mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2025-12-17 08:56:49 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Cleanups

Browse source
This commit is contained in:
Wim Taymans 2016-09-20 11:20:43 +02:00
parent 49cfe41c94
commit 77f93e37ed
12 changed files with 1458 additions and 39 deletions
Download patch file Download diff file Expand all files Collapse all files

120
spa/plugins/alsa/alsa-utils.h Normal file
View file

@ -0,0 +1,120 @@
/* Spa ALSA Sink
* Copyright (C) 2016 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __SPA_ALSA_UTILS_H__
#define __SPA_ALSA_UTILS_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <stddef.h>
#include <asoundlib.h>
#include <spa/queue.h>
#include <spa/node.h>
#include <spa/audio/format.h>
typedef struct _SpaALSAState SpaALSAState;
typedef struct _SpaALSABuffer SpaALSABuffer;
typedef struct {
SpaProps props;
char device[64];
char device_name[128];
char card_name[128];
uint32_t buffer_time;
uint32_t period_time;
bool period_event;
} SpaALSAProps;
struct _SpaALSABuffer {
SpaBuffer buffer;
SpaMeta metas[2];
SpaMetaHeader header;
SpaMetaRingbuffer ringbuffer;
SpaData datas[1];
SpaBuffer *outbuf;
void *ptr;
bool outstanding;
SpaALSABuffer *next;
};
struct _SpaALSAState {
SpaHandle handle;
SpaNode node;
SpaClock clock;
snd_pcm_stream_t stream;
snd_output_t *output;
SpaNodeEventCallback event_cb;
void *user_data;
SpaALSAProps props[2];
bool opened;
snd_pcm_t *hndl;
bool have_format;
SpaFormatAudio query_format;
SpaFormatAudio current_format;
snd_pcm_sframes_t buffer_frames;
snd_pcm_sframes_t period_frames;
snd_pcm_format_t format;
int rate;
int channels;
size_t frame_size;
SpaPortInfo info;
SpaAllocParam *params[1];
SpaAllocParamBuffers param_buffers;
SpaPortStatus status;
bool have_buffers;
SpaMemory *alloc_bufmem;
SpaMemory *alloc_mem;
SpaALSABuffer *alloc_buffers;
unsigned int n_buffers;
SpaQueue free;
SpaQueue ready;
bool running;
SpaPollFd fds[16];
SpaPollItem poll;
int64_t last_ticks;
int64_t last_monotonic;
};
int spa_alsa_set_format (SpaALSAState *state,
SpaFormatAudio *fmt,
SpaPortFormatFlags flags);
int spa_alsa_start (SpaALSAState *state);
int spa_alsa_stop (SpaALSAState *state);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* __SPA_ALSA_UTILS_H__ */