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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be | 
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. | 
| 4 | 4 | 
| 5 #include <stddef.h> | 5 #include <stddef.h> | 
| 6 #include <stdint.h> | 6 #include <stdint.h> | 
| 7 | 7 | 
| 8 #include "base/numerics/safe_conversions.h" | 8 #include "base/numerics/safe_conversions.h" | 
| 9 #include "media/filters/ivf_parser.h" | 9 #include "media/filters/ivf_parser.h" | 
| 10 #include "media/filters/vp9_parser.h" | 10 #include "media/filters/vp9_parser.h" | 
| 11 | 11 | 
| 12 // Entry point for LibFuzzer. | 12 // Entry point for LibFuzzer. | 
| 13 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { | 13 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { | 
| 14   const uint8_t* ivf_payload = nullptr; | 14   const uint8_t* ivf_payload = nullptr; | 
| 15   media::IvfParser ivf_parser; | 15   media::IvfParser ivf_parser; | 
| 16   media::IvfFileHeader ivf_file_header; | 16   media::IvfFileHeader ivf_file_header; | 
| 17   media::IvfFrameHeader ivf_frame_header; | 17   media::IvfFrameHeader ivf_frame_header; | 
| 18 | 18 | 
| 19   if (!ivf_parser.Initialize(data, size, &ivf_file_header)) | 19   if (!ivf_parser.Initialize(data, size, &ivf_file_header)) | 
| 20     return 0; | 20     return 0; | 
| 21 | 21 | 
| 22   // Parse until the end of stream/unsupported stream/error in stream is found. | 22   // Parse until the end of stream/unsupported stream/error in stream is found. | 
| 23   while (ivf_parser.ParseNextFrame(&ivf_frame_header, &ivf_payload)) { | 23   while (ivf_parser.ParseNextFrame(&ivf_frame_header, &ivf_payload)) { | 
| 24     // TODO(kcwu): fuzzing with parsing_compressed_header=true. | 24     // TODO(kcwu): fuzzing with parsing_compressed_header=true. | 
| 25     media::Vp9Parser vp9_parser(false); | 25     media::Vp9Parser vp9_parser(false); | 
| 26     media::Vp9FrameHeader vp9_frame_header; | 26     media::Vp9FrameHeader vp9_frame_header; | 
| 27     vp9_parser.SetStream(ivf_payload, ivf_frame_header.frame_size); | 27     vp9_parser.SetStream(ivf_payload, ivf_frame_header.frame_size); | 
| 28     while (vp9_parser.ParseNextFrame(&vp9_frame_header, nullptr) == | 28     while (vp9_parser.ParseNextFrame(&vp9_frame_header) == | 
| 29            media::Vp9Parser::kOk) { | 29            media::Vp9Parser::kOk) { | 
| 30       // Repeat until all frames processed. | 30       // Repeat until all frames processed. | 
| 31     } | 31     } | 
| 32   } | 32   } | 
| 33 | 33 | 
| 34   return 0; | 34   return 0; | 
| 35 } | 35 } | 
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