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- #include <obs-module.h>
- #include <util/threading.h>
- #include <util/platform.h>
- #include <util/darray.h>
- #include <util/dstr.h>
- #define do_log(level, format, ...) \
- blog(level, "[slideshow: '%s'] " format, obs_source_get_name(ss->source), ##__VA_ARGS__)
- #define warn(format, ...) do_log(LOG_WARNING, format, ##__VA_ARGS__)
- /* clang-format off */
- #define S_TR_SPEED "transition_speed"
- #define S_CUSTOM_SIZE "use_custom_size"
- #define S_SLIDE_TIME "slide_time"
- #define S_TRANSITION "transition"
- #define S_RANDOMIZE "randomize"
- #define S_LOOP "loop"
- #define S_HIDE "hide"
- #define S_FILES "files"
- #define S_BEHAVIOR "playback_behavior"
- #define S_BEHAVIOR_STOP_RESTART "stop_restart"
- #define S_BEHAVIOR_PAUSE_UNPAUSE "pause_unpause"
- #define S_BEHAVIOR_ALWAYS_PLAY "always_play"
- #define S_MODE "slide_mode"
- #define S_MODE_AUTO "mode_auto"
- #define S_MODE_MANUAL "mode_manual"
- #define TR_CUT "cut"
- #define TR_FADE "fade"
- #define TR_SWIPE "swipe"
- #define TR_SLIDE "slide"
- #define T_(text) obs_module_text("SlideShow." text)
- #define T_TR_SPEED T_("TransitionSpeed")
- #define T_CUSTOM_SIZE T_("CustomSize")
- #define T_CUSTOM_SIZE_AUTO T_("CustomSize.Auto")
- #define T_SLIDE_TIME T_("SlideTime")
- #define T_TRANSITION T_("Transition")
- #define T_RANDOMIZE T_("Randomize")
- #define T_LOOP T_("Loop")
- #define T_HIDE T_("HideWhenDone")
- #define T_FILES T_("Files")
- #define T_BEHAVIOR T_("PlaybackBehavior")
- #define T_BEHAVIOR_STOP_RESTART T_("PlaybackBehavior.StopRestart")
- #define T_BEHAVIOR_PAUSE_UNPAUSE T_("PlaybackBehavior.PauseUnpause")
- #define T_BEHAVIOR_ALWAYS_PLAY T_("PlaybackBehavior.AlwaysPlay")
- #define T_MODE T_("SlideMode")
- #define T_MODE_AUTO T_("SlideMode.Auto")
- #define T_MODE_MANUAL T_("SlideMode.Manual")
- #define T_TR_(text) obs_module_text("SlideShow.Transition." text)
- #define T_TR_CUT T_TR_("Cut")
- #define T_TR_FADE T_TR_("Fade")
- #define T_TR_SWIPE T_TR_("Swipe")
- #define T_TR_SLIDE T_TR_("Slide")
- /* clang-format on */
- /* ------------------------------------------------------------------------- */
- extern uint64_t image_source_get_memory_usage(void *data);
- #define BYTES_TO_MBYTES (1024 * 1024)
- #define MAX_MEM_USAGE (400 * BYTES_TO_MBYTES)
- struct image_file_data {
- char *path;
- obs_source_t *source;
- };
- typedef DARRAY(struct image_file_data) image_file_array_t;
- enum behavior {
- BEHAVIOR_STOP_RESTART,
- BEHAVIOR_PAUSE_UNPAUSE,
- BEHAVIOR_ALWAYS_PLAY,
- };
- struct slideshow {
- obs_source_t *source;
- bool randomize;
- bool loop;
- bool restart_on_activate;
- bool pause_on_deactivate;
- bool restart;
- bool manual;
- bool hide;
- bool use_cut;
- bool paused;
- bool stop;
- float slide_time;
- uint32_t tr_speed;
- const char *tr_name;
- obs_source_t *transition;
- calldata_t cd;
- float elapsed;
- size_t cur_item;
- uint32_t cx;
- uint32_t cy;
- uint64_t mem_usage;
- pthread_mutex_t mutex;
- image_file_array_t files;
- enum behavior behavior;
- obs_hotkey_id play_pause_hotkey;
- obs_hotkey_id restart_hotkey;
- obs_hotkey_id stop_hotkey;
- obs_hotkey_id next_hotkey;
- obs_hotkey_id prev_hotkey;
- enum obs_media_state state;
- };
- static void set_media_state(void *data, enum obs_media_state state)
- {
- struct slideshow *ss = data;
- ss->state = state;
