And use a single AVPacket for the entire process.
This more closely follows the suggested API usage in the doxy.
Signed-off-by: James Almer
---
tools/target_bsf_fuzzer.c | 41 +++
1 file changed, 16 insertions(+), 25 deletions(-)
diff --git a/tools/target_bsf_fuzzer.c b/tools/target_bsf_fuzzer.c
index d6aaee3bd9..8ef9932690 100644
--- a/tools/target_bsf_fuzzer.c
+++ b/tools/target_bsf_fuzzer.c
@@ -43,7 +43,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
const uint8_t *last = data;
const uint8_t *end = data + size;
AVBSFContext *bsf = NULL;
-AVPacket *in, *out;
+AVPacket *pkt;
uint64_t keyframes = 0;
uint64_t flushpattern = -1;
int res;
@@ -118,9 +118,8 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t
size) {
return 0; // Failure of av_bsf_init() does not imply that a issue was
found
}
-in = av_packet_alloc();
-out = av_packet_alloc();
-if (!in || !out)
+pkt = av_packet_alloc();
+if (!pkt)
error("Failed memory allocation");
while (data < end) {
@@ -133,11 +132,11 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t
size) {
if (data + sizeof(fuzz_tag) > end)
data = end;
-res = av_new_packet(in, data - last);
+res = av_new_packet(pkt, data - last);
if (res < 0)
error("Failed memory allocation");
-memcpy(in->data, last, data - last);
-in->flags = (keyframes & 1) * AV_PKT_FLAG_DISCARD + (!!(keyframes &
2)) * AV_PKT_FLAG_KEY;
+memcpy(pkt->data, last, data - last);
+pkt->flags = (keyframes & 1) * AV_PKT_FLAG_DISCARD + (!!(keyframes &
2)) * AV_PKT_FLAG_KEY;
keyframes = (keyframes >> 2) + (keyframes<<62);
data += sizeof(fuzz_tag);
last = data;
@@ -146,28 +145,20 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t
size) {
av_bsf_flush(bsf);
flushpattern = (flushpattern >> 3) + (flushpattern << 61);
-while (in->size) {
-res = av_bsf_send_packet(bsf, in);
-if (res < 0 && res != AVERROR(EAGAIN))
-break;
-res = av_bsf_receive_packet(bsf, out);
-if (res < 0)
-break;
-av_packet_unref(out);
+res = av_bsf_send_packet(bsf, pkt);
+if (res < 0) {
+av_packet_unref(pkt);
+continue;
}
-av_packet_unref(in);
+while (av_bsf_receive_packet(bsf, pkt) >= 0)
+av_packet_unref(pkt);
}
-res = av_bsf_send_packet(bsf, NULL);
-while (!res) {
-res = av_bsf_receive_packet(bsf, out);
-if (res < 0)
-break;
-av_packet_unref(out);
-}
+av_bsf_send_packet(bsf, NULL);
+while (av_bsf_receive_packet(bsf, pkt) >= 0)
+av_packet_unref(pkt);
-av_packet_free();
-av_packet_free();
+av_packet_free();
av_bsf_free();
return 0;
}
--
2.35.1
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