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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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247 header->extension.audioLevel = 0; | 247 header->extension.audioLevel = 0; |
248 | 248 |
249 // May not be present in packet. | 249 // May not be present in packet. |
250 header->extension.hasVideoRotation = false; | 250 header->extension.hasVideoRotation = false; |
251 header->extension.videoRotation = kVideoRotation_0; | 251 header->extension.videoRotation = kVideoRotation_0; |
252 | 252 |
253 // May not be present in packet. | 253 // May not be present in packet. |
254 header->extension.playout_delay.min_ms = -1; | 254 header->extension.playout_delay.min_ms = -1; |
255 header->extension.playout_delay.max_ms = -1; | 255 header->extension.playout_delay.max_ms = -1; |
256 | 256 |
257 // May not be present in packet. | |
258 header->extension.hasVideoContentType = false; | |
259 header->extension.videoContentType = VideoContentType::UNSPECIFIED; | |
260 | |
261 if (X) { | 257 if (X) { |
262 /* RTP header extension, RFC 3550. | 258 /* RTP header extension, RFC 3550. |
263 0 1 2 3 | 259 0 1 2 3 |
264 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 | 260 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 |
265 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | 261 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
266 | defined by profile | length | | 262 | defined by profile | length | |
267 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | 263 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
268 | header extension | | 264 | header extension | |
269 | .... | | 265 | .... | |
270 */ | 266 */ |
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443 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | 439 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
444 | 440 |
445 int min_playout_delay = (ptr[0] << 4) | ((ptr[1] >> 4) & 0xf); | 441 int min_playout_delay = (ptr[0] << 4) | ((ptr[1] >> 4) & 0xf); |
446 int max_playout_delay = ((ptr[1] & 0xf) << 8) | ptr[2]; | 442 int max_playout_delay = ((ptr[1] & 0xf) << 8) | ptr[2]; |
447 header->extension.playout_delay.min_ms = | 443 header->extension.playout_delay.min_ms = |
448 min_playout_delay * PlayoutDelayLimits::kGranularityMs; | 444 min_playout_delay * PlayoutDelayLimits::kGranularityMs; |
449 header->extension.playout_delay.max_ms = | 445 header->extension.playout_delay.max_ms = |
450 max_playout_delay * PlayoutDelayLimits::kGranularityMs; | 446 max_playout_delay * PlayoutDelayLimits::kGranularityMs; |
451 break; | 447 break; |
452 } | 448 } |
453 case kRtpExtensionVideoContentType: { | |
454 if (len != 0) { | |
455 LOG(LS_WARNING) << "Incorrect video content type len: " << len; | |
456 return; | |
457 } | |
458 // 0 1 | |
459 // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 | |
460 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
461 // | ID | len=0 | Content type | | |
462 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
463 | |
464 if (ptr[0] < | |
465 static_cast<uint8_t>(VideoContentType::TOTAL_CONTENT_TYPES)) { | |
466 header->extension.hasVideoContentType = true; | |
467 header->extension.videoContentType = | |
468 static_cast<VideoContentType>(ptr[0]); | |
469 } | |
470 break; | |
471 } | |
472 case kRtpExtensionNone: | 449 case kRtpExtensionNone: |
473 case kRtpExtensionNumberOfExtensions: { | 450 case kRtpExtensionNumberOfExtensions: { |
474 RTC_NOTREACHED() << "Invalid extension type: " << type; | 451 RTC_NOTREACHED() << "Invalid extension type: " << type; |
475 return; | 452 return; |
476 } | 453 } |
477 } | 454 } |
478 } | 455 } |
479 ptr += (len + 1); | 456 ptr += (len + 1); |
480 } | 457 } |
481 } | 458 } |
482 | 459 |
483 } // namespace RtpUtility | 460 } // namespace RtpUtility |
484 } // namespace webrtc | 461 } // namespace webrtc |
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