diff options
Diffstat (limited to 'src/plugins/gstreamer/mediaplayer/qgstreamerplayersession.cpp')
| -rw-r--r-- | src/plugins/gstreamer/mediaplayer/qgstreamerplayersession.cpp | 61 |
1 files changed, 48 insertions, 13 deletions
diff --git a/src/plugins/gstreamer/mediaplayer/qgstreamerplayersession.cpp b/src/plugins/gstreamer/mediaplayer/qgstreamerplayersession.cpp index f4ac59420..f7522a5f7 100644 --- a/src/plugins/gstreamer/mediaplayer/qgstreamerplayersession.cpp +++ b/src/plugins/gstreamer/mediaplayer/qgstreamerplayersession.cpp @@ -67,6 +67,20 @@ QT_BEGIN_NAMESPACE +static bool usePlaybinVolume() +{ + static enum { Yes, No, Unknown } status = Unknown; + if (status == Unknown) { + QByteArray v = qgetenv("QT_GSTREAMER_USE_PLAYBIN_VOLUME"); + bool value = !v.isEmpty() && v != "0" && v != "false"; + if (value) + status = Yes; + else + status = No; + } + return status == Yes; +} + typedef enum { GST_PLAY_FLAG_VIDEO = 0x00000001, GST_PLAY_FLAG_AUDIO = 0x00000002, @@ -104,6 +118,7 @@ QGstreamerPlayerSession::QGstreamerPlayerSession(QObject *parent) m_pendingVideoSink(0), m_nullVideoSink(0), m_audioSink(0), + m_volumeElement(0), m_bus(0), m_videoOutput(0), m_renderer(0), @@ -151,8 +166,28 @@ QGstreamerPlayerSession::QGstreamerPlayerSession(QObject *parent) #endif g_object_set(G_OBJECT(m_playbin), "flags", flags, NULL); - m_audioSink = gst_element_factory_make("autoaudiosink", "audiosink"); - if (m_audioSink) { + GstElement *audioSink = gst_element_factory_make("autoaudiosink", "audiosink"); + if (audioSink) { + if (usePlaybinVolume()) { + m_audioSink = audioSink; + m_volumeElement = m_playbin; + } else { + m_volumeElement = gst_element_factory_make("volume", "volumeelement"); + if (m_volumeElement) { + m_audioSink = gst_bin_new("audio-output-bin"); + + gst_bin_add_many(GST_BIN(m_audioSink), m_volumeElement, audioSink, NULL); + gst_element_link(m_volumeElement, audioSink); + + GstPad *pad = gst_element_get_static_pad(m_volumeElement, "sink"); + gst_element_add_pad(GST_ELEMENT(m_audioSink), gst_ghost_pad_new("sink", pad)); + gst_object_unref(GST_OBJECT(pad)); + } else { + m_audioSink = audioSink; + m_volumeElement = m_playbin; + } + } + g_object_set(G_OBJECT(m_playbin), "audio-sink", m_audioSink, NULL); addAudioBufferProbe(); } @@ -193,12 +228,12 @@ QGstreamerPlayerSession::QGstreamerPlayerSession(QObject *parent) g_signal_connect(G_OBJECT(m_playbin), "notify::source", G_CALLBACK(playbinNotifySource), this); g_signal_connect(G_OBJECT(m_playbin), "element-added", G_CALLBACK(handleElementAdded), this); - // Init volume and mute state - g_object_set(G_OBJECT(m_playbin), "volume", 1.0, NULL); - g_object_set(G_OBJECT(m_playbin), "mute", FALSE, NULL); - - g_signal_connect(G_OBJECT(m_playbin), "notify::volume", G_CALLBACK(handleVolumeChange), this); - g_signal_connect(G_OBJECT(m_playbin), "notify::mute", G_CALLBACK(handleMutedChange), this); + if (usePlaybinVolume()) { + updateVolume(); + updateMuted(); + g_signal_connect(G_OBJECT(m_playbin), "notify::volume", G_CALLBACK(handleVolumeChange), this); + g_signal_connect(G_OBJECT(m_playbin), "notify::mute", G_CALLBACK(handleMutedChange), this); + } g_signal_connect(G_OBJECT(m_playbin), "video-changed", G_CALLBACK(handleStreamsChange), this); g_signal_connect(G_OBJECT(m_playbin), "audio-changed", G_CALLBACK(handleStreamsChange), this); @@ -912,10 +947,8 @@ void QGstreamerPlayerSession::setVolume(int volume) if (m_volume != volume) { m_volume = volume; - if (m_playbin) { - //playbin2 allows to set volume and muted independently, - g_object_set(G_OBJECT(m_playbin), "volume", m_volume/100.0, NULL); - } + if (m_volumeElement) + g_object_set(G_OBJECT(m_volumeElement), "volume", m_volume / 100.0, NULL); emit volumeChanged(m_volume); } @@ -929,7 +962,9 @@ void QGstreamerPlayerSession::setMuted(bool muted) if (m_muted != muted) { m_muted = muted; - g_object_set(G_OBJECT(m_playbin), "mute", m_muted ? TRUE : FALSE, NULL); + if (m_volumeElement) + g_object_set(G_OBJECT(m_volumeElement), "mute", m_muted ? TRUE : FALSE, NULL); + emit mutedStateChanged(m_muted); } } |