ref: 4e1ce38d49963361c53932783b6d590b115e4255
parent: fa8e3c53c8167aabb961872d2cc17848502985e6
author: Koen Vos <[email protected]>
date: Thu Aug 25 09:50:21 EDT 2011
Addresses a bitstream bug for stereo FEC and minor fixes that make Opus compile again with Visual Studio.
--- a/silk/silk_dec_API.c
+++ b/silk/silk_dec_API.c
@@ -192,7 +192,10 @@
if( channel_state[ n ].LBRR_flags[ i ] ) {opus_int pulses[ MAX_FRAME_LENGTH ];
if( decControl->nChannelsInternal == 2 && n == 0 ) {- silk_stereo_decode_pred( psRangeDec, &decode_only_middle, MS_pred_Q13 );
+ silk_stereo_decode_pred( psRangeDec, MS_pred_Q13 );
+ if( channel_state[ 1 ].LBRR_flags[ i ] == 0 ) {+ silk_stereo_decode_mid_only( psRangeDec, &decode_only_middle );
+ }
}
silk_decode_indices( &channel_state[ n ], psRangeDec, i, 1 );
silk_decode_pulses( psRangeDec, pulses, channel_state[ n ].indices.signalType,
@@ -208,7 +211,15 @@
if( lostFlag == FLAG_DECODE_NORMAL ||
( lostFlag == FLAG_DECODE_LBRR && channel_state[ 0 ].LBRR_flags[ channel_state[ 0 ].nFramesDecoded ] == 1 ) )
{- silk_stereo_decode_pred( psRangeDec, &decode_only_middle, MS_pred_Q13 );
+ silk_stereo_decode_pred( psRangeDec, MS_pred_Q13 );
+ /* For LBRR data, only decode mid-only flag if side-channel's LBRR flag is false */
+ if( lostFlag == FLAG_DECODE_NORMAL ||
+ ( lostFlag == FLAG_DECODE_LBRR && channel_state[ 1 ].LBRR_flags[ channel_state[ 0 ].nFramesDecoded ] == 0 ) )
+ {+ silk_stereo_decode_mid_only( psRangeDec, &decode_only_middle );
+ } else {+ decode_only_middle = 0;
+ }
} else { for( n = 0; n < 2; n++ ) {MS_pred_Q13[n] = psDec->sStereo.pred_prev_Q13[n];
--- a/silk/silk_enc_API.c
+++ b/silk/silk_enc_API.c
@@ -283,7 +283,11 @@
for( n = 0; n < encControl->nChannelsInternal; n++ ) { if( psEnc->state_Fxx[ n ].sCmn.LBRR_flags[ i ] ) { if( encControl->nChannelsInternal == 2 && n == 0 ) {- silk_stereo_encode_pred( psRangeEnc, psEnc->sStereo.ix[ i ] );
+ silk_stereo_encode_pred( psRangeEnc, psEnc->sStereo.predIx[ i ] );
+ /* For LBRR data there's no need to code the mid-only flag if the side-channel LBRR flag is set */
+ if( psEnc->state_Fxx[ 1 ].sCmn.LBRR_flags[ i ] == 0 ) {+ silk_stereo_encode_mid_only( psRangeEnc, psEnc->sStereo.mid_only_flags[ i ] );
+ }
}
silk_encode_indices( &psEnc->state_Fxx[ n ].sCmn, psRangeEnc, i, 1 );
silk_encode_pulses( psRangeEnc, psEnc->state_Fxx[ n ].sCmn.indices_LBRR[i].signalType, psEnc->state_Fxx[ n ].sCmn.indices_LBRR[i].quantOffsetType,
@@ -323,10 +327,13 @@
/* Convert Left/Right to Mid/Side */
if( encControl->nChannelsInternal == 2 ) {silk_stereo_LR_to_MS( &psEnc->sStereo, psEnc->state_Fxx[ 0 ].sCmn.inputBuf, psEnc->state_Fxx[ 1 ].sCmn.inputBuf,
- psEnc->sStereo.ix[ psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded ], MStargetRates_bps, TargetRate_bps,
- psEnc->state_Fxx[ 0 ].sCmn.speech_activity_Q8, psEnc->state_Fxx[ 0 ].sCmn.fs_kHz, psEnc->state_Fxx[ 0 ].sCmn.frame_length );
- if (!prefillFlag)
- silk_stereo_encode_pred( psRangeEnc, psEnc->sStereo.ix[ psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded ] );
+ psEnc->sStereo.predIx[ psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded ], &psEnc->sStereo.mid_only_flags[ psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded ],
+ MStargetRates_bps, TargetRate_bps, psEnc->state_Fxx[ 0 ].sCmn.speech_activity_Q8,
+ psEnc->state_Fxx[ 0 ].sCmn.fs_kHz, psEnc->state_Fxx[ 0 ].sCmn.frame_length );
