pjproject/tests/fuzz/fuzz-h264.c

102 lines
2.8 KiB
C

/*
* Copyright (C) 2023 Teluu Inc. (http://www.teluu.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <pjlib.h>
#include <pjmedia-codec/h264_packetizer.h>
#if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0)
#define kMinInputLength 10
#define kMaxInputLength 5120
pj_pool_factory *mem;
int h264_unpacketizer(const uint8_t *data, size_t size,
uint8_t *output, size_t output_size)
{
int ret = 0;
pj_pool_t *pool;
pj_status_t status;
pjmedia_h264_packetizer_cfg cfg;
pjmedia_h264_packetizer *pktz;
unsigned bits_pos = 0;
pool = pj_pool_create(mem, "h264_test", 1000, 1000, NULL);
pj_bzero(&cfg, sizeof(cfg));
cfg.mtu = 1500;
cfg.unpack_nal_start = 4;
cfg.mode = PJMEDIA_H264_PACKETIZER_MODE_NON_INTERLEAVED;
status = pjmedia_h264_packetizer_create(pool, &cfg, &pktz);
if (status == PJ_SUCCESS) {
status = pjmedia_h264_unpacketize(pktz, data, size, output,
output_size, &bits_pos);
}
pj_pool_release(pool);
return ret;
}
extern int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
{
int ret = 0;
uint8_t *data;
uint8_t *output;
size_t output_size;
pj_caching_pool caching_pool;
if (Size < kMinInputLength || Size > kMaxInputLength) {
return 1;
}
/* Add null termination for the data */
data = (uint8_t *)calloc((Size+1), sizeof(uint8_t));
memcpy((void *)data, (void *)Data, Size);
output_size = Size + 32;
output = (uint8_t *)calloc(output_size, sizeof(uint8_t));
/* Init */
pj_init();
pj_caching_pool_init(&caching_pool, &pj_pool_factory_default_policy, 0);
pj_log_set_level(0);
mem = &caching_pool.factory;
/* Fuzz */
ret = h264_unpacketizer(data, Size, output, output_size);
free(data);
free(output);
pj_caching_pool_destroy(&caching_pool);
return ret;
}
#else
extern int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
{
PJ_UNUSED_ARG(Data);
PJ_UNUSED_ARG(Size);
return 0;
}
#endif