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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 |
| 11 #ifndef WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_RTP_GENERATOR_H_ | 11 #ifndef WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_RTP_GENERATOR_H_ |
| 12 #define WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_RTP_GENERATOR_H_ | 12 #define WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_RTP_GENERATOR_H_ |
| 13 | 13 |
| 14 #include "webrtc/base/constructormagic.h" | 14 #include "webrtc/base/constructormagic.h" |
| 15 #include "webrtc/modules/include/module_common_types.h" | 15 #include "webrtc/common_types.h" |
| 16 #include "webrtc/typedefs.h" | 16 #include "webrtc/typedefs.h" |
| 17 | 17 |
| 18 namespace webrtc { | 18 namespace webrtc { |
| 19 namespace test { | 19 namespace test { |
| 20 | 20 |
| 21 // Class for generating RTP headers. | 21 // Class for generating RTP headers. |
| 22 class RtpGenerator { | 22 class RtpGenerator { |
| 23 public: | 23 public: |
| 24 RtpGenerator(int samples_per_ms, | 24 RtpGenerator(int samples_per_ms, |
| 25 uint16_t start_seq_number = 0, | 25 uint16_t start_seq_number = 0, |
| 26 uint32_t start_timestamp = 0, | 26 uint32_t start_timestamp = 0, |
| 27 uint32_t start_send_time_ms = 0, | 27 uint32_t start_send_time_ms = 0, |
| 28 uint32_t ssrc = 0x12345678) | 28 uint32_t ssrc = 0x12345678) |
| 29 : seq_number_(start_seq_number), | 29 : seq_number_(start_seq_number), |
| 30 timestamp_(start_timestamp), | 30 timestamp_(start_timestamp), |
| 31 next_send_time_ms_(start_send_time_ms), | 31 next_send_time_ms_(start_send_time_ms), |
| 32 ssrc_(ssrc), | 32 ssrc_(ssrc), |
| 33 samples_per_ms_(samples_per_ms), | 33 samples_per_ms_(samples_per_ms), |
| 34 drift_factor_(0.0) { | 34 drift_factor_(0.0) { |
| 35 } | 35 } |
| 36 | 36 |
| 37 virtual ~RtpGenerator() {} | 37 virtual ~RtpGenerator() {} |
| 38 | 38 |
| 39 // Writes the next RTP header to |rtp_header|, which will be of type | 39 // Writes the next RTP header to |rtp_header|, which will be of type |
| 40 // |payload_type|. Returns the send time for this packet (in ms). The value of | 40 // |payload_type|. Returns the send time for this packet (in ms). The value of |
| 41 // |payload_length_samples| determines the send time for the next packet. | 41 // |payload_length_samples| determines the send time for the next packet. |
| 42 virtual uint32_t GetRtpHeader(uint8_t payload_type, | 42 virtual uint32_t GetRtpHeader(uint8_t payload_type, |
| 43 size_t payload_length_samples, | 43 size_t payload_length_samples, |
| 44 WebRtcRTPHeader* rtp_header); | 44 RTPHeader* rtp_header); |
| 45 | 45 |
| 46 void set_drift_factor(double factor); | 46 void set_drift_factor(double factor); |
| 47 | 47 |
| 48 protected: | 48 protected: |
| 49 uint16_t seq_number_; | 49 uint16_t seq_number_; |
| 50 uint32_t timestamp_; | 50 uint32_t timestamp_; |
| 51 uint32_t next_send_time_ms_; | 51 uint32_t next_send_time_ms_; |
| 52 const uint32_t ssrc_; | 52 const uint32_t ssrc_; |
| 53 const int samples_per_ms_; | 53 const int samples_per_ms_; |
| 54 double drift_factor_; | 54 double drift_factor_; |
| 55 | 55 |
| 56 private: | 56 private: |
| 57 RTC_DISALLOW_COPY_AND_ASSIGN(RtpGenerator); | 57 RTC_DISALLOW_COPY_AND_ASSIGN(RtpGenerator); |
| 58 }; | 58 }; |
| 59 | 59 |
| 60 class TimestampJumpRtpGenerator : public RtpGenerator { | 60 class TimestampJumpRtpGenerator : public RtpGenerator { |
| 61 public: | 61 public: |
| 62 TimestampJumpRtpGenerator(int samples_per_ms, | 62 TimestampJumpRtpGenerator(int samples_per_ms, |
| 63 uint16_t start_seq_number, | 63 uint16_t start_seq_number, |
| 64 uint32_t start_timestamp, | 64 uint32_t start_timestamp, |
| 65 uint32_t jump_from_timestamp, | 65 uint32_t jump_from_timestamp, |
| 66 uint32_t jump_to_timestamp) | 66 uint32_t jump_to_timestamp) |
| 67 : RtpGenerator(samples_per_ms, start_seq_number, start_timestamp), | 67 : RtpGenerator(samples_per_ms, start_seq_number, start_timestamp), |
| 68 jump_from_timestamp_(jump_from_timestamp), | 68 jump_from_timestamp_(jump_from_timestamp), |
| 69 jump_to_timestamp_(jump_to_timestamp) {} | 69 jump_to_timestamp_(jump_to_timestamp) {} |
| 70 | 70 |
| 71 uint32_t GetRtpHeader(uint8_t payload_type, | 71 uint32_t GetRtpHeader(uint8_t payload_type, |
| 72 size_t payload_length_samples, | 72 size_t payload_length_samples, |
| 73 WebRtcRTPHeader* rtp_header) override; | 73 RTPHeader* rtp_header) override; |
| 74 | 74 |
| 75 private: | 75 private: |
| 76 uint32_t jump_from_timestamp_; | 76 uint32_t jump_from_timestamp_; |
| 77 uint32_t jump_to_timestamp_; | 77 uint32_t jump_to_timestamp_; |
| 78 RTC_DISALLOW_COPY_AND_ASSIGN(TimestampJumpRtpGenerator); | 78 RTC_DISALLOW_COPY_AND_ASSIGN(TimestampJumpRtpGenerator); |
| 79 }; | 79 }; |
| 80 | 80 |
| 81 } // namespace test | 81 } // namespace test |
| 82 } // namespace webrtc | 82 } // namespace webrtc |
| 83 #endif // WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_RTP_GENERATOR_H_ | 83 #endif // WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_RTP_GENERATOR_H_ |
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