mirror of
https://github.com/obsproject/obs-studio.git
synced 2024-07-18 17:19:14 +00:00
1205 lines
31 KiB
C
1205 lines
31 KiB
C
#include <obs-module.h>
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#include <util/deque.h>
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#include <util/threading.h>
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#include <util/platform.h>
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#include <util/darray.h>
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#include <util/dstr.h>
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#include <util/task.h>
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#include <inttypes.h>
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#define do_log(level, format, ...) \
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blog(level, "[slideshow: '%s'] " format, \
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obs_source_get_name(ss->source), ##__VA_ARGS__)
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#define warn(format, ...) do_log(LOG_WARNING, format, ##__VA_ARGS__)
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/* clang-format off */
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static const char *S_TR_SPEED = "transition_speed";
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static const char *S_CUSTOM_SIZE = "use_custom_size";
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static const char *S_SLIDE_TIME = "slide_time";
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static const char *S_TRANSITION = "transition";
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static const char *S_RANDOMIZE = "randomize";
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static const char *S_LOOP = "loop";
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static const char *S_HIDE = "hide";
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static const char *S_FILES = "files";
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static const char *S_BEHAVIOR = "playback_behavior";
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static const char *S_BEHAVIOR_STOP_RESTART = "stop_restart";
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static const char *S_BEHAVIOR_PAUSE_UNPAUSE = "pause_unpause";
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static const char *S_BEHAVIOR_ALWAYS_PLAY = "always_play";
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static const char *S_MODE = "slide_mode";
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static const char *S_MODE_AUTO = "mode_auto";
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static const char *S_MODE_MANUAL = "mode_manual";
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static const char *TR_CUT = "cut";
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static const char *TR_FADE = "fade";
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static const char *TR_SWIPE = "swipe";
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static const char *TR_SLIDE = "slide";
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#define T_(text) obs_module_text("SlideShow." text)
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#define T_TR_SPEED T_("TransitionSpeed")
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#define T_CUSTOM_SIZE T_("CustomSize")
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#define T_SLIDE_TIME T_("SlideTime")
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#define T_TRANSITION T_("Transition")
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#define T_RANDOMIZE T_("Randomize")
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#define T_LOOP T_("Loop")
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#define T_HIDE T_("HideWhenDone")
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#define T_FILES T_("Files")
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#define T_BEHAVIOR T_("PlaybackBehavior")
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#define T_BEHAVIOR_STOP_RESTART T_("PlaybackBehavior.StopRestart")
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#define T_BEHAVIOR_PAUSE_UNPAUSE T_("PlaybackBehavior.PauseUnpause")
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#define T_BEHAVIOR_ALWAYS_PLAY T_("PlaybackBehavior.AlwaysPlay")
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#define T_MODE T_("SlideMode")
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#define T_MODE_AUTO T_("SlideMode.Auto")
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#define T_MODE_MANUAL T_("SlideMode.Manual")
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#define T_TR_(text) obs_module_text("SlideShow.Transition." text)
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#define T_TR_CUT T_TR_("Cut")
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#define T_TR_FADE T_TR_("Fade")
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#define T_TR_SWIPE T_TR_("Swipe")
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#define T_TR_SLIDE T_TR_("Slide")
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/* clang-format on */
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extern void image_source_preload_image(void *data);
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/* ------------------------------------------------------------------------- */
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struct image_file_data {
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char *path;
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};
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struct source_data {
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size_t slide_idx;
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const char *path;
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obs_source_t *source;
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};
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typedef DARRAY(struct image_file_data) image_file_array_t;
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enum behavior {
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BEHAVIOR_STOP_RESTART,
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BEHAVIOR_PAUSE_UNPAUSE,
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BEHAVIOR_ALWAYS_PLAY,
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};
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#define SLIDE_BUFFER_COUNT 5
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struct active_slides {
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struct deque prev;
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struct deque next;
