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/* Simple Plugin API */
/* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
/* SPDX-License-Identifier: MIT */
#ifndef SPA_VIDEO_DSP_UTILS_H
#define SPA_VIDEO_DSP_UTILS_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* \addtogroup spa_param
* \{
*/
#include <spa/pod/parser.h>
#include <spa/pod/builder.h>
#include <spa/param/video/dsp.h>
#ifndef SPA_API_VIDEO_DSP_UTILS
#ifdef SPA_API_IMPL
#define SPA_API_VIDEO_DSP_UTILS SPA_API_IMPL
#else
#define SPA_API_VIDEO_DSP_UTILS static inline
#endif
#endif
SPA_API_VIDEO_DSP_UTILS int
spa_format_video_dsp_parse(const struct spa_pod *format,
struct spa_video_info_dsp *info)
{
info->flags = SPA_VIDEO_FLAG_NONE;
const struct spa_pod_prop *mod_prop;
if ((mod_prop = spa_pod_find_prop (format, NULL, SPA_FORMAT_VIDEO_modifier)) != NULL) {
info->flags |= SPA_VIDEO_FLAG_MODIFIER;
if ((mod_prop->flags & SPA_POD_PROP_FLAG_DONT_FIXATE) == SPA_POD_PROP_FLAG_DONT_FIXATE)
info->flags |= SPA_VIDEO_FLAG_MODIFIER_FIXATION_REQUIRED;
}
return spa_pod_parse_object(format,
SPA_TYPE_OBJECT_Format, NULL,
SPA_FORMAT_VIDEO_format, SPA_POD_OPT_Id(&info->format),
SPA_FORMAT_VIDEO_modifier, SPA_POD_OPT_Long(&info->modifier));
}
SPA_API_VIDEO_DSP_UTILS struct spa_pod *
spa_format_video_dsp_build(struct spa_pod_builder *builder, uint32_t id,
const struct spa_video_info_dsp *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_dsp),
0);
if (info->format != SPA_VIDEO_FORMAT_UNKNOWN)
spa_pod_builder_add(builder,
SPA_FORMAT_VIDEO_format, SPA_POD_Id(info->format), 0);
if (info->modifier != 0 || info->flags & SPA_VIDEO_FLAG_MODIFIER) {
spa_pod_builder_prop(builder,
SPA_FORMAT_VIDEO_modifier, SPA_POD_PROP_FLAG_MANDATORY);
spa_pod_builder_long(builder, info->modifier);
}
return (struct spa_pod*)spa_pod_builder_pop(builder, &f);
}
/**
* \}
*/
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* SPA_VIDEO_DSP_UTILS_H */