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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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25
src/examples/video-src.c
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@ -76,6 +76,7 @@ static void on_timeout(void *userdata, uint64_t expirations)
int i, j;
uint8_t *p, *map;
struct spa_meta_header *h;
struct spa_meta *m;
pw_log_trace("timeout");
@ -102,7 +103,7 @@ static void on_timeout(void *userdata, uint64_t expirations)
} else
return;
if ((h = spa_buffer_find_meta(buf, data->t->meta.Header))) {
if ((h = spa_buffer_find_meta_data(buf, data->t->meta.Header, sizeof(*h)))) {
#if 0
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
@ -114,6 +115,17 @@ static void on_timeout(void *userdata, uint64_t expirations)
h->seq = data->seq++;
h->dts_offset = 0;
}
if ((m = spa_buffer_find_meta(buf, data->t->meta.VideoDamage))) {
struct spa_meta_region *r = spa_meta_first(m);
if (spa_meta_check(r, m)) {
r->region.position = SPA_POINT(0,0);
r->region.size = data->format.size;
r++;
}
if (spa_meta_check(r, m))
r->region = SPA_REGION(0,0,0,0);
}
for (i = 0; i < data->format.size.height; i++) {
for (j = 0; j < data->format.size.width * BPP; j++) {
@ -167,7 +179,7 @@ on_stream_format_changed(void *_data, const struct spa_pod *format)
struct pw_type *t = data->t;
uint8_t params_buffer[1024];
struct spa_pod_builder b = SPA_POD_BUILDER_INIT(params_buffer, sizeof(params_buffer));
const struct spa_pod *params[2];
const struct spa_pod *params[3];
if (format == NULL) {
pw_stream_finish_format(stream, 0, NULL, 0);
@ -190,7 +202,14 @@ on_stream_format_changed(void *_data, const struct spa_pod *format)
":", t->param_meta.type, "I", t->meta.Header,
":", t->param_meta.size, "i", sizeof(struct spa_meta_header));
pw_stream_finish_format(stream, 0, params, 2);
params[2] = spa_pod_builder_object(&b,
t->param.idMeta, t->param_meta.Meta,
":", t->param_meta.type, "I", t->meta.VideoDamage,
":", t->param_meta.size, "iru", sizeof(struct spa_meta_region) * 16,
SPA_POD_PROP_MIN_MAX(sizeof(struct spa_meta_region) * 1,
sizeof(struct spa_meta_region) * 16));
pw_stream_finish_format(stream, 0, params, 3);
}
static const struct pw_stream_events stream_events = {