bool VLCVideoWrapper::setRate(Real64 Rate)
{
// set the playback rate
libvlc_media_player_set_rate(_MediaPlayer, Rate);
bool error = checkVLCError("setting player rate");
// will return true if no errors occured
return !error;
}
void
mediacontrol_set_rate( mediacontrol_Instance *self,
const int rate,
mediacontrol_Exception *exception )
{
mediacontrol_exception_init( exception );
libvlc_media_player_set_rate( self->p_media_player, rate * 10 );
}
STDMETHODIMP VLCInput::put_rate(double rate)
{
libvlc_media_player_t *p_md;
HRESULT hr = getMD(&p_md);
if( SUCCEEDED(hr) )
{
libvlc_media_player_set_rate(p_md, rate);
}
return hr;
};
void
Java_org_videolan_libvlc_MediaPlayer_setRate(JNIEnv *env, jobject thiz,
jfloat rate)
{
vlcjni_object *p_obj = VLCJniObject_getInstance(env, thiz);
if (!p_obj)
return;
libvlc_media_player_set_rate(p_obj->u.p_mp, rate);
}
static void
_speed_set(struct _App *app)
{
float rate;
if (!app->mp)
return;
_em_read_safe(app->em_read, &rate, sizeof(rate));
libvlc_media_player_set_rate(app->mp, rate);
}
void VideoWindow::setSpeed(int val)
{
qreal speed;
if(val > 0){
speed = 1+double(val);
} else {
speed = 1+double(val)/10;
}
if(speed==0) speed=0.05;
QString l = QString::number(speed,'f',1)+"x";
if(speed==1) l = "Normal";
libvlc_media_player_set_rate(this->_player->core(),speed);
VlcError::errmsg();
this->ui->l_speed->setText(l);
}
void Java_org_videolan_libvlc_LibVLC_setRate(JNIEnv *env, jobject thiz, jfloat rate) {
libvlc_media_player_t* mp = getMediaPlayer(env, thiz);
if(mp)
libvlc_media_player_set_rate(mp, rate);
}
int transcode_stream::transcode_process(platform::process &process)
{
std::vector<std::string> vlc_options;
vlc_options.push_back("--no-sub-autodetect-file");
if (compare_version(instance::version(), "2.1") >= 0)
vlc_options.push_back("--avcodec-fast");
int font_size = -1;
process >> font_size;
if (font_size > 0)
{
vlc_options.push_back("--freetype-fontsize");
vlc_options.push_back(std::to_string(font_size));
}
vlc::instance instance(vlc_options);
std::string mrl, transcode, mux;
process >> mrl >> transcode >> mux;
std::ostringstream sout;
sout
<< ":sout=" << from_percent(transcode)
<< ":std{access=fd,mux=" << mux << ",dst=" << process.output_fd() << "}";
auto media = media::from_mrl(instance, mrl);
libvlc_media_add_option(media, sout.str().c_str());
std::string subtitle_file;
process >> subtitle_file;
if (subtitle_file != "(none)")
{
std::string file = from_percent(subtitle_file);
#ifdef WIN32
file = from_utf16(platform::to_windows_path(file));
#endif
libvlc_media_add_option(media, (":sub-file=" + file).c_str());
}
size_t num_options = 0;
process >> num_options;
for (size_t i = 0; i < num_options; i++)
{
std::string option;
process >> option;
libvlc_media_add_option(media, from_percent(option).c_str());
}
struct T
{
static void callback(const libvlc_event_t *e, void *opaque)
{
T * const t = reinterpret_cast<T *>(opaque);
std::lock_guard<std::mutex> _(t->mutex);
if (e->type == libvlc_MediaPlayerTimeChanged)
{
if (t->info)
t->info->time = e->u.media_player_time_changed.new_time;
}
else if (e->type == libvlc_MediaPlayerPlaying)
{
t->started = true;
if (t->track_ids.video >= -1)
{
libvlc_video_set_track(t->player, -1);
if (t->track_ids.video > 0)
libvlc_video_set_track(t->player, t->track_ids.video);
}
if (t->track_ids.audio >= -1)
{
libvlc_audio_set_track(t->player, -1);
if (t->track_ids.audio >= 0)
libvlc_audio_set_track(t->player, t->track_ids.audio);
}
if (t->track_ids.text >= -1)
{
libvlc_video_set_spu(t->player, -1);
if (t->track_ids.text >= 0)
