PipeWire 0.3.77
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mjpg-utils.h
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1/* Simple Plugin API */
2/* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
3/* SPDX-License-Identifier: MIT */
4
5#ifndef SPA_VIDEO_MJPG_UTILS_H
6#define SPA_VIDEO_MJPG_UTILS_H
7
8#ifdef __cplusplus
9extern "C" {
10#endif
11
17#include <spa/pod/parser.h>
18#include <spa/pod/builder.h>
20
21static inline int
22spa_format_video_mjpg_parse(const struct spa_pod *format,
23 struct spa_video_info_mjpg *info)
24{
25 return spa_pod_parse_object(format,
30}
31
32static inline struct spa_pod *
33spa_format_video_mjpg_build(struct spa_pod_builder *builder, uint32_t id,
34 struct spa_video_info_mjpg *info)
35{
36 struct spa_pod_frame f;
41 0);
42 if (info->size.width != 0 && info->size.height != 0)
43 spa_pod_builder_add(builder,
45 if (info->framerate.denom != 0)
46 spa_pod_builder_add(builder,
48 if (info->max_framerate.denom != 0)
49 spa_pod_builder_add(builder,
51 return (struct spa_pod*)spa_pod_builder_pop(builder, &f);
52}
53
58#ifdef __cplusplus
59} /* extern "C" */
60#endif
61
62#endif /* SPA_VIDEO_MJPG_UTILS_H */
spa/pod/builder.h
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
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
Definition: param/format.h:28
@ SPA_FORMAT_VIDEO_framerate
frame rate (Fraction)
Definition: param/format.h:124
@ SPA_FORMAT_mediaType
media type (Id enum spa_media_type)
Definition: param/format.h:93
@ SPA_FORMAT_VIDEO_size
size (Rectangle)
Definition: param/format.h:123
@ SPA_FORMAT_VIDEO_maxFramerate
maximum frame rate (Fraction)
Definition: param/format.h:125
@ SPA_FORMAT_mediaSubtype
media subtype (Id enum spa_media_subtype)
Definition: param/format.h:94
@ SPA_MEDIA_SUBTYPE_mjpg
Definition: param/format.h:63
#define SPA_POD_Fraction(val)
Definition: vararg.h:111
#define SPA_POD_OPT_Rectangle(val)
Definition: parser.h:536
static int spa_pod_builder_add(struct spa_pod_builder *builder,...)
Definition: builder.h:647
#define SPA_POD_OPT_Fraction(val)
Definition: parser.h:538
#define SPA_POD_Id(val)
Definition: vararg.h:49
static void * spa_pod_builder_pop(struct spa_pod_builder *builder, struct spa_pod_frame *frame)
Definition: builder.h:168
static int spa_pod_builder_push_object(struct spa_pod_builder *builder, struct spa_pod_frame *frame, uint32_t type, uint32_t id)
Definition: builder.h:435
#define SPA_POD_Rectangle(val)
Definition: vararg.h:102
#define spa_pod_parse_object(pod, type, id,...)
Definition: parser.h:576
@ SPA_TYPE_OBJECT_Format
Definition: spa/include/spa/utils/type.h:76
spa/param/video/mjpg.h
spa/pod/parser.h
uint32_t denom
Definition: defs.h:125
Definition: builder.h:53
Definition: iter.h:27
Definition: pod/pod.h:43
uint32_t width
Definition: defs.h:103
uint32_t height
Definition: defs.h:104
Definition: mjpg.h:24
struct spa_fraction max_framerate
Definition: mjpg.h:27
struct spa_fraction framerate
Definition: mjpg.h:26
struct spa_rectangle size
Definition: mjpg.h:25