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struct source_data cur;
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};
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struct slideshow_data {
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struct active_slides slides;
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image_file_array_t files;
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float slide_time;
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uint32_t tr_speed;
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const char *tr_name;
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bool manual;
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bool randomize;
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bool loop;
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bool restart_on_activate;
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bool pause_on_deactivate;
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bool restart;
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bool hide;
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bool use_cut;
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bool paused;
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bool stop;
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calldata_t cd;
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float elapsed;
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enum behavior behavior;
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enum obs_media_state state;
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};
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struct slideshow {
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obs_source_t *source;
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struct slideshow_data data;
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os_task_queue_t *queue;
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obs_source_t *transition;
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uint32_t cx;
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uint32_t cy;
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obs_hotkey_id play_pause_hotkey;
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obs_hotkey_id restart_hotkey;
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obs_hotkey_id stop_hotkey;
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obs_hotkey_id next_hotkey;
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obs_hotkey_id prev_hotkey;
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};
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static void set_media_state(void *data, enum obs_media_state state)
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{
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struct slideshow *ss = data;
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ss->data.state = state;
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}
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static enum obs_media_state ss_get_state(void *data)
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{
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struct slideshow *ss = data;
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return ss->data.state;
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}
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static inline obs_source_t *get_transition(struct slideshow *ss)
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{
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return obs_source_get_ref(ss->transition);
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}
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static inline void free_source_data(struct source_data *sd)
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{
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obs_source_release(sd->source);
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}
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static void free_active_slides(struct active_slides *slides)
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{
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while (slides->prev.size) {
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struct source_data file;
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deque_pop_front(&slides->prev, &file, sizeof(file));
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free_source_data(&file);
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}
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while (slides->next.size) {
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struct source_data file;
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deque_pop_front(&slides->next, &file, sizeof(file));
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free_source_data(&file);
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}
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free_source_data(&slides->cur);
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deque_free(&slides->prev);
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deque_free(&slides->next);
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}
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static inline void free_slideshow_data(struct slideshow_data *ssd)
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{
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free_active_slides(&ssd->slides);
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for (size_t i = 0; i < ssd->files.num; i++)
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bfree(ssd->files.array[i].path);
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calldata_free(&ssd->cd);
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da_free(ssd->files);
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}
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static size_t random_file(struct slideshow_data *ssd, size_t slide_idx)
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{
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const size_t files = ssd->files.num;
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size_t next = slide_idx;
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if (ssd->files.num > 1) {
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while (next == slide_idx) {
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size_t threshold = (~files + 1) % files;
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size_t r;
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do {
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r = rand();
