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author | Michael Niedermayer <michaelni@gmx.at> | 2011-05-01 17:50:34 +0200 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2011-05-02 02:58:09 +0200 |
commit | 007d352c1ca73ffbfa249af51c26abf933c3c842 (patch) | |
tree | cd5ac32b47c77afea22fe9e08c4b727b141e3eef /libavcodec/dct-test.c | |
parent | c92a9d069e8be8f0d71c9e48bed508f32b5d7c2a (diff) | |
download | ffmpeg-streaming-007d352c1ca73ffbfa249af51c26abf933c3c842.zip ffmpeg-streaming-007d352c1ca73ffbfa249af51c26abf933c3c842.tar.gz |
dct-test: Support testing bits>8
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/dct-test.c')
-rw-r--r-- | libavcodec/dct-test.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/libavcodec/dct-test.c b/libavcodec/dct-test.c index f8e981b..2abb05b 100644 --- a/libavcodec/dct-test.c +++ b/libavcodec/dct-test.c @@ -195,7 +195,7 @@ static inline void mmx_emms(void) static void dct_error(const char *name, int is_idct, void (*fdct_func)(DCTELEM *block), - void (*fdct_ref)(DCTELEM *block), int form, int test) + void (*fdct_ref)(DCTELEM *block), int form, int test, const int bits) { int it, i, scale; int err_inf, v; @@ -204,6 +204,7 @@ static void dct_error(const char *name, int is_idct, int maxout=0; int blockSumErrMax=0, blockSumErr; AVLFG prng; + const int vals=1<<bits; av_lfg_init(&prng, 1); @@ -216,7 +217,7 @@ static void dct_error(const char *name, int is_idct, switch(test){ case 0: for(i=0;i<64;i++) - block1[i] = (av_lfg_get(&prng) % 512) -256; + block1[i] = (av_lfg_get(&prng) % (2*vals)) -vals; if (is_idct){ ff_ref_fdct(block1); @@ -227,10 +228,10 @@ static void dct_error(const char *name, int is_idct, case 1:{ int num = av_lfg_get(&prng) % 10 + 1; for(i=0;i<num;i++) - block1[av_lfg_get(&prng) % 64] = av_lfg_get(&prng) % 512 -256; + block1[av_lfg_get(&prng) % 64] = av_lfg_get(&prng) % (2*vals) -vals; }break; case 2: - block1[0] = av_lfg_get(&prng) % 4096 - 2048; + block1[0] = av_lfg_get(&prng) % (16*vals) - (8*vals); block1[63]= (block1[0]&1)^1; break; } @@ -328,7 +329,7 @@ static void dct_error(const char *name, int is_idct, switch(test){ case 0: for(i=0;i<64;i++) - block1[i] = av_lfg_get(&prng) % 512 -256; + block1[i] = av_lfg_get(&prng) % (2*vals) -vals; if (is_idct){ ff_ref_fdct(block1); @@ -338,10 +339,10 @@ static void dct_error(const char *name, int is_idct, break; case 1:{ case 2: - block1[0] = av_lfg_get(&prng) % 512 -256; - block1[1] = av_lfg_get(&prng) % 512 -256; - block1[2] = av_lfg_get(&prng) % 512 -256; - block1[3] = av_lfg_get(&prng) % 512 -256; + block1[0] = av_lfg_get(&prng) % (2*vals) -vals; + block1[1] = av_lfg_get(&prng) % (2*vals) -vals; + block1[2] = av_lfg_get(&prng) % (2*vals) -vals; + block1[3] = av_lfg_get(&prng) % (2*vals) -vals; }break; } @@ -552,6 +553,7 @@ int main(int argc, char **argv) int test_idct = 0, test_248_dct = 0; int c,i; int test=1; + int bits=8; cpu_flags = av_get_cpu_flags(); ff_ref_dct_init(); @@ -582,6 +584,7 @@ int main(int argc, char **argv) } if(optind <argc) test= atoi(argv[optind]); + if(optind+1 < argc) bits= atoi(argv[optind+1]); printf("ffmpeg DCT/IDCT test\n"); @@ -590,7 +593,7 @@ int main(int argc, char **argv) } else { for (i=0;algos[i].name;i++) if (algos[i].is_idct == test_idct && !(~cpu_flags & algos[i].mm_support)) { - dct_error (algos[i].name, algos[i].is_idct, algos[i].func, algos[i].ref, algos[i].format, test); + dct_error (algos[i].name, algos[i].is_idct, algos[i].func, algos[i].ref, algos[i].format, test, bits); } } return 0; |