mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-14 06:59:57 -05:00
6691eb7845
Improve event and command init so that it can be used more easily as compound literals. Improve volume Make it possible to use graph scheduler in test-mixer
131 lines
4.3 KiB
C
131 lines
4.3 KiB
C
/* Pinos
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* Copyright (C) 2016 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __PINOS_TRANSPORT_H__
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#define __PINOS_TRANSPORT_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct _PinosTransport PinosTransport;
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typedef struct _PinosTransportArea PinosTransportArea;
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#include <string.h>
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#include <spa/defs.h>
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#include <spa/node.h>
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#include <pinos/client/mem.h>
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#include <pinos/client/sig.h>
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typedef struct {
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int memfd;
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uint32_t offset;
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uint32_t size;
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} PinosTransportInfo;
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/**
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* PinosTransportArea:
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*
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* Shared structure between client and server
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*/
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struct _PinosTransportArea {
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uint32_t max_inputs;
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uint32_t n_inputs;
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uint32_t max_outputs;
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uint32_t n_outputs;
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};
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struct _PinosTransport {
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PINOS_SIGNAL (destroy_signal, (PinosListener *listener,
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PinosTransport *trans));
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PinosTransportArea *area;
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SpaPortIO *inputs;
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SpaPortIO *outputs;
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void *input_data;
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SpaRingbuffer *input_buffer;
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void *output_data;
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SpaRingbuffer *output_buffer;
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};
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PinosTransport * pinos_transport_new (uint32_t max_inputs,
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uint32_t max_outputs);
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PinosTransport * pinos_transport_new_from_info (PinosTransportInfo *info);
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void pinos_transport_destroy (PinosTransport *trans);
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SpaResult pinos_transport_get_info (PinosTransport *trans,
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PinosTransportInfo *info);
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SpaResult pinos_transport_add_event (PinosTransport *trans,
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SpaEvent *event);
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SpaResult pinos_transport_next_event (PinosTransport *trans,
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SpaEvent *event);
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SpaResult pinos_transport_parse_event (PinosTransport *trans,
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void *event);
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#define PINOS_TYPE_EVENT__Transport SPA_TYPE_EVENT_BASE "Transport"
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#define PINOS_TYPE_EVENT_TRANSPORT_BASE PINOS_TYPE_EVENT__Transport ":"
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#define PINOS_TYPE_EVENT_TRANSPORT__HaveOutput PINOS_TYPE_EVENT_TRANSPORT_BASE "HaveOutput"
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#define PINOS_TYPE_EVENT_TRANSPORT__NeedInput PINOS_TYPE_EVENT_TRANSPORT_BASE "NeedInput"
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#define PINOS_TYPE_EVENT_TRANSPORT__ReuseBuffer PINOS_TYPE_EVENT_TRANSPORT_BASE "ReuseBuffer"
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typedef struct {
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uint32_t HaveOutput;
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uint32_t NeedInput;
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uint32_t ReuseBuffer;
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} PinosTypeEventTransport;
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static inline void
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pinos_type_event_transport_map (SpaTypeMap *map, PinosTypeEventTransport *type)
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{
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if (type->HaveOutput == 0) {
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type->HaveOutput = spa_type_map_get_id (map, PINOS_TYPE_EVENT_TRANSPORT__HaveOutput);
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type->NeedInput = spa_type_map_get_id (map, PINOS_TYPE_EVENT_TRANSPORT__NeedInput);
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type->ReuseBuffer = spa_type_map_get_id (map, PINOS_TYPE_EVENT_TRANSPORT__ReuseBuffer);
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}
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}
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typedef struct {
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SpaPODObjectBody body;
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SpaPODInt port_id;
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SpaPODInt buffer_id;
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} PinosEventTransportReuseBufferBody;
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typedef struct {
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SpaPOD pod;
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PinosEventTransportReuseBufferBody body;
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} PinosEventTransportReuseBuffer;
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#define PINOS_EVENT_TRANSPORT_REUSE_BUFFER_INIT(type,port_id,buffer_id) \
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SPA_EVENT_INIT_COMPLEX (PinosEventTransportReuseBuffer, \
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sizeof (PinosEventTransportReuseBufferBody), type, \
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SPA_POD_INT_INIT (port_id), \
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SPA_POD_INT_INIT (buffer_id))
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* __PINOS_TRANSPORT_H__ */
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