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test: add more lossless tests

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Also test that S16->F32->S32 and U16->F32->U32 are lossless.
This commit is contained in:
Wim Taymans 2023-04-06 09:59:11 +02:00
parent edf2062830
commit 463e723a1e
1 changed files with 13 additions and 5 deletions
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18
spa/plugins/audioconvert/test-fmt-ops.c
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@ -546,13 +546,17 @@ static void test_lossless_u8(void)
} }
static void test_lossless_s16(void) static void test_lossless_s16(void)
{ {
int16_t i; int32_t i;
fprintf(stderr, "test %s:\n", __func__); fprintf(stderr, "test %s:\n", __func__);
for (i = S16_MIN; i < S16_MAX; i+=3) { for (i = S16_MIN; i <= S16_MAX; i+=3) {
float v = S16_TO_F32(i); float v = S16_TO_F32((int16_t)i);
int16_t t = F32_TO_S16(v); int16_t t = F32_TO_S16(v);
spa_assert_se(i == t); spa_assert_se(i == t);
int32_t t2 = F32_TO_S32(v);
spa_assert_se(i<<16 == t2);
spa_assert_se(i == t2>>16);
} }
} }
@ -561,10 +565,14 @@ static void test_lossless_u16(void)
uint32_t i; uint32_t i;
fprintf(stderr, "test %s:\n", __func__); fprintf(stderr, "test %s:\n", __func__);
for (i = U16_MIN; i < U16_MAX; i+=3) { for (i = U16_MIN; i <= U16_MAX; i+=3) {
float v = U16_TO_F32(i); float v = U16_TO_F32((uint16_t)i);
uint16_t t = F32_TO_U16(v); uint16_t t = F32_TO_U16(v);
spa_assert_se(i == t); spa_assert_se(i == t);
uint32_t t2 = F32_TO_U32(v);
spa_assert_se(i<<16 == t2);
spa_assert_se(i == t2>>16);
} }
} }