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} while (r < threshold);
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next = r % files;
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}
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}
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return next;
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}
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/* gets a new file idx based upon a prior index */
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static inline size_t get_new_file(struct slideshow_data *ssd, size_t slide_idx,
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bool next)
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{
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if (ssd->randomize) {
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return random_file(ssd, slide_idx);
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} else if (next) {
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return (++slide_idx >= ssd->files.num) ? 0 : slide_idx;
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} else {
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return (slide_idx == 0) ? ssd->files.num - 1 : slide_idx - 1;
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}
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}
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/* ------------------------------------------------------------------------- */
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static const char *ss_getname(void *unused)
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{
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UNUSED_PARAMETER(unused);
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return obs_module_text("SlideShow");
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}
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/* adds a new file to the files list. used only in update */
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static inline void add_file(image_file_array_t *new_files, const char *path)
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{
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struct image_file_data data;
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data.path = bstrdup(path);
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da_push_back(*new_files, &data);
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}
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extern bool valid_extension(const char *ext);
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/* transition to new source. assumes cur has already been set to new file */
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static void do_transition(void *data, bool to_null)
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{
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struct slideshow *ss = data;
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struct slideshow_data *ssd = &ss->data;
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bool valid = !!ss->data.files.num;
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if (valid && ssd->use_cut) {
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obs_transition_set(ss->transition, ssd->slides.cur.source);
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} else if (valid && !to_null) {
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obs_transition_start(ss->transition, OBS_TRANSITION_MODE_AUTO,
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ssd->tr_speed, ssd->slides.cur.source);
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} else {
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obs_transition_start(ss->transition, OBS_TRANSITION_MODE_AUTO,
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ssd->tr_speed, NULL);
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set_media_state(ss, OBS_MEDIA_STATE_ENDED);
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obs_source_media_ended(ss->source);
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}
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if (valid && !to_null) {
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calldata_set_int(&ssd->cd, "index", ssd->slides.cur.slide_idx);
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calldata_set_string(&ssd->cd, "path", ssd->slides.cur.path);
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signal_handler_t *sh =
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obs_source_get_signal_handler(ss->source);
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signal_handler_signal(sh, "slide_changed", &ssd->cd);
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}
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}
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/* get a source via its slide idx in one of slideshow_data's deques. *
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* only used in get_new_source(). */
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static inline struct source_data *deque_get_source(struct deque *buf,
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size_t slide_idx)
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{
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struct source_data *cur;
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size_t count = buf->size / sizeof(*cur);
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for (size_t i = 0; i < count; i++) {
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cur = deque_data(buf, i * sizeof(struct source_data));
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if (cur->slide_idx == slide_idx)
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return cur;
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}
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return NULL;
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}
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static void decode_image(void *data)
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{
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obs_weak_source_t *weak = data;
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obs_source_t *source = obs_weak_source_get_source(weak);
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if (source) {
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image_source_preload_image(obs_obj_get_data(source));
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obs_source_release(source);
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}
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obs_weak_source_release(weak);
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}