- }
- static enum obs_media_state ss_get_state(void *data)
- {
- struct slideshow *ss = data;
- return ss->state;
- }
- static obs_source_t *get_transition(struct slideshow *ss)
- {
- obs_source_t *tr;
- pthread_mutex_lock(&ss->mutex);
- tr = obs_source_get_ref(ss->transition);
- pthread_mutex_unlock(&ss->mutex);
- return tr;
- }
- static obs_source_t *get_source(image_file_array_t *files, const char *path)
- {
- obs_source_t *source = NULL;
- for (size_t i = 0; i < files->num; i++) {
- const char *cur_path = files->array[i].path;
- if (strcmp(path, cur_path) == 0) {
- source = obs_source_get_ref(files->array[i].source);
- break;
- }
- }
- return source;
- }
- static obs_source_t *create_source_from_file(const char *file)
- {
- obs_data_t *settings = obs_data_create();
- obs_source_t *source;
- obs_data_set_string(settings, "file", file);
- obs_data_set_bool(settings, "unload", false);
- source = obs_source_create_private("image_source", NULL, settings);
- obs_data_release(settings);
- return source;
- }
- static void free_files(image_file_array_t *files)
- {
- for (size_t i = 0; i < files->num; i++) {
- bfree(files->array[i].path);
- obs_source_release(files->array[i].source);
- }
- da_free(*files);
- }
- static inline size_t random_file(struct slideshow *ss)
- {
- size_t next = ss->cur_item;
- if (ss->files.num > 1) {
- while (next == ss->cur_item)
- next = (size_t)rand() % ss->files.num;
- }
- return next;
- }
- /* ------------------------------------------------------------------------- */
- static const char *ss_getname(void *unused)
- {
- UNUSED_PARAMETER(unused);
- return obs_module_text("SlideShow");
- }
- static void add_file(struct slideshow *ss, image_file_array_t *new_files, const char *path, uint32_t *cx, uint32_t *cy)
- {
- struct image_file_data data;
- obs_source_t *new_source;
- pthread_mutex_lock(&ss->mutex);
- new_source = get_source(&ss->files, path);
- pthread_mutex_unlock(&ss->mutex);
- if (!new_source)
- new_source = get_source(new_files, path);
- if (!new_source)
- new_source = create_source_from_file(path);
- if (new_source) {
- uint32_t new_cx = obs_source_get_width(new_source);
- uint32_t new_cy = obs_source_get_height(new_source);
- data.path = bstrdup(path);
- data.source = new_source;
- da_push_back(*new_files, &data);
- if (new_cx > *cx)
- *cx = new_cx;
- if (new_cy > *cy)
- *cy = new_cy;
- void *source_data = obs_obj_get_data(new_source);
- ss->mem_usage += image_source_get_memory_usage(source_data);
- }
- }
- bool valid_extension(const char *ext)
- {
- if (!ext)
- return false;
- return astrcmpi(ext, ".bmp") == 0 || astrcmpi(ext, ".tga") == 0 || astrcmpi(ext, ".png") == 0 ||
- astrcmpi(ext, ".jpeg") == 0 || astrcmpi(ext, ".jpg") == 0 ||
- #ifdef _WIN32
- astrcmpi(ext, ".jxr") == 0 ||
- #endif
- astrcmpi(ext, ".gif") == 0;
- }
- static inline bool item_valid(struct slideshow *ss)
- {
- return ss->files.num && ss->cur_item < ss->files.num;
- }
- static void do_transition(void *data, bool to_null)
- {
- struct slideshow *ss = data;
- bool valid = item_valid(ss);
- if (valid && ss->use_cut) {
- obs_transition_set(ss->transition, ss->files.array[ss->cur_item].source);
- } else if (valid && !to_null) {
- obs_transition_start(ss->transition, OBS_TRANSITION_MODE_AUTO, ss->tr_speed,
- ss->files.array[ss->cur_item].source);
- } else {
