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Diffstat (limited to 'src/pcm_io.h')
-rw-r--r-- | src/pcm_io.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/pcm_io.h b/src/pcm_io.h new file mode 100644 index 0000000..1b68ac8 --- /dev/null +++ b/src/pcm_io.h @@ -0,0 +1,47 @@ +/* pcm_io.h +** Copyright (c) 2019, The Linux Foundation. +** +** Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above +** copyright notice, this list of conditions and the following +** disclaimer in the documentation and/or other materials provided +** with the distribution. +** * Neither the name of The Linux Foundation nor the names of its +** contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED +** WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT +** ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS +** BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR +** BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE +** OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN +** IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +**/ + +#ifndef TINYALSA_SRC_PCM_IO_H +#define TINYALSA_SRC_PCM_IO_H + +#include <sound/asound.h> + +struct snd_node; + +struct pcm_ops { + int (*open) (unsigned int card, unsigned int device, + unsigned int flags, void **data, struct snd_node *node); + void (*close) (void *data); + int (*ioctl) (void *data, unsigned int cmd, ...); +}; + +extern const struct pcm_ops hw_ops; +extern const struct pcm_ops plug_ops; + +#endif /* TINYALSA_SRC_PCM_IO_H */ |