pipewire/spa/include/spa/param/video/format-utils.h
Wim Taymans 00ae289a14 spa: reorganize params
Split files into separate files.
Move type annotations to a matching -types.h files.
Move helpers to matching -utils.h files.
Add helpers to parse generic audio and video info.
2023-01-13 11:02:51 +01:00

84 lines
2.8 KiB
C

/* Simple Plugin API
*
* 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_PARAM_VIDEO_FORMAT_UTILS_H
#define SPA_PARAM_VIDEO_FORMAT_UTILS_H
#ifdef __cplusplus
extern "C" {
#endif
#include <spa/param/format-utils.h>
#include <spa/param/video/format.h>
#include <spa/param/video/raw-utils.h>
#include <spa/param/video/dsp-utils.h>
#include <spa/param/video/h264-utils.h>
#include <spa/param/video/mjpg-utils.h>
static inline int
spa_format_video_parse(const struct spa_pod *format, struct spa_video_info *info)
{
int res;
if ((res = spa_format_parse(format, &info->media_type, &info->media_subtype)) < 0)
return res;
if (info->media_type != SPA_MEDIA_TYPE_video)
return -EINVAL;
switch (info->media_type) {
case SPA_MEDIA_SUBTYPE_raw:
return spa_format_video_raw_parse(format, &info->info.raw);
case SPA_MEDIA_SUBTYPE_dsp:
return spa_format_video_dsp_parse(format, &info->info.dsp);
case SPA_MEDIA_SUBTYPE_h264:
return spa_format_video_h264_parse(format, &info->info.h264);
case SPA_MEDIA_SUBTYPE_mjpg:
return spa_format_video_mjpg_parse(format, &info->info.mjpg);
}
return -ENOTSUP;
}
static inline struct spa_pod *
spa_format_video_build(struct spa_pod_builder *builder, uint32_t id, struct spa_video_info *info)
{
switch (info->media_type) {
case SPA_MEDIA_SUBTYPE_raw:
return spa_format_video_raw_build(builder, id, &info->info.raw);
case SPA_MEDIA_SUBTYPE_dsp:
return spa_format_video_dsp_build(builder, id, &info->info.dsp);
case SPA_MEDIA_SUBTYPE_h264:
return spa_format_video_h264_build(builder, id, &info->info.h264);
case SPA_MEDIA_SUBTYPE_mjpg:
return spa_format_video_mjpg_build(builder, id, &info->info.mjpg);
}
errno = ENOTSUP;
return NULL;
}
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* SPA_PARAM_VIDEO_FORMAT_UTILS_H */