- obs_transition_start(ss->transition, OBS_TRANSITION_MODE_AUTO, ss->tr_speed, 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)
- {
- image_file_array_t new_files;
- image_file_array_t old_files;
- obs_source_t *new_tr = NULL;
- obs_source_t *old_tr = NULL;
- struct slideshow *ss = data;
- obs_data_array_t *array;
- const char *tr_name;
- uint32_t new_duration;
- uint32_t new_speed;
- uint32_t cx = 0;
- uint32_t cy = 0;
- size_t count;
- const char *behavior;
- const char *mode;
- /* ------------------------------------- */
- /* get settings data */
- da_init(new_files);
- behavior = obs_data_get_string(settings, S_BEHAVIOR);
- if (astrcmpi(behavior, S_BEHAVIOR_PAUSE_UNPAUSE) == 0)
- ss->behavior = BEHAVIOR_PAUSE_UNPAUSE;
- else if (astrcmpi(behavior, S_BEHAVIOR_ALWAYS_PLAY) == 0)
- ss->behavior = BEHAVIOR_ALWAYS_PLAY;
- else /* S_BEHAVIOR_STOP_RESTART */
- ss->behavior = BEHAVIOR_STOP_RESTART;
- mode = obs_data_get_string(settings, S_MODE);
- ss->manual = (astrcmpi(mode, S_MODE_MANUAL) == 0);
- tr_name = obs_data_get_string(settings, S_TRANSITION);
- if (astrcmpi(tr_name, TR_CUT) == 0)
- tr_name = "cut_transition";
- else if (astrcmpi(tr_name, TR_SWIPE) == 0)
- tr_name = "swipe_transition";
- else if (astrcmpi(tr_name, TR_SLIDE) == 0)
- tr_name = "slide_transition";
- else
- tr_name = "fade_transition";
- ss->randomize = obs_data_get_bool(settings, S_RANDOMIZE);
- ss->loop = obs_data_get_bool(settings, S_LOOP);
- ss->hide = obs_data_get_bool(settings, S_HIDE);
- if (!ss->tr_name || strcmp(tr_name, ss->tr_name) != 0)
- new_tr = obs_source_create_private(tr_name, NULL, NULL);
- new_duration = (uint32_t)obs_data_get_int(settings, S_SLIDE_TIME);
- new_speed = (uint32_t)obs_data_get_int(settings, S_TR_SPEED);
- array = obs_data_get_array(settings, S_FILES);
- count = obs_data_array_count(array);
- /* ------------------------------------- */
- /* create new list of sources */
- ss->mem_usage = 0;
- for (size_t i = 0; i < count; i++) {
- obs_data_t *item = obs_data_array_item(array, i);
- const char *path = obs_data_get_string(item, "value");
- os_dir_t *dir = os_opendir(path);
- if (!path || !*path) {
- obs_data_release(item);
- continue;
- }
- if (dir) {
- struct dstr dir_path = {0};
- struct os_dirent *ent;
- for (;;) {
- const char *ext;
- ent = os_readdir(dir);
- if (!ent)
- break;
- if (ent->directory)
- continue;
- ext = os_get_path_extension(ent->d_name);
- if (!valid_extension(ext))
- continue;
- dstr_copy(&dir_path, path);
- dstr_cat_ch(&dir_path, '/');
- dstr_cat(&dir_path, ent->d_name);
- add_file(ss, &new_files, dir_path.array, &cx, &cy);
- if (ss->mem_usage >= MAX_MEM_USAGE)
- break;
- }
- dstr_free(&dir_path);
- os_closedir(dir);
- } else {
- add_file(ss, &new_files, path, &cx, &cy);
- }
- obs_data_release(item);
- if (ss->mem_usage >= MAX_MEM_USAGE)
- break;
- }
- /* ------------------------------------- */
- /* update settings data */
- pthread_mutex_lock(&ss->mutex);
- old_files = ss->files;
- ss->files = new_files;
- if (new_tr) {
- old_tr = ss->transition;
- ss->transition = new_tr;
- }
- if (strcmp(tr_name, "cut_transition") != 0) {
- if (new_duration < 100)
- new_duration = 100;
- new_duration += new_speed;
- } else {
- if (new_duration < 50)
- new_duration = 50;
- }
- ss->tr_speed = new_speed;
- ss->tr_name = tr_name;
- ss->slide_time = (float)new_duration / 1000.0f;
- pthread_mutex_unlock(&ss->mutex);
