PipeWire  1.4.5
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 #ifndef SPA_API_VIDEO_FORMAT_UTILS
20  #ifdef SPA_API_IMPL
21  #define SPA_API_VIDEO_FORMAT_UTILS SPA_API_IMPL
22  #else
23  #define SPA_API_VIDEO_FORMAT_UTILS static inline
24  #endif
25 #endif
26 
27 SPA_API_VIDEO_FORMAT_UTILS int
28 spa_format_video_parse(const struct spa_pod *format, struct spa_video_info *info)
29 {
30  int res;
31 
32  if ((res = spa_format_parse(format, &info->media_type, &info->media_subtype)) < 0)
33  return res;
34 
35  if (info->media_type != SPA_MEDIA_TYPE_video)
36  return -EINVAL;
37 
38  switch (info->media_subtype) {
40  return spa_format_video_raw_parse(format, &info->info.raw);
42  return spa_format_video_dsp_parse(format, &info->info.dsp);
44  return spa_format_video_h264_parse(format, &info->info.h264);
46  return spa_format_video_mjpg_parse(format, &info->info.mjpg);
47  }
48  return -ENOTSUP;
49 }
50 
51 SPA_API_VIDEO_FORMAT_UTILS struct spa_pod *
52 spa_format_video_build(struct spa_pod_builder *builder, uint32_t id,
53  const struct spa_video_info *info)
54 {
55  switch (info->media_subtype) {
57  return spa_format_video_raw_build(builder, id, &info->info.raw);
59  return spa_format_video_dsp_build(builder, id, &info->info.dsp);
61  return spa_format_video_h264_build(builder, id, &info->info.h264);
63  return spa_format_video_mjpg_build(builder, id, &info->info.mjpg);
64  }
65  errno = ENOTSUP;
66  return NULL;
67 }
68 
69 #ifdef __cplusplus
70 } /* extern "C" */
71 #endif
72 
73 #endif /* SPA_PARAM_VIDEO_FORMAT_UTILS_H */
uint32_t int int res
Definition: core.h:433
SPA_API_VIDEO_H264_UTILS struct spa_pod * spa_format_video_h264_build(struct spa_pod_builder *builder, uint32_t id, const struct spa_video_info_h264 *info)
Definition: h264-utils.h:50
SPA_API_VIDEO_MJPG_UTILS int spa_format_video_mjpg_parse(const struct spa_pod *format, struct spa_video_info_mjpg *info)
Definition: mjpg-utils.h:37
SPA_API_VIDEO_MJPG_UTILS struct spa_pod * spa_format_video_mjpg_build(struct spa_pod_builder *builder, uint32_t id, const struct spa_video_info_mjpg *info)
Definition: mjpg-utils.h:48
SPA_API_VIDEO_RAW_UTILS int spa_format_video_raw_parse(const struct spa_pod *format, struct spa_video_info_raw *info)
Definition: raw-utils.h:37
SPA_API_VIDEO_RAW_UTILS struct spa_pod * spa_format_video_raw_build(struct spa_pod_builder *builder, uint32_t id, const struct spa_video_info_raw *info)
Definition: raw-utils.h:68
SPA_API_VIDEO_H264_UTILS int spa_format_video_h264_parse(const struct spa_pod *format, struct spa_video_info_h264 *info)
Definition: h264-utils.h:37
SPA_API_VIDEO_DSP_UTILS struct spa_pod * spa_format_video_dsp_build(struct spa_pod_builder *builder, uint32_t id, const struct spa_video_info_dsp *info)
Definition: dsp-utils.h:55
SPA_API_VIDEO_DSP_UTILS int spa_format_video_dsp_parse(const struct spa_pod *format, struct spa_video_info_dsp *info)
Definition: dsp-utils.h:37
SPA_API_FORMAT_UTILS int spa_format_parse(const struct spa_pod *format, uint32_t *media_type, uint32_t *media_subtype)
Definition: format-utils.h:37
@ SPA_MEDIA_TYPE_video
Definition: format.h:28
@ SPA_MEDIA_SUBTYPE_h264
Definition: format.h:62
@ SPA_MEDIA_SUBTYPE_mjpg
Definition: format.h:63
@ SPA_MEDIA_SUBTYPE_dsp
Definition: format.h:39
@ SPA_MEDIA_SUBTYPE_raw
Definition: format.h:38
spa/param/video/format.h
Definition: builder.h:63
Definition: pod.h:43
Definition: format.h:27
struct spa_video_info_mjpg mjpg
Definition: format.h:34
union spa_video_info::@5 info
uint32_t media_subtype
Definition: format.h:29
struct spa_video_info_raw raw
Definition: format.h:31
uint32_t media_type
Definition: format.h:28
struct spa_video_info_h264 h264
Definition: format.h:33
struct spa_video_info_dsp dsp
Definition: format.h:32