diff options
Diffstat (limited to 'chromium/third_party/webrtc/modules/audio_coding/neteq/tools/rtp_generator.cc')
-rw-r--r-- | chromium/third_party/webrtc/modules/audio_coding/neteq/tools/rtp_generator.cc | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/chromium/third_party/webrtc/modules/audio_coding/neteq/tools/rtp_generator.cc b/chromium/third_party/webrtc/modules/audio_coding/neteq/tools/rtp_generator.cc new file mode 100644 index 00000000000..17ac209f1d9 --- /dev/null +++ b/chromium/third_party/webrtc/modules/audio_coding/neteq/tools/rtp_generator.cc @@ -0,0 +1,48 @@ +/* + * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include <assert.h> + +#include "webrtc/modules/audio_coding/neteq/tools/rtp_generator.h" + +namespace webrtc { +namespace test { + +uint32_t RtpGenerator::GetRtpHeader(uint8_t payload_type, + size_t payload_length_samples, + WebRtcRTPHeader* rtp_header) { + assert(rtp_header); + if (!rtp_header) { + return 0; + } + rtp_header->header.sequenceNumber = seq_number_++; + rtp_header->header.timestamp = timestamp_; + timestamp_ += static_cast<uint32_t>(payload_length_samples); + rtp_header->header.payloadType = payload_type; + rtp_header->header.markerBit = false; + rtp_header->header.ssrc = ssrc_; + rtp_header->header.numCSRCs = 0; + rtp_header->frameType = kAudioFrameSpeech; + + uint32_t this_send_time = next_send_time_ms_; + assert(samples_per_ms_ > 0); + next_send_time_ms_ += ((1.0 + drift_factor_) * payload_length_samples) / + samples_per_ms_; + return this_send_time; +} + +void RtpGenerator::set_drift_factor(double factor) { + if (factor > -1.0) { + drift_factor_ = factor; + } +} + +} // namespace test +} // namespace webrtc |