def isTrimM3u8File(self):
#默认分段时间
if self.VideoDuration <= 120:
DefSegmentTime = 2
elif 120 < self.VideoDuration <= 600:
DefSegmentTime = 4
else:
DefSegmentTime = 10
SuccFlag = True
SegmentTime = DefSegmentTime
self.OptimalSegTime = DefSegmentTime
RunCmdObj = baseclass.runCmd(self.logger, self.VideoFileNameAlias,
self.IsWaterMark, self.IsOverWrite)
#尝试划分240p.mp4
#清理工作目录
RunCmdObj.run(
["rm -rf /tmp/%s/%s" % (self.VideoFileNameAlias, "calst")])
cmd = " cd /tmp/%s/ && mkdir %s &&"
cmd = cmd + " ffmpeg.1.0.1 -i %s.%s -acodec copy -vcodec copy -bsf:v h264_mp4toannexb -f mpegts /tmp/%s/%s/output.ts &&"
cmd = cmd + " cd /tmp/%s/%s/ &&"
cmdstr = cmd % (self.VideoFileNameAlias, "calst", "240p",
self.VideoFormat, self.VideoFileNameAlias, "calst",
self.VideoFileNameAlias, "calst")
cmdstr = cmdstr + " ffmpeg.1.0.1 -i output.ts -vcodec copy -acodec copy -map 0 -f segment -segment_time_delta 0.5 -segment_time %s" % SegmentTime
cmdstr = cmdstr + " -segment_list output.m3u8 -segment_list_type m3u8 -segment_format mpegts output%04d.ts"
RunCmdObj.run([cmdstr])
#得到划分后文件列表,找出最后一段ts文件
TsFileList = os.listdir("/tmp/%s/%s/" %
(self.VideoFileNameAlias, "calst"))
TsFileList.remove("output.m3u8")
TsFileList.sort()
FinalTsFile = TsFileList[len(TsFileList) - 1]
#分析最后一段ts文件是否是正常视频文件
FinalTsFilePath = "/tmp/%s/%s/%s" % (self.VideoFileNameAlias, "calst",
FinalTsFile)
RunCmdObj.run(["ffprobe -show_streams %s" % (FinalTsFilePath)],
QuitFlag=False)
try:
VStreamsList = baseclass.getVideoMetaDList(RunCmdObj.stdout,
"STREAM")
except Exception, e:
VStreamsList = []
def isTrimM3u8File(self):
#默认分段时间
if self.VideoDuration <= 120:
DefSegmentTime = 2
elif 120 < self.VideoDuration <= 600:
DefSegmentTime = 4
else:
DefSegmentTime = 10
SuccFlag = True
SegmentTime = DefSegmentTime
self.OptimalSegTime = DefSegmentTime
RunCmdObj = baseclass.runCmd(self.logger,self.VideoFileNameAlias,self.IsWaterMark,self.IsOverWrite)
#尝试划分240p.mp4
#清理工作目录
RunCmdObj.run(["rm -rf /tmp/%s/%s"%(self.VideoFileNameAlias,"calst")])
cmd = " cd /tmp/%s/ && mkdir %s &&"
cmd = cmd + " ffmpeg.1.0.1 -i %s.%s -acodec copy -vcodec copy -bsf:v h264_mp4toannexb -f mpegts /tmp/%s/%s/output.ts &&"
cmd = cmd + " cd /tmp/%s/%s/ &&"
cmdstr = cmd%(self.VideoFileNameAlias,"calst","240p",self.VideoFormat,self.VideoFileNameAlias,"calst",self.VideoFileNameAlias,"calst")
cmdstr = cmdstr + " ffmpeg.1.0.1 -i output.ts -vcodec copy -acodec copy -map 0 -f segment -segment_time_delta 0.5 -segment_time %s"%SegmentTime
cmdstr = cmdstr + " -segment_list output.m3u8 -segment_list_type m3u8 -segment_format mpegts output%04d.ts"
RunCmdObj.run([cmdstr])
#得到划分后文件列表,找出最后一段ts文件
TsFileList = os.listdir("/tmp/%s/%s/"%(self.VideoFileNameAlias,"calst"))
TsFileList.remove("output.m3u8")
