Sample Code
Windows Driver Samples/ Microsoft Virtual Audio Device Driver Sample/ C++/ pcmex/ pcmex.h/
/*++ Copyright (c) 1997-2000 Microsoft Corporation All Rights Reserved Module Name: pcmex.h Abstract: Node and Pin numbers for WAVEFORMATEXTENSIBLE format --*/ #ifndef _MSVAD_PCMEX_H_ #define _MSVAD_PCMEX_H_ // Pin properties. #define MAX_OUTPUT_STREAMS 1 // Number of capture streams. #define MAX_INPUT_STREAMS 1 // Number of render streams. #define MAX_TOTAL_STREAMS MAX_OUTPUT_STREAMS + MAX_INPUT_STREAMS // PCM Info #define MIN_CHANNELS 1 // Min Channels. #define MAX_CHANNELS_PCM 8 // Max Channels. #define MIN_BITS_PER_SAMPLE_PCM 8 // Min Bits Per Sample #define MAX_BITS_PER_SAMPLE_PCM 16 // Max Bits Per Sample #define MIN_SAMPLE_RATE 4000 // Min Sample Rate #define MAX_SAMPLE_RATE 64000 // Max Sample Rate // Wave pins enum { KSPIN_WAVE_CAPTURE_SINK = 0, KSPIN_WAVE_CAPTURE_SOURCE, KSPIN_WAVE_RENDER_SINK, KSPIN_WAVE_RENDER_SOURCE }; // Wave Topology nodes. enum { KSNODE_WAVE_ADC = 0, KSNODE_WAVE_DAC }; // topology pins. enum { KSPIN_TOPO_WAVEOUT_SOURCE = 0, KSPIN_TOPO_SYNTHOUT_SOURCE, KSPIN_TOPO_SYNTHIN_SOURCE, KSPIN_TOPO_MIC_SOURCE, KSPIN_TOPO_LINEOUT_DEST, KSPIN_TOPO_WAVEIN_DEST }; // topology nodes. enum { KSNODE_TOPO_WAVEOUT_VOLUME = 0, KSNODE_TOPO_WAVEOUT_MUTE, KSNODE_TOPO_SYNTHOUT_VOLUME, KSNODE_TOPO_SYNTHOUT_MUTE, KSNODE_TOPO_MIC_VOLUME, KSNODE_TOPO_SYNTHIN_VOLUME, KSNODE_TOPO_LINEOUT_MIX, KSNODE_TOPO_LINEOUT_VOLUME, KSNODE_TOPO_WAVEIN_MUX }; #endif
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