Adds detection of audio glitches for playout on iOS.
Bug: b/38018041
Change-Id: If6b53d3909a52333543c8aade500fd4c26b47255
Reviewed-on: https://chromium-review.googlesource.com/522563
Commit-Queue: Henrik Andreasson <henrika@webrtc.org>
Reviewed-by: Minyue Li <minyue@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#18570}diff --git a/webrtc/modules/audio_device/audio_device_buffer.cc b/webrtc/modules/audio_device/audio_device_buffer.cc
index 8b49a3f..b074c67 100644
--- a/webrtc/modules/audio_device/audio_device_buffer.cc
+++ b/webrtc/modules/audio_device/audio_device_buffer.cc
@@ -9,6 +9,7 @@
*/
#include <algorithm>
+#include <cmath>
#include "webrtc/modules/audio_device/audio_device_buffer.h"
@@ -36,6 +37,9 @@
static const size_t kMinValidCallTimeTimeInSeconds = 10;
static const size_t kMinValidCallTimeTimeInMilliseconds =
kMinValidCallTimeTimeInSeconds * rtc::kNumMillisecsPerSec;
+#ifdef AUDIO_DEVICE_PLAYS_SINUS_TONE
+static const double k2Pi = 6.28318530717959;
+#endif
AudioDeviceBuffer::AudioDeviceBuffer()
: task_queue_(kTimerQueueName),
@@ -60,6 +64,10 @@
only_silence_recorded_(true),
log_stats_(false) {
LOG(INFO) << "AudioDeviceBuffer::ctor";
+#ifdef AUDIO_DEVICE_PLAYS_SINUS_TONE
+ phase_ = 0.0;
+ LOG(WARNING) << "AUDIO_DEVICE_PLAYS_SINUS_TONE is defined!";
+#endif
playout_thread_checker_.DetachFromThread();
recording_thread_checker_.DetachFromThread();
}
@@ -391,9 +399,18 @@
int32_t AudioDeviceBuffer::GetPlayoutData(void* audio_buffer) {
RTC_DCHECK_RUN_ON(&playout_thread_checker_);
RTC_DCHECK_GT(play_buffer_.size(), 0);
- const size_t bytes_per_sample = sizeof(int16_t);
+#ifdef AUDIO_DEVICE_PLAYS_SINUS_TONE
+ const double phase_increment =
+ k2Pi * 440.0 / static_cast<double>(play_sample_rate_);
+ int16_t* destination_r = reinterpret_cast<int16_t*>(audio_buffer);
+ for (size_t i = 0; i < play_buffer_.size(); ++i) {
+ destination_r[i] = static_cast<int16_t>((sin(phase_) * (1 << 14)));
+ phase_ += phase_increment;
+ }
+#else
memcpy(audio_buffer, play_buffer_.data(),
- play_buffer_.size() * bytes_per_sample);
+ play_buffer_.size() * sizeof(int16_t));
+#endif
// Return samples per channel or number of frames.
return static_cast<int32_t>(play_buffer_.size() / play_channels_);
}