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dct-test: document the number of bits we use for testing.

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Michael Niedermayer 2011-10-08 19:58:27 +02:00
parent 3d5971d9f7
commit db27bef747
1 changed files with 2 additions and 1 deletions
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libavcodec/dct-test.c
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@ -511,10 +511,11 @@ static void idct248_error(const char *name,
static void help(void)
{
printf("dct-test [-i] [<test-number>]\n"
printf("dct-test [-i] [<test-number>] [<bits>]\n"
"test-number 0 -> test with random matrixes\n"
" 1 -> test with random sparse matrixes\n"
" 2 -> do 3. test from mpeg4 std\n"
"bits Number of time domain bits to use, 8 is default\n"
"-i test IDCT implementations\n"
"-4 test IDCT248 implementations\n"
"-t speed test\n");