NetEq: Add new method last_output_sample_rate_hz

webrtc/modules/audio_coding/neteq/neteq_impl.h

 /*
  *  Copyright (c) 2012 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.
  */
 
@@ skipping 150 matching lines @@
 
   // Enables post-decode VAD. When enabled, GetAudio() will return
   // kOutputVADPassive when the signal contains no speech.
   void EnableVad() override;
 
   // Disables post-decode VAD.
   void DisableVad() override;
 
   bool GetPlayoutTimestamp(uint32_t* timestamp) override;
 
+  int last_output_sample_rate_hz() const override;
+
   int SetTargetNumberOfChannels() override;
 
   int SetTargetSampleRate() override;
 
   // Returns the error code for the last occurred error. If no error has
   // occurred, 0 is returned.
   int LastError() const override;
 
   // Returns the error code last returned by a decoder (audio or comfort noise).
   // When LastError() returns kDecoderErrorCode or kComfortNoiseErrorCode, check
@@ skipping 187 matching lines @@
   rtc::scoped_ptr<Normal> normal_ GUARDED_BY(crit_sect_);
   rtc::scoped_ptr<Merge> merge_ GUARDED_BY(crit_sect_);
   rtc::scoped_ptr<Accelerate> accelerate_ GUARDED_BY(crit_sect_);
   rtc::scoped_ptr<PreemptiveExpand> preemptive_expand_ GUARDED_BY(crit_sect_);
   RandomVector random_vector_ GUARDED_BY(crit_sect_);
   rtc::scoped_ptr<ComfortNoise> comfort_noise_ GUARDED_BY(crit_sect_);
   Rtcp rtcp_ GUARDED_BY(crit_sect_);
   StatisticsCalculator stats_ GUARDED_BY(crit_sect_);
   int fs_hz_ GUARDED_BY(crit_sect_);
   int fs_mult_ GUARDED_BY(crit_sect_);
+  int last_output_sample_rate_hz_ GUARDED_BY(crit_sect_);
   size_t output_size_samples_ GUARDED_BY(crit_sect_);
   size_t decoder_frame_length_ GUARDED_BY(crit_sect_);
   Modes last_mode_ GUARDED_BY(crit_sect_);
   rtc::scoped_ptr<int16_t[]> mute_factor_array_ GUARDED_BY(crit_sect_);
   size_t decoded_buffer_length_ GUARDED_BY(crit_sect_);
   rtc::scoped_ptr<int16_t[]> decoded_buffer_ GUARDED_BY(crit_sect_);
   uint32_t playout_timestamp_ GUARDED_BY(crit_sect_);
   bool new_codec_ GUARDED_BY(crit_sect_);
   uint32_t timestamp_ GUARDED_BY(crit_sect_);
   bool reset_decoder_ GUARDED_BY(crit_sect_);
   uint8_t current_rtp_payload_type_ GUARDED_BY(crit_sect_);
   uint8_t current_cng_rtp_payload_type_ GUARDED_BY(crit_sect_);
   uint32_t ssrc_ GUARDED_BY(crit_sect_);
   bool first_packet_ GUARDED_BY(crit_sect_);
   int error_code_ GUARDED_BY(crit_sect_);  // Store last error code.
   int decoder_error_code_ GUARDED_BY(crit_sect_);
   const BackgroundNoiseMode background_noise_mode_ GUARDED_BY(crit_sect_);
   NetEqPlayoutMode playout_mode_ GUARDED_BY(crit_sect_);
   bool enable_fast_accelerate_ GUARDED_BY(crit_sect_);
   rtc::scoped_ptr<Nack> nack_ GUARDED_BY(crit_sect_);
   bool nack_enabled_ GUARDED_BY(crit_sect_);
 
  private:
   RTC_DISALLOW_COPY_AND_ASSIGN(NetEqImpl);
 };
 
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_AUDIO_CODING_NETEQ_NETEQ_IMPL_H_