int test4 (void)
{
SchroBuffer *buffer = schro_buffer_new_and_alloc (100);
SchroPack *pack;
SchroUnpack unpack;
int i;
int16_t x;
int ok = 1;
for(i=-1000;i<1000;i++){
pack = schro_pack_new ();
schro_pack_encode_init (pack, buffer);
schro_pack_encode_sint (pack, i);
schro_pack_flush(pack);
schro_pack_free (pack);
schro_unpack_init_with_data (&unpack, buffer->data, buffer->length, 1);
schro_unpack_decode_sint_s16 (&x, &unpack, 1);
if (i != x) {
printf("%d %d %c\n", i, x, (i==x)?' ':'x');
ok = 0;
}
}
schro_buffer_unref (buffer);
return ok;
}
int
check (int n, int freq)
{
SchroBuffer *buffer;
OilProfile prof;
double ave, std;
int x;
int y;
buffer = schro_buffer_new_and_alloc (100000);
encode(buffer, n, freq);
print_speed();
x = decode(buffer, n, &prof, 0);
oil_profile_get_ave_std (&prof, &ave, &std);
printf("orig %d,%d: %g (%g) %d\n", n, freq, ave, std, x);
x = decode(buffer, n, &prof, 1);
oil_profile_get_ave_std (&prof, &ave, &std);
printf("ref %d,%d: %g (%g) %d\n", n, freq, ave, std, x);
y = decode(buffer, n, &prof, 2);
oil_profile_get_ave_std (&prof, &ave, &std);
printf("test %d,%d: %g (%g) %d\n", n, freq, ave, std, y);
if (x != y) {
printf("BROKEN\n");
}
schro_buffer_unref (buffer);
return 0;
}
int
main (int argc, char *argv[])
{
int i;
SchroBuffer *buffer = schro_buffer_new_and_alloc (300);
SchroBits *bits;
int value;
int fail = 0;
int n;
schro_init();
srand(time(NULL));
bits = schro_bits_new();
printf("unsigned int\n");
schro_bits_encode_init (bits, buffer);
for(i=0; i<N; i++) {
ref[i] = rand() & 0x7;
schro_bits_encode_uint(bits,ref[i]);
}
schro_bits_flush (bits);
n = schro_bits_get_offset (bits);
schro_bits_free (bits);
bits = schro_bits_new();
schro_bits_decode_init (bits, buffer);
for(i=0; i<N; i++) {
value = schro_bits_decode_uint (bits);
if (value != ref[i]) {
printf("decode failed (%d != %d) at offset %d\n", value, ref[i], i);
fail = 1;
}
}
printf("signed int\n");
schro_bits_encode_init (bits, buffer);
for(i=0; i<N; i++) {
ref[i] = (rand() & 0xf) - 8;
schro_bits_encode_sint (bits,ref[i]);
}
schro_bits_flush (bits);
n = schro_bits_get_offset (bits);
schro_bits_free (bits);
bits = schro_bits_new();
schro_bits_decode_init (bits, buffer);
for(i=0; i<N; i++) {
value = schro_bits_decode_sint (bits);
if (value != ref[i]) {
printf("decode failed (%d != %d) at offset %d\n", value, ref[i], i);
fail = 1;
}
}
return fail;
}
int
main (int argc, char *argv[])
{
int i;
SchroBuffer *buffer = schro_buffer_new_and_alloc (100);
SchroBits *bits;
int value;
int fail = 0;
int n;
schro_init();
printf("unsigned int\n");
for(i=0;i<21;i++) {
bits = schro_bits_new();
schro_bits_encode_init (bits, buffer);
schro_bits_encode_uint(bits,i);
schro_bits_flush (bits);
n = schro_bits_get_offset (bits);
schro_bits_free (bits);
bits = schro_bits_new();
schro_bits_decode_init (bits, buffer);
printf("%3d:", i);
dump_bits (bits, n);
value = schro_bits_decode_uint (bits);
if (value != i) {
printf("decode failed (%d != %d)\n", value, i);
fail = 1;
}
schro_bits_free (bits);
}
printf("\n");
printf("signed int\n");
for(i=-5;i<6;i++) {
bits = schro_bits_new();
schro_bits_encode_init (bits, buffer);
schro_bits_encode_sint(bits,i);
schro_bits_flush (bits);
n = schro_bits_get_offset (bits);
schro_bits_free (bits);
bits = schro_bits_new();
schro_bits_decode_init (bits, buffer);
printf("%3d:", i);
dump_bits (bits, n);
value = schro_bits_decode_sint (bits);
if (value != i) {
printf("decode failed (%d != %d)\n", value, i);
fail = 1;
}
schro_bits_free (bits);
}
printf("\n");
