fix start_encode2

Author: obhodny

docs/usage.md

@@ -81,22 +81,26 @@ VIDEO_CODEC = qencode.x264_video_codec()
 DESTINATION.url = "..."
 DESTINATION.key = "..."
 DESTINATION.secret = "..."
+DESTINATION.remove_null_params()
 
 VIDEO_CODEC.vprofile = "baseline"
 VIDEO_CODEC.level = 31
 VIDEO_CODEC.coder = 0
 VIDEO_CODEC.flags2 = "-bpyramid+fastpskip-dct8x8"
 VIDEO_CODEC.partitions = "+parti8x8+parti4x4+partp8x8+partb8x8"
 VIDEO_CODEC.directpred = 2
+VIDEO_CODEC.remove_null_params()
 
 STREAM.profile = "baseline"
 STREAM.size = "1920x1080"
 STREAM.audio_bitrate = 128
 STREAM.video_codec_parameters = VIDEO_CODEC
+STREAM.remove_null_params()
 
 FORMAT.stream = [STREAM]
 FORMAT.output = "advanced_hls"
 FORMAT.destination = DESTINATION
+FORMAT.remove_null_params()
 
 params.source = 'your source url'
 params.format = [FORMAT]

qencode/custom_params.py

@@ -1,5 +1,6 @@
 import json
 from json import JSONEncoder
+from utils import rm_key_if_null
 
 class CustomTranscodingParams(object):
   """CustomTranscodingParams
@@ -12,6 +13,9 @@ def __init__(self):
     self.source = None
     self.format = None
 
+  def remove_null_params(self):
+    rm_key_if_null(self)
+
 class Format(object):
   """
       :var
@@ -25,12 +29,18 @@ def __init__(self):
     self.segment_duration = None
     self.stream = None
 
+  def remove_null_params(self):
+    rm_key_if_null(self)
+
 class Destination(object):
   def __init__(self):
     self.url = None
     self.key = None
     self.secret = None
 
+  def remove_null_params(self):
+    rm_key_if_null(self)
+
 class Stream(object):
   def __init__(self):
     self.size = None
@@ -52,6 +62,10 @@ def __init__(self):
     self.audio_codec = None
     self.downmix_mode = None
 
+  def remove_null_params(self):
+    rm_key_if_null(self)
+
+
 
 class Libx264_VideoCodecParameters(object):
   def __init__(self):
@@ -64,6 +78,9 @@ def __init__(self):
     self.directpred = None
     self.me_method = None
 
+  def remove_null_params(self):
+    rm_key_if_null(self)
+
 class Libx265_VideoCodecParameters(object):
   def __init__(self):
     pass

qencode/utils.py

@@ -13,6 +13,11 @@ def get_percent(p):
     return round(p)
   return 0
 
+def rm_key_if_null(class_obj):
+  for key, val in class_obj.__dict__.items():
+    if not val:
+      class_obj.__dict__.pop(key)
+
 def progress_bar(self, custom_message=None):
   message = custom_message if custom_message else ''
   while 1:

sample-code/start_encode2.py

@@ -20,22 +20,26 @@
 DESTINATION.url = "s3://s3-eu-west-2.amazonaws.com/qencode-test"
 DESTINATION.key = "AKIAIKZIPSJ7SDAIWK4A"
 DESTINATION.secret = "h2TGNXeT49OT+DtZ3RGr+94HEhptS6oYsmXCwWuL"
+DESTINATION.remove_null_params()
 
 VIDEO_CODEC.vprofile = "baseline"
 VIDEO_CODEC.level = 31
 VIDEO_CODEC.coder = 0
 VIDEO_CODEC.flags2 = "-bpyramid+fastpskip-dct8x8"
 VIDEO_CODEC.partitions = "+parti8x8+parti4x4+partp8x8+partb8x8"
 VIDEO_CODEC.directpred = 2
+VIDEO_CODEC.remove_null_params()
 
 STREAM.profile = "baseline"
 STREAM.size = "1920x1080"
 STREAM.audio_bitrate = 128
 STREAM.video_codec_parameters = VIDEO_CODEC
+STREAM.remove_null_params()
 
 FORMAT.stream = [STREAM]
 FORMAT.output = "advanced_hls"
 FORMAT.destination = DESTINATION
+FORMAT.remove_null_params()
 
 params.source = 'https://qa.qencode.com/static/1.mp4'
 params.format = [FORMAT]