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Improve UI Play Direction and speed

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Play speed slider changes the speed without changing direction (not working well). Change play direction is now in a play sub-menu (mouse over) in play bar. Video menu changed, with Timeline section
This commit is contained in:
Bruno Herbelin
2023-08-08 23:02:34 +02:00
parent f75b384c17
commit ebd59e38ce
4 changed files with 82 additions and 43 deletions
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24
src/MediaPlayer.cpp
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@@ -319,6 +319,7 @@ typedef enum {
GST_PLAY_FLAG_SW_DECODER = 0x00001000
} GstPlayFlags;
//
// Setup a media player using gstreamer playbin
//
@@ -368,7 +369,7 @@ void MediaPlayer::execute_open()
}
// setup appsink
GstElement *sink = gst_element_factory_make ("appsink", NULL);
GstElement *sink = gst_element_factory_make ("appsink", "appsink");
if (!sink) {
Log::Warning("MediaPlayer %s Could not configure sink", std::to_string(id_).c_str());
failed_ = true;
@@ -1358,10 +1359,8 @@ void MediaPlayer::setPlaySpeed(double s)
GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE,
GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE);
if (seek_event && gst_element_send_event(pipeline_, seek_event) ) {
if (seek_event && gst_element_send_event(pipeline_, seek_event) )
seeking_ = true;
Log::Info("MediaPlayer %s; instant rate to %f", std::to_string(id_).c_str(), rate_);
}
else {
Log::Info("MediaPlayer %s; cannot perform instantaneous speed change. Change of play speed will not be smooth.", std::to_string(id_).c_str());
rate_change_ = RATE_CHANGE_FLUSH;
@@ -1370,10 +1369,8 @@ void MediaPlayer::setPlaySpeed(double s)
// Generic way is a flush seek
// following the example from
// https://gstreamer.freedesktop.org/documentation/tutorials/basic/playback-speed.html
else {
Log::Info("MediaPlayer %s; flush rate to %f", std::to_string(id_).c_str(), rate_);
else
execute_seek_command();
}
// Set after initialization (will be used next time)
if (rate_change_ == RATE_CHANGE_NONE)
@@ -1616,3 +1613,16 @@ void MediaPlayer::TimeCounter::tic ()
}
}
//static void audio_changed_callback (GstElement *pipeline, MediaPlayer *mp)
//{
// gint n_audio;
// g_object_get (G_OBJECT (pipeline), "n-audio", &n_audio, NULL);
// if ( n_audio > 0 ) {
// Log::Info("MediaPlayer %d Audio stream muted", std::to_string( mp->id() ).c_str() );
// gst_stream_volume_set_volume (GST_STREAM_VOLUME (pipeline), GST_STREAM_VOLUME_FORMAT_LINEAR, 0.);
// gst_stream_volume_set_mute (GST_STREAM_VOLUME (pipeline), true);
// }
//}
// flags |= GST_PLAY_FLAG_AUDIO;
// g_signal_connect ( G_OBJECT (pipeline_), "audio-changed", G_CALLBACK (audio_changed_callback), this);