fe32a76d60
This change adds fuzzer tests for iLBC, iSAC fix and float, and Opus. The fuzzer function takes a random input vector and splits it into a number of payloads. The lengths of the payloads is also determined by the random vector. The payloads are decoded with the decoders. BUG=webrtc:5306 R=kjellander@webrtc.org, pbos@webrtc.org Review URL: https://codereview.webrtc.org/1499093002 . Cr-Commit-Position: refs/heads/master@{#10932}
50 lines
1.8 KiB
C++
50 lines
1.8 KiB
C++
/*
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* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/test/fuzzers/audio_decoder_fuzzer.h"
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#include "webrtc/base/checks.h"
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#include "webrtc/modules/audio_coding/codecs/audio_decoder.h"
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namespace webrtc {
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namespace {
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size_t PacketSizeFromTwoBytes(const uint8_t* data, size_t size) {
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if (size < 2)
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return 0;
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return static_cast<size_t>((data[0] << 8) + data[1]);
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}
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} // namespace
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// This function reads two bytes from the beginning of |data|, interprets them
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// as the first packet length, and reads this many bytes if available. The
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// payload is inserted into the decoder, and the process continues until no more
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// data is available.
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void FuzzAudioDecoder(const uint8_t* data,
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size_t size,
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AudioDecoder* decoder,
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int sample_rate_hz,
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size_t max_decoded_bytes,
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int16_t* decoded) {
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const uint8_t* data_ptr = data;
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size_t remaining_size = size;
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size_t packet_len = PacketSizeFromTwoBytes(data_ptr, remaining_size);
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while (packet_len != 0 && packet_len <= remaining_size - 2) {
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data_ptr += 2;
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remaining_size -= 2;
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AudioDecoder::SpeechType speech_type;
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decoder->Decode(data_ptr, packet_len, sample_rate_hz, max_decoded_bytes,
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decoded, &speech_type);
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data_ptr += packet_len;
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remaining_size -= packet_len;
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packet_len = PacketSizeFromTwoBytes(data_ptr, remaining_size);
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}
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}
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} // namespace webrtc
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