mirror of
https://github.com/alsa-project/alsa-utils
synced 2024-11-10 08:25:42 +01:00
48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
//
|
||
|
|
// generator.c - a generator for test with buffers of PCM frames.
|
||
|
|
//
|
||
|
|
// Copyright (c) 2018 Takashi Sakamoto <o-takashi@sakamocchi.jp>
|
||
|
|
//
|
||
|
|
// Licensed under the terms of the GNU General Public License, version 2.
|
||
|
|
|
||
|
|
#ifndef __ALSA_UTILS_AXFER_TEST_GENERATOR__H_
|
||
|
|
#define __ALSA_UTILS_AXFER_TEST_GENERATOR__H_
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <alsa/asoundlib.h>
|
||
|
|
|
||
|
|
struct test_generator;
|
||
|
|
typedef int (*generator_cb_t)(struct test_generator *gen,
|
||
|
|
snd_pcm_access_t access,
|
||
|
|
snd_pcm_format_t sample_format,
|
||
|
|
unsigned int samples_per_frame,
|
||
|
|
void *frame_buffer, unsigned int frame_count);
|
||
|
|
|
||
|
|
struct test_generator {
|
||
|
|
int fd;
|
||
|
|
uint64_t access_mask;
|
||
|
|
uint64_t sample_format_mask;
|
||
|
|
unsigned int min_samples_per_frame;
|
||
|
|
unsigned int max_samples_per_frame;
|
||
|
|
unsigned int min_frame_count;
|
||
|
|
unsigned int max_frame_count;
|
||
|
|
unsigned int step_frame_count;
|
||
|
|
|
||
|
|
generator_cb_t cb;
|
||
|
|
void *private_data;
|
||
|
|
};
|
||
|
|
|
||
|
|
int generator_context_init(struct test_generator *gen,
|
||
|
|
uint64_t access_mask, uint64_t sample_format_mask,
|
||
|
|
unsigned int min_samples_per_frame,
|
||
|
|
unsigned int max_samples_per_frame,
|
||
|
|
unsigned int min_frame_count,
|
||
|
|
unsigned int max_frame_count,
|
||
|
|
unsigned int step_frame_count,
|
||
|
|
unsigned int private_size);
|
||
|
|
int generator_context_run(struct test_generator *gen, generator_cb_t cb);
|
||
|
|
void generator_context_destroy(struct test_generator *gen);
|
||
|
|
|
||
|
|
#endif
|