32_t get_msb_24(struct aec_stream *strm);
uint32_t get_lsb_24(struct aec_stream *strm);
uint32_t get_msb_32(struct aec_stream *strm);
extern void (*get_block_funcs_8[4])(aec_streamp);
extern void (*get_block_funcs_lsb_16[4])(aec_streamp);
extern void (*get_block_funcs_msb_16[4])(aec_streamp);
extern void (*get_block_funcs_lsb_24[4])(aec_streamp);
extern void (*get_block_funcs_msb_24[4])(aec_streamp);
extern void (*get_block_funcs_lsb_32[4])(aec_streamp);
extern void (*get_block_funcs_msb_32[4])(aec_streamp);
extern void (*get_block_funcs_8[4])(struct aec_stream *);
extern void (*get_block_funcs_lsb_16[4])(struct aec_stream *);
extern void (*get_block_funcs_msb_16[4])(struct aec_stream *);
extern void (*get_block_funcs_lsb_24[4])(struct aec_stream *);
extern void (*get_block_funcs_msb_24[4])(struct aec_stream *);
extern void (*get_block_funcs_lsb_32[4])(struct aec_stream *);
extern void (*get_block_funcs_msb_32[4])(struct aec_stream *);
#endif /* ENCODE_ACCESSORS_H */
src/libaec.h
View file @ fef349b5
......@@ -6,8 +6,7 @@
struct internal_state;
typedef struct _aec_stream
{
struct aec_stream {
const uint8_t *next_in;
size_t avail_in; /* number of bytes available at
* next_in */
......@@ -25,9 +24,7 @@ typedef struct _aec_stream
uint32_t flags;
struct internal_state *state;
} aec_stream;
typedef aec_stream *aec_streamp;
};
/* Coder flags */
#define AEC_DATA_UNSIGNED 0
......@@ -60,12 +57,12 @@ typedef aec_stream *aec_streamp;
* padded with fill bits.
*/
int aec_decode_init(aec_streamp strm);
int aec_decode(aec_streamp strm, int flush);
int aec_decode_end(aec_streamp strm);
int aec_decode_init(struct aec_stream *strm);
int aec_decode(struct aec_stream *strm, int flush);
int aec_decode_end(struct aec_stream *strm);
int aec_encode_init(aec_streamp strm);
int aec_encode(aec_streamp strm, int flush);
int aec_encode_end(aec_streamp strm);
int aec_encode_init(struct aec_stream *strm);
int aec_encode(struct aec_stream *strm, int flush);
int aec_encode_end(struct aec_stream *strm);
#endif /* LIBAEC_H */
src/sz_compat.c
View file @ fef349b5
......@@ -5,7 +5,7 @@
int SZ_BufftoBuffCompress(void *dest, size_t *destLen, const void *source, size_t sourceLen, SZ_com_t *param)
{
int status;
aec_stream strm;
struct aec_stream strm;
strm.bit_per_sample = param->bits_per_pixel;
strm.block_size = param->pixels_per_block;
......@@ -33,7 +33,7 @@ int SZ_BufftoBuffCompress(void *dest, size_t *destLen, const void *source, size_
int SZ_BufftoBuffDecompress(void *dest, size_t *destLen, const void *source, size_t sourceLen, SZ_com_t *param)
{
int status;
aec_stream strm;
struct aec_stream strm;
strm.bit_per_sample = param->bits_per_pixel;
strm.block_size = param->pixels_per_block;
......
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