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-rw-r--r--chromium/third_party/webrtc/modules/audio_coding/neteq/tools/rtp_generator.cc48
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