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tools/target_bsf_fuzzer: set bitstream filter options 

Should increase coverage with some bitstream filters

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2020-11-14 22:14:24 -03:00
parent 837eb320b8
commit c055a476b2
1 changed files with 12 additions and 0 deletions
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12
tools/target_bsf_fuzzer.c
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@ -18,6 +18,7 @@
#include "config.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/bsf_internal.h"
@ -66,6 +67,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
if (size > 1024) {
GetByteContext gbc;
int extradata_size;
int flags;
size -= 1024;
bytestream2_init(&gbc, data + size, 1024);
bsf->par_in->width = bytestream2_get_le32(&gbc);
@ -88,6 +90,16 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
bsf->par_in->block_align = bytestream2_get_le32(&gbc);
keyframes = bytestream2_get_le64(&gbc);
flushpattern = bytestream2_get_le64(&gbc);
flags = bytestream2_get_byte(&gbc);
if (flags & 0x20) {
if (!strcmp(f->name, "av1_metadata"))
av_opt_set_int(bsf->priv_data, "td", bytestream2_get_byte(&gbc) % 3, 0);
else if (!strcmp(f->name, "h264_metadata") || !strcmp(f->name, "h265_metadata"))
av_opt_set_int(bsf->priv_data, "aud", bytestream2_get_byte(&gbc) % 3, 0);
else if (!strcmp(f->name, "extract_extradata"))
av_opt_set_int(bsf->priv_data, "remove", bytestream2_get_byte(&gbc) & 1, 0);
}
if (extradata_size < size) {
bsf->par_in->extradata = av_mallocz(extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);