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934ab3036e
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63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/* Simple Plugin API */
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/* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
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/* SPDX-License-Identifier: MIT */
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#ifndef SPA_VIDEO_DSP_UTILS_H
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#define SPA_VIDEO_DSP_UTILS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \addtogroup spa_param
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* \{
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*/
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#include <spa/pod/parser.h>
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#include <spa/pod/builder.h>
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#include <spa/param/video/dsp.h>
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static inline int
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spa_format_video_dsp_parse(const struct spa_pod *format,
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struct spa_video_info_dsp *info)
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{
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info->flags = SPA_VIDEO_FLAG_NONE;
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if (spa_pod_find_prop (format, NULL, SPA_FORMAT_VIDEO_modifier)) {
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info->flags |= SPA_VIDEO_FLAG_MODIFIER;
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}
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return spa_pod_parse_object(format,
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SPA_TYPE_OBJECT_Format, NULL,
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SPA_FORMAT_VIDEO_format, SPA_POD_OPT_Id(&info->format),
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SPA_FORMAT_VIDEO_modifier, SPA_POD_OPT_Long(&info->modifier));
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}
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static inline struct spa_pod *
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spa_format_video_dsp_build(struct spa_pod_builder *builder, uint32_t id,
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struct spa_video_info_dsp *info)
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{
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struct spa_pod_frame f;
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spa_pod_builder_push_object(builder, &f, SPA_TYPE_OBJECT_Format, id);
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spa_pod_builder_add(builder,
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SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_video),
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SPA_FORMAT_mediaSubtype, SPA_POD_Id(SPA_MEDIA_SUBTYPE_dsp),
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0);
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if (info->format != SPA_VIDEO_FORMAT_UNKNOWN)
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spa_pod_builder_add(builder,
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SPA_FORMAT_VIDEO_format, SPA_POD_Id(info->format), 0);
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if (info->modifier != 0 || info->flags & SPA_VIDEO_FLAG_MODIFIER)
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spa_pod_builder_add(builder,
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SPA_FORMAT_VIDEO_modifier, SPA_POD_Long(info->modifier), 0);
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return (struct spa_pod*)spa_pod_builder_pop(builder, &f);
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}
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/**
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* \}
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*/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* SPA_VIDEO_DSP_UTILS_H */
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