- /* ------------------------------------- */
- /* clean up and restart transition */
- if (old_tr)
- obs_source_release(old_tr);
- free_files(&old_files);
- /* ------------------------- */
- const char *res_str = obs_data_get_string(settings, S_CUSTOM_SIZE);
- bool aspect_only = false, use_auto = true;
- int cx_in = 0, cy_in = 0;
- if (strcmp(res_str, T_CUSTOM_SIZE_AUTO) != 0) {
- int ret = sscanf(res_str, "%dx%d", &cx_in, &cy_in);
- if (ret == 2) {
- aspect_only = false;
- use_auto = false;
- } else {
- ret = sscanf(res_str, "%d:%d", &cx_in, &cy_in);
- if (ret == 2) {
- aspect_only = true;
- use_auto = false;
- }
- }
- }
- if (!use_auto) {
- double cx_f = (double)cx;
- double cy_f = (double)cy;
- double old_aspect = cx_f / cy_f;
- double new_aspect = (double)cx_in / (double)cy_in;
- if (aspect_only) {
- if (fabs(old_aspect - new_aspect) > EPSILON) {
- if (new_aspect > old_aspect)
- cx = (uint32_t)(cy_f * new_aspect);
- else
- cy = (uint32_t)(cx_f / new_aspect);
- }
- } else {
- cx = (uint32_t)cx_in;
- cy = (uint32_t)cy_in;
- }
- }
- /* ------------------------- */
- ss->cx = cx;
- ss->cy = cy;
- ss->cur_item = 0;
- ss->elapsed = 0.0f;
- 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 (ss->randomize && ss->files.num)
- ss->cur_item = random_file(ss);
- if (new_tr)
- obs_source_add_active_child(ss->source, new_tr);
- if (ss->files.num) {
- do_transition(ss, false);
- if (ss->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->stop) {
- ss->stop = false;
- ss->paused = false;
- do_transition(ss, false);
- } else {
- ss->paused = pause;
- ss->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;
- ss->elapsed = 0.0f;
- ss->cur_item = 0;
- ss->stop = false;
- ss->paused = false;
- do_transition(ss, false);
- set_media_state(ss, OBS_MEDIA_STATE_PLAYING);
- }
- static void ss_stop(void *data)
- {
- struct slideshow *ss = data;
- ss->elapsed = 0.0f;
- ss->cur_item = 0;
- do_transition(ss, true);
- ss->stop = true;
- ss->paused = false;
- set_media_state(ss, OBS_MEDIA_STATE_STOPPED);
- }
- static void ss_next_slide(void *data)
- {
- struct slideshow *ss = data;
- if (!ss->files.num || obs_transition_get_time(ss->transition) < 1.0f)
- return;
- if (ss->randomize)
- ss->cur_item = random_file(ss);
- else if (++ss->cur_item >= ss->files.num)
- ss->cur_item = 0;
- do_transition(ss, false);
- }
- static void ss_previous_slide(void *data)
- {
- struct slideshow *ss = data;
- if (!ss->files.num || obs_transition_get_time(ss->transition) < 1.0f)
- return;
- if (ss->randomize)
- ss->cur_item = random_file(ss);
- else if (ss->cur_item == 0)
- ss->cur_item = ss->files.num - 1;
- else
- --ss->cur_item;
- 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->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->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->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->cur_item);
- }
- static void total_slides_proc(void *data, calldata_t *cd)
- {
- struct slideshow *ss = data;
- calldata_set_int(cd, "total_files", ss->files.num);
- }
- static void ss_destroy(void *data)
- {
- struct slideshow *ss = data;
- obs_source_release(ss->transition);
- free_files(&ss->files);
- pthread_mutex_destroy(&ss->mutex);
- calldata_free(&ss->cd);
- 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->manual = false;
- ss->paused = false;
