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obs-transitions: Add frame transition point option to stinger

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Allows the user to specify a frame instead of a timestamp for
the transition point.
This commit is contained in:
derrod
2017-08-08 10:08:23 +02:00
parent 8b3921ffbf
commit aa6bd58ce3
2 changed files with 37 additions and 7 deletions
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39
plugins/obs-transitions/transition-stinger.c
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@@ -1,16 +1,22 @@
#include <obs-module.h>
#define TIMING_TIME 0
#define TIMING_FRAME 1
struct stinger_info {
obs_source_t *source;
obs_source_t *media_source;
uint64_t duration_ns;
uint64_t duration_frames;
uint64_t transition_point_ns;
uint64_t transition_point_frame;
float transition_point;
float transition_a_mul;
float transition_b_mul;
bool transitioning;
bool transition_point_is_frame;
};
static const char *stinger_get_name(void *type_data)
@@ -32,9 +38,15 @@ static void stinger_update(void *data, obs_data_t *settings)
media_settings);
obs_data_release(media_settings);
int64_t point_ms = obs_data_get_int(settings, "transition_point");
int64_t point = obs_data_get_int(settings, "transition_point");
s->transition_point_ns = (uint64_t)(point_ms * 1000000LL);
s->transition_point_is_frame =
obs_data_get_int(settings, "tp_type") == TIMING_FRAME;
if (s->transition_point_is_frame)
s->transition_point_frame = (uint64_t)point;
else
s->transition_point_ns = (uint64_t)(point * 1000000LL);
}
static void *stinger_create(obs_data_t *settings, obs_source_t *source)
@@ -165,12 +177,19 @@ static void stinger_transition_start(void *data)
}
proc_handler_call(ph, "get_duration", &cd);
proc_handler_call(ph, "get_nb_frames", &cd);
s->duration_ns = (uint64_t)calldata_int(&cd, "duration");
s->duration_frames = (uint64_t)calldata_int(&cd, "num_frames");
if (s->transition_point_is_frame)
s->transition_point = (float)(
(long double)s->transition_point_frame /
(long double)s->duration_frames);
else
s->transition_point = (float)(
(long double)s->transition_point_ns /
(long double)s->duration_ns);
s->transition_point = (float)(
(long double)s->transition_point_ns /
(long double)s->duration_ns);
if (s->transition_point > 1.0f)
s->transition_point = 1.0f;
else if (s->transition_point < 0.001f)
@@ -229,6 +248,14 @@ static obs_properties_t *stinger_properties(void *data)
obs_module_text("VideoFile"),
OBS_PATH_FILE,
FILE_FILTER, NULL);
obs_property_t *list = obs_properties_add_list(ppts, "tp_type",
obs_module_text("TransitionPointType"),
OBS_COMBO_TYPE_LIST, OBS_COMBO_FORMAT_INT);
obs_property_list_add_int(list,
obs_module_text("TransitionPointTypeTime"), TIMING_TIME);
obs_property_list_add_int(list,
obs_module_text("TransitionPointTypeFrame"), TIMING_FRAME);
obs_properties_add_int(ppts, "transition_point",
obs_module_text("TransitionPoint"),
0, 120000, 1);