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image-source: Add slide_changed signal

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Allows a plugin or script to know when a slide has changed, and which
index/file it's switched to
This commit is contained in:
Jim 2023-03-20 11:31:21 -07:00
parent f96ae65d1b
commit 1ea5917973
1 changed files with 15 additions and 0 deletions
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15
plugins/image-source/obs-slideshow.c
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@ -94,6 +94,7 @@ struct slideshow {
uint32_t tr_speed;
const char *tr_name;
obs_source_t *transition;
calldata_t cd;
float elapsed;
size_t cur_item;
@ -280,6 +281,16 @@ static void do_transition(void *data, bool to_null)
set_media_state(ss, OBS_MEDIA_STATE_ENDED);
obs_source_media_ended(ss->source);
}
if (valid && !to_null) {
calldata_set_int(&ss->cd, "index", ss->cur_item);
calldata_set_string(&ss->cd, "path",
ss->files.array[ss->cur_item].path);
signal_handler_t *sh =
obs_source_get_signal_handler(ss->source);
signal_handler_signal(sh, "slide_changed", &ss->cd);
}
}
static void ss_update(void *data, obs_data_t *settings)
@ -661,6 +672,7 @@ static void ss_destroy(void *data)
obs_source_release(ss->transition);
free_files(&ss->files.da);
pthread_mutex_destroy(&ss->mutex);
calldata_free(&ss->cd);
bfree(ss);
}
@ -699,6 +711,9 @@ static void *ss_create(obs_data_t *settings, obs_source_t *source)
proc_handler_add(ph, "int current_index()", current_slide_proc, ss);
proc_handler_add(ph, "int total_files()", total_slides_proc, ss);
signal_handler_t *sh = obs_source_get_signal_handler(ss->source);
signal_handler_add(sh, "void slide_changed(int index, string path)");
pthread_mutex_init_value(&ss->mutex);
if (pthread_mutex_init(&ss->mutex, NULL) != 0)
goto error;