return fail;
}
int test1 (void)
{
SchroBuffer *buffer = schro_buffer_new_and_alloc (100);
SchroPack *pack;
SchroUnpack unpack;
int i;
int ref[800];
int x;
int guard;
for(i=0;i<800;i++){
ref[i] = rand()&1;
}
guard = rand()&1;
pack = schro_pack_new ();
schro_pack_encode_init (pack, buffer);
for(i=0;i<800;i++){
schro_pack_encode_bit (pack, ref[i]);
}
schro_pack_flush(pack);
schro_pack_free (pack);
schro_unpack_init_with_data (&unpack, buffer->data, buffer->length, guard);
for(i=0;i<800;i++){
x = schro_unpack_decode_bit (&unpack);
if (x != ref[i]) {
printf("test1 failed at bit %d\n", i);
schro_unpack_dump(&unpack);
return 0;
}
}
for(i=0;i<100;i++){
x = schro_unpack_decode_bit (&unpack);
if (x != guard) {
printf("test1 failed at guard bit %d\n", i);
schro_unpack_dump(&unpack);
return 0;
}
}
schro_buffer_unref (buffer);
return 1;
}
int test2 (void)
{
SchroBuffer *buffer = schro_buffer_new_and_alloc (1000);
SchroPack *pack;
SchroUnpack unpack;
int i;
int ref[100];
int x;
int n_bytes;
memset (buffer->data, 0, 1000);
for(i=0;i<100;i++){
ref[i] = rand()&0xff;
}
pack = schro_pack_new ();
schro_pack_encode_init (pack, buffer);
for(i=0;i<100;i++){
schro_pack_encode_uint (pack, ref[i]);
}
schro_pack_flush(pack);
n_bytes = schro_pack_get_offset (pack);
schro_pack_free (pack);
schro_unpack_init_with_data (&unpack, buffer->data, n_bytes, 1);
for(i=0;i<100;i++){
x = schro_unpack_decode_uint (&unpack);
if (x != ref[i]) {
printf("test2 failed at symbol %d (%d should be %d)\n", i, x, ref[i]);
schro_unpack_dump(&unpack);
return 0;
}
}
schro_buffer_unref (buffer);
return 1;
}
static SchroBuffer *schro_buffer_of_ogg_packet(ogg_packet *op)
{
SchroBuffer *buffer = schro_buffer_new_and_alloc(op->bytes);
memcpy(buffer->data, op->packet, op->bytes);
return buffer;
}
int test3 (void)
{
SchroBuffer *buffer = schro_buffer_new_and_alloc (1000);
SchroPack *pack;
SchroUnpack unpack;
SchroUnpack unpack2;
int i;
int ref[100];
int x;
int n_bytes;
int n_bits = 0;
int n_bits2 = 0;
memset (buffer->data, 0, 1000);
for(i=0;i<100;i++){
ref[i] = (rand()&0xff) - 128;
}
pack = schro_pack_new ();
schro_pack_encode_init (pack, buffer);
n_bits = 0;
for(i=0;i<50;i++){
schro_pack_encode_sint (pack, ref[i]);
n_bits += schro_pack_estimate_sint (ref[i]);
}
n_bits2 = 0;
for(i=50;i<100;i++){
schro_pack_encode_sint (pack, ref[i]);
n_bits2 += schro_pack_estimate_sint (ref[i]);
}
schro_pack_flush(pack);
n_bytes = schro_pack_get_offset (pack);
schro_pack_free (pack);
schro_unpack_init_with_data (&unpack, buffer->data, n_bytes, 1);
schro_unpack_copy (&unpack2, &unpack);
schro_unpack_limit_bits_remaining (&unpack, n_bits);
for(i=0;i<50;i++){
x = schro_unpack_decode_sint (&unpack);
if (x != ref[i]) {
SCHRO_ERROR("test3 failed at symbol %d (%d should be %d)", i, x, ref[i]);
schro_unpack_dump(&unpack);
return 0;
}
}
for(i=0;i<10;i++){
x = schro_unpack_decode_sint (&unpack);
if (x != 0) {
SCHRO_ERROR("test3 failed at symbol %d (%d should be 0)", i, x);
schro_unpack_dump(&unpack);
return 0;
}
}
schro_unpack_skip_bits (&unpack2, n_bits);
schro_unpack_limit_bits_remaining (&unpack2, n_bits2);
for(i=50;i<100;i++){
x = schro_unpack_decode_sint (&unpack2);
if (x != ref[i]) {
SCHRO_ERROR("test3 failed at symbol %d (%d should be %d)", i, x, ref[i]);
schro_unpack_dump(&unpack2);
return 0;
}
}
for(i=0;i<10;i++){
x = schro_unpack_decode_sint (&unpack2);
if (x != 0) {
SCHRO_ERROR("test3 failed at symbol %d (%d should be 0)", i, x);
schro_unpack_dump(&unpack2);
return 0;
}
}
schro_buffer_unref (buffer);
return 1;
}