pipewire/spa/include/spa/param/audio/format-utils.h
Wim Taymans fb3379e587 Pass channelmask around and use it to name ports
Use the channel name in the port names of the dsp
2018-09-11 18:09:45 +02:00

63 lines
2.3 KiB
C

/* Simple Plugin API
* 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_PARAM_AUDIO_FORMAT_UTILS_H__
#define __SPA_PARAM_AUDIO_FORMAT_UTILS_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <spa/pod/parser.h>
#include <spa/pod/builder.h>
#include <spa/param/audio/format.h>
#include <spa/param/format-utils.h>
static inline int
spa_format_audio_raw_parse(const struct spa_pod *format, struct spa_audio_info_raw *info)
{
return spa_pod_object_parse(format,
":", SPA_FORMAT_AUDIO_format, "I", &info->format,
":", SPA_FORMAT_AUDIO_layout, "I", &info->layout,
":", SPA_FORMAT_AUDIO_rate, "i", &info->rate,
":", SPA_FORMAT_AUDIO_channels, "i", &info->channels,
":", SPA_FORMAT_AUDIO_flags, "?i", &info->flags,
":", SPA_FORMAT_AUDIO_channelMask, "?l", &info->channel_mask, NULL);
}
static inline struct spa_pod *
spa_format_audio_raw_build(struct spa_pod_builder *builder, uint32_t id, struct spa_audio_info_raw *info)
{
return spa_pod_builder_object(builder,
SPA_TYPE_OBJECT_Format, id,
SPA_FORMAT_mediaType, &SPA_POD_Id(SPA_MEDIA_TYPE_audio),
SPA_FORMAT_mediaSubtype, &SPA_POD_Id(SPA_MEDIA_SUBTYPE_raw),
SPA_FORMAT_AUDIO_format, &SPA_POD_Id(info->format),
SPA_FORMAT_AUDIO_layout, &SPA_POD_Id(info->layout),
SPA_FORMAT_AUDIO_rate, &SPA_POD_Int(info->rate),
SPA_FORMAT_AUDIO_channels, &SPA_POD_Int(info->channels),
0);
}
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* __SPA_PARAM_AUDIO_FORMAT_UTILS */