Removed the indirect error message reporting in aec and aecm.

webrtc/modules/audio_processing/aecm/include/echo_control_mobile.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 48 matching lines @@
  * Initializes an AECM instance.
  *
  * Inputs                       Description
  * -------------------------------------------------------------------
  * void*          aecmInst      Pointer to the AECM instance
  * int32_t        sampFreq      Sampling frequency of data
  *
  * Outputs                      Description
  * -------------------------------------------------------------------
  * int32_t        return        0: OK
- *                             -1: error
+ *                              1200-12004,12100: error/warning
  */
 int32_t WebRtcAecm_Init(void* aecmInst, int32_t sampFreq);
 
 /*
  * Inserts an 80 or 160 sample block of data into the farend buffer.
  *
  * Inputs                       Description
  * -------------------------------------------------------------------
  * void*          aecmInst      Pointer to the AECM instance
  * int16_t*       farend        In buffer containing one frame of
  *                              farend signal
  * int16_t        nrOfSamples   Number of samples in farend buffer
  *
  * Outputs                      Description
  * -------------------------------------------------------------------
  * int32_t        return        0: OK
- *                             -1: error
+ *                              1200-12004,12100: error/warning
  */
 int32_t WebRtcAecm_BufferFarend(void* aecmInst,
                                 const int16_t* farend,
                                 size_t nrOfSamples);
 
 /*
+ * Reports any errors that would arise when buffering a farend buffer.
+ *
+ * Inputs                       Description
+ * -------------------------------------------------------------------
+ * void*          aecmInst      Pointer to the AECM instance
+ * int16_t*       farend        In buffer containing one frame of
+ *                              farend signal
+ * int16_t        nrOfSamples   Number of samples in farend buffer
+ *
+ * Outputs                      Description
+ * -------------------------------------------------------------------
+ * int32_t        return        0: OK
+ *                              1200-12004,12100: error/warning
+ */
+int32_t WebRtcAecm_GetBufferFarendError(void* aecmInst,
+                                        const int16_t* farend,
+                                        size_t nrOfSamples);
+
+/*
  * Runs the AECM on an 80 or 160 sample blocks of data.
  *
  * Inputs                        Description
  * -------------------------------------------------------------------
  * void*          aecmInst       Pointer to the AECM instance
  * int16_t*       nearendNoisy   In buffer containing one frame of
  *                               reference nearend+echo signal. If
  *                               noise reduction is active, provide
  *                               the noisy signal here.
  * int16_t*       nearendClean   In buffer containing one frame of
  *                               nearend+echo signal. If noise
  *                               reduction is active, provide the
  *                               clean signal here. Otherwise pass a
  *                               NULL pointer.
  * int16_t        nrOfSamples    Number of samples in nearend buffer
  * int16_t        msInSndCardBuf Delay estimate for sound card and
  *                               system buffers
  *
  * Outputs                       Description
  * -------------------------------------------------------------------
  * int16_t*       out            Out buffer, one frame of processed nearend
  * int32_t        return         0: OK
- *                              -1: error
+ *                               1200-12004,12100: error/warning
  */
 int32_t WebRtcAecm_Process(void* aecmInst,
                            const int16_t* nearendNoisy,
                            const int16_t* nearendClean,
                            int16_t* out,
                            size_t nrOfSamples,
                            int16_t msInSndCardBuf);
 
 /*
  * This function enables the user to set certain parameters on-the-fly
  *
  * Inputs                       Description
  * -------------------------------------------------------------------
  * void*          aecmInst      Pointer to the AECM instance
  * AecmConfig     config        Config instance that contains all
  *                              properties to be set
  *
  * Outputs                      Description
  * -------------------------------------------------------------------
  * int32_t        return        0: OK
- *                             -1: error
+ *                              1200-12004,12100: error/warning
  */
 int32_t WebRtcAecm_set_config(void* aecmInst, AecmConfig config);
 
 /*
- * This function enables the user to set certain parameters on-the-fly
- *
- * Inputs                       Description
- * -------------------------------------------------------------------
- * void*          aecmInst      Pointer to the AECM instance
- *
- * Outputs                      Description
- * -------------------------------------------------------------------
- * AecmConfig*    config        Pointer to the config instance that
- *                              all properties will be written to
- * int32_t        return        0: OK
- *                             -1: error
- */
-int32_t WebRtcAecm_get_config(void *aecmInst, AecmConfig *config);
-
-/*
  * This function enables the user to set the echo path on-the-fly.
  *
  * Inputs                       Description
  * -------------------------------------------------------------------
  * void*        aecmInst        Pointer to the AECM instance
  * void*        echo_path       Pointer to the echo path to be set
  * size_t       size_bytes      Size in bytes of the echo path
  *
  * Outputs                      Description
  * -------------------------------------------------------------------
  * int32_t      return          0: OK
- *                             -1: error
+ *                              1200-12004,12100: error/warning
  */
 int32_t WebRtcAecm_InitEchoPath(void* aecmInst,
                                 const void* echo_path,
                                 size_t size_bytes);
 
 /*
  * This function enables the user to get the currently used echo path
  * on-the-fly
  *
  * Inputs                       Description
  * -------------------------------------------------------------------
  * void*        aecmInst        Pointer to the AECM instance
  * void*        echo_path       Pointer to echo path
  * size_t       size_bytes      Size in bytes of the echo path
  *
  * Outputs                      Description
  * -------------------------------------------------------------------
  * int32_t      return          0: OK
- *                             -1: error
+ *                              1200-12004,12100: error/warning
  */
 int32_t WebRtcAecm_GetEchoPath(void* aecmInst,
                                void* echo_path,
                                size_t size_bytes);
 
 /*
  * This function enables the user to get the echo path size in bytes
  *
  * Outputs                      Description
  * -------------------------------------------------------------------
  * size_t       return          Size in bytes
  */
 size_t WebRtcAecm_echo_path_size_bytes();
 
-/*
- * Gets the last error code.
- *
- * Inputs                       Description
- * -------------------------------------------------------------------
- * void*          aecmInst      Pointer to the AECM instance
- *
- * Outputs                      Description
- * -------------------------------------------------------------------
- * int32_t        return        11000-11100: error code
- */
-int32_t WebRtcAecm_get_error_code(void *aecmInst);
 
 #ifdef __cplusplus
 }
 #endif
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_AECM_INCLUDE_ECHO_CONTROL_MOBILE_H_