PipeWire  0.3.66
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
9 extern "C" {
10 #endif
11 
12 #include <spa/param/format-utils.h>
13 #include <spa/param/video/format.h>
18 
19 static inline int
20 spa_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) {
32  return spa_format_video_raw_parse(format, &info->info.raw);
34  return spa_format_video_dsp_parse(format, &info->info.dsp);
36  return spa_format_video_h264_parse(format, &info->info.h264);
38  return spa_format_video_mjpg_parse(format, &info->info.mjpg);
39  }
40  return -ENOTSUP;
41 }
42 
43 static inline struct spa_pod *
44 spa_format_video_build(struct spa_pod_builder *builder, uint32_t id, struct spa_video_info *info)
45 {
46  switch (info->media_subtype) {
48  return spa_format_video_raw_build(builder, id, &info->info.raw);
50  return spa_format_video_dsp_build(builder, id, &info->info.dsp);
52  return spa_format_video_h264_build(builder, id, &info->info.h264);
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 */
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:42
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_parse(const struct spa_pod *format, uint32_t *media_type, uint32_t *media_subtype)
Definition: format-utils.h:27
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:55
static int spa_format_video_dsp_parse(const struct spa_pod *format, struct spa_video_info_dsp *info)
Definition: video/dsp-utils.h:27
static int spa_format_video_raw_parse(const struct spa_pod *format, struct spa_video_info_raw *info)
Definition: video/raw-utils.h:27
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
static int spa_format_video_h264_parse(const struct spa_pod *format, struct spa_video_info_h264 *info)
Definition: h264-utils.h:27
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_MEDIA_SUBTYPE_h264
Definition: param/format.h:61
@ SPA_MEDIA_SUBTYPE_mjpg
Definition: param/format.h:62
@ SPA_MEDIA_SUBTYPE_dsp
Definition: param/format.h:39
@ SPA_MEDIA_SUBTYPE_raw
Definition: param/format.h:38
spa/param/video/format.h
Definition: builder.h:53
Definition: pod/pod.h:43
Definition: param/video/format.h:27
struct spa_video_info_mjpg mjpg
Definition: param/video/format.h:34
uint32_t media_subtype
Definition: param/video/format.h:29
struct spa_video_info_raw raw
Definition: param/video/format.h:31
uint32_t media_type
Definition: param/video/format.h:28
struct spa_video_info_h264 h264
Definition: param/video/format.h:33
union spa_video_info::@8 info
struct spa_video_info_dsp dsp
Definition: param/video/format.h:32