+ if (!prefillFlag) {+ silk_stereo_encode_pred( psRangeEnc, psEnc->sStereo.predIx[ psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded ] );
+ silk_stereo_encode_mid_only( psRangeEnc, psEnc->sStereo.mid_only_flags[ psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded ] );
+ }
} else {/* Buffering */
SKP_memcpy( &psEnc->state_Fxx[ 0 ].sCmn.inputBuf[ -2 ], psEnc->sStereo.sMid, 2 * sizeof( opus_int16 ) );
--- a/silk/silk_main.h
+++ b/silk/silk_main.h
@@ -55,7 +55,8 @@
stereo_enc_state *state, /* I/O State */
opus_int16 x1[], /* I/O Left input signal, becomes mid signal */
opus_int16 x2[], /* I/O Right input signal, becomes side signal */
- opus_int8 ix[ 2 ][ 4 ], /* O Quantization indices */
+ opus_int8 ix[ 2 ][ 3 ], /* O Quantization indices */
+ opus_int8 *mid_only_flag, /* O Flag: only mid signal coded */
opus_int32 mid_side_rates_bps[], /* O Bitrates for mid and side signals */
opus_int32 total_rate_bps, /* I Total bitrate */
opus_int prev_speech_act_Q8, /* I Speech activity level in previous frame */
@@ -87,20 +88,31 @@
void silk_stereo_quant_pred(
stereo_enc_state *state, /* I/O State */
opus_int32 pred_Q13[], /* I/O Predictors (out: quantized) */
- opus_int8 ix[ 2 ][ 4 ] /* O Quantization indices */
+ opus_int8 ix[ 2 ][ 3 ] /* O Quantization indices */
);
/* Entropy code the mid/side quantization indices */
void silk_stereo_encode_pred(
ec_enc *psRangeEnc, /* I/O Compressor data structure */
- opus_int8 ix[ 2 ][ 4 ] /* I Quantization indices */
+ opus_int8 ix[ 2 ][ 3 ] /* I Quantization indices */
);
+/* Entropy code the mid-only flag */
+void silk_stereo_encode_mid_only(
+ ec_enc *psRangeEnc, /* I/O Compressor data structure */
+ opus_int8 mid_only_flag
+);
+
/* Decode mid/side predictors */
void silk_stereo_decode_pred(
ec_dec *psRangeDec, /* I/O Compressor data structure */
- opus_int *decode_only_mid, /* O Flag that only mid channel has been coded */
opus_int32 pred_Q13[] /* O Predictors */
+);
+
+/* Decode mid-only flag */
+void silk_stereo_decode_mid_only(
+ ec_dec *psRangeDec, /* I/O Compressor data structure */
+ opus_int *decode_only_mid /* O Flag that only mid channel has been coded */
);
/* Encodes signs of excitation */
--- a/silk/silk_stereo_LR_to_MS.c
+++ b/silk/silk_stereo_LR_to_MS.c
@@ -36,7 +36,8 @@
stereo_enc_state *state, /* I/O State */
opus_int16 x1[], /* I/O Left input signal, becomes mid signal */
opus_int16 x2[], /* I/O Right input signal, becomes side signal */
- opus_int8 ix[ 2 ][ 4 ], /* O Quantization indices */
+ opus_int8 ix[ 2 ][ 3 ], /* O Quantization indices */
+ opus_int8 *mid_only_flag, /* O Flag: only mid signal coded */
opus_int32 mid_side_rates_bps[], /* O Bitrates for mid and side signals */
opus_int32 total_rate_bps, /* I Total bitrate */
opus_int prev_speech_act_Q8, /* I Speech activity level in previous frame */
@@ -120,7 +121,7 @@
pred_Q13[ 0 ] = SKP_RSHIFT( SKP_SMULBB( state->smth_width_Q14, pred_Q13[ 0 ] ), 14 );
pred_Q13[ 1 ] = SKP_RSHIFT( SKP_SMULBB( state->smth_width_Q14, pred_Q13[ 1 ] ), 14 );
- ix[ 0 ][ 3 ] = 0;
+ *mid_only_flag = 0;
if( state->width_prev_Q14 == 0 &&
( 8 * total_rate_bps < 13 * min_mid_rate_bps || SKP_SMULWB( frac_Q16, state->smth_width_Q14 ) < SILK_FIX_CONST( 0.05, 14 ) ) )
{@@ -128,7 +129,7 @@
/* Only encode mid channel */
mid_side_rates_bps[ 0 ] = total_rate_bps;
mid_side_rates_bps[ 1 ] = 0;
- ix[ 0 ][ 3 ] = 1;
+ *mid_only_flag = 1;
} else if( state->width_prev_Q14 != 0 &&
