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Diffstat (limited to 'src/SFML/Audio/.svn/text-base/SoundFileOgg.cpp.svn-base')
| -rw-r--r-- | src/SFML/Audio/.svn/text-base/SoundFileOgg.cpp.svn-base | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/src/SFML/Audio/.svn/text-base/SoundFileOgg.cpp.svn-base b/src/SFML/Audio/.svn/text-base/SoundFileOgg.cpp.svn-base new file mode 100644 index 0000000..3bbcef0 --- /dev/null +++ b/src/SFML/Audio/.svn/text-base/SoundFileOgg.cpp.svn-base @@ -0,0 +1,182 @@ +////////////////////////////////////////////////////////////
+//
+// SFML - Simple and Fast Multimedia Library
+// Copyright (C) 2007-2008 Laurent Gomila (laurent.gom@gmail.com)
+//
+// This software is provided 'as-is', without any express or implied warranty.
+// In no event will the authors be held liable for any damages arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it freely,
+// subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented;
+// you must not claim that you wrote the original software.
+// If you use this software in a product, an acknowledgment
+// in the product documentation would be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such,
+// and must not be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source distribution.
+//
+////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////
+// Headers
+////////////////////////////////////////////////////////////
+#include <SFML/Audio/SoundFileOgg.hpp>
+#include <SFML/Audio/stb_vorbis/stb_vorbis.h>
+#include <iostream>
+
+
+namespace sf
+{
+namespace priv
+{
+////////////////////////////////////////////////////////////
+/// Default constructor
+////////////////////////////////////////////////////////////
+SoundFileOgg::SoundFileOgg() :
+myStream (NULL),
+myChannelsCount(0)
+{
+
+}
+
+
+////////////////////////////////////////////////////////////
+/// Destructor
+////////////////////////////////////////////////////////////
+SoundFileOgg::~SoundFileOgg()
+{
+ if (myStream)
+ stb_vorbis_close(myStream);
+}
+
+
+////////////////////////////////////////////////////////////
+/// Check if a given file is supported by this loader
+////////////////////////////////////////////////////////////
+bool SoundFileOgg::IsFileSupported(const std::string& Filename, bool Read)
+{
+ if (Read)
+ {
+ // Open the vorbis stream
+ stb_vorbis* Stream = stb_vorbis_open_filename(const_cast<char*>(Filename.c_str()), NULL, NULL);
+
+ if (Stream)
+ {
+ stb_vorbis_close(Stream);
+ return true;
+ }
+ else
+ {
+ return false;
+ }
+ }
+ else
+ {
+ // No support for writing ogg files yet...
+ return false;
+ }
+}
+
+
+////////////////////////////////////////////////////////////
+/// Check if a given file in memory is supported by this loader
+////////////////////////////////////////////////////////////
+bool SoundFileOgg::IsFileSupported(const char* Data, std::size_t SizeInBytes)
+{
+ // Open the vorbis stream
+ unsigned char* Buffer = reinterpret_cast<unsigned char*>(const_cast<char*>(Data));
+ int Length = static_cast<int>(SizeInBytes);
+ stb_vorbis* Stream = stb_vorbis_open_memory(Buffer, Length, NULL, NULL);
+
+ if (Stream)
+ {
+ stb_vorbis_close(Stream);
+ return true;
+ }
+ else
+ {
+ return false;
+ }
+}
+
+
+////////////////////////////////////////////////////////////
+/// Open the sound file for reading
+////////////////////////////////////////////////////////////
+bool SoundFileOgg::OpenRead(const std::string& Filename, std::size_t& NbSamples, unsigned int& ChannelsCount, unsigned int& SampleRate)
+{
+ // Close the file if already opened
+ if (myStream)
+ stb_vorbis_close(myStream);
+
+ // Open the vorbis stream
+ myStream = stb_vorbis_open_filename(const_cast<char*>(Filename.c_str()), NULL, NULL);
+ if (myStream == NULL)
+ {
+ std::cerr << "Failed to read sound file \"" << Filename << "\" (cannot open the file)" << std::endl;
+ return false;
+ }
+
+ // Get the music parameters
+ stb_vorbis_info Infos = stb_vorbis_get_info(myStream);
+ ChannelsCount = myChannelsCount = Infos.channels;
+ SampleRate = Infos.sample_rate;
+ NbSamples = static_cast<std::size_t>(stb_vorbis_stream_length_in_samples(myStream) * ChannelsCount);
+
+ return true;
+}
+
+
+////////////////////////////////////////////////////////////
+/// /see sf::SoundFile::OpenRead
+////////////////////////////////////////////////////////////
+bool SoundFileOgg::OpenRead(const char* Data, std::size_t SizeInBytes, std::size_t& NbSamples, unsigned int& ChannelsCount, unsigned int& SampleRate)
+{
+ // Close the file if already opened
+ if (myStream)
+ stb_vorbis_close(myStream);
+
+ // Open the vorbis stream
+ unsigned char* Buffer = reinterpret_cast<unsigned char*>(const_cast<char*>(Data));
+ int Length = static_cast<int>(SizeInBytes);
+ myStream = stb_vorbis_open_memory(Buffer, Length, NULL, NULL);
+ if (myStream == NULL)
+ {
+ std::cerr << "Failed to read sound file from memory (cannot open the file)" << std::endl;
+ return false;
+ }
+
+ // Get the music parameters
+ stb_vorbis_info Infos = stb_vorbis_get_info(myStream);
+ ChannelsCount = myChannelsCount = Infos.channels;
+ SampleRate = Infos.sample_rate;
+ NbSamples = static_cast<std::size_t>(stb_vorbis_stream_length_in_samples(myStream) * ChannelsCount);
+
+ return true;
+}
+
+
+////////////////////////////////////////////////////////////
+/// Read samples from the loaded sound
+////////////////////////////////////////////////////////////
+std::size_t SoundFileOgg::Read(Int16* Data, std::size_t NbSamples)
+{
+ if (myStream && Data && NbSamples)
+ {
+ int Read = stb_vorbis_get_samples_short_interleaved(myStream, myChannelsCount, Data, static_cast<int>(NbSamples));
+ return static_cast<std::size_t>(Read * myChannelsCount);
+ }
+ else
+ {
+ return 0;
+ }
+}
+
+} // namespace priv
+
+} // namespace sf
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