- ss->stop = false;
- 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)");
- pthread_mutex_init_value(&ss->mutex);
- if (pthread_mutex_init(&ss->mutex, NULL) != 0)
- goto error;
- obs_source_update(source, NULL);
- UNUSED_PARAMETER(settings);
- return ss;
- error:
- ss_destroy(ss);
- return NULL;
- }
- 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;
- pthread_mutex_lock(&ss->mutex);
- if (!ss->transition || !ss->slide_time)
- goto finish;
- if (ss->restart_on_activate && ss->use_cut) {
- ss->elapsed = 0.0f;
- ss->cur_item = ss->randomize ? random_file(ss) : 0;
- do_transition(ss, false);
- ss->restart_on_activate = false;
- ss->use_cut = false;
- ss->stop = false;
- goto finish;
- }
- if (ss->pause_on_deactivate || ss->manual || ss->stop || ss->paused)
- goto finish;
- /* ----------------------------------------------------- */
- /* fade to transparency when the file list becomes empty */
- if (!ss->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 */
- ss->elapsed += seconds;
- if (ss->elapsed > ss->slide_time) {
- ss->elapsed -= ss->slide_time;
- if (!ss->loop && ss->cur_item == ss->files.num - 1) {
- if (ss->hide)
- do_transition(ss, true);
- else
- do_transition(ss, false);
- goto finish;
- }
- obs_source_media_next(ss->source);
- }
- finish:
- pthread_mutex_unlock(&ss->mutex);
- }
- 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;
- pthread_mutex_lock(&ss->mutex);
- if (ss->transition)
- cb(ss->source, ss->transition, param);
- pthread_mutex_unlock(&ss->mutex);
- }
- 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, 8000);
- obs_data_set_default_int(settings, S_TR_SPEED, 700);
- obs_data_set_default_string(settings, S_CUSTOM_SIZE, T_CUSTOM_SIZE_AUTO);
- 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 const char *aspects[] = {"16:9", "16:10", "4:3", "1:1"};
- #define NUM_ASPECTS (sizeof(aspects) / sizeof(const char *))
- 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);
- obs_property_list_add_string(p, T_CUSTOM_SIZE_AUTO, T_CUSTOM_SIZE_AUTO);
- for (size_t i = 0; i < NUM_ASPECTS; i++)
- obs_property_list_add_string(p, aspects[i], aspects[i]);
- char str[32];
- snprintf(str, sizeof(str), "%dx%d", cx, cy);
- obs_property_list_add_string(p, str, str);
- if (ss) {
- pthread_mutex_lock(&ss->mutex);
- if (ss->files.num) {
- struct image_file_data *last = da_end(ss->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);
- }
- pthread_mutex_unlock(&ss->mutex);
- }
- 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->behavior == BEHAVIOR_STOP_RESTART) {
- ss->restart_on_activate = true;
- ss->use_cut = true;
- set_media_state(ss, OBS_MEDIA_STATE_PLAYING);
- } else if (ss->behavior == BEHAVIOR_PAUSE_UNPAUSE) {
- ss->pause_on_deactivate = false;
- set_media_state(ss, OBS_MEDIA_STATE_PLAYING);
- }
- }
- static void ss_deactivate(void *data)
- {
- struct slideshow *ss = data;
- if (ss->behavior == BEHAVIOR_PAUSE_UNPAUSE) {
- ss->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 (strcmp(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 = {
- .id = "slideshow",
- .type = OBS_SOURCE_TYPE_INPUT,
- .output_flags = OBS_SOURCE_VIDEO | OBS_SOURCE_CUSTOM_DRAW | OBS_SOURCE_COMPOSITE |
- OBS_SOURCE_CONTROLLABLE_MEDIA | OBS_SOURCE_CAP_OBSOLETE,
- .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,
- };
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