| --- alsa-utils-1.1.8/axfer/test/generator.h |
| +++ alsa-utils-1.1.8/axfer/test/generator.h |
| @@ -0,0 +1,47 @@ |
| +// 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 |
