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libobs: Add media control support to backend

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This commit is contained in:
Clayton Groeneveld 2019-07-10 00:45:35 -05:00 committed by jp9000
parent 4cae7c55a1
commit f9ccea5235
3 changed files with 174 additions and 0 deletions
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134
libobs/obs-source.c
View file

@ -80,6 +80,14 @@ static const char *source_signals[] = {
"void transition_start(ptr source)",
"void transition_video_stop(ptr source)",
"void transition_stop(ptr source)",
"void media_play(ptr source)",
"void media_pause(ptr source)",
"void media_restart(ptr source)",
"void media_stopped(ptr source)",
"void media_next(ptr source)",
"void media_previous(ptr source)",
"void media_started(ptr source)",
"void media_ended(ptr source)",
NULL,
};
@ -4742,3 +4750,129 @@ enum obs_icon_type obs_source_get_icon_type(const char *id)
const struct obs_source_info *info = get_source_info(id);
return (info) ? info->icon_type : OBS_ICON_TYPE_UNKNOWN;
}
void obs_source_media_play_pause(obs_source_t *source, bool pause)
{
if (!obs_source_valid(source, "obs_source_media_play_pause"))
return;
if (!source->info.media_play_pause)
return;
source->info.media_play_pause(source->context.data, pause);
if (pause)
obs_source_dosignal(source, NULL, "media_pause");
else
obs_source_dosignal(source, NULL, "media_play");
}
void obs_source_media_restart(obs_source_t *source)
{
if (!obs_source_valid(source, "obs_source_media_restart"))
return;
if (!source->info.media_restart)
return;
source->info.media_restart(source->context.data);
obs_source_dosignal(source, NULL, "media_restart");
}
void obs_source_media_stop(obs_source_t *source)
{
if (!obs_source_valid(source, "obs_source_media_stop"))
return;
if (!source->info.media_stop)
return;
source->info.media_stop(source->context.data);
obs_source_dosignal(source, NULL, "media_stopped");
}
void obs_source_media_next(obs_source_t *source)
{
if (!obs_source_valid(source, "obs_source_media_next"))
return;
if (!source->info.media_next)
return;
source->info.media_next(source->context.data);
obs_source_dosignal(source, NULL, "media_next");
}
void obs_source_media_previous(obs_source_t *source)
{
if (!obs_source_valid(source, "obs_source_media_previous"))
return;
if (!source->info.media_previous)
return;
source->info.media_previous(source->context.data);
obs_source_dosignal(source, NULL, "media_previous");
}
int64_t obs_source_media_get_duration(obs_source_t *source)
{
if (!obs_source_valid(source, "obs_source_media_get_duration"))
return 0;
if (source->info.media_get_duration)
return source->info.media_get_duration(source->context.data);
else
return 0;
}
int64_t obs_source_media_get_time(obs_source_t *source)
{
if (!obs_source_valid(source, "obs_source_media_get_time"))
return 0;
if (source->info.media_get_time)
return source->info.media_get_time(source->context.data);
else
return 0;
}
void obs_source_media_set_time(obs_source_t *source, int64_t ms)
{
if (!obs_source_valid(source, "obs_source_media_set_time"))
return;
if (source->info.media_set_time)
source->info.media_set_time(source->context.data, ms);
}
enum obs_media_state obs_source_media_get_state(obs_source_t *source)
{
if (!obs_source_valid(source, "obs_source_media_get_state"))
return OBS_MEDIA_STATE_NONE;
if (source->info.media_get_state)
return source->info.media_get_state(source->context.data);
else
return OBS_MEDIA_STATE_NONE;
}
void obs_source_media_started(obs_source_t *source)
{
if (!obs_source_valid(source, "obs_source_media_started"))
return;
obs_source_dosignal(source, NULL, "media_started");
}
void obs_source_media_ended(obs_source_t *source)
{
if (!obs_source_valid(source, "obs_source_media_ended"))
return;
obs_source_dosignal(source, NULL, "media_ended");
}

27
libobs/obs-source.h
View file

@ -60,6 +60,17 @@ enum obs_icon_type {
OBS_ICON_TYPE_CUSTOM,
};
enum obs_media_state {
OBS_MEDIA_STATE_NONE,
OBS_MEDIA_STATE_PLAYING,
OBS_MEDIA_STATE_OPENING,
OBS_MEDIA_STATE_BUFFERING,
OBS_MEDIA_STATE_PAUSED,
OBS_MEDIA_STATE_STOPPED,
OBS_MEDIA_STATE_ENDED,
OBS_MEDIA_STATE_ERROR,
};
/**
* @name Source output flags
*
@ -170,6 +181,11 @@ enum obs_icon_type {
/** Used internally for audio submixing */
#define OBS_SOURCE_SUBMIX (1 << 12)
/**
* Source type can be controlled by media controls
*/
#define OBS_SOURCE_CONTROLLABLE_MEDIA (1 << 13)
/** @} */
typedef void (*obs_source_enum_proc_t)(obs_source_t *parent,
@ -496,6 +512,17 @@ struct obs_source_info {
/** Icon type for the source */
enum obs_icon_type icon_type;
/** Media controls */
void (*media_play_pause)(void *data, bool pause);
void (*media_restart)(void *data);
void (*media_stop)(void *data);
void (*media_next)(void *data);
void (*media_previous)(void *data);
int64_t (*media_get_duration)(void *data);
int64_t (*media_get_time)(void *data);
void (*media_set_time)(void *data, int64_t seconds);
enum obs_media_state (*media_get_state)(void *data);
};
EXPORT void obs_register_source_s(const struct obs_source_info *info,

13
libobs/obs.h
View file

@ -1317,6 +1317,19 @@ EXPORT bool obs_source_audio_active(const obs_source_t *source);
EXPORT uint32_t obs_source_get_last_obs_version(const obs_source_t *source);
/** Media controls */
EXPORT void obs_source_media_play_pause(obs_source_t *source, bool pause);
EXPORT void obs_source_media_restart(obs_source_t *source);
EXPORT void obs_source_media_stop(obs_source_t *source);
EXPORT void obs_source_media_next(obs_source_t *source);
EXPORT void obs_source_media_previous(obs_source_t *source);
EXPORT int64_t obs_source_media_get_duration(obs_source_t *source);
EXPORT int64_t obs_source_media_get_time(obs_source_t *source);
EXPORT void obs_source_media_set_time(obs_source_t *source, int64_t ms);
EXPORT enum obs_media_state obs_source_media_get_state(obs_source_t *source);
EXPORT void obs_source_media_started(obs_source_t *source);
EXPORT void obs_source_media_ended(obs_source_t *source);
/* ------------------------------------------------------------------------- */
/* Transition-specific functions */
enum obs_transition_target {