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decklink-output-ui: Don't crash on missing device

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Noticed OBS crashing after I removed DeckLink hardware that I enabled
auto-start output against.
This commit is contained in:
jpark37 2023-04-09 10:10:02 -07:00 committed by Jim
parent 5adcd51a68
commit bad13c90e0
1 changed files with 109 additions and 92 deletions
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201
UI/frontend-plugins/decklink-output-ui/decklink-ui-main.cpp
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@ -89,59 +89,68 @@ void output_start()
OBSData settings = load_settings();
if (settings != nullptr) {
obs_add_tick_callback(decklink_ui_tick, &context);
context.output = obs_output_create(
obs_output_t *const output = obs_output_create(
"decklink_output", "decklink_output", settings, NULL);
obs_get_video_info(&context.ovi);
const struct video_scale_info *const conversion =
obs_output_get_video_conversion(context.output);
const uint32_t width = conversion->width;
const uint32_t height = conversion->height;
obs_output_get_video_conversion(output);
if (conversion != nullptr) {
context.output = output;
obs_add_tick_callback(decklink_ui_tick, &context);
obs_enter_graphics();
context.texrender_premultiplied = nullptr;
context.texrender = gs_texrender_create(GS_BGRA, GS_ZS_NONE);
for (gs_stagesurf_t *&surf : context.stagesurfaces)
surf = gs_stagesurface_create(width, height, GS_BGRA);
obs_leave_graphics();
obs_get_video_info(&context.ovi);
for (bool &written : context.surf_written)
written = false;
const uint32_t width = conversion->width;
const uint32_t height = conversion->height;
context.stage_index = 0;
obs_enter_graphics();
context.texrender_premultiplied = nullptr;
context.texrender =
gs_texrender_create(GS_BGRA, GS_ZS_NONE);
for (gs_stagesurf_t *&surf : context.stagesurfaces)
surf = gs_stagesurface_create(width, height,
GS_BGRA);
obs_leave_graphics();
const video_output_info *mainVOI =
video_output_get_info(obs_get_video());
for (bool &written : context.surf_written)
written = false;
video_output_info vi = {0};
vi.format = VIDEO_FORMAT_BGRA;
vi.width = width;
vi.height = height;
vi.fps_den = context.ovi.fps_den;
vi.fps_num = context.ovi.fps_num;
vi.cache_size = 16;
vi.colorspace = mainVOI->colorspace;
vi.range = VIDEO_RANGE_FULL;
vi.name = "decklink_output";
context.stage_index = 0;
video_output_open(&context.video_queue, &vi);
const video_output_info *mainVOI =
video_output_get_info(obs_get_video());
context.current_source = nullptr;
obs_add_main_rendered_callback(decklink_ui_render, &context);
video_output_info vi = {0};
vi.format = VIDEO_FORMAT_BGRA;
vi.width = width;
vi.height = height;
vi.fps_den = context.ovi.fps_den;
vi.fps_num = context.ovi.fps_num;
vi.cache_size = 16;
vi.colorspace = mainVOI->colorspace;
vi.range = VIDEO_RANGE_FULL;
vi.name = "decklink_output";
obs_output_set_media(context.output, context.video_queue,
obs_get_audio());
bool started = obs_output_start(context.output);
video_output_open(&context.video_queue, &vi);
main_output_running = started;
context.current_source = nullptr;
obs_add_main_rendered_callback(decklink_ui_render,
&context);
if (!shutting_down)
doUI->OutputStateChanged(started);
obs_output_set_media(context.output,
context.video_queue,
obs_get_audio());
bool started = obs_output_start(context.output);
if (!started)
output_stop();
main_output_running = started;
if (!shutting_down)
doUI->OutputStateChanged(started);
if (!started)
output_stop();
} else {
obs_output_release(output);
}
}
}
