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| author | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
|---|---|---|
| committer | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
| commit | 39ed87570bdb2f86969d4be821c94b722dc71179 (patch) | |
| tree | abc53757f75f40c80278e87650ea92808274aa59 /mp/src/public/vaudio/ivaudio.h | |
| download | source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.tar.xz source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.zip | |
First version of the SOurce SDK 2013
Diffstat (limited to 'mp/src/public/vaudio/ivaudio.h')
| -rw-r--r-- | mp/src/public/vaudio/ivaudio.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/mp/src/public/vaudio/ivaudio.h b/mp/src/public/vaudio/ivaudio.h new file mode 100644 index 00000000..2cacd265 --- /dev/null +++ b/mp/src/public/vaudio/ivaudio.h @@ -0,0 +1,64 @@ +//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef IVAUDIO_H
+#define IVAUDIO_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+class IAudioStreamEvent
+{
+public:
+ // called by the stream to request more data
+ // seek the source to position "offset"
+ // -1 indicates previous position
+ // copy the data to pBuffer and return the number of bytes copied
+ // you may return less than bytesRequested if the end of the stream
+ // is encountered.
+ virtual int StreamRequestData( void *pBuffer, int bytesRequested, int offset ) = 0;
+};
+
+
+class IAudioStream
+{
+public:
+ virtual ~IAudioStream() {}
+
+ // Decode another bufferSize output bytes from the stream
+ // returns number of bytes decoded
+ virtual int Decode( void *pBuffer, unsigned int bufferSize ) = 0;
+
+ // output sampling bits (8/16)
+ virtual int GetOutputBits() = 0;
+ // output sampling rate in Hz
+ virtual int GetOutputRate() = 0;
+ // output channels (1=mono,2=stereo)
+ virtual int GetOutputChannels() = 0;
+
+ // seek
+ virtual unsigned int GetPosition() = 0;
+
+ // NOTE: BUGBUG: Only supports seeking forward currently!
+ virtual void SetPosition( unsigned int position ) = 0;
+
+ // reset?
+};
+
+
+#define VAUDIO_INTERFACE_VERSION "VAudio002"
+class IVAudio
+{
+public:
+ virtual ~IVAudio() {}
+
+ virtual IAudioStream *CreateMP3StreamDecoder( IAudioStreamEvent *pEventHandler ) = 0;
+ virtual void DestroyMP3StreamDecoder( IAudioStream *pDecoder ) = 0;
+};
+
+
+#endif // IVAUDIO_H
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