static int
estimate_array (int16_t *data, int n)
{
int i;
int n_bits = 0;
for(i=0;i<n;i++){
n_bits += schro_pack_estimate_sint (data[i]);
}
return n_bits;
}
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;
}
