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| 1 /* | 1 /* |
| 2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2016 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 | 10 |
| 11 #include "webrtc/common_video/h264/pps_parser.h" | 11 #include "webrtc/common_video/h264/pps_parser.h" |
| 12 | 12 |
| 13 #include <memory> | 13 #include <memory> |
| 14 #include <vector> | 14 #include <vector> |
| 15 | 15 |
| 16 #include "webrtc/common_video/h264/h264_common.h" | 16 #include "webrtc/common_video/h264/h264_common.h" |
| 17 #include "webrtc/base/bitbuffer.h" | 17 #include "webrtc/rtc_base/bitbuffer.h" |
| 18 #include "webrtc/base/logging.h" | 18 #include "webrtc/rtc_base/logging.h" |
| 19 | 19 |
| 20 #define RETURN_EMPTY_ON_FAIL(x) \ | 20 #define RETURN_EMPTY_ON_FAIL(x) \ |
| 21 if (!(x)) { \ | 21 if (!(x)) { \ |
| 22 return rtc::Optional<PpsParser::PpsState>(); \ | 22 return rtc::Optional<PpsParser::PpsState>(); \ |
| 23 } | 23 } |
| 24 | 24 |
| 25 namespace { | 25 namespace { |
| 26 const int kMaxPicInitQpDeltaValue = 25; | 26 const int kMaxPicInitQpDeltaValue = 25; |
| 27 const int kMinPicInitQpDeltaValue = -26; | 27 const int kMinPicInitQpDeltaValue = -26; |
| 28 } | 28 } |
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| 192 // pic_parameter_set_id: ue(v) | 192 // pic_parameter_set_id: ue(v) |
| 193 if (!bit_buffer->ReadExponentialGolomb(pps_id)) | 193 if (!bit_buffer->ReadExponentialGolomb(pps_id)) |
| 194 return false; | 194 return false; |
| 195 // seq_parameter_set_id: ue(v) | 195 // seq_parameter_set_id: ue(v) |
| 196 if (!bit_buffer->ReadExponentialGolomb(sps_id)) | 196 if (!bit_buffer->ReadExponentialGolomb(sps_id)) |
| 197 return false; | 197 return false; |
| 198 return true; | 198 return true; |
| 199 } | 199 } |
| 200 | 200 |
| 201 } // namespace webrtc | 201 } // namespace webrtc |
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