@ -216,68 +225,76 @@ void preview_output_start()
OBSData settings = load_preview_settings();
if (settings != nullptr) {
obs_add_tick_callback(decklink_ui_tick, &context);
context.output = obs_output_create("decklink_output",
"decklink_preview_output",
settings, NULL);
obs_get_video_info(&context.ovi);
obs_output_t *const output = obs_output_create(
"decklink_output", "decklink_output", settings, NULL);
const struct video_scale_info *const conversion =
obs_output_get_video_conversion(context.output);
const uint32_t width = conversion->width;
const uint32_t height = conversion->height;
obs_output_get_video_conversion(output);
if (conversion != nullptr) {
context.output = output;
obs_add_tick_callback(decklink_ui_tick, &context);
obs_enter_graphics();
context.texrender_premultiplied =
gs_texrender_create(GS_BGRA, GS_ZS_NONE);
context.texrender = gs_texrender_create(GS_BGRA, GS_ZS_NONE);
for (gs_stagesurf_t *&surf : context.stagesurfaces)
surf = gs_stagesurface_create(width, height, GS_BGRA);
obs_leave_graphics();
obs_get_video_info(&context.ovi);
for (bool &written : context.surf_written)
written = false;
const uint32_t width = conversion->width;
const uint32_t height = conversion->height;
context.stage_index = 0;
obs_enter_graphics();
context.texrender_premultiplied =
gs_texrender_create(GS_BGRA, GS_ZS_NONE);
context.texrender =
gs_texrender_create(GS_BGRA, GS_ZS_NONE);
for (gs_stagesurf_t *&surf : context.stagesurfaces)
surf = gs_stagesurface_create(width, height,
GS_BGRA);
obs_leave_graphics();
const video_output_info *mainVOI =
video_output_get_info(obs_get_video());
for (bool &written : context.surf_written)
written = false;
video_output_info vi = {0};
vi.format = VIDEO_FORMAT_BGRA;
vi.width = width;
vi.height = height;
vi.fps_den = context.ovi.fps_den;
vi.fps_num = context.ovi.fps_num;
vi.cache_size = 16;
vi.colorspace = mainVOI->colorspace;
vi.range = VIDEO_RANGE_FULL;
vi.name = "decklink_preview_output";
context.stage_index = 0;
video_output_open(&context.video_queue, &vi);
const video_output_info *mainVOI =
video_output_get_info(obs_get_video());
obs_frontend_add_event_callback(on_preview_scene_changed,
&context);
if (obs_frontend_preview_program_mode_active()) {
context.current_source =
obs_frontend_get_current_preview_scene();
video_output_info vi = {0};
vi.format = VIDEO_FORMAT_BGRA;
vi.width = width;
vi.height = height;
vi.fps_den = context.ovi.fps_den;
vi.fps_num = context.ovi.fps_num;
vi.cache_size = 16;
vi.colorspace = mainVOI->colorspace;
vi.range = VIDEO_RANGE_FULL;
vi.name = "decklink_preview_output";
video_output_open(&context.video_queue, &vi);
obs_frontend_add_event_callback(
on_preview_scene_changed, &context);
if (obs_frontend_preview_program_mode_active()) {
context.current_source =
obs_frontend_get_current_preview_scene();
} else {
context.current_source =
obs_frontend_get_current_scene();
}
obs_add_main_rendered_callback(decklink_ui_render,
&context);
obs_output_set_media(context.output,
context.video_queue,
obs_get_audio());
bool started = obs_output_start(context.output);
preview_output_running = started;
if (!shutting_down)
doUI->PreviewOutputStateChanged(started);
if (!started)
preview_output_stop();
} else {
context.current_source =
obs_frontend_get_current_scene();
obs_output_release(output);
}
obs_add_main_rendered_callback(decklink_ui_render, &context);
obs_output_set_media(context.output, context.video_queue,
obs_get_audio());
bool started = obs_output_start(context.output);
preview_output_running = started;
if (!shutting_down)
doUI->PreviewOutputStateChanged(started);
if (!started)
preview_output_stop();
}
}