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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "check_aec.h"
#define BUF_SIZE 1024 * 3
int check_block_sizes(struct test_state *state, int id, int id_len)
{
state->id = id;
for (int bs = 8; bs <= 64; bs *= 2) {
int max_rsi;
state->strm->block_size = bs;
max_rsi = (int)(state->buf_len / (bs * state->bytes_per_sample));
if (max_rsi > 4096)
max_rsi = 4096;
for (int rsi = 1; rsi <= max_rsi; rsi++) {
int status;
state->strm->rsi = rsi;
status = state->codec(state);
if (status)
return status;
if ((state->cbuf[0] >> (8 - id_len)) != id) {
printf(
"%s: block of size %i created with ID:%x, expected %x.\n",
CHECK_FAIL, bs, state->cbuf[0] >> (8 - id_len), id
);
return 99;
}
}
}
return 0;
}
int check_zero(struct test_state *state)
{
int status;
if (state->strm->flags & AEC_DATA_PREPROCESS)
memset(state->ubuf, 0x55, state->buf_len);
else
memset(state->ubuf, 0, state->buf_len);
printf("Checking zero blocks ... ");
status = check_block_sizes(state, 0, state->id_len + 1);
if (status)
return status;
printf ("%s\n", CHECK_PASS);
return 0;
}
int check_splitting(struct test_state *state, int k)
{
int status;
unsigned char *tmp;
int size = state->bytes_per_sample;
if (state->strm->flags & AEC_DATA_PREPROCESS) {
for (tmp = state->ubuf;
tmp < state->ubuf + state->buf_len;
tmp += 4 * size) {
state->out(tmp, state->xmin + (1ULL << (k - 1)) - 1, size);
state->out(tmp + size, state->xmin, size);
state->out(tmp + 2 * size, state->xmin
+ (1ULL << (k + 1)) - 1, size);
state->out(tmp + 3 * size, state->xmin, size);
}
} else {
for (tmp = state->ubuf;
tmp < state->ubuf + state->buf_len;
tmp += 4 * size) {
state->out(tmp, 0, size);
state->out(tmp + size, (1ULL << k) - 1, size);
state->out(tmp + 2 * size, 0, size);
state->out(tmp + 3 * size, (1ULL << (k + 2)) - 1, size);
}
}
printf("Checking splitting with k=%i ... ", k);
status = check_block_sizes(state, k + 1, state->id_len);
if (status)
return status;
printf ("%s\n", CHECK_PASS);
return 0;
}
int check_uncompressed(struct test_state *state)
{
int status;
unsigned char *tmp;
int size = state->bytes_per_sample;
for (tmp = state->ubuf;
tmp < state->ubuf + state->buf_len;
tmp += 2 * size) {
state->out(tmp, state->xmax, size);
state->out(tmp + size, state->xmin, size);
}
printf("Checking uncompressed ... ");
status = check_block_sizes(state,
(1ULL << state->id_len) - 1,
state->id_len);
if (status)
return status;
printf ("%s\n", CHECK_PASS);
return 0;
}
int check_fs(struct test_state *state)
{
int status;
unsigned char *tmp;
int size = state->bytes_per_sample;
if (state->strm->flags & AEC_DATA_PREPROCESS) {
for (tmp = state->ubuf;
tmp < state->ubuf + state->buf_len;
tmp += 4 * size) {
state->out(tmp, state->xmin + 2, size);
state->out(tmp + size, state->xmin, size);
state->out(tmp + 2 * size, state->xmin, size);
state->out(tmp + 3 * size, state->xmin, size);
}
} else {
for (tmp = state->ubuf;
tmp < state->ubuf + state->buf_len;
tmp += 4 * size) {
state->out(tmp, 0, size);
state->out(tmp + size, 0, size);
state->out(tmp + 2 * size, 0, size);
state->out(tmp + 3 * size, 4, size);
}
}
printf("Checking FS ... ");
status = check_block_sizes(state, 1, state->id_len);
if (status)
return status;
printf ("%s\n", CHECK_PASS);
return 0;
}
int check_se(struct test_state *state)
{
int status;
unsigned char *tmp;
int size = state->bytes_per_sample;
if (state->strm->flags & AEC_DATA_PREPROCESS) {
for (tmp = state->ubuf;
tmp < state->ubuf + state->buf_len;
tmp += 8 * size) {
state->out(tmp, state->xmax - 1, size);
state->out(tmp + size, state->xmax - 1, size);
state->out(tmp + 2 * size, state->xmax - 1, size);
state->out(tmp + 3 * size, state->xmax - 1, size);
state->out(tmp + 4 * size, state->xmax, size);
