test in-memory decoding of ogg

examples/libnyquist-examples.vcxproj/v141/libnyquist-examples.vcxproj

@@ -89,6 +89,7 @@
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
+      <SubSystem>Console</SubSystem>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@@ -121,6 +122,7 @@
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
+      <SubSystem>Console</SubSystem>
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>

examples/src/Main.cpp

@@ -42,7 +42,7 @@ int main(int argc, const char **argv) try
 		//loader.Load(fileData.get(), "test_data/1ch/44100/8/test.wav");
 		//loader.Load(fileData.get(), "test_data/1ch/44100/16/test.wav");
 		//loader.Load(fileData.get(), "test_data/1ch/44100/24/test.wav");
-		loader.Load(fileData.get(), "test_data/1ch/44100/32/test.wav");
+		//loader.Load(fileData.get(), "test_data/1ch/44100/32/test.wav");
 		//loader.Load(fileData.get(), "test_data/1ch/44100/64/test.wav");
 
 		// 2-channel wave
@@ -85,6 +85,10 @@ int main(int argc, const char **argv) try
 		// 1 + 2 channel musepack
 		//loader.Load(fileData.get(), "test_data/ad_hoc/44_16_stereo.mpc");
 		//loader.Load(fileData.get(), "test_data/ad_hoc/44_16_mono.mpc");
+
+        // In-memory ogg
+        auto memory = ReadFile("test_data/ad_hoc/BlockWoosh_Stereo.ogg");
+        loader.Load(fileData.get(), "ogg", memory.buffer);
 	}
 
 	/*

include/libnyquist/AudioDecoder.h

@@ -63,7 +63,7 @@ typedef std::pair<std::string, std::shared_ptr<nqr::BaseDecoder>> DecoderPair;
 class NyquistIO
 {
     std::string ParsePathForExtension(const std::string & path) const;
-    std::shared_ptr<nqr::BaseDecoder> GetDecoderForExtension(const std::string ext);
+    std::shared_ptr<nqr::BaseDecoder> GetDecoderForExtension(const std::string & ext);
     void BuildDecoderTable();
     void AddDecoderToTable(std::shared_ptr<nqr::BaseDecoder> decoder);
     std::map<std::string, std::shared_ptr<BaseDecoder>> decoderTable;
@@ -72,8 +72,8 @@ public:
     NyquistIO();
     ~NyquistIO();
     void Load(AudioData * data, const std::string & path);
-    void Load(AudioData *data, std::string extension, const std::vector<uint8_t> & buffer);
-    bool IsFileSupported(const std::string path) const;
+    void Load(AudioData * data, const std::string & extension, const std::vector<uint8_t> & buffer);
+    bool IsFileSupported(const std::string & path) const;
 };
 
 } // end namespace nqr

include/libnyquist/Common.h

@@ -284,7 +284,7 @@ struct NyquistFileBuffer
     size_t size;
 };
 
-NyquistFileBuffer ReadFile(std::string pathToFile);
+NyquistFileBuffer ReadFile(const std::string & pathToFile);
     
 int GetFormatBitsPerSample(PCMFormat f);
 PCMFormat MakeFormatForBits(int bits, bool floatingPt, bool isSigned);

src/AudioDecoder.cpp

@@ -69,7 +69,7 @@ void NyquistIO::Load(AudioData * data, const std::string & path)
     }
 }
 
-void NyquistIO::Load(AudioData * data, std::string extension, const std::vector<uint8_t> & buffer)
+void NyquistIO::Load(AudioData * data, const std::string & extension, const std::vector<uint8_t> & buffer)
 {
     if (decoderTable.find(extension) == decoderTable.end())
     {
@@ -94,7 +94,7 @@ void NyquistIO::Load(AudioData * data, std::string extension, const std::vector<
     }
 }
 
-bool NyquistIO::IsFileSupported(const std::string path) const
+bool NyquistIO::IsFileSupported(const std::string & path) const
 {
     auto fileExtension = ParsePathForExtension(path);
     if (decoderTable.find(fileExtension) == decoderTable.end()) return false;
@@ -107,7 +107,7 @@ std::string NyquistIO::ParsePathForExtension(const std::string & path) const
     return std::string("");
 }
 
-std::shared_ptr<BaseDecoder> NyquistIO::GetDecoderForExtension(const std::string ext)
+std::shared_ptr<BaseDecoder> NyquistIO::GetDecoderForExtension(const std::string & ext)
 {
     if (decoderTable.size()) return decoderTable[ext];
     else throw std::runtime_error("No available decoders.");

src/Common.cpp

@@ -27,7 +27,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 using namespace nqr;
 
-NyquistFileBuffer nqr::ReadFile(std::string pathToFile)
+NyquistFileBuffer nqr::ReadFile(const std::string & pathToFile)
 {
     //std::cout << "[Debug] Open: " << pathToFile << std::endl;
     FILE * audioFile = fopen(pathToFile.c_str(), "rb");
@@ -55,7 +55,6 @@ NyquistFileBuffer nqr::ReadFile(std::string pathToFile)
 
     fclose(audioFile);
 
-    // Copy out to user 
     return data;
 }