PipeWire: format-utils.h Source File

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video/format-utils.h
1/* Simple Plugin API */
2/* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
3/* SPDX-License-Identifier: MIT */
4
5#ifndef SPA_PARAM_VIDEO_FORMAT_UTILS_H
6#define SPA_PARAM_VIDEO_FORMAT_UTILS_H
7
8#ifdef __cplusplus
9extern "C" {
10#endif
11
12#include <spa/param/format-utils.h>
13#include <spa/param/video/format.h>
14#include <spa/param/video/raw-utils.h>
15#include <spa/param/video/dsp-utils.h>
16#include <spa/param/video/h264-utils.h>
17#include <spa/param/video/mjpg-utils.h>
18
19static inline int
20spa_format_video_parse(const struct spa_pod *format, struct spa_video_info *info)
21{
22 int res;
23
24 if ((res = spa_format_parse(format, &info->media_type, &info->media_subtype)) < 0)
25 return res;
26
27 if (info->media_type != SPA_MEDIA_TYPE_video)
28 return -EINVAL;
29
30 switch (info->media_subtype) {
31 case SPA_MEDIA_SUBTYPE_raw:
32 return spa_format_video_raw_parse(format, &info->info.raw);
33 case SPA_MEDIA_SUBTYPE_dsp:
34 return spa_format_video_dsp_parse(format, &info->info.dsp);
35 case SPA_MEDIA_SUBTYPE_h264:
36 return spa_format_video_h264_parse(format, &info->info.h264);
37 case SPA_MEDIA_SUBTYPE_mjpg:
38 return spa_format_video_mjpg_parse(format, &info->info.mjpg);
39 }
40 return -ENOTSUP;
41}
42
43static inline struct spa_pod *
44spa_format_video_build(struct spa_pod_builder *builder, uint32_t id, struct spa_video_info *info)
45{
46 switch (info->media_subtype) {
47 case SPA_MEDIA_SUBTYPE_raw:
48 return spa_format_video_raw_build(builder, id, &info->info.raw);
49 case SPA_MEDIA_SUBTYPE_dsp:
50 return spa_format_video_dsp_build(builder, id, &info->info.dsp);
51 case SPA_MEDIA_SUBTYPE_h264:
52 return spa_format_video_h264_build(builder, id, &info->info.h264);
53 case SPA_MEDIA_SUBTYPE_mjpg:
54 return spa_format_video_mjpg_build(builder, id, &info->info.mjpg);
55 }
56 errno = ENOTSUP;
57 return NULL;
58}
59
60#ifdef __cplusplus
61} /* extern "C" */
62#endif
63
64#endif /* SPA_PARAM_VIDEO_FORMAT_UTILS_H */
format-utils.h
spa_format_parse
static int spa_format_parse(const struct spa_pod *format, uint32_t *media_type, uint32_t *media_subtype)
Definition format-utils.h:27
spa_format_video_h264_build
static struct spa_pod * spa_format_video_h264_build(struct spa_pod_builder *builder, uint32_t id, struct spa_video_info_h264 *info)
Definition h264-utils.h:40
spa_format_video_dsp_build
static struct spa_pod * spa_format_video_dsp_build(struct spa_pod_builder *builder, uint32_t id, struct spa_video_info_dsp *info)
Definition video/dsp-utils.h:45
spa_format_video_dsp_parse
static int spa_format_video_dsp_parse(const struct spa_pod *format, struct spa_video_info_dsp *info)
Definition video/dsp-utils.h:27
spa_format_video_raw_build
static struct spa_pod * spa_format_video_raw_build(struct spa_pod_builder *builder, uint32_t id, struct spa_video_info_raw *info)
Definition video/raw-utils.h:58
spa_format_video_raw_parse
static int spa_format_video_raw_parse(const struct spa_pod *format, struct spa_video_info_raw *info)
Definition video/raw-utils.h:27
spa_format_video_mjpg_build
static struct spa_pod * spa_format_video_mjpg_build(struct spa_pod_builder *builder, uint32_t id, struct spa_video_info_mjpg *info)
Definition mjpg-utils.h:38
spa_format_video_h264_parse
static int spa_format_video_h264_parse(const struct spa_pod *format, struct spa_video_info_h264 *info)
Definition h264-utils.h:27
spa_format_video_mjpg_parse
static int spa_format_video_mjpg_parse(const struct spa_pod *format, struct spa_video_info_mjpg *info)
Definition mjpg-utils.h:27
SPA_MEDIA_TYPE_video
@ SPA_MEDIA_TYPE_video
Definition param/format.h:28
SPA_MEDIA_SUBTYPE_h264
@ SPA_MEDIA_SUBTYPE_h264
Definition param/format.h:62
SPA_MEDIA_SUBTYPE_mjpg
@ SPA_MEDIA_SUBTYPE_mjpg
Definition param/format.h:63
SPA_MEDIA_SUBTYPE_dsp
@ SPA_MEDIA_SUBTYPE_dsp
Definition param/format.h:39
SPA_MEDIA_SUBTYPE_raw
@ SPA_MEDIA_SUBTYPE_raw
Definition param/format.h:38
h264-utils.h
mjpg-utils.h
format.h
spa/param/video/format.h
spa_pod_builder
Definition builder.h:53
spa_pod
Definition pod/pod.h:43
spa_pod::type
uint32_t type
Definition pod/pod.h:45
spa_video_info
Definition param/video/format.h:27
spa_video_info::mjpg
struct spa_video_info_mjpg mjpg
Definition param/video/format.h:34
spa_video_info::info
union spa_video_info::@5 info
spa_video_info::media_subtype
uint32_t media_subtype
Definition param/video/format.h:29
spa_video_info::raw
struct spa_video_info_raw raw
Definition param/video/format.h:31
spa_video_info::media_type
uint32_t media_type
Definition param/video/format.h:28
spa_video_info::h264
struct spa_video_info_h264 h264
Definition param/video/format.h:33
spa_video_info::dsp
struct spa_video_info_dsp dsp
Definition param/video/format.h:32
dsp-utils.h
raw-utils.h