diff options
Diffstat (limited to 'alsa-lib/include/aserver.h')
| -rw-r--r-- | alsa-lib/include/aserver.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/alsa-lib/include/aserver.h b/alsa-lib/include/aserver.h new file mode 100644 index 0000000..2586832 --- /dev/null +++ b/alsa-lib/include/aserver.h @@ -0,0 +1,160 @@ +/* + * ALSA client/server header file + * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org> + * + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This program 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 Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <netdb.h> +#include "../src/pcm/pcm_local.h" +#include "../src/control/control_local.h" + +int snd_receive_fd(int sock, void *data, size_t len, int *fd); +int snd_is_local(struct hostent *hent); + +typedef enum _snd_dev_type { + SND_DEV_TYPE_PCM, + SND_DEV_TYPE_CONTROL, + SND_DEV_TYPE_RAWMIDI, + SND_DEV_TYPE_TIMER, + SND_DEV_TYPE_HWDEP, + SND_DEV_TYPE_SEQ, +} snd_dev_type_t; + +typedef enum _snd_transport_type { + SND_TRANSPORT_TYPE_SHM, + SND_TRANSPORT_TYPE_TCP, +} snd_transport_type_t; + +#define SND_PCM_IOCTL_HWSYNC _IO ('A', 0x22) +#define SND_PCM_IOCTL_STATE _IO ('A', 0xf1) +#define SND_PCM_IOCTL_MMAP _IO ('A', 0xf2) +#define SND_PCM_IOCTL_MUNMAP _IO ('A', 0xf3) +#define SND_PCM_IOCTL_MMAP_COMMIT _IO ('A', 0xf4) +#define SND_PCM_IOCTL_AVAIL_UPDATE _IO ('A', 0xf5) +#define SND_PCM_IOCTL_ASYNC _IO ('A', 0xf6) +#define SND_PCM_IOCTL_CLOSE _IO ('A', 0xf7) +#define SND_PCM_IOCTL_POLL_DESCRIPTOR _IO ('A', 0xf8) +#define SND_PCM_IOCTL_HW_PTR_FD _IO ('A', 0xf9) +#define SND_PCM_IOCTL_APPL_PTR_FD _IO ('A', 0xfa) +#define SND_PCM_IOCTL_FORWARD _IO ('A', 0xfb) + +typedef struct { + snd_pcm_uframes_t ptr; + int use_mmap; + off_t offset; /* for mmap */ + int changed; +} snd_pcm_shm_rbptr_t; + +typedef struct { + long result; + int cmd; + snd_pcm_shm_rbptr_t hw; + snd_pcm_shm_rbptr_t appl; + union { + struct { + int sig; + pid_t pid; + } async; + snd_pcm_info_t info; + snd_pcm_hw_params_t hw_refine; + snd_pcm_hw_params_t hw_params; + snd_pcm_sw_params_t sw_params; + snd_pcm_status_t status; + struct { + snd_pcm_uframes_t frames; + } avail; + struct { + snd_pcm_sframes_t frames; + } delay; + struct { + int enable; + } pause; + snd_pcm_channel_info_t channel_info; + struct { + snd_pcm_uframes_t frames; + } rewind; + struct { + snd_pcm_uframes_t frames; + } forward; + struct { + int fd; + } link; + struct { + snd_pcm_uframes_t offset; + snd_pcm_uframes_t frames; + } mmap_commit; + struct { + char use_mmap; + int shmid; + off_t offset; + } rbptr; + } u; + char data[0]; +} snd_pcm_shm_ctrl_t; + +#define PCM_SHM_SIZE sizeof(snd_pcm_shm_ctrl_t) + +#define SND_CTL_IOCTL_READ _IOR('U', 0xf1, snd_ctl_event_t) +#define SND_CTL_IOCTL_CLOSE _IO ('U', 0xf2) +#define SND_CTL_IOCTL_POLL_DESCRIPTOR _IO ('U', 0xf3) +#define SND_CTL_IOCTL_ASYNC _IO ('U', 0xf4) + +typedef struct { + int result; + int cmd; + union { + struct { + int sig; + pid_t pid; + } async; + int device; + int subscribe_events; + snd_ctl_card_info_t card_info; + snd_ctl_elem_list_t element_list; + snd_ctl_elem_info_t element_info; + snd_ctl_elem_value_t element_read; + snd_ctl_elem_value_t element_write; + snd_ctl_elem_id_t element_lock; + snd_ctl_elem_id_t element_unlock; + snd_hwdep_info_t hwdep_info; + snd_pcm_info_t pcm_info; + int pcm_prefer_subdevice; + snd_rawmidi_info_t rawmidi_info; + int rawmidi_prefer_subdevice; + unsigned int power_state; + snd_ctl_event_t read; + } u; + char data[0]; +} snd_ctl_shm_ctrl_t; + +#define CTL_SHM_SIZE 65536 +#define CTL_SHM_DATA_MAXLEN (CTL_SHM_SIZE - offsetof(snd_ctl_shm_ctrl_t, data)) + +typedef struct { + unsigned char dev_type; + unsigned char transport_type; + unsigned char stream; + unsigned char mode; + unsigned char namelen; + char name[0]; +} snd_client_open_request_t; + +typedef struct { + long result; + int cookie; +} snd_client_open_answer_t; + |