( 8 * total_rate_bps < 11 * min_mid_rate_bps || SKP_SMULWB( frac_Q16, state->smth_width_Q14 ) < SILK_FIX_CONST( 0.02, 14 ) ) )
{--- a/silk/silk_stereo_decode_pred.c
+++ b/silk/silk_stereo_decode_pred.c
@@ -34,7 +34,6 @@
/* Decode mid/side predictors */
void silk_stereo_decode_pred(
ec_dec *psRangeDec, /* I/O Compressor data structure */
- opus_int *decode_only_mid, /* O Flag that only mid channel has been coded */
opus_int32 pred_Q13[] /* O Predictors */
)
{@@ -61,7 +60,14 @@
/* Subtract second from first predictor (helps when actually applying these) */
pred_Q13[ 0 ] -= pred_Q13[ 1 ];
+}
+/* Decode mid-only flag */
+void silk_stereo_decode_mid_only(
+ ec_dec *psRangeDec, /* I/O Compressor data structure */
+ opus_int *decode_only_mid /* O Flag that only mid channel has been coded */
+)
+{/* Decode flag that only mid channel is coded */
*decode_only_mid = ec_dec_icdf( psRangeDec, silk_stereo_only_code_mid_iCDF, 8 );
}
--- a/silk/silk_stereo_encode_pred.c
+++ b/silk/silk_stereo_encode_pred.c
@@ -34,7 +34,7 @@
/* Entropy code the mid/side quantization indices */
void silk_stereo_encode_pred(
ec_enc *psRangeEnc, /* I/O Compressor data structure */
- opus_int8 ix[ 2 ][ 4 ] /* I Quantization indices */
+ opus_int8 ix[ 2 ][ 3 ] /* I Quantization indices */
)
{opus_int n;
@@ -49,7 +49,14 @@
ec_enc_icdf( psRangeEnc, ix[ n ][ 0 ], silk_uniform3_iCDF, 8 );
ec_enc_icdf( psRangeEnc, ix[ n ][ 1 ], silk_uniform5_iCDF, 8 );
}
+}
+/* Entropy code the mid-only flag */
+void silk_stereo_encode_mid_only(
+ ec_enc *psRangeEnc, /* I/O Compressor data structure */
+ opus_int8 mid_only_flag
+)
+{/* Encode flag that only mid channel is coded */
- ec_enc_icdf( psRangeEnc, ix[ 0 ][ 3 ], silk_stereo_only_code_mid_iCDF, 8 );
+ ec_enc_icdf( psRangeEnc, mid_only_flag, silk_stereo_only_code_mid_iCDF, 8 );
}
--- a/silk/silk_stereo_quant_pred.c
+++ b/silk/silk_stereo_quant_pred.c
@@ -35,7 +35,7 @@
void silk_stereo_quant_pred(
stereo_enc_state *state, /* I/O State */
opus_int32 pred_Q13[], /* I/O Predictors (out: quantized) */
- opus_int8 ix[ 2 ][ 4 ] /* O Quantization indices */
+ opus_int8 ix[ 2 ][ 3 ] /* O Quantization indices */
)
{opus_int i, j, n;
--- a/silk/silk_structs.h
+++ b/silk/silk_structs.h
@@ -101,7 +101,8 @@
opus_int32 mid_side_amp_Q0[ 4 ];
opus_int16 smth_width_Q14;
opus_int16 width_prev_Q14;
- opus_int8 ix[ MAX_FRAMES_PER_PACKET ][ 2 ][ 4 ];
+ opus_int8 predIx[ MAX_FRAMES_PER_PACKET ][ 2 ][ 3 ];
+ opus_int8 mid_only_flags[ MAX_FRAMES_PER_PACKET ];
} stereo_enc_state;
typedef struct {--- a/src/opus.vcxproj
+++ b/src/opus.vcxproj
@@ -1,97 +1,98 @@
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- <Platform>Win32</Platform>
- </ProjectConfiguration>
- </ItemGroup>
- <PropertyGroup Label="Globals">
- <Keyword>Win32Proj</Keyword>
- <ProjectName>opus</ProjectName>
- <ProjectGuid>{219EC965-228A-1824-174D-96449D05F88A}</ProjectGuid>
- </PropertyGroup>
- <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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- <TargetName>$(ProjectName)_debug</TargetName>
- <OutDir>$(SolutionDir)\bin\</OutDir>
- </PropertyGroup>
- <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
- <LinkIncremental>false</LinkIncremental>
- <OutDir>$(SolutionDir)\bin\</OutDir>
- </PropertyGroup>
- <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
- <ClCompile>
- <PreprocessorDefinitions>HAVE_CONFIG_H;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
