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61 lines
2 KiB
C
61 lines
2 KiB
C
/* Simple Plugin API
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* Copyright (C) 2016 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <stdint.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <string.h>
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#include <spa/format-builder.h>
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#include <spa/video/format-utils.h>
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#include <lib/props.h>
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#include <lib/mapper.h>
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int
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spa_format_filter(const struct spa_format *format,
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const struct spa_format *filter,
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struct spa_pod_builder *result)
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{
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struct spa_pod_frame f;
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int res;
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if (format == NULL || result == NULL)
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return SPA_RESULT_INVALID_ARGUMENTS;
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if (filter == NULL) {
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spa_pod_builder_raw_padded(result, format, SPA_POD_SIZE(format));
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return SPA_RESULT_OK;
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}
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if (SPA_FORMAT_MEDIA_TYPE(filter) != SPA_FORMAT_MEDIA_TYPE(format) ||
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SPA_FORMAT_MEDIA_SUBTYPE(filter) != SPA_FORMAT_MEDIA_SUBTYPE(format))
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return SPA_RESULT_INVALID_MEDIA_TYPE;
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spa_pod_builder_push_format(result, &f, filter->body.obj_body.type,
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SPA_FORMAT_MEDIA_TYPE(filter),
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SPA_FORMAT_MEDIA_SUBTYPE(filter));
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res = spa_props_filter(result,
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SPA_POD_CONTENTS(struct spa_format, format),
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SPA_POD_CONTENTS_SIZE(struct spa_format, format),
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SPA_POD_CONTENTS(struct spa_format, filter),
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SPA_POD_CONTENTS_SIZE(struct spa_format, filter));
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spa_pod_builder_pop(result, &f);
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return res;
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}
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