def mediaCodec_getdur(self, input_file, logname):
'''get output dur'''
scan_result = mediaCodec_scan_param.mediaCodec_scan_param( mediabase.MEDIA_FFPROBE,
input_file, 0, logname)
if scan_result['error_code'] != 0:
mediabase.addlog("scan input video [%s] error" % input_file, logname)
out_dur = "NULL"
return out_dur
else:
video_info = scan_result["data"]
if video_info.has_key("Video"):
video_dur = video_info["Video"]["0"]["duration"]
else:
mediabase.addlog("scan video no duration [%s] error" % input_file, logname)
out_dur = "NULL"
return out_dur
if video_info.has_key("Audio"):
audio_dur = video_info["Audio"]["0"]["duration"]
else:
mediabase.addlog("scan audio no duration [%s] error" % input_file, logname)
out_dur = "NULL"
return out_dur
if abs(int(video_dur) - int(audio_dur))/1000 > int(video_dur)/1000/5: #video and audio len_diff big than 1/5
mediabase.addlog("scan video and audio diff len [%s] error" % input_file, logname)
out_dur = "NULL"
return out_dur
scan_cmd = mediabase.MEDIA_FFMPEG + " -i %s 2>&1 | grep Duration" % ( input_file )
mediabase.addlog("run cmd:%s" % scan_cmd, logname)
result = commands.getstatusoutput(scan_cmd)
if result[0] != 0:
mediabase.addlog( "call function error: %s " % scan_cmd, logname )
out_dur = "NULL"
return out_dur
log_line = result[1].splitlines()
log_list = log_line[0].split()
if "Duration" not in log_list[0]:
out_dur = "NULL"
return out_dur
else:
out_dur = log_list[1].strip(",")
return out_dur
def mediaCodec_get_video_param(self, logname):
'''scan input video'''
ret = 0
scan_result = mediaCodec_scan_param.mediaCodec_scan_param( mediabase.MEDIA_FFPROBE,
self.param["queuefile"], 0, logname)
if scan_result['error_code'] != 0:
mediabase.addlog("scan input video [%s] error" % self.param["queuefile"], logname)
ret = 1
return ret
else:
video_info = scan_result["data"]
if video_info.has_key("Video"):
self.param["input_w"] = video_info["Video"]["0"]["width"]
self.param["input_h"] = video_info["Video"]["0"]["height"]
else:
ret = 1
return ret
return ret
def mediaCodec_encode_pic(self, logname):
'''encode pic'''
result_pic = {}
result_pic["error_code"] = 0
#step1.1: get duration
file_dur = 0
scan_result = mediaCodec_scan_param.mediaCodec_scan_param( mediabase.MEDIA_FFPROBE,
self.param["queuefile"] , 0, logname)
if scan_result['error_code'] != 0:
mediabase.addlog("encode pic: scan input video [%s] error" % self.param["queuefile"], logname)
result_pic["error_code"] = 1
return result_pic
else:
video_info = scan_result["data"]
if video_info.has_key("duration"):
file_dur = int(video_info["duration"]) / 1000
else:
mediabase.addlog("encode pic:scan video no duration [%s] error" % self.param["queuefile"], logname)
result_pic["error_code"] = 1
return result_pic
#step1: cut time
if len(self.param["pic_time"]) != 0:
pic_time_list = self.param["pic_time"].split(";")
else:
mediabase.addlog("input pic time error[%s]!" % (self.param["pic_time"]), logname)
result_pic["error_code"] = 1
return result_pic
#step2: format if not valid use default jpg
if self.param["pic_format"] != "1" and self.param["pic_format"] != "2":
self.param["pic_format"] = "2"
#step3: get default dimension
pic_dimension = "480x320"
if len(self.param["dimension"]) != 0:
pic_dimension_list = self.param["dimension"].split("x")
if len(pic_dimension_list) != 2 or self.param["dimension"].count('.') > 0:
mediabase.addlog("input dimension error[%s]!" % ( self.param["dimension"] ), logname)
result_pic["error_code"] = 1
return result_pic
else:
if pic_dimension_list[0].isdigit() and pic_dimension_list[1].isdigit():
pic_dimension = self.param["dimension"]
else:
mediabase.addlog("input dimension error[%s]!" % ( self.param["dimension"] ), logname)
result_pic["error_code"] = 1
return result_pic
pic_list = []
idx = -1
for i in range( 0, len(pic_time_list) ):
if pic_time_list[i] == "" or pic_time_list[i].count('.') > 0 or not pic_time_list[i].isdigit():
continue
if int(pic_time_list[i]) < 0 or int(pic_time_list[i]) > file_dur:
continue
idx = idx + 1
pic_elem = {}
if self.param["pic_format"] == "1":
pic_name = self.param["output_pic"] + str(idx) + ".png"
else:
pic_name = self.param["output_pic"] + str(idx) + ".jpg"
cmd_str = ""
cmd_str += mediabase.MEDIA_FFMPEG + " -ss %s -i %s " % (pic_time_list[i], self.param["queuefile"])
cmd_str += " -vframes 1 -f image2 -s %s -y %s " % ( pic_dimension, pic_name)
cmd_str += " 2>>%s 1>&2" % ( self.param["tmp_log"] )
ret = mediabase.run_cmd( cmd_str, logname )
if ret != 0:
mediabase.addlog("get pic error[%s]!" % ( pic_time_list[i] ), logname)
result_pic["error_code"] = 1
return result_pic
pic_elem["time"] = pic_time_list[i]
pic_elem["pic"] = pic_name
pic_list.append(pic_elem)
result_pic["data"] = pic_list
return result_pic
