NetEq: Add new method last_output_sample_rate_hz
This change moves the logics for keeping track of the last ouput
sample rate from AcmReceiver to NetEq, where it fits better. The
getter function AcmReceiver::current_sample_rate_hz() is renamed to
last_output_sample_rate_hz().
BUG=webrtc:3520
Review URL: https://codereview.webrtc.org/1467163002
Cr-Commit-Position: refs/heads/master@{#10754}
diff --git a/webrtc/modules/audio_coding/neteq/include/neteq.h b/webrtc/modules/audio_coding/neteq/include/neteq.h
index 9a1bc17..88677d8 100644
--- a/webrtc/modules/audio_coding/neteq/include/neteq.h
+++ b/webrtc/modules/audio_coding/neteq/include/neteq.h
@@ -251,6 +251,11 @@
// Returns true if the RTP timestamp is valid, otherwise false.
virtual bool GetPlayoutTimestamp(uint32_t* timestamp) = 0;
+ // Returns the sample rate in Hz of the audio produced in the last GetAudio
+ // call. If GetAudio has not been called yet, the configured sample rate
+ // (Config::sample_rate_hz) is returned.
+ virtual int last_output_sample_rate_hz() const = 0;
+
// Not implemented.
virtual int SetTargetNumberOfChannels() = 0;