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| 1 /* | 1 /* |
| 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ | 9 */ |
| 10 #include "webrtc/common_video/h264/h264_bitstream_parser.h" | 10 #include "webrtc/common_video/h264/h264_bitstream_parser.h" |
| 11 | 11 |
| 12 #include <memory> | 12 #include <memory> |
| 13 #include <vector> | 13 #include <vector> |
| 14 | 14 |
| 15 #include "webrtc/base/bitbuffer.h" | 15 #include "webrtc/rtc_base/bitbuffer.h" |
| 16 #include "webrtc/base/checks.h" | 16 #include "webrtc/rtc_base/checks.h" |
| 17 | 17 |
| 18 #include "webrtc/common_video/h264/h264_common.h" | 18 #include "webrtc/common_video/h264/h264_common.h" |
| 19 #include "webrtc/base/logging.h" | 19 #include "webrtc/rtc_base/logging.h" |
| 20 | 20 |
| 21 namespace { | 21 namespace { |
| 22 const int kMaxAbsQpDeltaValue = 51; | 22 const int kMaxAbsQpDeltaValue = 51; |
| 23 const int kMinQpValue = 0; | 23 const int kMinQpValue = 0; |
| 24 const int kMaxQpValue = 51; | 24 const int kMaxQpValue = 51; |
| 25 } | 25 } |
| 26 | 26 |
| 27 namespace webrtc { | 27 namespace webrtc { |
| 28 | 28 |
| 29 #define RETURN_ON_FAIL(x, res) \ | 29 #define RETURN_ON_FAIL(x, res) \ |
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| 308 const int parsed_qp = 26 + pps_->pic_init_qp_minus26 + *last_slice_qp_delta_; | 308 const int parsed_qp = 26 + pps_->pic_init_qp_minus26 + *last_slice_qp_delta_; |
| 309 if (parsed_qp < kMinQpValue || parsed_qp > kMaxQpValue) { | 309 if (parsed_qp < kMinQpValue || parsed_qp > kMaxQpValue) { |
| 310 LOG(LS_ERROR) << "Parsed invalid QP from bitstream."; | 310 LOG(LS_ERROR) << "Parsed invalid QP from bitstream."; |
| 311 return false; | 311 return false; |
| 312 } | 312 } |
| 313 *qp = parsed_qp; | 313 *qp = parsed_qp; |
| 314 return true; | 314 return true; |
| 315 } | 315 } |
| 316 | 316 |
| 317 } // namespace webrtc | 317 } // namespace webrtc |
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