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lavc/tests/bitstream: test bits_*_signed_nz and bits_peek_signed*

This commit is contained in:
Anton Khirnov 2023-01-15 10:41:21 +01:00
parent 0b33310cd0
commit ba36e6ed52
1 changed files with 18 additions and 1 deletions
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19
libavcodec/tests/bitstream_template.c
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@ -42,6 +42,7 @@ enum Op {
OP_READ_63,
OP_READ_64,
OP_READ_SIGNED,
OP_READ_SIGNED_NZ,
OP_APPLY_SIGN,
OP_ALIGN,
OP_NB,
@ -58,7 +59,7 @@ int main(int argc, char **argv)
uint32_t random_seed;
uint64_t val, val1;
int32_t sval;
int32_t sval, sval1;
unsigned count;
/* generate random input, using a given or random seed */
@ -130,10 +131,26 @@ int main(int argc, char **argv)
break;
case OP_READ_SIGNED:
count = av_lfg_get(&lfg) % FFMIN(33, bits_left(&bc) + 1);
sval1 = bits_peek_signed(&bc, count);
sval = bits_read_signed(&bc, count);
fprintf(stderr, "%d read_signed %u: %"PRId32"\n", bits_tell(&bc) - count, count, sval);
av_assert0(sval == sval1);
if (count == 32) put_bits32(&pb, sval);
else put_sbits(&pb, count, sval);
break;
case OP_READ_SIGNED_NZ:
count = av_lfg_get(&lfg) % FFMIN(33, bits_left(&bc) + 1);
count = FFMAX(count, 1);
sval1 = bits_peek_signed_nz(&bc, count);
sval = bits_read_signed_nz(&bc, count);
fprintf(stderr, "%d read_signed_nz %u: %"PRId32"\n", bits_tell(&bc) - count, count, sval);
av_assert0(sval == sval1);
if (count == 32) put_bits32(&pb, sval);
else put_sbits(&pb, count, sval);
break;