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https://gitlab.freedesktop.org/pipewire/pipewire.git
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format: make media types and properties dynamic
Use URI properties to dynamically register the media types/subtypes and property names. Add some helpers to set up the mappings.
This commit is contained in:
Wim Taymans
parent
ee470fc6c6
commit
3f5a3e215b
25 changed files with 769 additions and 685 deletions
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@ -26,107 +26,60 @@
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#include <spa/video/format.h>
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#include <spa/format-builder.h>
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#include <lib/props.h>
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typedef struct {
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uint32_t key;
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uint32_t type;
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off_t offset;
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} ParseInfo;
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static const ParseInfo raw_parse_info[] = {
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{ SPA_PROP_ID_VIDEO_INFO, SPA_POD_TYPE_BYTES, offsetof (SpaVideoInfo, info.raw) },
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{ SPA_PROP_ID_VIDEO_FORMAT, SPA_POD_TYPE_INT, offsetof (SpaVideoInfo, info.raw.format) },
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{ SPA_PROP_ID_VIDEO_SIZE, SPA_POD_TYPE_RECTANGLE, offsetof (SpaVideoInfo, info.raw.size) },
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{ SPA_PROP_ID_VIDEO_FRAMERATE, SPA_POD_TYPE_FRACTION, offsetof (SpaVideoInfo, info.raw.framerate) },
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{ SPA_PROP_ID_VIDEO_MAX_FRAMERATE, SPA_POD_TYPE_FRACTION, offsetof (SpaVideoInfo, info.raw.max_framerate) },
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{ SPA_PROP_ID_VIDEO_VIEWS, SPA_POD_TYPE_INT, offsetof (SpaVideoInfo, info.raw.views) },
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{ SPA_PROP_ID_VIDEO_INTERLACE_MODE, SPA_POD_TYPE_INT, offsetof (SpaVideoInfo, info.raw.interlace_mode) },
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{ SPA_PROP_ID_VIDEO_PIXEL_ASPECT_RATIO, SPA_POD_TYPE_FRACTION, offsetof (SpaVideoInfo, info.raw.pixel_aspect_ratio) },
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{ SPA_PROP_ID_VIDEO_MULTIVIEW_MODE, SPA_POD_TYPE_INT, offsetof (SpaVideoInfo, info.raw.multiview_mode) },
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{ SPA_PROP_ID_VIDEO_MULTIVIEW_FLAGS, SPA_POD_TYPE_INT, offsetof (SpaVideoInfo, info.raw.multiview_flags) },
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{ SPA_PROP_ID_VIDEO_CHROMA_SITE, SPA_POD_TYPE_INT, offsetof (SpaVideoInfo, info.raw.chroma_site) },
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{ SPA_PROP_ID_VIDEO_COLOR_RANGE, SPA_POD_TYPE_INT, offsetof (SpaVideoInfo, info.raw.color_range) },
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{ SPA_PROP_ID_VIDEO_COLOR_MATRIX, SPA_POD_TYPE_INT, offsetof (SpaVideoInfo, info.raw.color_matrix) },
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{ SPA_PROP_ID_VIDEO_TRANSFER_FUNCTION, SPA_POD_TYPE_INT, offsetof (SpaVideoInfo, info.raw.transfer_function) },
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{ SPA_PROP_ID_VIDEO_COLOR_PRIMARIES, SPA_POD_TYPE_INT, offsetof (SpaVideoInfo, info.raw.color_primaries) },
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{ 0, }
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};
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static const ParseInfo h264_parse_info[] = {
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{ SPA_PROP_ID_VIDEO_INFO, SPA_POD_TYPE_BYTES, offsetof (SpaVideoInfo, info.h264) },
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{ SPA_PROP_ID_VIDEO_SIZE, SPA_POD_TYPE_RECTANGLE, offsetof (SpaVideoInfo, info.h264.size) },
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{ SPA_PROP_ID_VIDEO_FRAMERATE, SPA_POD_TYPE_FRACTION, offsetof (SpaVideoInfo, info.h264.framerate) },
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{ SPA_PROP_ID_VIDEO_MAX_FRAMERATE, SPA_POD_TYPE_FRACTION, offsetof (SpaVideoInfo, info.h264.max_framerate) },
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{ 0, }
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};
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static const ParseInfo mjpg_parse_info[] = {
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{ SPA_PROP_ID_VIDEO_INFO, SPA_POD_TYPE_BYTES, offsetof (SpaVideoInfo, info.h264) },
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{ SPA_PROP_ID_VIDEO_SIZE, SPA_POD_TYPE_RECTANGLE, offsetof (SpaVideoInfo, info.h264.size) },
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{ SPA_PROP_ID_VIDEO_FRAMERATE, SPA_POD_TYPE_FRACTION, offsetof (SpaVideoInfo, info.h264.framerate) },
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{ SPA_PROP_ID_VIDEO_MAX_FRAMERATE, SPA_POD_TYPE_FRACTION, offsetof (SpaVideoInfo, info.h264.max_framerate) },
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{ 0, }
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};
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static const ParseInfo *
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parse_info_find (const ParseInfo *info, uint32_t key, uint32_t type)
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{
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while (info->key) {
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if (info->key == key && info->type == type)
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return info;
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info++;
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}
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return NULL;
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}
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#include <lib/mapper.h>
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SpaResult
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spa_format_video_parse (const SpaFormat *format,
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SpaVideoInfo *info)
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spa_format_video_parse (const SpaFormat *format,
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SpaVideoInfo *info)
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{
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SpaPODProp *prop;
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const ParseInfo *pinfo, *find;
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static SpaMediaTypes media_types = { 0, };
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static SpaMediaSubtypes media_subtypes = { 0, };
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static SpaMediaSubtypesVideo media_subtypes_video = { 0, };
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static SpaPropVideo prop_video = { 0, };
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if (format->body.media_type.value != SPA_MEDIA_TYPE_VIDEO)
