mirror of
https://github.com/alsa-project/alsa-utils
synced 2024-09-19 17:49:59 +02:00
97fe7b550c
This commit adds an operation for xfer backend to print help text. In this time, content of the help is not implemented yet. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
118 lines
3.3 KiB
C
118 lines
3.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
//
|
|
// xfer.h - a header for receiver/transmiter of data 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_XFER__H_
|
|
#define __ALSA_UTILS_AXFER_XFER__H_
|
|
|
|
#include "mapper.h"
|
|
|
|
#include <getopt.h>
|
|
|
|
#include "aconfig.h"
|
|
|
|
enum xfer_type {
|
|
XFER_TYPE_UNSUPPORTED = -1,
|
|
XFER_TYPE_LIBASOUND = 0,
|
|
#if WITH_FFADO
|
|
XFER_TYPE_LIBFFADO,
|
|
#endif
|
|
XFER_TYPE_COUNT,
|
|
};
|
|
|
|
struct xfer_ops;
|
|
|
|
struct xfer_context {
|
|
snd_pcm_stream_t direction;
|
|
enum xfer_type type;
|
|
const struct xfer_ops *ops;
|
|
void *private_data;
|
|
|
|
char *sample_format_literal;
|
|
char *cntr_format_literal;
|
|
unsigned int verbose;
|
|
unsigned int duration_seconds;
|
|
unsigned int duration_frames;
|
|
unsigned int frames_per_second;
|
|
unsigned int samples_per_frame;
|
|
bool help:1;
|
|
bool quiet:1;
|
|
bool dump_hw_params:1;
|
|
bool multiple_cntrs:1; // For mapper.
|
|
|
|
snd_pcm_format_t sample_format;
|
|
|
|
// For containers.
|
|
char **paths;
|
|
unsigned int path_count;
|
|
enum container_format cntr_format;
|
|
};
|
|
|
|
enum xfer_type xfer_type_from_label(const char *label);
|
|
const char *xfer_label_from_type(enum xfer_type type);
|
|
|
|
int xfer_context_init(struct xfer_context *xfer, enum xfer_type type,
|
|
snd_pcm_stream_t direction, int argc, char *const *argv);
|
|
void xfer_context_destroy(struct xfer_context *xfer);
|
|
int xfer_context_pre_process(struct xfer_context *xfer,
|
|
snd_pcm_format_t *format,
|
|
unsigned int *samples_per_frame,
|
|
unsigned int *frames_per_second,
|
|
snd_pcm_access_t *access,
|
|
snd_pcm_uframes_t *frames_per_buffer);
|
|
int xfer_context_process_frames(struct xfer_context *xfer,
|
|
struct mapper_context *mapper,
|
|
struct container_context *cntrs,
|
|
unsigned int *frame_count);
|
|
void xfer_context_pause(struct xfer_context *xfer, bool enable);
|
|
void xfer_context_post_process(struct xfer_context *xfer);
|
|
|
|
struct xfer_data;
|
|
int xfer_options_parse_args(struct xfer_context *xfer,
|
|
const struct xfer_data *data, int argc,
|
|
char *const *argv);
|
|
int xfer_options_fixup_paths(struct xfer_context *xfer);
|
|
void xfer_options_calculate_duration(struct xfer_context *xfer,
|
|
uint64_t *total_frame_count);
|
|
|
|
// For internal use in 'xfer' module.
|
|
|
|
struct xfer_ops {
|
|
int (*init)(struct xfer_context *xfer, snd_pcm_stream_t direction);
|
|
int (*parse_opt)(struct xfer_context *xfer, int key, const char *optarg);
|
|
int (*validate_opts)(struct xfer_context *xfer);
|
|
int (*pre_process)(struct xfer_context *xfer, snd_pcm_format_t *format,
|
|
unsigned int *samples_per_frame,
|
|
unsigned int *frames_per_second,
|
|
snd_pcm_access_t *access,
|
|
snd_pcm_uframes_t *frames_per_buffer);
|
|
int (*process_frames)(struct xfer_context *xfer,
|
|
unsigned int *frame_count,
|
|
struct mapper_context *mapper,
|
|
struct container_context *cntrs);
|
|
void (*post_process)(struct xfer_context *xfer);
|
|
void (*destroy)(struct xfer_context *xfer);
|
|
void (*pause)(struct xfer_context *xfer, bool enable);
|
|
void (*help)(struct xfer_context *xfer);
|
|
};
|
|
|
|
struct xfer_data {
|
|
const char *s_opts;
|
|
const struct option *l_opts;
|
|
unsigned int l_opts_count;
|
|
struct xfer_ops ops;
|
|
unsigned int private_size;
|
|
};
|
|
|
|
extern const struct xfer_data xfer_libasound;
|
|
|
|
#if WITH_FFADO
|
|
extern const struct xfer_data xfer_libffado;
|
|
#endif
|
|
|
|
#endif
|