libvlc_video_set_spu(t->player, t->track_ids.text);
}
}
else if (e->type == libvlc_MediaPlayerEndReached)
{
t->end_reached = true;
if (t->info)
t->info->end_reached = true;
}
else if (e->type == libvlc_MediaPlayerEncounteredError)
t->encountered_error = true;
t->condition.notify_one();
}
volatile shared_info *info;
struct track_ids track_ids;
std::mutex mutex;
std::condition_variable condition;
bool started;
bool end_reached;
bool encountered_error;
libvlc_media_player_t *player;
} t;
unsigned info_offset(-1);
process >> info_offset;
process >> t.track_ids.audio >> t.track_ids.video >> t.track_ids.text;
int chapter = -1;
int64_t position = -1;
float rate = 0.0f;
process >> chapter >> position >> rate;
t.info = &process.get_shared<shared_info>(info_offset);
t.started = false;
t.end_reached = false;
t.encountered_error = false;
t.player = libvlc_media_player_new_from_media(media);
if (t.player)
{
auto event_manager = libvlc_media_player_event_manager(t.player);
libvlc_event_attach(event_manager, libvlc_MediaPlayerTimeChanged, &T::callback, &t);
libvlc_event_attach(event_manager, libvlc_MediaPlayerPlaying, &T::callback, &t);
libvlc_event_attach(event_manager, libvlc_MediaPlayerEndReached, &T::callback, &t);
libvlc_event_attach(event_manager, libvlc_MediaPlayerEncounteredError, &T::callback, &t);
if (libvlc_media_player_play(t.player) == 0)
{
std::unique_lock<std::mutex> l(t.mutex);
while (!t.end_reached && !t.encountered_error && process)
{
if (t.started)
{
l.unlock();
if (chapter >= 0)
libvlc_media_player_set_chapter(t.player, chapter);
if (position > 0)
libvlc_media_player_set_time(t.player, position);
if (std::abs(rate - 1.0f) > 0.01f)
libvlc_media_player_set_rate(t.player, rate);
l.lock();
t.started = false;
}
t.condition.wait(l);
}
l.unlock();
libvlc_media_player_stop(t.player);
}
libvlc_event_detach(event_manager, libvlc_MediaPlayerEncounteredError, &T::callback, &t);
libvlc_event_detach(event_manager, libvlc_MediaPlayerEndReached, &T::callback, &t);
libvlc_event_detach(event_manager, libvlc_MediaPlayerPlaying, &T::callback, &t);
libvlc_event_detach(event_manager, libvlc_MediaPlayerTimeChanged, &T::callback, &t);
libvlc_media_player_release(t.player);
}
return 0;
}
RuntimeNPObject::InvokeResult
LibvlcInputNPObject::setProperty(int index, const NPVariant &value)
{
/* is plugin still running */
if( isPluginRunning() )
{
VlcPlugin* p_plugin = getPrivate<VlcPlugin>();
libvlc_exception_t ex;
libvlc_exception_init(&ex);
libvlc_media_player_t *p_md = p_plugin->getMD(&ex);
RETURN_ON_EXCEPTION(this,ex);
switch( index )
{
case ID_input_position:
{
if( ! NPVARIANT_IS_DOUBLE(value) )
{
return INVOKERESULT_INVALID_VALUE;
}
float val = (float)NPVARIANT_TO_DOUBLE(value);
libvlc_media_player_set_position(p_md, val, &ex);
RETURN_ON_EXCEPTION(this,ex);
return INVOKERESULT_NO_ERROR;
}
case ID_input_time:
{
int64_t val;
if( NPVARIANT_IS_INT32(value) )
val = (int64_t)NPVARIANT_TO_INT32(value);
else if( NPVARIANT_IS_DOUBLE(value) )
val = (int64_t)NPVARIANT_TO_DOUBLE(value);
else
{
return INVOKERESULT_INVALID_VALUE;
}
libvlc_media_player_set_time(p_md, val, &ex);
RETURN_ON_EXCEPTION(this,ex);
return INVOKERESULT_NO_ERROR;
}
case ID_input_rate:
{
float val;
if( NPVARIANT_IS_INT32(value) )
val = (float)NPVARIANT_TO_INT32(value);
else if( NPVARIANT_IS_DOUBLE(value) )
val = (float)NPVARIANT_TO_DOUBLE(value);
else
{
return INVOKERESULT_INVALID_VALUE;
}
libvlc_media_player_set_rate(p_md, val, &ex);
RETURN_ON_EXCEPTION(this,ex);
return INVOKERESULT_NO_ERROR;
}
default:
;
}
}
return INVOKERESULT_GENERIC_ERROR;
}