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/* creates source from a file path. only used in get_new_source(). */
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static inline obs_source_t *create_source_from_file(struct slideshow *ss,
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const char *file, bool now)
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{
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obs_data_t *settings = obs_data_create();
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obs_source_t *source;
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obs_data_set_string(settings, "file", file);
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obs_data_set_bool(settings, "unload", false);
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obs_data_set_bool(settings, "is_slide", !now);
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source = obs_source_create_private("image_source", NULL, settings);
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obs_data_release(settings);
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os_task_queue_queue_task(ss->queue, decode_image,
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obs_source_get_weak_source(source));
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return source;
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}
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/* searches the active slides for the same slide so we can reuse existing *
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* sources */
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static struct source_data *find_existing_source(struct active_slides *as,
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size_t slide_idx)
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{
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struct source_data *psd;
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if (as->cur.source && as->cur.slide_idx == slide_idx)
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return &as->cur;
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psd = deque_get_source(&as->prev, slide_idx);
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if (psd)
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return psd;
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psd = deque_get_source(&as->next, slide_idx);
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return psd;
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}
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/* get a new source_data structure and reuse existing sources if possible. *
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* use the 'new' parameter if you want to create a brand new list of *
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* active sources while still reusing the old list as well. */
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static struct source_data get_new_source(struct slideshow *ss,
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struct active_slides *new,
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size_t slide_idx)
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{
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struct slideshow_data *ssd = &ss->data;
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struct source_data *psd;
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struct source_data sd;
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/* ----------------------------------------------- */
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/* use existing source if we already have it */
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psd = find_existing_source(&ssd->slides, slide_idx);
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if (psd) {
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sd = *psd;
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sd.source = obs_source_get_ref(sd.source);
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if (sd.source) {
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return sd;
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}
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}
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if (new) {
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psd = find_existing_source(new, slide_idx);
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if (psd) {
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sd = *psd;
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sd.source = obs_source_get_ref(sd.source);
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if (sd.source) {
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return sd;
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}
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}
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}
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/* ----------------------------------------------- */
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/* and then create a new one if we don't */
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sd.path = ssd->files.array[slide_idx].path;
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sd.slide_idx = slide_idx;
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sd.source = create_source_from_file(ss, sd.path, false);
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return sd;
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}
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static void restart_slides(struct slideshow *ss)
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{
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struct slideshow_data *ssd = &ss->data;
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size_t start_idx = 0;
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if (ssd->randomize && ssd->files.num > 0) {
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start_idx = (size_t)rand() % ssd->files.num;
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}
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struct active_slides new_slides = {0};
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if (ssd->files.num) {
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struct source_data sd;
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size_t idx;
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new_slides.cur = get_new_source(ss, &new_slides, start_idx);
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idx = start_idx;
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for (size_t i = 0; i < SLIDE_BUFFER_COUNT; i++) {
