PipeWire: spa/param/video/h265-utils.h Source File

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h265-utils.h
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1/* Simple Plugin API */
2/* SPDX-FileCopyrightText: Copyright © 2025 Wim Taymans */
3/* SPDX-FileCopyrightText: Copyright © 2025 Arun Raghavan */
4/* SPDX-License-Identifier: MIT */
5
6#ifndef SPA_VIDEO_H265_UTILS_H
7#define SPA_VIDEO_H265_UTILS_H
8
9#ifdef __cplusplus
10extern "C" {
11#endif
12
17
18#include <spa/pod/parser.h>
19#include <spa/pod/builder.h>
20#include <spa/param/video/h265.h>
21
22#ifndef SPA_API_VIDEO_H265_UTILS
23 #ifdef SPA_API_IMPL
24 #define SPA_API_VIDEO_H265_UTILS SPA_API_IMPL
25 #else
26 #define SPA_API_VIDEO_H265_UTILS static inline
27 #endif
28#endif
29
30 SPA_API_VIDEO_H265_UTILS int
31 spa_format_video_h265_parse(const struct spa_pod *format,
32 struct spa_video_info_h265 *info)
33{
34 return spa_pod_parse_object(format,
35 SPA_TYPE_OBJECT_Format, NULL,
36 SPA_FORMAT_VIDEO_size, SPA_POD_OPT_Rectangle(&info->size),
37 SPA_FORMAT_VIDEO_framerate, SPA_POD_OPT_Fraction(&info->framerate),
38 SPA_FORMAT_VIDEO_maxFramerate, SPA_POD_OPT_Fraction(&info->max_framerate),
39 SPA_FORMAT_VIDEO_H265_streamFormat, SPA_POD_OPT_Id(&info->stream_format),
40 SPA_FORMAT_VIDEO_H265_alignment, SPA_POD_OPT_Id(&info->alignment));
41}
42
43 SPA_API_VIDEO_H265_UTILS struct spa_pod *
44 spa_format_video_h265_build(struct spa_pod_builder *builder, uint32_t id,
45 const struct spa_video_info_h265 *info)
46{
47 struct spa_pod_frame f;
48 spa_pod_builder_push_object(builder, &f, SPA_TYPE_OBJECT_Format, id);
49 spa_pod_builder_add(builder,
50 SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_video),
51 SPA_FORMAT_mediaSubtype, SPA_POD_Id(SPA_MEDIA_SUBTYPE_h265),
52 0);
53 if (info->size.width != 0 && info->size.height != 0)
54 spa_pod_builder_add(builder,
55 SPA_FORMAT_VIDEO_size, SPA_POD_Rectangle(&info->size), 0);
56 if (info->framerate.denom != 0)
57 spa_pod_builder_add(builder,
58 SPA_FORMAT_VIDEO_framerate, SPA_POD_Fraction(&info->framerate), 0);
59 if (info->max_framerate.denom != 0)
60 spa_pod_builder_add(builder,
61 SPA_FORMAT_VIDEO_maxFramerate, SPA_POD_Fraction(&info->max_framerate), 0);
62 if (info->stream_format != 0)
63 spa_pod_builder_add(builder,
64 SPA_FORMAT_VIDEO_H265_streamFormat, SPA_POD_Id(info->stream_format), 0);
65 if (info->alignment != 0)
66 spa_pod_builder_add(builder,
67 SPA_FORMAT_VIDEO_H265_alignment, SPA_POD_Id(info->alignment), 0);
68 return (struct spa_pod*)spa_pod_builder_pop(builder, &f);
69}
70
74
75#ifdef __cplusplus
76} /* extern "C" */
77#endif
78
79#endif /* SPA_VIDEO_H265_UTILS_H */
builder.h
spa/pod/builder.h
spa_format_video_h265_build
SPA_API_VIDEO_H265_UTILS struct spa_pod * spa_format_video_h265_build(struct spa_pod_builder *builder, uint32_t id, const struct spa_video_info_h265 *info)
Definition h265-utils.h:51
spa_format_video_h265_parse
SPA_API_VIDEO_H265_UTILS int spa_format_video_h265_parse(const struct spa_pod *format, struct spa_video_info_h265 *info)
Definition h265-utils.h:38
SPA_API_VIDEO_H265_UTILS
#define SPA_API_VIDEO_H265_UTILS
Definition h265-utils.h:33
SPA_MEDIA_TYPE_video
@ SPA_MEDIA_TYPE_video
Definition format.h:28
SPA_FORMAT_VIDEO_framerate
@ SPA_FORMAT_VIDEO_framerate
frame rate (Fraction)
Definition format.h:134
SPA_FORMAT_mediaType
@ SPA_FORMAT_mediaType
media type (Id enum spa_media_type)
Definition format.h:99
SPA_FORMAT_VIDEO_size
@ SPA_FORMAT_VIDEO_size
size (Rectangle)
Definition format.h:133
SPA_FORMAT_VIDEO_maxFramerate
@ SPA_FORMAT_VIDEO_maxFramerate
maximum frame rate (Fraction)
Definition format.h:135
SPA_FORMAT_VIDEO_H265_alignment
@ SPA_FORMAT_VIDEO_H265_alignment
(Id enum spa_h265_alignment)
Definition format.h:151
SPA_FORMAT_mediaSubtype
@ SPA_FORMAT_mediaSubtype
media subtype (Id enum spa_media_subtype)
Definition format.h:100
SPA_FORMAT_VIDEO_H265_streamFormat
@ SPA_FORMAT_VIDEO_H265_streamFormat
(Id enum spa_h265_stream_format)
Definition format.h:150
SPA_MEDIA_SUBTYPE_h265
@ SPA_MEDIA_SUBTYPE_h265
Definition format.h:80
spa_pod_builder_pop
SPA_API_POD_BUILDER void * spa_pod_builder_pop(struct spa_pod_builder *builder, struct spa_pod_frame *frame)
Definition builder.h:213
SPA_POD_Fraction
#define SPA_POD_Fraction(val)
Definition vararg.h:119
SPA_POD_OPT_Rectangle
#define SPA_POD_OPT_Rectangle(val)
Definition parser.h:880
SPA_POD_OPT_Fraction
#define SPA_POD_OPT_Fraction(val)
Definition parser.h:882
spa_pod_builder_add
SPA_API_POD_BUILDER int spa_pod_builder_add(struct spa_pod_builder *builder,...)
Definition builder.h:713
SPA_POD_Id
#define SPA_POD_Id(val)
Definition vararg.h:53
spa_pod_builder_push_object
SPA_API_POD_BUILDER 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:475
SPA_POD_OPT_Id
#define SPA_POD_OPT_Id(val)
Definition parser.h:864
SPA_POD_Rectangle
#define SPA_POD_Rectangle(val)
Definition vararg.h:110
spa_pod_parse_object
#define spa_pod_parse_object(pod, type, id,...)
Definition parser.h:935
SPA_TYPE_OBJECT_Format
@ SPA_TYPE_OBJECT_Format
Definition type.h:87
h265.h
spa/param/video/h265.h
parser.h
spa/pod/parser.h
spa_pod_builder
Definition builder.h:63
spa_pod_frame
Definition body.h:38
spa_pod
Definition pod.h:57
spa_video_info_h265
Definition h265.h:38