Audio: Uniformize SampleCount/SampleRate type

Former-commit-id: a67b0f10a4aeb1399834221d32859ab0e376813e

src/Nazara/Audio/Formats/sndfileLoader.cpp

@@ -95,7 +95,7 @@ namespace
 					return m_format;
 			}
 
-			nzUInt64 GetSampleCount() const override
+			nzUInt32 GetSampleCount() const override
 			{
 				return m_sampleCount;
 			}
@@ -152,11 +152,11 @@ namespace
 					return false;
 				}
 
-				m_sampleCount = infos.channels*infos.frames;
+				m_sampleCount = static_cast<nzUInt32>(infos.channels*infos.frames);
 				m_sampleRate = infos.samplerate;
 
 				// Durée de la musique (s) = samples / channels*rate
-				m_duration = static_cast<nzUInt32>(1000*m_sampleCount / (m_format*m_sampleRate));
+				m_duration = static_cast<nzUInt32>(1000ULL*m_sampleCount / (m_format*m_sampleRate));
 
 				// https://github.com/LaurentGomila/SFML/issues/271
 				// http://www.mega-nerd.com/libsndfile/command.html#SFC_SET_SCALE_FLOAT_INT_READ
@@ -168,7 +168,7 @@ namespace
 				if (forceMono && m_format != nzAudioFormat_Mono)
 				{
 					m_mixToMono = true;
-					m_sampleCount = infos.frames;
+					m_sampleCount = static_cast<nzUInt32>(infos.frames);
 				}
 				else
 					m_mixToMono = false;
@@ -206,8 +206,8 @@ namespace
 			SNDFILE* m_handle;
 			bool m_mixToMono;
 			nzUInt32 m_duration;
-			nzUInt64 m_sampleCount;
-			nzUInt32 m_sampleRate;
+			unsigned int m_sampleCount;
+			unsigned int m_sampleRate;
 	};
 
 	bool IsSupported(const NzString& extension)

src/Nazara/Audio/Music.cpp

@@ -119,6 +119,32 @@ nzUInt32 NzMusic::GetPlayingOffset() const
 	return 0;
 }
 
+nzUInt32 NzMusic::GetSampleCount() const
+{
+    #if NAZARA_AUDIO_SAFE
+    if (!m_impl)
+    {
+        NazaraError("Music not created");
+        return 0;
+    }
+    #endif
+
+    return m_impl->stream->GetSampleCount();
+}
+
+nzUInt32 NzMusic::GetSampleRate() const
+{
+    #if NAZARA_AUDIO_SAFE
+    if (!m_impl)
+    {
+        NazaraError("Music not created");
+        return 0;
+    }
+    #endif
+
+    return m_impl->stream->GetSampleRate();
+}
+
 nzSoundStatus NzMusic::GetStatus() const
 {
 	#if NAZARA_AUDIO_SAFE

src/Nazara/Audio/SoundBuffer.cpp

@@ -25,8 +25,8 @@ struct NzSoundBufferImpl
 	nzAudioFormat format;
 	nzUInt32 duration;
 	std::unique_ptr<nzInt16[]> samples;
-	unsigned int sampleCount;
-	unsigned int sampleRate;
+	nzUInt32 sampleCount;
+	nzUInt32 sampleRate;
 };
 
 NzSoundBuffer::NzSoundBuffer(nzAudioFormat format, unsigned int sampleCount, unsigned int sampleRate, const nzInt16* samples)