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54 lines
2.6 KiB
C
54 lines
2.6 KiB
C
/*
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* Copyright © 2013 Mozilla Foundation
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*
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* This program is made available under an ISC-style license. See the
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* accompanying file LICENSE for details.
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*/
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#if !defined(CUBEB_INTERNAL_0eb56756_4e20_4404_a76d_42bf88cd15a5)
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#define CUBEB_INTERNAL_0eb56756_4e20_4404_a76d_42bf88cd15a5
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#include "cubeb/cubeb.h"
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#include <stdio.h>
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#include <string.h>
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struct cubeb_ops {
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int (* init)(cubeb ** context, char const * context_name);
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char const * (* get_backend_id)(cubeb * context);
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int (* get_max_channel_count)(cubeb * context, uint32_t * max_channels);
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int (* get_min_latency)(cubeb * context,
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cubeb_stream_params params,
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uint32_t * latency_ms);
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int (* get_preferred_sample_rate)(cubeb * context, uint32_t * rate);
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int (* enumerate_devices)(cubeb * context, cubeb_device_type type,
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cubeb_device_collection ** collection);
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void (* destroy)(cubeb * context);
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int (* stream_init)(cubeb * context, cubeb_stream ** stream, char const * stream_name,
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cubeb_stream_params stream_params, unsigned int latency,
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cubeb_data_callback data_callback,
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cubeb_state_callback state_callback,
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void * user_ptr);
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void (* stream_destroy)(cubeb_stream * stream);
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int (* stream_start)(cubeb_stream * stream);
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int (* stream_stop)(cubeb_stream * stream);
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int (* stream_get_position)(cubeb_stream * stream, uint64_t * position);
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int (* stream_get_latency)(cubeb_stream * stream, uint32_t * latency);
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int (* stream_set_volume)(cubeb_stream * stream, float volumes);
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int (* stream_set_panning)(cubeb_stream * stream, float panning);
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int (* stream_get_current_device)(cubeb_stream * stream,
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cubeb_device ** const device);
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int (* stream_device_destroy)(cubeb_stream * stream,
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cubeb_device * device);
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int (* stream_register_device_changed_callback)(cubeb_stream * stream,
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cubeb_device_changed_callback device_changed_callback);
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};
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#define XASSERT(expr) do { \
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if (!(expr)) { \
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fprintf(stderr, "%s:%d - fatal error: %s\n", __FILE__, __LINE__, #expr); \
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*((volatile int *) NULL) = 0; \
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abort(); \
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} \
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} while (0)
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#endif /* CUBEB_INTERNAL_0eb56756_4e20_4404_a76d_42bf88cd15a5 */
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