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120 lines
4.6 KiB
C
120 lines
4.6 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_RAW_UTILS_H
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#define SPA_VIDEO_RAW_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/raw.h>
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static inline int
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spa_format_video_raw_parse(const struct spa_pod *format,
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struct spa_video_info_raw *info)
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{
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info->flags = SPA_VIDEO_FLAG_NONE;
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const struct spa_pod_prop *mod_prop;
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if ((mod_prop = spa_pod_find_prop (format, NULL, SPA_FORMAT_VIDEO_modifier)) != NULL) {
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info->flags |= SPA_VIDEO_FLAG_MODIFIER;
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if ((mod_prop->flags & SPA_POD_PROP_FLAG_DONT_FIXATE) == SPA_POD_PROP_FLAG_DONT_FIXATE)
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info->flags |= SPA_VIDEO_FLAG_MODIFIER_FIXATION_REQUIRED;
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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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SPA_FORMAT_VIDEO_size, SPA_POD_OPT_Rectangle(&info->size),
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SPA_FORMAT_VIDEO_framerate, SPA_POD_OPT_Fraction(&info->framerate),
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SPA_FORMAT_VIDEO_maxFramerate, SPA_POD_OPT_Fraction(&info->max_framerate),
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SPA_FORMAT_VIDEO_views, SPA_POD_OPT_Int(&info->views),
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SPA_FORMAT_VIDEO_interlaceMode, SPA_POD_OPT_Id(&info->interlace_mode),
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SPA_FORMAT_VIDEO_pixelAspectRatio, SPA_POD_OPT_Fraction(&info->pixel_aspect_ratio),
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SPA_FORMAT_VIDEO_multiviewMode, SPA_POD_OPT_Id(&info->multiview_mode),
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SPA_FORMAT_VIDEO_multiviewFlags, SPA_POD_OPT_Id(&info->multiview_flags),
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SPA_FORMAT_VIDEO_chromaSite, SPA_POD_OPT_Id(&info->chroma_site),
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SPA_FORMAT_VIDEO_colorRange, SPA_POD_OPT_Id(&info->color_range),
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SPA_FORMAT_VIDEO_colorMatrix, SPA_POD_OPT_Id(&info->color_matrix),
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SPA_FORMAT_VIDEO_transferFunction, SPA_POD_OPT_Id(&info->transfer_function),
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SPA_FORMAT_VIDEO_colorPrimaries, SPA_POD_OPT_Id(&info->color_primaries));
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}
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static inline struct spa_pod *
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spa_format_video_raw_build(struct spa_pod_builder *builder, uint32_t id,
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const struct spa_video_info_raw *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_raw),
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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->size.width != 0 && info->size.height != 0)
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spa_pod_builder_add(builder,
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SPA_FORMAT_VIDEO_size, SPA_POD_Rectangle(&info->size), 0);
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if (info->framerate.denom != 0)
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spa_pod_builder_add(builder,
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SPA_FORMAT_VIDEO_framerate, SPA_POD_Fraction(&info->framerate), 0);
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if (info->modifier != 0 || info->flags & SPA_VIDEO_FLAG_MODIFIER) {
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spa_pod_builder_prop(builder,
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SPA_FORMAT_VIDEO_modifier, SPA_POD_PROP_FLAG_MANDATORY);
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spa_pod_builder_long(builder, info->modifier);
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}
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if (info->max_framerate.denom != 0)
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spa_pod_builder_add(builder,
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SPA_FORMAT_VIDEO_maxFramerate, SPA_POD_Fraction(&info->max_framerate), 0);
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if (info->views != 0)
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spa_pod_builder_add(builder,
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SPA_FORMAT_VIDEO_views, SPA_POD_Int(info->views), 0);
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if (info->interlace_mode != 0)
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spa_pod_builder_add(builder,
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SPA_FORMAT_VIDEO_interlaceMode, SPA_POD_Id(info->interlace_mode), 0);
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if (info->pixel_aspect_ratio.denom != 0)
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spa_pod_builder_add(builder,
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SPA_FORMAT_VIDEO_pixelAspectRatio, SPA_POD_Fraction(&info->pixel_aspect_ratio), 0);
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if (info->multiview_mode != 0)
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spa_pod_builder_add(builder,
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SPA_FORMAT_VIDEO_multiviewMode, SPA_POD_Id(info->multiview_mode), 0);
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if (info->multiview_flags != 0)
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spa_pod_builder_add(builder,
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SPA_FORMAT_VIDEO_multiviewFlags,SPA_POD_Id(info->multiview_flags), 0);
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if (info->chroma_site != 0)
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spa_pod_builder_add(builder,
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SPA_FORMAT_VIDEO_chromaSite, SPA_POD_Id(info->chroma_site), 0);
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if (info->color_range != 0)
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spa_pod_builder_add(builder,
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SPA_FORMAT_VIDEO_colorRange, SPA_POD_Id(info->color_range), 0);
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if (info->color_matrix != 0)
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spa_pod_builder_add(builder,
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SPA_FORMAT_VIDEO_colorMatrix, SPA_POD_Id(info->color_matrix), 0);
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if (info->transfer_function != 0)
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spa_pod_builder_add(builder,
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SPA_FORMAT_VIDEO_transferFunction,SPA_POD_Id(info->transfer_function), 0);
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if (info->color_primaries != 0)
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spa_pod_builder_add(builder,
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SPA_FORMAT_VIDEO_colorPrimaries,SPA_POD_Id(info->color_primaries), 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_RAW_UTILS_H */
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