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-rw-r--r--src/modules/rtv/rtv.c106
1 files changed, 85 insertions, 21 deletions
diff --git a/src/modules/rtv/rtv.c b/src/modules/rtv/rtv.c
index f2b92a4..35d968a 100644
--- a/src/modules/rtv/rtv.c
+++ b/src/modules/rtv/rtv.c
@@ -60,7 +60,8 @@ typedef struct rtv_setup_t {
unsigned context_duration;
unsigned snow_duration;
unsigned caption_duration;
- char *snow_module;
+ char *snow_module_name;
+ til_setup_t *snow_module_setup;
unsigned log_channels:1;
char *channels[];
} rtv_setup_t;
@@ -196,7 +197,7 @@ static void setup_next_channel(rtv_context_t *ctxt, unsigned ticks)
static int rtv_should_skip_module(const rtv_setup_t *setup, const til_module_t *module)
{
if (module == &rtv_module ||
- (setup->snow_module && !strcasecmp(module->name, setup->snow_module)))
+ (setup->snow_module_name && !strcasecmp(module->name, setup->snow_module_name)))
return 1;
/* An empty channels list is a special case for representing "all", an
@@ -243,9 +244,13 @@ static til_module_context_t * rtv_create_context(const til_module_t *module, til
ctxt->caption_duration = ((rtv_setup_t *)setup)->caption_duration;
ctxt->snow_channel.module = &rtv_none_module;
- if (((rtv_setup_t *)setup)->snow_module) {
- ctxt->snow_channel.module = til_lookup_module(((rtv_setup_t *)setup)->snow_module);
- (void) til_module_create_context(ctxt->snow_channel.module, stream, rand_r(&seed), ticks, 0, path, NULL, &ctxt->snow_channel.module_ctxt);
+ if (((rtv_setup_t *)setup)->snow_module_name) {
+ /* ctxt takes ownership of the snow_module_setup */
+ ctxt->snow_channel.module_setup = ((rtv_setup_t *)setup)->snow_module_setup;
+ ((rtv_setup_t *)setup)->snow_module_setup = NULL;
+
+ ctxt->snow_channel.module = til_lookup_module(((rtv_setup_t *)setup)->snow_module_name);
+ (void) til_module_create_context(ctxt->snow_channel.module, stream, rand_r(&seed), ticks, 0, path, ctxt->snow_channel.module_setup, &ctxt->snow_channel.module_ctxt);
}
ctxt->log_channels = ((rtv_setup_t *)setup)->log_channels;
@@ -266,6 +271,7 @@ static void rtv_destroy_context(til_module_context_t *context)
rtv_context_t *ctxt = (rtv_context_t *)context;
/* TODO FIXME: cleanup better, snow module etc */
+ til_setup_free(ctxt->snow_channel.module_setup);
cleanup_channel(ctxt);
free(context);
}
@@ -311,20 +317,34 @@ static void rtv_finish_frame(til_module_context_t *context, til_stream_t *stream
static int rtv_setup(const til_settings_t *settings, til_setting_t **res_setting, const til_setting_desc_t **res_desc, til_setup_t **res_setup)
{
- const char *channels;
- const char *duration;
- const char *context_duration;
- const char *caption_duration;
- const char *snow_duration;
- const char *snow_module;
- const char *log_channels;
- const char *log_channels_values[] = {
- "no",
- "yes",
- NULL
- };
- int r;
+ const til_settings_t *snow_module_settings;
+ const char *channels;
+ const char *duration;
+ const char *context_duration;
+ const char *caption_duration;
+ const char *snow_duration;
+ const char *snow_module;
+ const char *log_channels;
+ const char *log_channels_values[] = {
+ "no",
+ "yes",
+ NULL
+ };
+ int r;
+
+ /* TODO: turn channels[] into settings instances full of settings instances, like modules/compose::layers */
+ /* except the difference here is, we don't want to _require_ the setup process to fill out all the settings.
+ * We'd like to allow leaving any to be randomized by rototiller on channel switch as unset or something.
+ * But if we're calling down into the per-channel-module .setup() to
+ * get the settings populated, it's out of our hands on if that setting
+ * is required to be present or not. The per-channel-module will
+ * refuse to proceed to the next setting unless it's present and
+ * described etc. So it's like the front-end needs a way to set the
+ * setting with a "randomize" attribute or somesuch, and rtv needs a way
+ * to make that an available thing like we're in some kind of deferred
+ * setup preparation phase for a settings instance that will be re-evaluated
+ */
r = til_settings_get_and_describe_value(settings,
&(til_setting_spec_t){
.name = "Colon-separated list of channel modules, \"all\" for all",
@@ -399,7 +419,8 @@ static int rtv_setup(const til_settings_t *settings, til_setting_t **res_setting
.name = "Module for snow (\"blank\" for blanking, \"none\" to disable)",
.key = "snow_module",
.preferred = RTV_DEFAULT_SNOW_MODULE,
- .annotations = NULL
+ .annotations = NULL,
+ .as_nested_settings = 1,
},
&snow_module,
res_setting,
@@ -407,6 +428,24 @@ static int rtv_setup(const til_settings_t *settings, til_setting_t **res_setting
if (r)
return r;
+ assert(res_setting && *res_setting && (*res_setting)->value_as_nested_settings);
+ snow_module_settings = (*res_setting)->value_as_nested_settings;
+ if (strcasecmp(snow_module, "none")) {
+ const char *snow_module_name = til_settings_get_value_by_idx(snow_module_settings, 0, NULL);
+ const til_module_t *snow_module = til_lookup_module(snow_module_name);
+
+ if (!snow_module)
+ return -EINVAL;
+
+ if (snow_module->setup) {
+ r = snow_module->setup(snow_module_settings, res_setting, res_desc, NULL);
+ if (r)
+ return r;
+ }
+
+ /* now snow_module settings are complete, but not yet baked (no res_setup) */
+ }
+
r = til_settings_get_and_describe_value(settings,
&(til_setting_spec_t){
.name = "Log channel settings to stderr",
@@ -476,8 +515,33 @@ static int rtv_setup(const til_settings_t *settings, til_setting_t **res_setting
} while ((channel = strtok(NULL, ":")));
}
- if (strcasecmp(snow_module, "none"))
- setup->snow_module = strdup(snow_module);
+ if (strcasecmp(snow_module, "none")) {
+ const char *snow_module_name = til_settings_get_value_by_idx(snow_module_settings, 0, NULL);
+ const til_module_t *snow_module = til_lookup_module(snow_module_name);
+
+ if (!snow_module) {
+ til_setup_free(&setup->til_setup);
+
+ return -EINVAL;
+ }
+
+ setup->snow_module_name = strdup(snow_module_name);
+ if (!setup->snow_module_name) {
+ til_setup_free(&setup->til_setup);
+
+ return -ENOMEM;
+ }
+
+ if (snow_module->setup) {
+ /* bake the snow_module settings */
+ r = snow_module->setup(snow_module_settings, res_setting, res_desc, &setup->snow_module_setup);
+ if (r < 0) {
+ til_setup_free(&setup->til_setup);
+
+ return r;
+ }
+ }
+ }
/* TODO FIXME: parse errors */
sscanf(duration, "%u", &setup->duration);
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