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Fix for #20 #41

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Fix for #20 #41

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6 changes: 4 additions & 2 deletions rosbag2video.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
import rospy
import rosbag
import sys, getopt
import datetime
import os
from sensor_msgs.msg import CompressedImage
from sensor_msgs.msg import Image
Expand Down Expand Up @@ -139,6 +140,7 @@ def filter_image_msgs(self, topic, datatype, md5sum, msg_def, header):


def write_output_video(self, msg, topic, t, video_fmt, pix_fmt = ""):
timestamp = datetime.datetime.now().strftime("%Y_%m_%d_%H_%M_%S")
# no data in this topic
if len(msg.data) == 0 :
return
Expand All @@ -157,9 +159,9 @@ def write_output_video(self, msg, topic, t, video_fmt, pix_fmt = ""):
if self.opt_verbose :
print("Initializing pipe for topic", topic, "at time", t.to_sec())
if self.opt_out_file=="":
out_file = self.opt_prefix + str(topic).replace("/", "_")+".mp4"
out_file = timestamp + "_" + self.opt_prefix + str(topic).replace("/", "_")+".mp4"
else:
out_file = self.opt_out_file
out_file = timestamp + "_" + self.opt_out_file

if self.opt_verbose :
print("Using output file ", out_file, " for topic ", topic, ".")
Expand Down