add configurable decoders into the gui

1 files changed, 24 insertions, 5 deletions

diff --git a/voctogui/lib/videodisplay.py b/voctogui/lib/videodisplay.py
index 9259f6c..f42775c 100644
--- a/voctogui/lib/videodisplay.py
+++ b/voctogui/lib/videodisplay.py
@@ -16,16 +16,34 @@ class VideoDisplay(object):
         self.drawing_area = drawing_area
         self.level_callback = level_callback
 
-        caps = Config.get('mix', 'videocaps')
+		if Config.has_option('previews', 'videocaps'):
+			previewcaps = Config.get('previews', 'videocaps')
+		else:
+			previewcaps = Config.get('mix', 'videocaps')
+
         use_previews = (Config.getboolean('previews', 'enabled') and
                         Config.getboolean('previews', 'use'))
 
         # Preview-Ports are Raw-Ports + 1000
         if use_previews:
-            self.log.info('using jpeg-previews instead of raw-video for gui')
+			self.log.info('using endoded previews instead of raw-video for gui')
             port += 1000
+
+			vdec = 'image/jpeg ! jpegdec'
+			if Config.has_option('previews', 'vaapi'):
+				try:
+					decoder = Config.get('previews', 'vaapi')
+					decoders = {
+						'h264': 'video/x-h264 ! avdec_h264',
+						'jpeg': 'image/jpeg ! jpegdec',
+						'mpeg2': 'video/mpeg,mpegversion=2 ! mpeg2dec'
+					}
+					vdec = decoders[decoder]
+				except Exception as e:
+					self.log.error(e)
+
         else:
-            self.log.info('using raw-video instead of jpeg-previews for gui')
+			self.log.info('using raw-video instead of endoded-previews for gui')
 
         # Setup Server-Connection, Demuxing and Decoding
         pipeline = """
@@ -37,8 +55,7 @@ class VideoDisplay(object):
         if use_previews:
             pipeline += """
                 demux. !
-                image/jpeg !
-                jpegdec !
+				{vdec} !
                 {previewcaps} !
                 queue !
             """
@@ -109,6 +126,8 @@ class VideoDisplay(object):
             vcaps=Config.get('mix', 'videocaps'),
             previewcaps=Config.get('previews', 'videocaps'),
             host=Args.host if Args.host else Config.get('server', 'host'),
+			vdec=vdec,
+			host=Config.get('server', 'host'),
             port=port,
         )