ref: 2140d0e6e36862a1c55e7a3307734a37c6360b0a
dir: /src/sox_sample_test.c/
#define DEBUG #include <assert.h> #include "sox.h" #define TEST_UINT(bits) \ uint##bits = 0; \ sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \ assert(sample == SOX_SAMPLE_MIN); \ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \ assert(uint##bits == 0 && clips == 0); \ \ uint##bits = 1; \ sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \ assert(sample > SOX_SAMPLE_MIN && sample < 0); \ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \ assert(uint##bits == 1 && clips == 0); \ \ uint##bits = SOX_INT_MAX(bits); \ sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \ assert(sample * SOX_INT_MAX(bits) == SOX_UNSIGNED_TO_SAMPLE(bits,1)); \ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \ assert(uint##bits == SOX_INT_MAX(bits) && clips == 0); \ \ sample =SOX_UNSIGNED_TO_SAMPLE(bits,1)+SOX_UNSIGNED_TO_SAMPLE(bits,SOX_INT_MAX(bits))/2; \ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \ assert(uint##bits == 1 && clips == 0); \ \ sample = SOX_UNSIGNED_TO_SAMPLE(bits,1)+SOX_UNSIGNED_TO_SAMPLE(bits,SOX_INT_MAX(bits))/2-1; \ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \ assert(uint##bits == 0 && clips == 0); \ \ uint##bits = (0^SOX_INT_MIN(bits)); \ sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \ assert(sample == 0); \ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \ assert(uint##bits == (0^SOX_INT_MIN(bits)) && clips == 0); \ \ uint##bits = ((0^SOX_INT_MIN(bits))+1); \ sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \ assert(sample > 0 && sample < SOX_SAMPLE_MAX); \ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \ assert(uint##bits == ((0^SOX_INT_MIN(bits))+1) && clips == 0); \ \ uint##bits = SOX_UINT_MAX(bits); \ sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \ assert(sample == SOX_INT_MAX(bits) * SOX_UNSIGNED_TO_SAMPLE(bits,((0^SOX_INT_MIN(bits))+1))); \ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \ assert(uint##bits == SOX_UINT_MAX(bits) && clips == 0); \ \ sample =SOX_UNSIGNED_TO_SAMPLE(bits,SOX_UINT_MAX(bits))+SOX_UNSIGNED_TO_SAMPLE(bits,((0^SOX_INT_MIN(bits))+1))/2-1; \ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \ assert(uint##bits == SOX_UINT_MAX(bits) && clips == 0); \ \ sample = SOX_UNSIGNED_TO_SAMPLE(bits,SOX_UINT_MAX(bits))+SOX_UNSIGNED_TO_SAMPLE(bits,((0^SOX_INT_MIN(bits))+1))/2; \ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \ assert(uint##bits == SOX_UINT_MAX(bits) && --clips == 0); \ \ sample = SOX_SAMPLE_MAX; \ uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \ assert(uint##bits == SOX_UINT_MAX(bits) && --clips == 0); \ #define TEST_SINT(bits) \ int##bits = SOX_INT_MIN(bits); \ sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \ assert(sample == SOX_SAMPLE_MIN); \ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \ assert(int##bits##_2 == int##bits && clips == 0); \ \ int##bits = SOX_INT_MIN(bits)+1; \ sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \ assert(sample > SOX_SAMPLE_MIN && sample < 0); \ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \ assert(int##bits##_2 == int##bits && clips == 0); \ \ int##bits = SOX_UINT_MAX(bits) /* i.e. -1 */; \ sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \ assert(sample * SOX_INT_MAX(bits) == SOX_SIGNED_TO_SAMPLE(bits,SOX_INT_MIN(bits)+1)); \ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \ assert(int##bits##_2 == int##bits && clips == 0); \ \ int##bits = SOX_INT_MIN(bits)+1; \ sample =SOX_UNSIGNED_TO_SAMPLE(bits,1)+SOX_UNSIGNED_TO_SAMPLE(bits,SOX_INT_MAX(bits))/2; \ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \ assert(int##bits##_2 == int##bits && clips == 0); \ \ int##bits = SOX_INT_MIN(bits); \ sample = SOX_UNSIGNED_TO_SAMPLE(bits,1)+SOX_UNSIGNED_TO_SAMPLE(bits,SOX_INT_MAX(bits))/2-1; \ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \ assert(int##bits##_2 == int##bits && clips == 0); \ \ int##bits = 0; \ sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \ assert(sample == 0); \ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \ assert(int##bits##_2 == int##bits && clips == 0); \ \ int##bits = 1; \ sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \ assert(sample > 0 && sample < SOX_SAMPLE_MAX); \ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \ assert(int##bits##_2 == int##bits && clips == 0); \ \ int##bits = SOX_INT_MAX(bits); \ sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \ assert(sample == SOX_INT_MAX(bits) * SOX_SIGNED_TO_SAMPLE(bits,1)); \ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \ assert(int##bits##_2 == int##bits && clips == 0); \ \ sample =SOX_UNSIGNED_TO_SAMPLE(bits,SOX_UINT_MAX(bits))+SOX_UNSIGNED_TO_SAMPLE(bits,((0^SOX_INT_MIN(bits))+1))/2-1; \ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \ assert(int##bits##_2 == int##bits && clips == 0); \ \ sample =SOX_UNSIGNED_TO_SAMPLE(bits,SOX_UINT_MAX(bits))+SOX_UNSIGNED_TO_SAMPLE(bits,((0^SOX_INT_MIN(bits))+1))/2; \ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \ assert(int##bits##_2 == int##bits && --clips == 0); \ \ sample = SOX_SAMPLE_MAX; \ int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \ assert(int##bits##_2 == int##bits && --clips == 0); int main() { int8_t int8; int16_t int16; int24_t int24; uint8_t uint8; uint16_t uint16; uint24_t uint24; int8_t int8_2; int16_t int16_2; int24_t int24_2; sox_ssample_t sample; sox_size_t clips = 0; double d; TEST_UINT(8) TEST_UINT(16) TEST_UINT(24) TEST_SINT(8) TEST_SINT(16) TEST_SINT(24) d = -1.0000000001; sample = SOX_FLOAT_64BIT_TO_SAMPLE(d, clips); assert(sample == -SOX_SAMPLE_MAX && --clips == 0); d = -1; sample = SOX_FLOAT_64BIT_TO_SAMPLE(d, clips); assert(sample == -SOX_SAMPLE_MAX && clips == 0); d = SOX_SAMPLE_TO_FLOAT_64BIT(sample,clips); assert(d == -1 && clips == 0); --sample; d = SOX_SAMPLE_TO_FLOAT_64BIT(sample,clips); assert(d == -1 && --clips == 0); d = 1; sample = SOX_FLOAT_64BIT_TO_SAMPLE(d, clips); assert(sample == SOX_SAMPLE_MAX && clips == 0); d = SOX_SAMPLE_TO_FLOAT_64BIT(sample,clips); assert(d == 1 && clips == 0); d = 1.0000000001; sample = SOX_FLOAT_64BIT_TO_SAMPLE(d, clips); assert(sample == SOX_SAMPLE_MAX && --clips == 0); return 0; }