PipeWire  0.3.66
h264-utils.h
Go to the documentation of this file.
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 static inline int
22 spa_format_video_h264_parse(const struct spa_pod *format,
23  struct spa_video_info_h264 *info)
24 {
25  return spa_pod_parse_object(format,
32 }
33 
34 static inline struct spa_pod *
35 spa_format_video_h264_build(struct spa_pod_builder *builder, uint32_t id,
36  struct spa_video_info_h264 *info)
37 {
38  struct spa_pod_frame f;
43  0);
44  if (info->size.width != 0 && info->size.height != 0)
45  spa_pod_builder_add(builder,
47  if (info->framerate.denom != 0)
48  spa_pod_builder_add(builder,
50  if (info->max_framerate.denom != 0)
51  spa_pod_builder_add(builder,
53  if (info->stream_format != 0)
54  spa_pod_builder_add(builder,
56  if (info->alignment != 0)
57  spa_pod_builder_add(builder,
59  return (struct spa_pod*)spa_pod_builder_pop(builder, &f);
60 }
61 
66 #ifdef __cplusplus
67 } /* extern "C" */
68 #endif
69 
70 #endif /* SPA_VIDEO_H264_UTILS_H */
spa/pod/builder.h
static struct spa_pod * spa_format_video_h264_build(struct spa_pod_builder *builder, uint32_t id, struct spa_video_info_h264 *info)
Definition: h264-utils.h:40
static int spa_format_video_h264_parse(const struct spa_pod *format, struct spa_video_info_h264 *info)
Definition: h264-utils.h:27
@ SPA_MEDIA_TYPE_video
Definition: param/format.h:28
@ SPA_FORMAT_VIDEO_framerate
frame rate (Fraction)
Definition: param/format.h:123
@ SPA_FORMAT_VIDEO_H264_streamFormat
(Id enum spa_h264_stream_format)
Definition: param/format.h:137
@ SPA_FORMAT_mediaType
media type (Id enum spa_media_type)
Definition: param/format.h:92
@ SPA_FORMAT_VIDEO_size
size (Rectangle)
Definition: param/format.h:122
@ SPA_FORMAT_VIDEO_maxFramerate
maximum frame rate (Fraction)
Definition: param/format.h:124
@ SPA_FORMAT_mediaSubtype
media subtype (Id enum spa_media_subtype)
Definition: param/format.h:93
@ SPA_FORMAT_VIDEO_H264_alignment
(Id enum spa_h264_alignment)
Definition: param/format.h:138
@ SPA_MEDIA_SUBTYPE_h264
Definition: param/format.h:61
#define SPA_POD_Fraction(val)
Definition: vararg.h:111
#define SPA_POD_OPT_Rectangle(val)
Definition: parser.h:536
static void * spa_pod_builder_pop(struct spa_pod_builder *builder, struct spa_pod_frame *frame)
Definition: builder.h:168
static int spa_pod_builder_add(struct spa_pod_builder *builder,...)
Definition: builder.h:647
#define SPA_POD_OPT_Fraction(val)
Definition: parser.h:538
#define SPA_POD_Id(val)
Definition: vararg.h:49
#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_Rectangle(val)
Definition: vararg.h:102
#define spa_pod_parse_object(pod, type, id,...)
Definition: parser.h:576
@ SPA_TYPE_OBJECT_Format
Definition: spa/include/spa/utils/type.h:76
spa/param/video/h264.h
spa/pod/parser.h
uint32_t denom
Definition: defs.h:121
Definition: builder.h:53
Definition: iter.h:27
Definition: pod/pod.h:43
uint32_t width
Definition: defs.h:99
uint32_t height
Definition: defs.h:100
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