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idx = get_new_file(ssd, idx, true);
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sd = get_new_source(ss, &new_slides, idx);
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deque_push_back(&new_slides.next, &sd, sizeof(sd));
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}
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idx = start_idx;
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for (size_t i = 0; i < SLIDE_BUFFER_COUNT; i++) {
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idx = get_new_file(ssd, idx, false);
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sd = get_new_source(ss, &new_slides, idx);
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deque_push_front(&new_slides.prev, &sd, sizeof(sd));
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}
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}
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free_active_slides(&ssd->slides);
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ssd->slides = new_slides;
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}
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static void ss_update(void *data, obs_data_t *settings)
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{
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struct slideshow *ss = data;
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struct slideshow_data new_data = {0};
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struct slideshow_data old_data = ss->data;
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obs_data_array_t *array;
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obs_source_t *new_tr = NULL;
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obs_source_t *old_tr = NULL;
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uint32_t new_duration;
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uint32_t cx = 0;
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uint32_t cy = 0;
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size_t count;
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const char *behavior;
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const char *tr_name;
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const char *mode;
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/* ------------------------------------- */
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/* get settings data */
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behavior = obs_data_get_string(settings, S_BEHAVIOR);
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if (astrcmpi(behavior, S_BEHAVIOR_PAUSE_UNPAUSE) == 0)
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new_data.behavior = BEHAVIOR_PAUSE_UNPAUSE;
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else if (astrcmpi(behavior, S_BEHAVIOR_ALWAYS_PLAY) == 0)
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new_data.behavior = BEHAVIOR_ALWAYS_PLAY;
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else /* S_BEHAVIOR_STOP_RESTART */
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new_data.behavior = BEHAVIOR_STOP_RESTART;
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mode = obs_data_get_string(settings, S_MODE);
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new_data.manual = (astrcmpi(mode, S_MODE_MANUAL) == 0);
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tr_name = obs_data_get_string(settings, S_TRANSITION);
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if (astrcmpi(tr_name, TR_CUT) == 0)
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tr_name = "cut_transition";
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else if (astrcmpi(tr_name, TR_SWIPE) == 0)
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tr_name = "swipe_transition";
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else if (astrcmpi(tr_name, TR_SLIDE) == 0)
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tr_name = "slide_transition";
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else
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tr_name = "fade_transition";
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new_data.randomize = obs_data_get_bool(settings, S_RANDOMIZE);
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new_data.loop = obs_data_get_bool(settings, S_LOOP);
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new_data.hide = obs_data_get_bool(settings, S_HIDE);
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if (!old_data.tr_name || strcmp(tr_name, old_data.tr_name) != 0)
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new_tr = obs_source_create_private(tr_name, NULL, NULL);
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new_duration = (uint32_t)obs_data_get_int(settings, S_SLIDE_TIME);
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new_data.tr_speed = (uint32_t)obs_data_get_int(settings, S_TR_SPEED);
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array = obs_data_get_array(settings, S_FILES);
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count = obs_data_array_count(array);
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if (strcmp(tr_name, "cut_transition") != 0) {
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if (new_duration < 100)
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new_duration = 100;
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new_duration += new_data.tr_speed;
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} else {
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if (new_duration < 50)
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new_duration = 50;
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}
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new_data.slide_time = (float)new_duration / 1000.0f;
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/* ------------------------------------- */
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/* create new list of sources */
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for (size_t i = 0; i < count; i++) {
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obs_data_t *item = obs_data_array_item(array, i);
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const char *path = obs_data_get_string(item, "value");
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os_dir_t *dir = os_opendir(path);
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if (!path || !*path) {
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obs_data_release(item);
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continue;
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}
