mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-12-16 08:56:45 -05:00
improve properties on node and port
Rename some alsa filenames.
This commit is contained in:
Wim Taymans
parent
77e07e1948
commit
db341a6450
17 changed files with 249 additions and 139 deletions
172
spa/plugins/alsa/alsa-pcm.h
Normal file
172
spa/plugins/alsa/alsa-pcm.h
Normal file
|
|
@ -0,0 +1,172 @@
|
|||
/* Spa ALSA Sink
|
||||
*
|
||||
* Copyright © 2018 Wim Taymans
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a
|
||||
* copy of this software and associated documentation files (the "Software"),
|
||||
* to deal in the Software without restriction, including without limitation
|
||||
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||
* and/or sell copies of the Software, and to permit persons to whom the
|
||||
* Software is furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice (including the next
|
||||
* paragraph) shall be included in all copies or substantial portions of the
|
||||
* Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||||
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||
* DEALINGS IN THE SOFTWARE.
|
||||
*/
|
||||
|
||||
#ifndef SPA_ALSA_UTILS_H
|
||||
#define SPA_ALSA_UTILS_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#include <stddef.h>
|
||||
#include <math.h>
|
||||
|
||||
#include <alsa/asoundlib.h>
|
||||
|
||||
#include <spa/support/loop.h>
|
||||
#include <spa/support/log.h>
|
||||
#include <spa/utils/list.h>
|
||||
|
||||
#include <spa/node/node.h>
|
||||
#include <spa/node/utils.h>
|
||||
#include <spa/node/io.h>
|
||||
#include <spa/param/param.h>
|
||||
#include <spa/param/audio/format-utils.h>
|
||||
|
||||
#define DEFAULT_RATE 48000u
|
||||
#define DEFAULT_CHANNELS 2u
|
||||
|
||||
struct props {
|
||||
char device[64];
|
||||
char device_name[128];
|
||||
char card_name[128];
|
||||
uint32_t min_latency;
|
||||
uint32_t max_latency;
|
||||
};
|
||||
|
||||
#define MAX_BUFFERS 32
|
||||
|
||||
struct buffer {
|
||||
uint32_t id;
|
||||
#define BUFFER_FLAG_OUT (1<<0)
|
||||
uint32_t flags;
|
||||
struct spa_buffer *buf;
|
||||
struct spa_meta_header *h;
|
||||
struct spa_list link;
|
||||
};
|
||||
|
||||
#define BW_MAX 0.128
|
||||
#define BW_MED 0.064
|
||||
#define BW_MIN 0.016
|
||||
#define BW_PERIOD (3 * SPA_NSEC_PER_SEC)
|
||||
|
||||
struct state {
|
||||
struct spa_handle handle;
|
||||
struct spa_node node;
|
||||
|
||||
struct spa_log *log;
|
||||
struct spa_system *data_system;
|
||||
struct spa_loop *data_loop;
|
||||
|
||||
snd_pcm_stream_t stream;
|
||||
snd_output_t *output;
|
||||
|
||||
struct spa_hook_list hooks;
|
||||
struct spa_callbacks callbacks;
|
||||
|
||||
uint64_t info_all;
|
||||
struct spa_node_info info;
|
||||
struct spa_param_info params[8];
|
||||
struct props props;
|
||||
|
||||
bool opened;
|
||||
snd_pcm_t *hndl;
|
||||
|
||||
bool have_format;
|
||||
struct spa_audio_info current_format;
|
||||
|
||||
snd_pcm_uframes_t buffer_frames;
|
||||
snd_pcm_uframes_t period_frames;
|
||||
snd_pcm_format_t format;
|
||||
int rate;
|
||||
int channels;
|
||||
size_t frame_size;
|
||||
int rate_denom;
|
||||
uint32_t delay;
|
||||
uint32_t read_size;
|
||||
|
||||
uint64_t port_info_all;
|
||||
struct spa_port_info port_info;
|
||||
struct spa_param_info port_params[8];
|
||||
struct spa_io_buffers *io;
|
||||
struct spa_io_clock *clock;
|
||||
struct spa_io_position *position;
|
||||
struct spa_io_rate_match *rate_match;
|
||||
|
||||
struct buffer buffers[MAX_BUFFERS];
|
||||
unsigned int n_buffers;
|
||||
|
||||
struct spa_list free;
|
||||
struct spa_list ready;
|
||||
|
||||
size_t ready_offset;
|
||||
|
||||
bool started;
|
||||
struct spa_source source;
|
||||
int timerfd;
|
||||
uint32_t threshold;
|
||||
uint32_t last_threshold;
|
||||
|
||||
uint32_t duration;
|
||||
uint32_t last_duration;
|
||||
uint64_t last_position;
|
||||
unsigned int alsa_started:1;
|
||||
unsigned int alsa_sync:1;
|
||||
unsigned int slaved:1;
|
||||
|
||||
int64_t sample_count;
|
||||
|
||||
int64_t sample_time;
|
||||
uint64_t current_time;
|
||||
uint64_t next_time;
|
||||
uint64_t base_time;
|
||||
|
||||
uint64_t underrun;
|
||||
double safety;
|
||||
|
||||
double bw;
|
||||
double z1, z2, z3;
|
||||
double w0, w1, w2;
|
||||
};
|
||||
|
||||
int
|
||||
spa_alsa_enum_format(struct state *state, int seq,
|
||||
uint32_t start, uint32_t num,
|
||||
const struct spa_pod *filter);
|
||||
|
||||
int spa_alsa_set_format(struct state *state, struct spa_audio_info *info, uint32_t flags);
|
||||
|
||||
int spa_alsa_start(struct state *state);
|
||||
int spa_alsa_reslave(struct state *state);
|
||||
int spa_alsa_pause(struct state *state);
|
||||
int spa_alsa_close(struct state *state);
|
||||
|
||||
int spa_alsa_write(struct state *state, snd_pcm_uframes_t silence);
|
||||
int spa_alsa_read(struct state *state, snd_pcm_uframes_t silence);
|
||||
|
||||
#ifdef __cplusplus
|
||||
} /* extern "C" */
|
||||
#endif
|
||||
|
||||
#endif /* SPA_ALSA_UTILS_H */
|
||||
Loading…
Add table
Add a link
Reference in a new issue