- <AdditionalIncludeDirectories>../silk;../libcelt;../win32;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
- <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
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- <Optimization>Disabled</Optimization>
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- <Link>
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- <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
- <WarningLevel>Level3</WarningLevel>
- <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
- </ClCompile>
- <Link>
- <TargetMachine>MachineX86</TargetMachine>
- <GenerateDebugInformation>false</GenerateDebugInformation>
- <SubSystem>Console</SubSystem>
- <EnableCOMDATFolding>true</EnableCOMDATFolding>
- <OptimizeReferences>true</OptimizeReferences>
- <AdditionalDependencies>libcelt.lib;silk_common.lib;silk_fixed.lib;silk_float.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
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- <LinkStatus>false</LinkStatus>
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- </ItemDefinitionGroup>
- <ItemGroup>
- <ClCompile Include="opus_decoder.c" />
- <ClCompile Include="opus_encoder.c" />
- <ClCompile Include="test_opus.c" />
- </ItemGroup>
- <ItemGroup>
- <ClInclude Include="..\silk\silk_API.h" />
- <ClInclude Include="..\win32\config.h" />
- <ClInclude Include="opus.h" />
- <ClInclude Include="opus_decoder.h" />
- <ClInclude Include="opus_encoder.h" />
- </ItemGroup>
- <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
- <ImportGroup Label="ExtensionTargets">
- </ImportGroup>
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+ <ItemGroup Label="ProjectConfigurations">
+ <ProjectConfiguration Include="Debug|Win32">
+ <Configuration>Debug</Configuration>
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+ </ProjectConfiguration>
+ <ProjectConfiguration Include="Release|Win32">
+ <Configuration>Release</Configuration>
+ <Platform>Win32</Platform>
+ </ProjectConfiguration>
+ </ItemGroup>
+ <PropertyGroup Label="Globals">
+ <Keyword>Win32Proj</Keyword>
+ <ProjectName>opus</ProjectName>
+ <ProjectGuid>{219EC965-228A-1824-174D-96449D05F88A}</ProjectGuid>+ </PropertyGroup>
+ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+ <ConfigurationType>Application</ConfigurationType>
+ <UseDebugLibraries>true</UseDebugLibraries>
+ </PropertyGroup>
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+ <ConfigurationType>Application</ConfigurationType>
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+ </PropertyGroup>
+ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
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+ <LinkIncremental>true</LinkIncremental>
+ <TargetName>$(ProjectName)_debug</TargetName>
+ <OutDir>$(SolutionDir)\bin\</OutDir>
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+ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+ <LinkIncremental>false</LinkIncremental>
+ <OutDir>$(SolutionDir)\bin\</OutDir>
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+ <ClCompile>
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+ <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
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+ <Optimization>Disabled</Optimization>
+ </ClCompile>
+ <Link>
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+ <GenerateDebugInformation>true</GenerateDebugInformation>
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+ <WarningLevel>Level3</WarningLevel>
