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format: make media types and properties dynamic

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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 2017-03-21 11:28:23 +01:00
parent ee470fc6c6
commit 3f5a3e215b
25 changed files with 769 additions and 685 deletions
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62
spa/plugins/v4l2/v4l2-source.c
View file

@ -65,6 +65,10 @@ struct _V4l2Buffer {
typedef struct {
uint32_t node;
uint32_t clock;
SpaMediaTypes media_types;
SpaMediaSubtypes media_subtypes;
SpaMediaSubtypesVideo media_subtypes_video;
SpaPropVideo prop_video;
} URI;
typedef struct {
@ -112,9 +116,9 @@ struct _SpaV4l2Source {
SpaNode node;
SpaClock clock;
URI uri;
SpaIDMap *map;
SpaLog *log;
URI uri;
uint32_t seq;
@ -573,38 +577,28 @@ spa_v4l2_source_node_port_get_format (SpaNode *node,
state->current_format.media_type,
state->current_format.media_subtype);
switch (state->current_format.media_subtype) {
case SPA_MEDIA_SUBTYPE_RAW:
spa_pod_builder_add (&b,
PROP (&f[1], SPA_PROP_ID_VIDEO_FORMAT, SPA_POD_TYPE_INT, state->current_format.info.raw.format),
PROP (&f[1], SPA_PROP_ID_VIDEO_SIZE, -SPA_POD_TYPE_RECTANGLE, &state->current_format.info.raw.size),
PROP (&f[1], SPA_PROP_ID_VIDEO_FRAMERATE, -SPA_POD_TYPE_FRACTION, &state->current_format.info.raw.framerate),
0);
break;
case SPA_MEDIA_SUBTYPE_MJPG:
case SPA_MEDIA_SUBTYPE_JPEG:
spa_pod_builder_add (&b,
PROP (&f[1], SPA_PROP_ID_VIDEO_SIZE, -SPA_POD_TYPE_RECTANGLE, &state->current_format.info.mjpg.size),
PROP (&f[1], SPA_PROP_ID_VIDEO_FRAMERATE, -SPA_POD_TYPE_FRACTION, &state->current_format.info.mjpg.framerate),
0);
break;
case SPA_MEDIA_SUBTYPE_H264:
spa_pod_builder_add (&b,
PROP (&f[1], SPA_PROP_ID_VIDEO_SIZE, -SPA_POD_TYPE_RECTANGLE, &state->current_format.info.h264.size),
PROP (&f[1], SPA_PROP_ID_VIDEO_FRAMERATE, -SPA_POD_TYPE_FRACTION, &state->current_format.info.h264.framerate),
0);
break;
case SPA_MEDIA_SUBTYPE_DV:
case SPA_MEDIA_SUBTYPE_MPEGTS:
case SPA_MEDIA_SUBTYPE_MPEG1:
case SPA_MEDIA_SUBTYPE_MPEG2:
case SPA_MEDIA_SUBTYPE_MPEG4:
case SPA_MEDIA_SUBTYPE_XVID:
case SPA_MEDIA_SUBTYPE_VC1:
case SPA_MEDIA_SUBTYPE_VP8:
default:
return SPA_RESULT_NO_FORMAT;
if (state->current_format.media_subtype == this->uri.media_subtypes.raw) {
spa_pod_builder_add (&b,
PROP (&f[1], this->uri.prop_video.format, SPA_POD_TYPE_INT, state->current_format.info.raw.format),
PROP (&f[1], this->uri.prop_video.size, -SPA_POD_TYPE_RECTANGLE, &state->current_format.info.raw.size),
PROP (&f[1], this->uri.prop_video.framerate, -SPA_POD_TYPE_FRACTION, &state->current_format.info.raw.framerate),
0);
}
else if (state->current_format.media_subtype == this->uri.media_subtypes_video.mjpg ||
state->current_format.media_subtype == this->uri.media_subtypes_video.jpeg) {
spa_pod_builder_add (&b,
PROP (&f[1], this->uri.prop_video.size, -SPA_POD_TYPE_RECTANGLE, &state->current_format.info.mjpg.size),
PROP (&f[1], this->uri.prop_video.framerate, -SPA_POD_TYPE_FRACTION, &state->current_format.info.mjpg.framerate),
0);
}
else if (state->current_format.media_subtype == this->uri.media_subtypes_video.h264) {
spa_pod_builder_add (&b,
PROP (&f[1], this->uri.prop_video.size, -SPA_POD_TYPE_RECTANGLE, &state->current_format.info.h264.size),
PROP (&f[1], this->uri.prop_video.framerate, -SPA_POD_TYPE_FRACTION, &state->current_format.info.h264.framerate),
0);
} else
return SPA_RESULT_NO_FORMAT;
spa_pod_builder_pop (&b, &f[0]);
*format = SPA_POD_BUILDER_DEREF (&b, f[0].ref, SpaFormat);
@ -974,6 +968,10 @@ v4l2_source_init (const SpaHandleFactory *factory,
}
this->uri.node = spa_id_map_get_id (this->map, SPA_NODE_URI);
this->uri.clock = spa_id_map_get_id (this->map, SPA_CLOCK_URI);
spa_media_types_fill (&this->uri.media_types, this->map);
spa_media_subtypes_map (this->map, &this->uri.media_subtypes);
spa_media_subtypes_video_map (this->map, &this->uri.media_subtypes_video);
spa_prop_video_map (this->map, &this->uri.prop_video);
this->node = v4l2source_node;
this->clock = v4l2source_clock;