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8e6d070148
As part of this, in alsa-udev.c, certain structures and variables referred to as "device" are renamed to "card". Otherwise, there is ambiguity, since "device" can mean a udev device, an SPA device, a compress-offload device, a PCM device etc. Also, replace "card id" with "card number" to emphasize that these integers are not actually SPA object IDs.
30 lines
1.3 KiB
C
30 lines
1.3 KiB
C
#ifndef SPA_ALSA_COMPRESS_OFFLOAD_DEVICE_UTIL_H
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#define SPA_ALSA_COMPRESS_OFFLOAD_DEVICE_UTIL_H
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#include <spa/support/log.h>
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#if defined(__GNUC__) && __GNUC__ >= 4
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#define COMPR_API_PRIVATE __attribute__((visibility("hidden")))
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#elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)
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#define COMPR_API_PRIVATE __attribute__((visibility("hidden")))
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#elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550)
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#define COMPR_API_PRIVATE __hidden
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#else
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#define COMPR_API_PRIVATE
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#endif
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enum spa_compress_offload_direction {
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SPA_COMPRESS_OFFLOAD_DIRECTION_PLAYBACK,
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SPA_COMPRESS_OFFLOAD_DIRECTION_CAPTURE
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};
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/* This exists for situations where both the direction of the compress-offload
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* device and the functions from asoundlib.h are needed. It is not possible to
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* include asoundlib.h and the compress-offload headers in the same C file,
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* since these headers contain conflicting declarations. Provide this direction
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* check function to keep the compress-offload headers encapsulated. */
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COMPR_API_PRIVATE int get_compress_offload_device_direction(int card_nr, int device_nr,
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struct spa_log *log,
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enum spa_compress_offload_direction *direction);
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#endif /* SPA_ALSA_COMPRESS_OFFLOAD_DEVICE_UTIL_H */
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