Removed the indirect error message reporting in aec and aecm.

webrtc/modules/audio_processing/aecm/include/echo_control_mobile.h

Index: webrtc/modules/audio_processing/aecm/include/echo_control_mobile.h
diff --git a/webrtc/modules/audio_processing/aecm/include/echo_control_mobile.h b/webrtc/modules/audio_processing/aecm/include/echo_control_mobile.h
index 7ae15c2a3d62d7fc7cf620110e61ac788cbe548a..b29f078bf7f3227843f2fee544fd30fa14e1b1ff 100644
--- a/webrtc/modules/audio_processing/aecm/include/echo_control_mobile.h
+++ b/webrtc/modules/audio_processing/aecm/include/echo_control_mobile.h
@@ -66,7 +66,7 @@ void WebRtcAecm_Free(void* aecmInst);
  * Outputs                      Description
  * -------------------------------------------------------------------
  * int32_t        return        0: OK
- *                             -1: error
+ *                              1200-12004,12100: error/warning
  */
 int32_t WebRtcAecm_Init(void* aecmInst, int32_t sampFreq);
 
@@ -83,13 +83,32 @@ int32_t WebRtcAecm_Init(void* aecmInst, int32_t sampFreq);
  * 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
@@ -112,7 +131,7 @@ int32_t WebRtcAecm_BufferFarend(void* aecmInst,
  * -------------------------------------------------------------------
  * 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,
@@ -133,27 +152,11 @@ int32_t WebRtcAecm_Process(void* aecmInst,
  * 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
@@ -165,7 +168,7 @@ int32_t WebRtcAecm_get_config(void *aecmInst, AecmConfig *config);
  * Outputs                      Description
  * -------------------------------------------------------------------
  * int32_t      return          0: OK
- *                             -1: error
+ *                              1200-12004,12100: error/warning
  */
 int32_t WebRtcAecm_InitEchoPath(void* aecmInst,
                                 const void* echo_path,
@@ -184,7 +187,7 @@ int32_t WebRtcAecm_InitEchoPath(void* aecmInst,
  * Outputs                      Description
  * -------------------------------------------------------------------
  * int32_t      return          0: OK
- *                             -1: error
+ *                              1200-12004,12100: error/warning
  */
 int32_t WebRtcAecm_GetEchoPath(void* aecmInst,
                                void* echo_path,
@@ -199,18 +202,6 @@ int32_t WebRtcAecm_GetEchoPath(void* aecmInst,
  */
 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
 }