PipeWire  0.3.66
video/dsp-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_DSP_UTILS_H
6 #define SPA_VIDEO_DSP_UTILS_H
7 
8 #ifdef __cplusplus
9 extern "C" {
10 #endif
11 
17 #include <spa/pod/parser.h>
18 #include <spa/pod/builder.h>
19 #include <spa/param/video/dsp.h>
20 
21 static inline int
22 spa_format_video_dsp_parse(const struct spa_pod *format,
23  struct spa_video_info_dsp *info)
24 {
25  info->flags = SPA_VIDEO_FLAG_NONE;
26  if (spa_pod_find_prop (format, NULL, SPA_FORMAT_VIDEO_modifier)) {
28  }
29 
30  return spa_pod_parse_object(format,
34 }
35 
36 static inline struct spa_pod *
37 spa_format_video_dsp_build(struct spa_pod_builder *builder, uint32_t id,
38  struct spa_video_info_dsp *info)
39 {
40  struct spa_pod_frame f;
45  0);
46  if (info->format != SPA_VIDEO_FORMAT_UNKNOWN)
47  spa_pod_builder_add(builder,
49  if (info->modifier != 0 || info->flags & SPA_VIDEO_FLAG_MODIFIER)
50  spa_pod_builder_add(builder,
52  return (struct spa_pod*)spa_pod_builder_pop(builder, &f);
53 }
54 
59 #ifdef __cplusplus
60 } /* extern "C" */
61 #endif
62 
63 #endif /* SPA_VIDEO_DSP_UTILS_H */
spa/pod/builder.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 int spa_format_video_dsp_parse(const struct spa_pod *format, struct spa_video_info_dsp *info)
Definition: video/dsp-utils.h:27
@ SPA_MEDIA_TYPE_video
Definition: param/format.h:28
@ SPA_VIDEO_FLAG_MODIFIER
use the format modifier
Definition: video/raw.h:148
@ SPA_VIDEO_FLAG_NONE
no flags
Definition: video/raw.h:144
@ SPA_FORMAT_mediaType
media type (Id enum spa_media_type)
Definition: param/format.h:92
@ SPA_FORMAT_VIDEO_modifier
format modifier (Long) use only with DMA-BUF and omit for other buffer types
Definition: param/format.h:120
@ SPA_FORMAT_VIDEO_format
video format (Id enum spa_video_format)
Definition: param/format.h:119
@ SPA_FORMAT_mediaSubtype
media subtype (Id enum spa_media_subtype)
Definition: param/format.h:93
@ SPA_MEDIA_SUBTYPE_dsp
Definition: param/format.h:39
@ SPA_VIDEO_FORMAT_UNKNOWN
Definition: video/raw.h:44
static void * spa_pod_builder_pop(struct spa_pod_builder *builder, struct spa_pod_frame *frame)
Definition: builder.h:168
#define SPA_POD_Long(val)
Definition: vararg.h:65
static int spa_pod_builder_add(struct spa_pod_builder *builder,...)
Definition: builder.h:647
#define SPA_POD_Id(val)
Definition: vararg.h:49
static const struct spa_pod_prop * spa_pod_find_prop(const struct spa_pod *pod, const struct spa_pod_prop *start, uint32_t key)
Definition: iter.h:408
#define SPA_POD_OPT_Id(val)
Definition: parser.h:520
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_parse_object(pod, type, id,...)
Definition: parser.h:576
#define SPA_POD_OPT_Long(val)
Definition: parser.h:524
@ SPA_TYPE_OBJECT_Format
Definition: spa/include/spa/utils/type.h:76
spa/pod/parser.h
Definition: builder.h:53
Definition: iter.h:27
Definition: pod/pod.h:43
Definition: video/dsp.h:24
uint32_t flags
Definition: video/dsp.h:26
enum spa_video_format format
Definition: video/dsp.h:25
uint64_t modifier
Definition: video/dsp.h:27
spa/param/video/dsp.h