state->out(tmp + 5 * size, state->xmax, size);
state->out(tmp + 6 * size, state->xmax, size);
state->out(tmp + 7 * size, state->xmax, size);
}
} else {
for (tmp = state->ubuf;
tmp < state->ubuf + state->buf_len;
tmp += 8 * size) {
state->out(tmp, 0, size);
state->out(tmp + size, 0, size);
state->out(tmp + 2 * size, 0, size);
state->out(tmp + 3 * size, 0, size);
state->out(tmp + 4 * size, 1, size);
state->out(tmp + 5 * size, 0, size);
state->out(tmp + 6 * size, 0, size);
state->out(tmp + 7 * size, 2, size);
}
}
printf("Checking Second Extension ... ");
status = check_block_sizes(state, 1, state->id_len + 1);
if (status)
return status;
printf ("%s\n", CHECK_PASS);
return 0;
}
int check_bps(struct test_state *state)
{
int status;
for (int bps = 8; bps <= 32; bps += 8) {
state->strm->bits_per_sample = bps;
if (bps == 24)
state->strm->flags |= AEC_DATA_3BYTE;
else
state->strm->flags &= ~AEC_DATA_3BYTE;
update_state(state);
status = check_zero(state);
if (status)
return status;
status = check_se(state);
if (status)
return status;
status = check_uncompressed(state);
if (status)
return status;
status = check_fs(state);
if (status)
return status;
for (int k = 1; k < bps - 2; k++) {
status = check_splitting(state, k);
if (status)
return status;
}
printf("All checks with %i bit per sample passed.\n", bps);
}
return 0;
}
int check_byte_orderings(struct test_state *state)
{
int status;
printf("-----------------------------------\n");
printf("Checking no PP, LSB first, unsigned\n");
printf("-----------------------------------\n");
status = check_bps(state);
if (status)
return status;
printf("-----------------------------------\n");
printf("Checking PP, LSB first, unsigned\n");
printf("-----------------------------------\n");
state->strm->flags |= AEC_DATA_PREPROCESS;
status = check_bps(state);
if (status)
return status;
printf("-----------------------------------\n");
printf("Checking PP, LSB first, signed\n");
printf("-----------------------------------\n");
state->strm->flags |= AEC_DATA_SIGNED;
status = check_bps(state);
if (status)
return status;
state->strm->flags &= ~AEC_DATA_SIGNED;
state->strm->flags |= AEC_DATA_MSB;
printf("-----------------------------------\n");
printf("Checking PP, MSB first, unsigned\n");
printf("-----------------------------------\n");
status = check_bps(state);
if (status)
return status;
printf("-----------------------------------\n");
printf("Checking PP, MSB first, signed\n");
printf("-----------------------------------\n");
state->strm->flags |= AEC_DATA_SIGNED;
status = check_bps(state);
if (status)
return status;
return 0;
}
int main(int argc, char *argv[])
{
int status;
struct aec_stream strm;
struct test_state state;
if (argc > 1 && strncmp(argv[1], "-d", 2) == 0)
state.dump = 1;
else
state.dump = 0;
state.buf_len = state.ibuf_len = BUF_SIZE;
state.cbuf_len = 2 * BUF_SIZE;
state.ubuf = (unsigned char *)malloc(state.buf_len);
state.cbuf = (unsigned char *)malloc(state.cbuf_len);
state.obuf = (unsigned char *)malloc(state.buf_len);
if (!state.ubuf || !state.cbuf || !state.obuf) {
printf("Not enough memory.\n");
status = 99;
goto DESTRUCT;
}
strm.flags = 0;
state.strm = &strm;
printf("***************************\n");
printf("Checking with small buffers\n");
printf("***************************\n");
state.codec = encode_decode_small;
status = check_byte_orderings(&state);
if (status)
goto DESTRUCT;
printf("***************************\n");
printf("Checking with large buffers\n");
printf("***************************\n");
state.codec = encode_decode_large;
status = check_byte_orderings(&state);
DESTRUCT:
if (state.ubuf)
free(state.ubuf);
if (state.cbuf)
free(state.cbuf);
if (state.obuf)
free(state.obuf);
return status;
}
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