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if (dir) {
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struct dstr dir_path = {0};
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struct os_dirent *ent;
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for (;;) {
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const char *ext;
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ent = os_readdir(dir);
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if (!ent)
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break;
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if (ent->directory)
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continue;
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ext = os_get_path_extension(ent->d_name);
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if (!valid_extension(ext))
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continue;
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|
|
|
dstr_copy(&dir_path, path);
|
|
dstr_cat_ch(&dir_path, '/');
|
|
dstr_cat(&dir_path, ent->d_name);
|
|
add_file(&new_data.files, dir_path.array);
|
|
}
|
|
|
|
dstr_free(&dir_path);
|
|
os_closedir(dir);
|
|
} else {
|
|
add_file(&new_data.files, path);
|
|
}
|
|
|
|
obs_data_release(item);
|
|
}
|
|
|
|
/* ------------------------------------- */
|
|
/* get new size */
|
|
|
|
const char *res_str = obs_data_get_string(settings, S_CUSTOM_SIZE);
|
|
bool valid = false;
|
|
|
|
int ret = sscanf(res_str, "%" PRIu32 "x%" PRIu32, &cx, &cy);
|
|
if (ret == 2) {
|
|
valid = true;
|
|
} else {
|
|
cx = 0;
|
|
cy = 0;
|
|
}
|
|
|
|
/* ------------------------------------- */
|
|
/* update settings data */
|
|
|
|
ss->data = new_data;
|
|
if (new_tr) {
|
|
old_tr = ss->transition;
|
|
ss->transition = new_tr;
|
|
}
|
|
|
|
/* ------------------------------------- */
|
|
/* clean up */
|
|
|
|
if (old_tr)
|
|
obs_source_release(old_tr);
|
|
free_slideshow_data(&old_data);
|
|
|
|
/* ------------------------------------- */
|
|
/* update files */
|
|
|
|
restart_slides(ss);
|
|
|
|
/* ------------------------------------- */
|
|
/* restart transition */
|
|
|
|
ss->cx = cx;
|
|
ss->cy = cy;
|
|
obs_transition_set_size(ss->transition, cx, cy);
|
|
obs_transition_set_alignment(ss->transition, OBS_ALIGN_CENTER);
|
|
obs_transition_set_scale_type(ss->transition,
|
|
OBS_TRANSITION_SCALE_ASPECT);
|
|
|
|
if (new_tr)
|
|
obs_source_add_active_child(ss->source, new_tr);
|
|
if (ss->data.files.num) {
|
|
do_transition(ss, false);
|
|
|
|
if (ss->data.manual)
|
|
set_media_state(ss, OBS_MEDIA_STATE_PAUSED);
|
|
else
|
|
set_media_state(ss, OBS_MEDIA_STATE_PLAYING);
|
|
|
|
obs_source_media_started(ss->source);
|
|
}
|
|
|
|
obs_data_array_release(array);
|
|
}
|
|
|
|
static void ss_play_pause(void *data, bool pause)
|
|
{
|
|
struct slideshow *ss = data;
|
|
|
|
if (ss->data.stop) {
|
|
ss->data.stop = false;
|
|
ss->data.paused = false;
|
|
do_transition(ss, false);
|
|
} else {
|
|
ss->data.paused = pause;
|
|
ss->data.manual = pause;
|
|
}
|
|
|
|
if (pause)
|
|
set_media_state(ss, OBS_MEDIA_STATE_PAUSED);
|
|
else
|
|
set_media_state(ss, OBS_MEDIA_STATE_PLAYING);
|
|
}
|
|
|
|
static void ss_restart(void *data)
|
|
{
|
|
struct slideshow *ss = data;
|
|
|
|
restart_slides(ss);
|
|
ss->data.elapsed = 0.0f;
|
|
ss->data.stop = false;
|
|
ss->data.paused = false;
|
|
do_transition(ss, false);
|
|
|
|
set_media_state(ss, OBS_MEDIA_STATE_PLAYING);
|
|
}
|
|
|
|
static void ss_stop(void *data)
|
|
{
|
|
struct slideshow *ss = data;
|
|
|
|
restart_slides(ss);
|
|
ss->data.elapsed = 0.0f;
|
|
ss->data.stop = true;
|
|
ss->data.paused = false;
|
|
do_transition(ss, true);
|
|
|
|
set_media_state(ss, OBS_MEDIA_STATE_STOPPED);
|
|
}
|
|
|
|
static void ss_next_slide(void *data)
|
|
{
|
|
struct slideshow *ss = data;
|
|
struct slideshow_data *ssd = &ss->data;
|
|
struct active_slides *slides = &ssd->slides;
|
|
struct source_data sd;
|
|
|
|
if (!ssd->files.num || obs_transition_get_time(ss->transition) < 1.0f)
|
|
return;
|
|
|
|
struct source_data *last = deque_data(
|
|
&slides->next, (SLIDE_BUFFER_COUNT - 1) * sizeof(sd));
|
|
|
|
size_t slide_idx = last->slide_idx;
|
|
if (ss->data.randomize)
|
|
slide_idx = random_file(&ss->data, slide_idx);
|
|
else if (++slide_idx >= ssd->files.num)
|
|
slide_idx = 0;
|
|
|
|
sd = get_new_source(ss, NULL, slide_idx);
|
|
deque_push_back(&slides->next, &sd, sizeof(sd));
|
|
deque_push_back(&slides->prev, &slides->cur, sizeof(sd));
|
|
deque_pop_front(&slides->next, &slides->cur, sizeof(sd));
|
|
deque_pop_front(&slides->prev, &sd, sizeof(sd));
|
|
free_source_data(&sd);
|
|
|
|
do_transition(ss, false);
|
|
}
|
|
|
|
static void ss_previous_slide(void *data)
|
|
{
|
|
struct slideshow *ss = data;
|
|
struct slideshow_data *ssd = &ss->data;
|
|
struct active_slides *slides = &ssd->slides;
|
|
struct source_data sd;
|
|
|
|
if (!ssd->files.num || obs_transition_get_time(ss->transition) < 1.0f)
|
|
return;
|
|
|
|
struct source_data *first = deque_data(&slides->prev, 0);
|
|
|
|
size_t slide_idx = first->slide_idx;
|
|
if (ss->data.randomize)
|
|
slide_idx = random_file(&ss->data, slide_idx);
|
|
else if (slide_idx == 0)
|
|
slide_idx = ss->data.files.num - 1;
|
|
else
|
|
--slide_idx;
|
|
|
|
sd = get_new_source(ss, NULL, slide_idx);
|
|
deque_push_front(&slides->prev, &sd, sizeof(sd));
|
|
deque_push_front(&slides->next, &slides->cur, sizeof(sd));
|
|
deque_pop_back(&slides->prev, &slides->cur, sizeof(sd));
|
|
deque_pop_back(&slides->next, &sd, sizeof(sd));
|
|
free_source_data(&sd);
|
|
|
|
do_transition(ss, false);
|
|
}
|
|
|
|
static void play_pause_hotkey(void *data, obs_hotkey_id id,
|
|
obs_hotkey_t *hotkey, bool pressed)
|
|
{
|
|
UNUSED_PARAMETER(id);
|
|
UNUSED_PARAMETER(hotkey);
|
|
|
|
struct slideshow *ss = data;
|
|
|
|
if (pressed && obs_source_showing(ss->source))
|
|
obs_source_media_play_pause(ss->source, !ss->data.paused);
|
|
}
|
|
|
|
static void restart_hotkey(void *data, obs_hotkey_id id, obs_hotkey_t *hotkey,
|
|
bool pressed)
|
|
{
|
|
UNUSED_PARAMETER(id);
|
|
UNUSED_PARAMETER(hotkey);
|
|
|
|
struct slideshow *ss = data;
|
|
|
|
if (pressed && obs_source_showing(ss->source))
|
|
obs_source_media_restart(ss->source);
|
|
}
|
|
|
|
static void stop_hotkey(void *data, obs_hotkey_id id, obs_hotkey_t *hotkey,
|
|
bool pressed)
|
|
{
|
|
UNUSED_PARAMETER(id);
|
|
UNUSED_PARAMETER(hotkey);
|
|
|
|
struct slideshow *ss = data;
|
|
|
|
if (pressed && obs_source_showing(ss->source))
|
|
obs_source_media_stop(ss->source);
|
|
}
|
|
|
|
static void next_slide_hotkey(void *data, obs_hotkey_id id,
|
|
obs_hotkey_t *hotkey, bool pressed)
|
|
{
|
|
UNUSED_PARAMETER(id);
|
|
UNUSED_PARAMETER(hotkey);
|
|
|
|