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spa_media_types_fill (&media_types, spa_id_map_get_default ());
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spa_media_subtypes_map (spa_id_map_get_default (), &media_subtypes);
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spa_media_subtypes_video_map (spa_id_map_get_default (), &media_subtypes_video);
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spa_prop_video_map (spa_id_map_get_default (), &prop_video);
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if (format->body.media_type.value != media_types.video)
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return SPA_RESULT_INVALID_MEDIA_TYPE;
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info->media_type = format->body.media_type.value;
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info->media_subtype = format->body.media_subtype.value;
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switch (info->media_subtype) {
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case SPA_MEDIA_SUBTYPE_RAW:
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pinfo = raw_parse_info;
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break;
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case SPA_MEDIA_SUBTYPE_H264:
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pinfo = h264_parse_info;
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break;
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case SPA_MEDIA_SUBTYPE_MJPG:
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pinfo = mjpg_parse_info;
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break;
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case SPA_MEDIA_SUBTYPE_DV:
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case SPA_MEDIA_SUBTYPE_MPEGTS:
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case SPA_MEDIA_SUBTYPE_H263:
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case SPA_MEDIA_SUBTYPE_MPEG1:
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case SPA_MEDIA_SUBTYPE_MPEG2:
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case SPA_MEDIA_SUBTYPE_MPEG4:
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case SPA_MEDIA_SUBTYPE_XVID:
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case SPA_MEDIA_SUBTYPE_VC1:
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case SPA_MEDIA_SUBTYPE_VP8:
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case SPA_MEDIA_SUBTYPE_VP9:
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case SPA_MEDIA_SUBTYPE_JPEG:
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case SPA_MEDIA_SUBTYPE_BAYER:
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return SPA_RESULT_NOT_IMPLEMENTED;
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if (info->media_subtype == media_subtypes.raw)
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spa_format_query (format,
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prop_video.format, SPA_POD_TYPE_INT, &info->info.raw.format,
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prop_video.size, SPA_POD_TYPE_RECTANGLE, &info->info.raw.size,
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prop_video.framerate, SPA_POD_TYPE_FRACTION, &info->info.raw.framerate,
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prop_video.max_framerate, SPA_POD_TYPE_FRACTION, &info->info.raw.max_framerate,
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prop_video.views, SPA_POD_TYPE_INT, &info->info.raw.views,
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prop_video.interlace_mode, SPA_POD_TYPE_INT, &info->info.raw.interlace_mode,
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prop_video.pixel_aspect_ratio, SPA_POD_TYPE_FRACTION, &info->info.raw.pixel_aspect_ratio,
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prop_video.multiview_mode, SPA_POD_TYPE_INT, &info->info.raw.multiview_mode,
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prop_video.multiview_flags, SPA_POD_TYPE_INT, &info->info.raw.multiview_flags,
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prop_video.chroma_site, SPA_POD_TYPE_INT, &info->info.raw.chroma_site,
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prop_video.color_range, SPA_POD_TYPE_INT, &info->info.raw.color_range,
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prop_video.color_matrix, SPA_POD_TYPE_INT, &info->info.raw.color_matrix,
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prop_video.transfer_function, SPA_POD_TYPE_INT, &info->info.raw.transfer_function,
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prop_video.color_primaries, SPA_POD_TYPE_INT, &info->info.raw.color_primaries,
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0);
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else if (info->media_subtype == media_subtypes_video.h264)
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spa_format_query (format,
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prop_video.size, SPA_POD_TYPE_RECTANGLE, &info->info.h264.size,
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prop_video.framerate, SPA_POD_TYPE_FRACTION, &info->info.h264.framerate,
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prop_video.max_framerate, SPA_POD_TYPE_FRACTION, &info->info.h264.max_framerate,
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0);
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else if (info->media_subtype == media_subtypes_video.mjpg)
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spa_format_query (format,
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prop_video.size, SPA_POD_TYPE_RECTANGLE, &info->info.mjpg.size,
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prop_video.framerate, SPA_POD_TYPE_FRACTION, &info->info.mjpg.framerate,
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prop_video.max_framerate, SPA_POD_TYPE_FRACTION, &info->info.mjpg.max_framerate,
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0);
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else
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return SPA_RESULT_NOT_IMPLEMENTED;
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default:
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return SPA_RESULT_INVALID_ARGUMENTS;
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}
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SPA_FORMAT_FOREACH (format, prop) {
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if ((find = parse_info_find (pinfo, prop->body.key, prop->body.value.type))) {
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memcpy (SPA_MEMBER (info, find->offset, void),
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SPA_POD_BODY (&prop->body.value),
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SPA_POD_BODY_SIZE (&prop->body.value));
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}
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}
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return SPA_RESULT_OK;
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}
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