PipeWire  1.0.1
raw-utils.h
Go to the documentation of this file.
1 /* Simple Plugin API */
2 /* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
3 /* SPDX-License-Identifier: MIT */
4 
5 #ifndef SPA_VIDEO_RAW_UTILS_H
6 #define SPA_VIDEO_RAW_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/raw.h>
20 
21 static inline int
22 spa_format_video_raw_parse(const struct spa_pod *format,
23  struct spa_video_info_raw *info)
24 {
25  info->flags = SPA_VIDEO_FLAG_NONE;
26  const struct spa_pod_prop *mod_prop;
27  if ((mod_prop = spa_pod_find_prop (format, NULL, SPA_FORMAT_VIDEO_modifier)) != NULL) {
31  }
32 
33  return spa_pod_parse_object(format,
50 }
51 
52 static inline struct spa_pod *
53 spa_format_video_raw_build(struct spa_pod_builder *builder, uint32_t id,
54  struct spa_video_info_raw *info)
55 {
56  struct spa_pod_frame f;
61  0);
62  if (info->format != SPA_VIDEO_FORMAT_UNKNOWN)
63  spa_pod_builder_add(builder,
65  if (info->size.width != 0 && info->size.height != 0)
66  spa_pod_builder_add(builder,
68  if (info->framerate.denom != 0)
69  spa_pod_builder_add(builder,
71  if (info->modifier != 0 || info->flags & SPA_VIDEO_FLAG_MODIFIER) {
72  spa_pod_builder_prop(builder,
74  spa_pod_builder_long(builder, info->modifier);
75  }
76  if (info->max_framerate.denom != 0)
77  spa_pod_builder_add(builder,
79  if (info->views != 0)
80  spa_pod_builder_add(builder,
82  if (info->interlace_mode != 0)
83  spa_pod_builder_add(builder,
85  if (info->pixel_aspect_ratio.denom != 0)
86  spa_pod_builder_add(builder,
88  if (info->multiview_mode != 0)
89  spa_pod_builder_add(builder,
91  if (info->multiview_flags != 0)
92  spa_pod_builder_add(builder,
94  if (info->chroma_site != 0)
95  spa_pod_builder_add(builder,
97  if (info->color_range != 0)
98  spa_pod_builder_add(builder,
100  if (info->color_matrix != 0)
101  spa_pod_builder_add(builder,
103  if (info->transfer_function != 0)
104  spa_pod_builder_add(builder,
106  if (info->color_primaries != 0)
107  spa_pod_builder_add(builder,
109  return (struct spa_pod*)spa_pod_builder_pop(builder, &f);
110 }
111 
116 #ifdef __cplusplus
117 } /* extern "C" */
118 #endif
119 
120 #endif /* SPA_VIDEO_RAW_UTILS_H */
static int spa_format_video_raw_parse(const struct spa_pod *format, struct spa_video_info_raw *info)
Definition: raw-utils.h:27
#define SPA_POD_OPT_Id(val)
Definition: parser.h:520
#define SPA_POD_OPT_Long(val)
Definition: parser.h:524
Definition: pod.h:208
#define SPA_POD_Int(val)
Definition: vararg.h:54
(Id enum spa_video_multiview_flags)
Definition: format.h:130
use the format modifier
Definition: raw.h:148
uint32_t denom
Definition: defs.h:125
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
media type (Id enum spa_media_type)
Definition: format.h:93
format modifier was not fixated yet
Definition: raw.h:149
/Id enum spa_video_color_matrix)
Definition: format.h:133
static int spa_pod_builder_add(struct spa_pod_builder *builder,...)
Definition: builder.h:647
/Id enum spa_video_color_range)
Definition: format.h:132
#define SPA_POD_OPT_Rectangle(val)
Definition: parser.h:536
uint32_t height
Definition: defs.h:104
/Id enum spa_video_transfer_function)
Definition: format.h:134
Definition: iter.h:27
size (Rectangle)
Definition: format.h:123
struct spa_fraction max_framerate
the maximum framerate of the video.
Definition: raw.h:183
spa/pod/parser.h
(Id enum spa_video_interlace_mode)
Definition: format.h:127
#define SPA_POD_OPT_Int(val)
Definition: parser.h:522
enum spa_video_multiview_mode multiview_mode
multiview mode
Definition: raw.h:188
Definition: format.h:28
media subtype (Id enum spa_media_subtype)
Definition: format.h:94
enum spa_video_transfer_function transfer_function
the transfer function.
Definition: raw.h:195
uint32_t flags
extra video flags
Definition: raw.h:178
number of views (Int)
Definition: format.h:126
enum spa_video_color_matrix color_matrix
the color matrix.
Definition: raw.h:193
static void * spa_pod_builder_pop(struct spa_pod_builder *builder, struct spa_pod_frame *frame)
Definition: builder.h:168
frame rate (Fraction)
Definition: format.h:124
uint32_t views
the number of views in this video
Definition: raw.h:185
static int spa_pod_builder_prop(struct spa_pod_builder *builder, uint32_t key, uint32_t flags)
Definition: builder.h:450
enum spa_video_color_range color_range
the color range.
Definition: raw.h:191
#define SPA_POD_OPT_Fraction(val)
Definition: parser.h:538
enum spa_video_multiview_flags multiview_flags
multiview flags
Definition: raw.h:189
format modifier (Long) use only with DMA-BUF and omit for other buffer types
Definition: format.h:121
static struct spa_pod * spa_format_video_raw_build(struct spa_pod_builder *builder, uint32_t id, struct spa_video_info_raw *info)
Definition: raw-utils.h:58
uint32_t width
Definition: defs.h:103
Definition: pod.h:43
#define spa_pod_parse_object(pod, type, id,...)
Definition: parser.h:576
Definition: type.h:76
no flags
Definition: raw.h:144
enum spa_video_format format
the format
Definition: raw.h:177
video format (Id enum spa_video_format)
Definition: format.h:120
#define SPA_POD_Rectangle(val)
Definition: vararg.h:102
spa/pod/builder.h
#define SPA_POD_Fraction(val)
Definition: vararg.h:111
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
struct spa_fraction framerate
the framerate of the video, 0/1 means variable rate
Definition: raw.h:182
Definition: builder.h:53
#define SPA_POD_PROP_FLAG_MANDATORY
is mandatory
Definition: pod.h:226
(Rectangle)
Definition: format.h:128
(Id enum spa_video_multiview_mode)
Definition: format.h:129
struct spa_fraction pixel_aspect_ratio
the pixel aspect ratio
Definition: raw.h:187
spa/param/video/raw.h
Definition: raw.h:44
Definition: raw.h:176
enum spa_video_interlace_mode interlace_mode
the interlace mode
Definition: raw.h:186
maximum frame rate (Fraction)
Definition: format.h:125
/Id enum spa_video_chroma_site)
Definition: format.h:131
/Id enum spa_video_color_primaries)
Definition: format.h:135
#define SPA_POD_Id(val)
Definition: vararg.h:49
#define SPA_POD_PROP_FLAG_DONT_FIXATE
choices need no fixation
Definition: pod.h:228
enum spa_video_color_primaries color_primaries
color primaries.
Definition: raw.h:196
Definition: format.h:38
static int spa_pod_builder_long(struct spa_pod_builder *builder, int64_t val)
Definition: builder.h:256
uint32_t flags
flags for property
Definition: pod.h:229
struct spa_rectangle size
the frame size of the video
Definition: raw.h:181
uint64_t modifier
format modifier only used with DMA-BUF
Definition: raw.h:179
enum spa_video_chroma_site chroma_site
the chroma siting
Definition: raw.h:190