struct slideshow *ss = data;
|
|
|
|
if (!ss->data.manual)
|
|
return;
|
|
|
|
if (pressed && obs_source_showing(ss->source))
|
|
obs_source_media_next(ss->source);
|
|
}
|
|
|
|
static void previous_slide_hotkey(void *data, obs_hotkey_id id,
|
|
obs_hotkey_t *hotkey, bool pressed)
|
|
{
|
|
UNUSED_PARAMETER(id);
|
|
UNUSED_PARAMETER(hotkey);
|
|
|
|
struct slideshow *ss = data;
|
|
|
|
if (!ss->data.manual)
|
|
return;
|
|
|
|
if (pressed && obs_source_showing(ss->source))
|
|
obs_source_media_previous(ss->source);
|
|
}
|
|
|
|
static void current_slide_proc(void *data, calldata_t *cd)
|
|
{
|
|
struct slideshow *ss = data;
|
|
calldata_set_int(cd, "current_index", ss->data.slides.cur.slide_idx);
|
|
}
|
|
|
|
static void total_slides_proc(void *data, calldata_t *cd)
|
|
{
|
|
struct slideshow *ss = data;
|
|
calldata_set_int(cd, "total_files", ss->data.files.num);
|
|
}
|
|
|
|
static void ss_destroy(void *data)
|
|
{
|
|
struct slideshow *ss = data;
|
|
|
|
os_task_queue_destroy(ss->queue);
|
|
obs_source_release(ss->transition);
|
|
free_slideshow_data(&ss->data);
|
|
bfree(ss);
|
|
}
|
|
|
|
static void *ss_create(obs_data_t *settings, obs_source_t *source)
|
|
{
|
|
struct slideshow *ss = bzalloc(sizeof(*ss));
|
|
proc_handler_t *ph = obs_source_get_proc_handler(source);
|
|
|
|
ss->source = source;
|
|
|
|
ss->data.manual = false;
|
|
ss->data.paused = false;
|
|
ss->data.stop = false;
|
|
|
|
ss->queue = os_task_queue_create();
|
|
|
|
ss->play_pause_hotkey = obs_hotkey_register_source(
|
|
source, "SlideShow.PlayPause",
|
|
obs_module_text("SlideShow.PlayPause"), play_pause_hotkey, ss);
|
|
|
|
ss->restart_hotkey = obs_hotkey_register_source(
|
|
source, "SlideShow.Restart",
|
|
obs_module_text("SlideShow.Restart"), restart_hotkey, ss);
|
|
|
|
ss->stop_hotkey = obs_hotkey_register_source(
|
|
source, "SlideShow.Stop", obs_module_text("SlideShow.Stop"),
|
|
stop_hotkey, ss);
|
|
|
|
ss->next_hotkey = obs_hotkey_register_source(
|
|
source, "SlideShow.NextSlide",
|
|
obs_module_text("SlideShow.NextSlide"), next_slide_hotkey, ss);
|
|
|
|
ss->prev_hotkey = obs_hotkey_register_source(
|
|
source, "SlideShow.PreviousSlide",
|
|
obs_module_text("SlideShow.PreviousSlide"),
|
|
previous_slide_hotkey, ss);
|
|
|
|
proc_handler_add(ph, "void current_index(out int current_index)",
|
|
current_slide_proc, ss);
|
|
proc_handler_add(ph, "void total_files(out 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)");
|
|
|
|
obs_source_update(source, NULL);
|
|
|
|
UNUSED_PARAMETER(settings);
|
|
return ss;
|
|
}
|
|
|
|
static void ss_video_render(void *data, gs_effect_t *effect)
|
|
{
|
|
struct slideshow *ss = data;
|
|
obs_source_t *transition = get_transition(ss);
|
|
|
|
if (transition) {
|
|
obs_source_video_render(transition);
|
|
obs_source_release(transition);
|
|
}
|
|
|
|
UNUSED_PARAMETER(effect);
|
|
}
|
|
|
|
static void ss_video_tick(void *data, float seconds)
|
|
{
|
|
struct slideshow *ss = data;
|
|
struct slideshow_data *ssd = &ss->data;
|
|
|
|
if (!ss->transition || !ssd->slide_time)
|
|
return;
|
|
|
|
if (ssd->restart_on_activate && ssd->use_cut) {
|
|
ssd->elapsed = 0.0f;
|
|
restart_slides(ss);
|
|
do_transition(ss, false);
|
|
ssd->restart_on_activate = false;
|
|
ssd->use_cut = false;
|
|
ssd->stop = false;
|
|
return;
|
|
}
|
|
|
|
if (ssd->pause_on_deactivate || ssd->manual || ssd->stop || ssd->paused)
|
|
return;
|
|
|
|
/* ----------------------------------------------------- */
|
|
/* fade to transparency when the file list becomes empty */
|
|
if (!ssd->files.num) {
|
|
obs_source_t *active_transition_source =
|
|
obs_transition_get_active_source(ss->transition);
|
|
|
|
if (active_transition_source) {
|
|
obs_source_release(active_transition_source);
|
|
do_transition(ss, true);
|
|
}
|
|
}
|
|
|
|
/* ----------------------------------------------------- */
|
|
/* do transition when slide time reached */
|
|
ssd->elapsed += seconds;
|
|
|
|
if (ssd->elapsed > ssd->slide_time) {
|
|
ssd->elapsed -= ssd->slide_time;
|
|
|
|
if (!ssd->loop &&
|
|
ssd->slides.cur.slide_idx == ssd->files.num - 1) {
|
|
if (ssd->hide)
|
|
do_transition(ss, true);
|
|
else
|
|
do_transition(ss, false);
|
|
|
|
return;
|
|
}
|
|
|
|
obs_source_media_next(ss->source);
|
|
}
|
|
}
|
|
|
|
static inline bool ss_audio_render_(obs_source_t *transition, uint64_t *ts_out,
|
|
struct obs_source_audio_mix *audio_output,
|
|
uint32_t mixers, size_t channels,
|
|
size_t sample_rate)
|
|
{
|
|
struct obs_source_audio_mix child_audio;
|
|
uint64_t source_ts;
|
|
|
|
if (obs_source_audio_pending(transition))
|
|
return false;
|
|
|
|
source_ts = obs_source_get_audio_timestamp(transition);
|
|
if (!source_ts)
|
|
return false;
|
|
|
|
obs_source_get_audio_mix(transition, &child_audio);
|
|
for (size_t mix = 0; mix < MAX_AUDIO_MIXES; mix++) {
|
|
if ((mixers & (1 << mix)) == 0)
|
|
continue;
|
|
|
|
for (size_t ch = 0; ch < channels; ch++) {
|
|
float *out = audio_output->output[mix].data[ch];
|
|
float *in = child_audio.output[mix].data[ch];
|
|
|
|
memcpy(out, in, AUDIO_OUTPUT_FRAMES * sizeof(float));
|
|
}
|
|
}
|
|
|
|
*ts_out = source_ts;
|
|
|
|
UNUSED_PARAMETER(sample_rate);
|
|
return true;
|
|
}
|
|
|
|
static bool ss_audio_render(void *data, uint64_t *ts_out,
|
|
struct obs_source_audio_mix *audio_output,
|
|
uint32_t mixers, size_t channels,
|
|
size_t sample_rate)
|
|
{
|
|
struct slideshow *ss = data;
|
|
obs_source_t *transition = get_transition(ss);
|
|
bool success;
|
|
|
|
if (!transition)
|
|
return false;
|
|
|
|
success = ss_audio_render_(transition, ts_out, audio_output, mixers,
|
|
channels, sample_rate);
|
|
|
|
obs_source_release(transition);
|
|
return success;
|
|
}
|
|
|
|
static void ss_enum_sources(void *data, obs_source_enum_proc_t cb, void *param)
|
|
{
|
|
struct slideshow *ss = data;
|
|
|
|
if (ss->transition)
|
|
cb(ss->source, ss->transition, param);
|
|
}
|
|
|
|
static uint32_t ss_width(void *data)
|
|
{
|
|
struct slideshow *ss = data;
|
|
return ss->transition ? ss->cx : 0;
|
|
}
|
|
|
|
static uint32_t ss_height(void *data)
|
|
{
|
|
struct slideshow *ss = data;
|
|
return ss->transition ? ss->cy : 0;
|
|
}
|
|
|
|
static void ss_defaults(obs_data_t *settings)
|
|
{
|
|
obs_data_set_default_string(settings, S_TRANSITION, "fade");
|
|
obs_data_set_default_int(settings, S_SLIDE_TIME, 2000); //8000);
|
|
obs_data_set_default_int(settings, S_TR_SPEED, 700);
|
|
obs_data_set_default_string(settings, S_CUSTOM_SIZE, "1920x1080");
|
|
obs_data_set_default_string(settings, S_BEHAVIOR,
|
|
S_BEHAVIOR_ALWAYS_PLAY);
|
|
obs_data_set_default_string(settings, S_MODE, S_MODE_AUTO);
|
|
obs_data_set_default_bool(settings, S_LOOP, true);
|
|
}
|
|
|
|
static const char *file_filter = "Image files (*.bmp *.tga *.png *.jpeg *.jpg"
