Cross Reference: /hardware/libhardware/include/hardware/audio

Lines Matching defs:buffer
116 //  |                           |           |   command must specify a buffer descriptor
124 //  |                           |           |   command must specify a buffer descriptor
135 //  |                           |           |   and returns them to the output buffer.
292     //          (count and location) in input buffer descriptor and output processed
293     //          samples as specified in output buffer descriptor. If the buffer descriptor
294     //          is not specified the function must use either the buffer or the
295     //          buffer provider function installed by the EFFECT_CMD_SET_CONFIG command.
309     //          inBuffer:   buffer descriptor indicating where to read samples to process.
312     //          outBuffer:   buffer descriptor indicating where to write processed samples.
320     //                                  invalid input/output buffer description
394     //          inBuffer:   buffer descriptor indicating where to read samples to process.
397     //          outBuffer:   buffer descriptor indicating where to write processed samples.
399     //              If the buffer and buffer provider in the configuration received by
408     //                                  invalid input/output buffer description
475 //  Reset the effect engine. Keep configuration but resets state and buffer content
592 //  data: volume for each channel defined in effect_config_t for output buffer expressed in
598 //              volume for each channel defined in effect_config_t for output buffer expressed in
770 // Audio buffer descriptor used by process(), bufferProvider() functions and buffer_config_t
775 // The buffer size is expressed in frame count, a frame being composed of samples for all
779     size_t   frameCount;        // number of frames in buffer
781         void*       raw;        // raw pointer to start of buffer
782         int32_t*    s32;        // pointer to signed 32 bit data at start of buffer
783         int16_t*    s16;        // pointer to signed 16 bit data at start of buffer
784         uint8_t*    u8;         // pointer to unsigned 8 bit data at start of buffer
790 // or output audio buffer.
791 // The getBuffer() function is called to retrieve a buffer where data
793 // The releaseBuffer() function MUST be called when the buffer retrieved
795 // The process function should use the buffer provider mechanism to retrieve
796 // input or output buffer if the inBuffer or outBuffer passed as argument is NULL
797 // and the buffer configuration (buffer_config_t) given by the EFFECT_CMD_SET_CONFIG
798 // command did not specify an audio buffer.
800 typedef int32_t (* buffer_function_t)(void *cookie, audio_buffer_t *buffer);
803     buffer_function_t getBuffer;       // retrieve next buffer
804     buffer_function_t releaseBuffer;   // release used buffer
805     void       *cookie;                // for use by client of buffer provider functions
811 // structure that defines both input and output buffer configurations and is
814     audio_buffer_t  buffer;     // buffer for use by process() function if not passed explicitly
817     buffer_provider_t bufferProvider;   // buffer provider
819     uint8_t    accessMode;      // read/write or accumulate in buffer (effect_buffer_access_e)
848 #define EFFECT_CONFIG_BUFFER    0x0001  // buffer field must be taken into account