Supporting 48kHz PCM file.

webrtc/modules/media_file/media_file_impl.cc

Index: webrtc/modules/media_file/media_file_impl.cc
diff --git a/webrtc/modules/media_file/media_file_impl.cc b/webrtc/modules/media_file/media_file_impl.cc
index e35626c76068d13574d2f4a27402b20dabe1021e..88310a5ef6d0ed01f1bf013325939a92cf4575de 100644
--- a/webrtc/modules/media_file/media_file_impl.cc
+++ b/webrtc/modules/media_file/media_file_impl.cc
@@ -132,6 +132,7 @@ int32_t MediaFileImpl::PlayoutAudioData(int8_t* buffer,
 
         switch(_fileFormat)
         {
+            case kFileFormatPcm48kHzFile:
             case kFileFormatPcm32kHzFile:
             case kFileFormatPcm16kHzFile:
             case kFileFormatPcm8kHzFile:
@@ -479,6 +480,7 @@ int32_t MediaFileImpl::StartPlayingStream(
         case kFileFormatPcm8kHzFile:
         case kFileFormatPcm16kHzFile:
         case kFileFormatPcm32kHzFile:
+        case kFileFormatPcm48kHzFile:
         {
             // ValidFileFormat() called in the beginneing of this function
             // prevents codecInst from being NULL here.
@@ -631,6 +633,7 @@ int32_t MediaFileImpl::IncomingAudioData(
                 case kFileFormatPcm8kHzFile:
                 case kFileFormatPcm16kHzFile:
                 case kFileFormatPcm32kHzFile:
+                case kFileFormatPcm48kHzFile:
                     bytesWritten = _ptrFileUtilityObj->WritePCMData(
                         *_ptrOutStream,
                         buffer,
@@ -845,13 +848,15 @@ int32_t MediaFileImpl::StartRecordingAudioStream(
         }
         case kFileFormatPcm8kHzFile:
         case kFileFormatPcm16kHzFile:
+        case kFileFormatPcm32kHzFile:
+        case kFileFormatPcm48kHzFile:
         {
             if(!ValidFrequency(codecInst.plfreq) ||
                _ptrFileUtilityObj->InitPCMWriting(stream, codecInst.plfreq) ==
                -1)
             {
                 WEBRTC_TRACE(kTraceError, kTraceFile, _id,
-                             "Failed to initialize 8 or 16KHz PCM file!");
+                             "Failed to initialize PCM file!");
                 delete _ptrFileUtilityObj;
                 _ptrFileUtilityObj = NULL;
                 return -1;
@@ -1070,7 +1075,8 @@ bool MediaFileImpl::ValidFileFormat(const FileFormats format,
         if(format == kFileFormatPreencodedFile ||
            format == kFileFormatPcm8kHzFile    ||
            format == kFileFormatPcm16kHzFile   ||
-           format == kFileFormatPcm32kHzFile)
+           format == kFileFormatPcm32kHzFile   ||
+           format == kFileFormatPcm48kHzFile)
         {
             WEBRTC_TRACE(kTraceError, kTraceFile, -1,
                          "Codec info required for file format specified!");
@@ -1115,12 +1121,12 @@ bool MediaFileImpl::ValidFilePositions(const uint32_t startPointMs,
 
 bool MediaFileImpl::ValidFrequency(const uint32_t frequency)
 {
-    if((frequency == 8000) || (frequency == 16000)|| (frequency == 32000))
+    if((frequency == 8000) || (frequency == 16000)|| (frequency == 32000) || (frequency == 48000))
     {
         return true;
     }
     WEBRTC_TRACE(kTraceError, kTraceFile, -1,
-                 "Frequency should be 8000, 16000 or 32000 (Hz)");
+                 "Frequency should be 8000, 16000, 32000, or 48000 (Hz)");
     return false;
 }
 }  // namespace webrtc