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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 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 |
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305 // is zero. | 305 // is zero. |
306 header.extension.hasTransmissionTimeOffset = false; | 306 header.extension.hasTransmissionTimeOffset = false; |
307 header.extension.transmissionTimeOffset = 0; | 307 header.extension.transmissionTimeOffset = 0; |
308 | 308 |
309 // May not be present in packet. | 309 // May not be present in packet. |
310 header.extension.hasAbsoluteSendTime = false; | 310 header.extension.hasAbsoluteSendTime = false; |
311 header.extension.absoluteSendTime = 0; | 311 header.extension.absoluteSendTime = 0; |
312 | 312 |
313 // May not be present in packet. | 313 // May not be present in packet. |
314 header.extension.hasAudioLevel = false; | 314 header.extension.hasAudioLevel = false; |
| 315 header.extension.voiceActivity = false; |
315 header.extension.audioLevel = 0; | 316 header.extension.audioLevel = 0; |
316 | 317 |
317 // May not be present in packet. | 318 // May not be present in packet. |
318 header.extension.hasVideoRotation = false; | 319 header.extension.hasVideoRotation = false; |
319 header.extension.videoRotation = 0; | 320 header.extension.videoRotation = 0; |
320 | 321 |
321 if (X) { | 322 if (X) { |
322 /* RTP header extension, RFC 3550. | 323 /* RTP header extension, RFC 3550. |
323 0 1 2 3 | 324 0 1 2 3 |
324 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 | 325 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
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416 if (len != 0) { | 417 if (len != 0) { |
417 LOG(LS_WARNING) << "Incorrect audio level len: " << len; | 418 LOG(LS_WARNING) << "Incorrect audio level len: " << len; |
418 return; | 419 return; |
419 } | 420 } |
420 // 0 1 | 421 // 0 1 |
421 // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 | 422 // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 |
422 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | 423 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
423 // | ID | len=0 |V| level | | 424 // | ID | len=0 |V| level | |
424 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | 425 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
425 // | 426 // |
426 | 427 header.extension.audioLevel = ptr[0] & 0x7f; |
427 // Parse out the fields but only use it for debugging for now. | 428 header.extension.voiceActivity = (ptr[0] & 0x80) != 0; |
428 // const uint8_t V = (*ptr & 0x80) >> 7; | |
429 // const uint8_t level = (*ptr & 0x7f); | |
430 // DEBUG_PRINT("RTP_AUDIO_LEVEL_UNIQUE_ID: ID=%u, len=%u, V=%u, | |
431 // level=%u", ID, len, V, level); | |
432 | |
433 header.extension.audioLevel = ptr[0]; | |
434 header.extension.hasAudioLevel = true; | 429 header.extension.hasAudioLevel = true; |
435 break; | 430 break; |
436 } | 431 } |
437 case kRtpExtensionAbsoluteSendTime: { | 432 case kRtpExtensionAbsoluteSendTime: { |
438 if (len != 2) { | 433 if (len != 2) { |
439 LOG(LS_WARNING) << "Incorrect absolute send time len: " << len; | 434 LOG(LS_WARNING) << "Incorrect absolute send time len: " << len; |
440 return; | 435 return; |
441 } | 436 } |
442 // 0 1 2 3 | 437 // 0 1 2 3 |
443 // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 | 438 // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
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504 return num_zero_bytes; | 499 return num_zero_bytes; |
505 } | 500 } |
506 ptr++; | 501 ptr++; |
507 num_zero_bytes++; | 502 num_zero_bytes++; |
508 } | 503 } |
509 return num_zero_bytes; | 504 return num_zero_bytes; |
510 } | 505 } |
511 } // namespace RtpUtility | 506 } // namespace RtpUtility |
512 | 507 |
513 } // namespace webrtc | 508 } // namespace webrtc |
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