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meta: add video damage region metadata

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Add damage region meta
Implement damage region in video-src and export-sink
This commit is contained in:
Wim Taymans 2018-07-09 12:07:30 +02:00
parent c98fbfe0a9
commit f49ab32874
5 changed files with 100 additions and 31 deletions
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37
src/examples/export-sink.c
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@ -399,13 +399,24 @@ static int impl_port_enum_params(struct spa_node *node,
":", t->param_buffers.align, "i", 16);
}
else if (id == t->param.idMeta) {
if (*index != 0)
switch (*index) {
case 0:
param = spa_pod_builder_object(builder,
id, t->param_meta.Meta,
":", t->param_meta.type, "I", t->meta.Header,
":", t->param_meta.size, "i", sizeof(struct spa_meta_header));
break;
case 1:
param = spa_pod_builder_object(builder,
id, t->param_meta.Meta,
":", t->param_meta.type, "I", t->meta.VideoDamage,
":", t->param_meta.size, "iru", sizeof(struct spa_meta_region),
SPA_POD_PROP_MIN_MAX(1 * sizeof(struct spa_meta_region),
16 * sizeof(struct spa_meta_region)));
break;
default:
return 0;
param = spa_pod_builder_object(builder,
id, t->param_meta.Meta,
":", t->param_meta.type, "I", t->meta.Header,
":", t->param_meta.size, "i", sizeof(struct spa_meta_header));
}
}
else if (id == t->param_io.idPropsOut) {
struct props *p = &d->props;
@ -495,12 +506,15 @@ static int do_render(struct spa_loop *loop, bool async, uint32_t seq,
const void *_data, size_t size, void *user_data)
{
struct data *d = user_data;
struct pw_type *t = d->t;
const struct spa_buffer *buf = *(struct spa_buffer**)_data;
uint8_t *map;
void *sdata, *ddata;
int sstride, dstride, ostride;
uint32_t i;
uint8_t *src, *dst;
struct spa_meta *m;
struct spa_meta_region *r;
handle_events(d);
@ -519,6 +533,17 @@ static int do_render(struct spa_loop *loop, bool async, uint32_t seq,
fprintf(stderr, "Couldn't lock texture: %s\n", SDL_GetError());
return -EIO;
}
if ((m = spa_buffer_find_meta(buf, t->meta.VideoDamage))) {
spa_meta_region_for_each(r, m) {
if (!spa_meta_region_is_valid(r))
break;
fprintf(stderr, "region %dx%d->%dx%d\n",
r->region.position.x, r->region.position.y,
r->region.size.width, r->region.size.height);
}
}
sstride = buf->datas[0].chunk->stride;
ostride = SPA_MIN(sstride, dstride);