PipeWire  1.3.83
h264-utils.h
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1 /* Simple Plugin API */
2 /* SPDX-FileCopyrightText: Copyright © 2023 Wim Taymans */
3 /* SPDX-License-Identifier: MIT */
4 
5 #ifndef SPA_VIDEO_H264_UTILS_H
6 #define SPA_VIDEO_H264_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/h264.h>
20 
21 #ifndef SPA_API_VIDEO_H264_UTILS
22  #ifdef SPA_API_IMPL
23  #define SPA_API_VIDEO_H264_UTILS SPA_API_IMPL
24  #else
25  #define SPA_API_VIDEO_H264_UTILS static inline
26  #endif
27 #endif
28 
30 spa_format_video_h264_parse(const struct spa_pod *format,
31  struct spa_video_info_h264 *info)
32 {
33  return spa_pod_parse_object(format,
40 }
41 
43 spa_format_video_h264_build(struct spa_pod_builder *builder, uint32_t id,
44  const struct spa_video_info_h264 *info)
45 {
46  struct spa_pod_frame f;
48  spa_pod_builder_add(builder,
51  0);
52  if (info->size.width != 0 && info->size.height != 0)
53  spa_pod_builder_add(builder,
55  if (info->framerate.denom != 0)
56  spa_pod_builder_add(builder,
58  if (info->max_framerate.denom != 0)
59  spa_pod_builder_add(builder,
61  if (info->stream_format != 0)
62  spa_pod_builder_add(builder,
64  if (info->alignment != 0)
65  spa_pod_builder_add(builder,
67  return (struct spa_pod*)spa_pod_builder_pop(builder, &f);
68 }
69 
74 #ifdef __cplusplus
75 } /* extern "C" */
76 #endif
77 
78 #endif /* SPA_VIDEO_H264_UTILS_H */
spa/pod/builder.h
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_H264_UTILS int spa_format_video_h264_parse(const struct spa_pod *format, struct spa_video_info_h264 *info)
Definition: h264-utils.h:37
#define SPA_API_VIDEO_H264_UTILS
Definition: h264-utils.h:32
@ SPA_MEDIA_TYPE_video
Definition: format.h:28
@ SPA_FORMAT_VIDEO_framerate
frame rate (Fraction)
Definition: format.h:124
@ SPA_FORMAT_VIDEO_H264_streamFormat
(Id enum spa_h264_stream_format)
Definition: format.h:138
@ SPA_FORMAT_mediaType
media type (Id enum spa_media_type)
Definition: format.h:93
@ SPA_FORMAT_VIDEO_size
size (Rectangle)
Definition: format.h:123
@ SPA_FORMAT_VIDEO_maxFramerate
maximum frame rate (Fraction)
Definition: format.h:125
@ SPA_FORMAT_mediaSubtype
media subtype (Id enum spa_media_subtype)
Definition: format.h:94
@ SPA_FORMAT_VIDEO_H264_alignment
(Id enum spa_h264_alignment)
Definition: format.h:139
@ SPA_MEDIA_SUBTYPE_h264
Definition: format.h:62
#define SPA_POD_Fraction(val)
Definition: vararg.h:111
#define SPA_POD_OPT_Rectangle(val)
Definition: parser.h:546
#define SPA_POD_OPT_Fraction(val)
Definition: parser.h:548
SPA_API_POD_BUILDER int spa_pod_builder_add(struct spa_pod_builder *builder,...)
Definition: builder.h:657
#define SPA_POD_Id(val)
Definition: vararg.h:49
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:445
#define SPA_POD_OPT_Id(val)
Definition: parser.h:530
#define SPA_POD_Rectangle(val)
Definition: vararg.h:102
#define spa_pod_parse_object(pod, type, id,...)
Definition: parser.h:586
SPA_API_POD_BUILDER void * spa_pod_builder_pop(struct spa_pod_builder *builder, struct spa_pod_frame *frame)
Definition: builder.h:178
@ SPA_TYPE_OBJECT_Format
Definition: type.h:87
spa/param/video/h264.h
spa/pod/parser.h
uint32_t denom
Definition: defs.h:139
Definition: builder.h:63
Definition: iter.h:37
Definition: pod.h:43
uint32_t width
Definition: defs.h:117
uint32_t height
Definition: defs.h:118
Definition: h264.h:37
enum spa_h264_alignment alignment
Definition: h264.h:42
struct spa_rectangle size
Definition: h264.h:38
struct spa_fraction framerate
Definition: h264.h:39
enum spa_h264_stream_format stream_format
Definition: h264.h:41
struct spa_fraction max_framerate
Definition: h264.h:40