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+ </ClCompile>
+ <Link>
+ <TargetMachine>MachineX86</TargetMachine>
+ <GenerateDebugInformation>false</GenerateDebugInformation>
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+ <OptimizeReferences>true</OptimizeReferences>
+ <AdditionalDependencies>libcelt.lib;silk_common.lib;silk_fixed.lib;silk_float.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+ <AdditionalLibraryDirectories>$(SolutionDir)$(Configuration);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+ <LinkStatus>false</LinkStatus>
+ </Link>
+ </ItemDefinitionGroup>
+ <ItemGroup>
+ <ClCompile Include="opus.c" />
+ <ClCompile Include="opus_decoder.c" />
+ <ClCompile Include="opus_encoder.c" />
+ <ClCompile Include="test_opus.c" />
+ </ItemGroup>
+ <ItemGroup>
+ <ClInclude Include="..\silk\silk_API.h" />
+ <ClInclude Include="..\win32\config.h" />
+ <ClInclude Include="opus.h" />
+ <ClInclude Include="opus_decoder.h" />
+ <ClInclude Include="opus_encoder.h" />
+ </ItemGroup>
+ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+ <ImportGroup Label="ExtensionTargets">
+ </ImportGroup>
</Project>
\ No newline at end of file
--- a/src/opus.vcxproj.filters
+++ b/src/opus.vcxproj.filters
@@ -1,45 +1,48 @@
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- <Filter>Header Files</Filter>
- </ClInclude>
- <ClInclude Include="..\silk\silk_API.h">
- <Filter>Header Files</Filter>
- </ClInclude>
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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+ <ItemGroup>
+ <Filter Include="Source Files">
+ <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>+ <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+ </Filter>
+ <Filter Include="Header Files">
+ <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>+ <Extensions>h;hpp;hxx;hm;inl;inc;xsd</Extensions>
+ </Filter>
+ <Filter Include="Resource Files">
+ <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>+ <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav</Extensions>
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+ </ItemGroup>
+ <ItemGroup>
+ <ClCompile Include="opus_decoder.c">
+ <Filter>Source Files</Filter>
+ </ClCompile>
+ <ClCompile Include="opus_encoder.c">
+ <Filter>Source Files</Filter>
+ </ClCompile>
+ <ClCompile Include="test_opus.c">
+ <Filter>Source Files</Filter>
+ </ClCompile>
+ <ClCompile Include="opus.c">
+ <Filter>Source Files</Filter>
+ </ClCompile>
+ </ItemGroup>
+ <ItemGroup>
+ <ClInclude Include="opus_decoder.h">
+ <Filter>Header Files</Filter>
+ </ClInclude>
+ <ClInclude Include="opus_encoder.h">
+ <Filter>Header Files</Filter>
+ </ClInclude>
+ <ClInclude Include="opus.h">
+ <Filter>Header Files</Filter>
+ </ClInclude>
+ <ClInclude Include="..\win32\config.h">
+ <Filter>Header Files</Filter>
+ </ClInclude>
+ <ClInclude Include="..\silk\silk_API.h">
+ <Filter>Header Files</Filter>
+ </ClInclude>
+ </ItemGroup>
</Project>
\ No newline at end of file
--- a/src/test_opus.c
+++ b/src/test_opus.c
@@ -114,6 +114,8 @@
opus_uint32 enc_final_range[2];
opus_uint32 dec_final_range;
int encode_only=0, decode_only=0;
+ int max_frame_size = 960*6;
+ int curr_read=0;
if (argc < 7 )
{@@ -157,8 +159,8 @@
forcemono = 0;
use_dtx = 0;
packet_loss_perc = 0;
- int max_frame_size = 960*6;
- int curr_read=0;
+ max_frame_size = 960*6;
+ curr_read=0;
args = 5;
while( args < argc - 2 ) {