|
|
#ifdef _WIN32
|
|
" *.jxr"
|
|
#endif
|
|
" *.gif *.webp)";
|
|
|
|
static obs_properties_t *ss_properties(void *data)
|
|
{
|
|
obs_properties_t *ppts = obs_properties_create();
|
|
struct slideshow *ss = data;
|
|
struct obs_video_info ovi;
|
|
struct dstr path = {0};
|
|
obs_property_t *p;
|
|
int cx;
|
|
int cy;
|
|
|
|
/* ----------------- */
|
|
|
|
obs_get_video_info(&ovi);
|
|
cx = (int)ovi.base_width;
|
|
cy = (int)ovi.base_height;
|
|
|
|
/* ----------------- */
|
|
|
|
p = obs_properties_add_list(ppts, S_BEHAVIOR, T_BEHAVIOR,
|
|
OBS_COMBO_TYPE_LIST,
|
|
OBS_COMBO_FORMAT_STRING);
|
|
obs_property_list_add_string(p, T_BEHAVIOR_ALWAYS_PLAY,
|
|
S_BEHAVIOR_ALWAYS_PLAY);
|
|
obs_property_list_add_string(p, T_BEHAVIOR_STOP_RESTART,
|
|
S_BEHAVIOR_STOP_RESTART);
|
|
obs_property_list_add_string(p, T_BEHAVIOR_PAUSE_UNPAUSE,
|
|
S_BEHAVIOR_PAUSE_UNPAUSE);
|
|
|
|
p = obs_properties_add_list(ppts, S_MODE, T_MODE, OBS_COMBO_TYPE_LIST,
|
|
OBS_COMBO_FORMAT_STRING);
|
|
obs_property_list_add_string(p, T_MODE_AUTO, S_MODE_AUTO);
|
|
obs_property_list_add_string(p, T_MODE_MANUAL, S_MODE_MANUAL);
|
|
|
|
p = obs_properties_add_list(ppts, S_TRANSITION, T_TRANSITION,
|
|
OBS_COMBO_TYPE_LIST,
|
|
OBS_COMBO_FORMAT_STRING);
|
|
obs_property_list_add_string(p, T_TR_CUT, TR_CUT);
|
|
obs_property_list_add_string(p, T_TR_FADE, TR_FADE);
|
|
obs_property_list_add_string(p, T_TR_SWIPE, TR_SWIPE);
|
|
obs_property_list_add_string(p, T_TR_SLIDE, TR_SLIDE);
|
|
|
|
p = obs_properties_add_int(ppts, S_SLIDE_TIME, T_SLIDE_TIME, 50,
|
|
3600000, 50);
|
|
obs_property_int_set_suffix(p, " ms");
|
|
|
|
p = obs_properties_add_int(ppts, S_TR_SPEED, T_TR_SPEED, 0, 3600000,
|
|
50);
|
|
obs_property_int_set_suffix(p, " ms");
|
|
|
|
obs_properties_add_bool(ppts, S_LOOP, T_LOOP);
|
|
obs_properties_add_bool(ppts, S_HIDE, T_HIDE);
|
|
obs_properties_add_bool(ppts, S_RANDOMIZE, T_RANDOMIZE);
|
|
|
|
p = obs_properties_add_list(ppts, S_CUSTOM_SIZE, T_CUSTOM_SIZE,
|
|
OBS_COMBO_TYPE_EDITABLE,
|
|
OBS_COMBO_FORMAT_STRING);
|
|
|
|
char str[32];
|
|
snprintf(str, sizeof(str), "%dx%d", cx, cy);
|
|
obs_property_list_add_string(p, str, str);
|
|
|
|
if (ss) {
|
|
if (ss->data.files.num) {
|
|
struct image_file_data *last = da_end(ss->data.files);
|
|
const char *slash;
|
|
|
|
dstr_copy(&path, last->path);
|
|
dstr_replace(&path, "\\", "/");
|
|
slash = strrchr(path.array, '/');
|
|
if (slash)
|
|
dstr_resize(&path, slash - path.array + 1);
|
|
}
|
|
}
|
|
|
|
obs_properties_add_editable_list(ppts, S_FILES, T_FILES,
|
|
OBS_EDITABLE_LIST_TYPE_FILES,
|
|
file_filter, path.array);
|
|
dstr_free(&path);
|
|
|
|
return ppts;
|
|
}
|
|
|
|
static void ss_activate(void *data)
|
|
{
|
|
struct slideshow *ss = data;
|
|
|
|
if (ss->data.behavior == BEHAVIOR_STOP_RESTART) {
|
|
ss->data.restart_on_activate = true;
|
|
ss->data.use_cut = true;
|
|
set_media_state(ss, OBS_MEDIA_STATE_PLAYING);
|
|
} else if (ss->data.behavior == BEHAVIOR_PAUSE_UNPAUSE) {
|
|
ss->data.pause_on_deactivate = false;
|
|
set_media_state(ss, OBS_MEDIA_STATE_PLAYING);
|
|
}
|
|
}
|
|
|
|
static void ss_deactivate(void *data)
|
|
{
|
|
struct slideshow *ss = data;
|
|
|
|
if (ss->data.behavior == BEHAVIOR_PAUSE_UNPAUSE) {
|
|
ss->data.pause_on_deactivate = true;
|
|
set_media_state(ss, OBS_MEDIA_STATE_PAUSED);
|
|
}
|
|
}
|
|
|
|
static void missing_file_callback(void *src, const char *new_path, void *data)
|
|
{
|
|
struct slideshow *s = src;
|
|
const char *orig_path = data;
|
|
|
|
obs_source_t *source = s->source;
|
|
obs_data_t *settings = obs_source_get_settings(source);
|
|
obs_data_array_t *files = obs_data_get_array(settings, S_FILES);
|
|
|
|
size_t l = obs_data_array_count(files);
|
|
for (size_t i = 0; i < l; i++) {
|
|
obs_data_t *file = obs_data_array_item(files, i);
|
|
const char *path = obs_data_get_string(file, "value");
|
|
|
|
if (strcmp(path, orig_path) == 0) {
|
|
if (new_path && *new_path)
|
|
obs_data_set_string(file, "value", new_path);
|
|
else
|
|
obs_data_array_erase(files, i);
|
|
|
|
obs_data_release(file);
|
|
break;
|
|
}
|
|
|
|
obs_data_release(file);
|
|
}
|
|
|
|
obs_source_update(source, settings);
|
|
|
|
obs_data_array_release(files);
|
|
obs_data_release(settings);
|
|
}
|
|
|
|
static obs_missing_files_t *ss_missingfiles(void *data)
|
|
{
|
|
struct slideshow *s = data;
|
|
obs_missing_files_t *missing_files = obs_missing_files_create();
|
|
|
|
obs_source_t *source = s->source;
|
|
obs_data_t *settings = obs_source_get_settings(source);
|
|
obs_data_array_t *files = obs_data_get_array(settings, S_FILES);
|
|
|
|
size_t l = obs_data_array_count(files);
|
|
for (size_t i = 0; i < l; i++) {
|
|
obs_data_t *item = obs_data_array_item(files, i);
|
|
const char *path = obs_data_get_string(item, "value");
|
|
|
|
if (*path != 0) {
|
|
if (!os_file_exists(path)) {
|
|
obs_missing_file_t *file =
|
|
obs_missing_file_create(
|
|
path, missing_file_callback,
|
|
OBS_MISSING_FILE_SOURCE, source,
|
|
(void *)path);
|
|
|
|
obs_missing_files_add_file(missing_files, file);
|
|
}
|
|
}
|
|
|
|
obs_data_release(item);
|
|
}
|
|
|
|
obs_data_array_release(files);
|
|
obs_data_release(settings);
|
|
|
|
return missing_files;
|
|
}
|
|
|
|
static enum gs_color_space
|
|
ss_video_get_color_space(void *data, size_t count,
|
|
const enum gs_color_space *preferred_spaces)
|
|
{
|
|
enum gs_color_space space = GS_CS_SRGB;
|
|
|
|
struct slideshow *ss = data;
|
|
obs_source_t *transition = get_transition(ss);
|
|
if (transition) {
|
|
space = obs_source_get_color_space(transition, count,
|
|
preferred_spaces);
|
|
obs_source_release(transition);
|
|
}
|
|
|
|
return space;
|
|
}
|
|
|
|
struct obs_source_info slideshow_info_mk2 = {
|
|
.id = "slideshow",
|
|
.version = 2,
|
|
.type = OBS_SOURCE_TYPE_INPUT,
|
|
.output_flags = OBS_SOURCE_VIDEO | OBS_SOURCE_CUSTOM_DRAW |
|
|
OBS_SOURCE_COMPOSITE | OBS_SOURCE_CONTROLLABLE_MEDIA,
|
|
.get_name = ss_getname,
|
|
.create = ss_create,
|
|
.destroy = ss_destroy,
|
|
.update = ss_update,
|
|
.activate = ss_activate,
|
|
.deactivate = ss_deactivate,
|
|
.video_render = ss_video_render,
|
|
.video_tick = ss_video_tick,
|
|
.audio_render = ss_audio_render,
|
|
.enum_active_sources = ss_enum_sources,
|
|
.get_width = ss_width,
|
|
.get_height = ss_height,
|
|
.get_defaults = ss_defaults,
|
|
.get_properties = ss_properties,
|
|
.missing_files = ss_missingfiles,
|
|
.icon_type = OBS_ICON_TYPE_SLIDESHOW,
|
|
.media_play_pause = ss_play_pause,
|
|
.media_restart = ss_restart,
|
|
.media_stop = ss_stop,
|
|
.media_next = ss_next_slide,
|
|
.media_previous = ss_previous_slide,
|
|
.media_get_state = ss_get_state,
|
|
.video_get_color_space = ss_video_get_color_space,
|
|
};
|