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authorMichael Niedermayer <michael@niedermayer.cc>2018-12-19 02:40:19 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2018-12-31 17:44:19 +0100
commit0c4af1390f12a391c483086758bcdfd17f3edc63 (patch)
tree004e12c51df52463017b77d45570e1f0bd13d654 /libavcodec/tests
parent1be9a28f8e8cd2553f978670901174a8808b9a1a (diff)
downloadffmpeg-0c4af1390f12a391c483086758bcdfd17f3edc63.tar.gz
avcodec/tests/rangecoder: Test coder more completely
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/tests')
-rw-r--r--libavcodec/tests/rangecoder.c43
1 files changed, 26 insertions, 17 deletions
diff --git a/libavcodec/tests/rangecoder.c b/libavcodec/tests/rangecoder.c
index 76a13e7091..3fd07ed9a9 100644
--- a/libavcodec/tests/rangecoder.c
+++ b/libavcodec/tests/rangecoder.c
@@ -24,41 +24,50 @@
#include "libavcodec/rangecoder.h"
-#define SIZE 10240
+#define SIZE 1240
int main(void)
{
RangeCoder c;
uint8_t b[9 * SIZE];
uint8_t r[9 * SIZE];
- int i;
+ int i, p, actual_length, version;
uint8_t state[10];
AVLFG prng;
av_lfg_init(&prng, 1);
+ for (version = 0; version < 2; version++) {
+ for (p = 0; p< 1024; p++) {
+ ff_init_range_encoder(&c, b, SIZE);
+ ff_build_rac_states(&c, (1LL << 32) / 20, 128 + 64 + 32 + 16);
- ff_init_range_encoder(&c, b, SIZE);
- ff_build_rac_states(&c, (1LL << 32) / 20, 128 + 64 + 32 + 16);
+ memset(state, 128, sizeof(state));
- memset(state, 128, sizeof(state));
+ for (i = 0; i < SIZE; i++)
+ r[i] = av_lfg_get(&prng) % 7;
- for (i = 0; i < SIZE; i++)
- r[i] = av_lfg_get(&prng) % 7;
+ for (i = 0; i < SIZE; i++)
+ put_rac(&c, state, r[i] & 1);
- for (i = 0; i < SIZE; i++)
- put_rac(&c, state, r[i] & 1);
+ actual_length = ff_rac_terminate(&c, version);
- ff_rac_terminate(&c, 0);
+ ff_init_range_decoder(&c, b, version ? SIZE : actual_length);
- ff_init_range_decoder(&c, b, SIZE);
+ memset(state, 128, sizeof(state));
- memset(state, 128, sizeof(state));
-
- for (i = 0; i < SIZE; i++)
- if ((r[i] & 1) != get_rac(&c, state)) {
- av_log(NULL, AV_LOG_ERROR, "rac failure at %d\n", i);
- return 1;
+ for (i = 0; i < SIZE; i++)
+ if ((r[i] & 1) != get_rac(&c, state)) {
+ av_log(NULL, AV_LOG_ERROR, "rac failure at %d pass %d version %d\n", i, p, version);
+ return 1;
+ }
+ if(version)
+ get_rac(&c, (uint8_t[]) { 129 });
+ if (c.bytestream - c.bytestream_start - actual_length != version) {
+ av_log(NULL, AV_LOG_ERROR, "rac failure at pass %d version %d\n", p, version);
+ return 1;
+ }
}
+ }
return 0;
}