Source code
Revision control
Copy as Markdown
Other Tools
/* Simple Plugin API */
/* SPDX-FileCopyrightText: Copyright © 2023 Wim Taymans */
/* SPDX-License-Identifier: MIT */
#ifndef SPA_VIDEO_H264_UTILS_H
#define SPA_VIDEO_H264_UTILS_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* \addtogroup spa_param
* \{
*/
#include <spa/pod/parser.h>
#include <spa/pod/builder.h>
#include <spa/param/video/h264.h>
#ifndef SPA_API_VIDEO_H264_UTILS
#ifdef SPA_API_IMPL
#define SPA_API_VIDEO_H264_UTILS SPA_API_IMPL
#else
#define SPA_API_VIDEO_H264_UTILS static inline
#endif
#endif
SPA_API_VIDEO_H264_UTILS int
spa_format_video_h264_parse(const struct spa_pod *format,
struct spa_video_info_h264 *info)
{
return spa_pod_parse_object(format,
SPA_TYPE_OBJECT_Format, NULL,
SPA_FORMAT_VIDEO_size, SPA_POD_OPT_Rectangle(&info->size),
SPA_FORMAT_VIDEO_framerate, SPA_POD_OPT_Fraction(&info->framerate),
SPA_FORMAT_VIDEO_maxFramerate, SPA_POD_OPT_Fraction(&info->max_framerate),
SPA_FORMAT_VIDEO_H264_streamFormat, SPA_POD_OPT_Id(&info->stream_format),
SPA_FORMAT_VIDEO_H264_alignment, SPA_POD_OPT_Id(&info->alignment));
}
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)
{
struct spa_pod_frame f;
spa_pod_builder_push_object(builder, &f, SPA_TYPE_OBJECT_Format, id);
spa_pod_builder_add(builder,
SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_video),
SPA_FORMAT_mediaSubtype, SPA_POD_Id(SPA_MEDIA_SUBTYPE_h264),
0);
if (info->size.width != 0 && info->size.height != 0)
spa_pod_builder_add(builder,
SPA_FORMAT_VIDEO_size, SPA_POD_Rectangle(&info->size), 0);
if (info->framerate.denom != 0)
spa_pod_builder_add(builder,
SPA_FORMAT_VIDEO_framerate, SPA_POD_Fraction(&info->framerate), 0);
if (info->max_framerate.denom != 0)
spa_pod_builder_add(builder,
SPA_FORMAT_VIDEO_maxFramerate, SPA_POD_Fraction(&info->max_framerate), 0);
if (info->stream_format != 0)
spa_pod_builder_add(builder,
SPA_FORMAT_VIDEO_H264_streamFormat, SPA_POD_Id(info->stream_format), 0);
if (info->alignment != 0)
spa_pod_builder_add(builder,
SPA_FORMAT_VIDEO_H264_alignment, SPA_POD_Id(info->alignment), 0);
return (struct spa_pod*)spa_pod_builder_pop(builder, &f);
}
/**
* \}
*/
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* SPA_VIDEO_H264_UTILS_H */