[janderwald] 73107: [USBAUDIO] - frequencies may appear unsorted, handle that

Author: janderwald
Date: Thu Nov  3 13:44:01 2016
New Revision: 73107
URL: http://svn.reactos.org/svn/reactos?rev=73107&view=rev
Log:
[USBAUDIO]
- frequencies may appear unsorted, handle that
Modified:
    trunk/reactos/drivers/usb/usbaudio/filter.c
Modified: trunk/reactos/drivers/usb/usbaudio/filter.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/usb/usbaudio/filte…
==============================================================================
--- trunk/reactos/drivers/usb/usbaudio/filter.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/usb/usbaudio/filter.c [iso-8859-1] Thu Nov  3 13:44:01 2016
@@ -1164,7 +1164,7 @@
     PUSB_INTERFACE_DESCRIPTOR Descriptor;
     PKSDATARANGE_AUDIO DataRangeAudio;
     PKSDATARANGE *DataRangeAudioArray;
-    ULONG NumFrequency, DataRangeCount, DataRangeIndex;
+    ULONG NumFrequency, DataRangeCount, DataRangeIndex, Index;
     /* count all data ranges */
     DataRangeCount = 0;
@@ -1229,10 +1229,14 @@
                     DataRangeAudio->MaximumChannels =
StreamingFormatDescriptor->bNrChannels;
                     DataRangeAudio->MinimumBitsPerSample =
StreamingFormatDescriptor->bBitResolution;
                     DataRangeAudio->MaximumBitsPerSample =
StreamingFormatDescriptor->bBitResolution;
-                    NumFrequency = StreamingFormatDescriptor->bSamFreqType - 1;
-                    DataRangeAudio->MinimumSampleFrequency =
StreamingFormatDescriptor->tSamFreq[0] | StreamingFormatDescriptor->tSamFreq[1]
<< 8 | StreamingFormatDescriptor->tSamFreq[2] << 16;
-                    DataRangeAudio->MaximumSampleFrequency =
StreamingFormatDescriptor->tSamFreq[NumFrequency*3] |
StreamingFormatDescriptor->tSamFreq[NumFrequency * 3+1] << 8 |
StreamingFormatDescriptor->tSamFreq[NumFrequency * 3+2]<<16;
-
+                    NumFrequency = StreamingFormatDescriptor->bSamFreqType;
+                    DataRangeAudio->MinimumSampleFrequency = MAXULONG;
+                    DataRangeAudio->MaximumSampleFrequency = 0;
+                    for (Index = 0; Index < NumFrequency; Index++)
+                    {
+                        DataRangeAudio->MinimumSampleFrequency =
min(StreamingFormatDescriptor->tSamFreq[Index * 3] |
StreamingFormatDescriptor->tSamFreq[(Index * 3) + 1] << 8 |
StreamingFormatDescriptor->tSamFreq[(Index * 3) + 2] << 16,
DataRangeAudio->MinimumSampleFrequency);
+                        DataRangeAudio->MaximumSampleFrequency =
max(StreamingFormatDescriptor->tSamFreq[Index * 3] |
StreamingFormatDescriptor->tSamFreq[(Index * 3) + 1] << 8 |
StreamingFormatDescriptor->tSamFreq[(Index * 3) + 2] << 16,
DataRangeAudio->MaximumSampleFrequency);
+                    }
                     DataRangeAudioArray[DataRangeIndex] = (PKSDATARANGE)DataRangeAudio;
                     DataRangeIndex++;
                 }