TsFileList.sort()
FinalTsFile = TsFileList[len(TsFileList)-1]
#分析最后一段ts文件是否是正常视频文件
FinalTsFilePath = "/tmp/%s/%s/%s"%(self.VideoFileNameAlias,"calst",FinalTsFile)
RunCmdObj.run(["ffprobe -show_streams %s"%(FinalTsFilePath)],QuitFlag=False)
try:
VStreamsList = baseclass.getVideoMetaDList(RunCmdObj.stdout,"STREAM")
except Exception,e:
VStreamsList = []
# BitRate : 总码率 # VideoBitRate : 视频流码率 # AudioBitRate : 音频流码率 # VideoFrameWidth : 视频帧宽度值 # VideoFrameHeight : 视频帧高度值 # VideoDuration : 视频时长 # VideoSize : 视频大小 # VideoCode : 视频编码方式 # AudioCode : 音频编码方式 # AudioSampleRate : 音频采样率 # AudioChannels : 音频声道,单声道或双声道. # --/ RunCmdObj.run(["%s -show_format %s"%(FFPROBE,VideoFilePath)]) VFormatList = baseclass.getVideoMetaDList(RunCmdObj.stdout,"FORMAT") VFormatDict = VFormatList[0] VideoSize = int(VFormatDict["size"]) BitRate = VFormatDict["bit_rate"] VideoDuration = float(VFormatDict["duration"]) StreamNum = int(VFormatDict["nb_streams"]) RunCmdObj.run(["%s -show_streams %s"%(FFPROBE,VideoFilePath)]) VStreamsList = baseclass.getVideoMetaDList(RunCmdObj.stdout,"STREAM") # --/ # 依据视频文件包含的流个数和类型进行处理
# 以下信息由调用系统命令'ffprobe -show_format' , 'ffprobe -show_streams'获得.
# BitRate : 总码率
# VideoBitRate : 视频流码率
# AudioBitRate : 音频流码率
# VideoFrameWidth : 视频帧宽度值
# VideoFrameHeight : 视频帧高度值
# VideoDuration : 视频时长
# VideoSize : 视频大小
# VideoCode : 视频编码方式
# AudioCode : 音频编码方式
# AudioSampleRate : 音频采样率
# AudioChannels : 音频声道,单声道或双声道.
# --/
RunCmdObj.run(["%s -show_format %s" % (FFPROBE, VideoFilePath)])
VFormatList = baseclass.getVideoMetaDList(RunCmdObj.stdout, "FORMAT")
VFormatDict = VFormatList[0]
VideoSize = int(VFormatDict["size"])
BitRate = VFormatDict["bit_rate"]
VideoDuration = float(VFormatDict["duration"])
StreamNum = int(VFormatDict["nb_streams"])
RunCmdObj.run(["%s -show_streams %s" % (FFPROBE, VideoFilePath)])
VStreamsList = baseclass.getVideoMetaDList(RunCmdObj.stdout, "STREAM")
# --/
# 依据视频文件包含的流个数和类型进行处理
# --/
def isTrimM3u8File(self):
#默认分段时间
if self.VideoDuration <= 120:
DefSegmentTime = 2
elif 120 < self.VideoDuration <= 600:
DefSegmentTime = 4
else:
DefSegmentTime = 10
SuccFlag = True
SegmentTime = DefSegmentTime
self.OptimalSegTime = DefSegmentTime
RunCmdObj = baseclass.runCmd(self.logger,self.VideoFileNameAlias,self.IsWaterMark,self.IsOverWrite)
#尝试划分240p.mp4
#清理工作目录
RunCmdObj.run(["rm -rf /tmp/%s/%s"%(self.VideoFileNameAlias,"calst")])
cmd = " cd /tmp/%s/ && mkdir %s &&"
cmd = cmd + " ffmpeg -i %s.%s -acodec copy -vcodec copy -bsf:v h264_mp4toannexb -f mpegts /tmp/%s/%s/output.ts &&"
cmd = cmd + " cd /tmp/%s/%s/ &&"
cmdstr = cmd%(self.VideoFileNameAlias,"calst","240p",self.VideoFormat,self.VideoFileNameAlias,"calst",self.VideoFileNameAlias,"calst")
cmdstr = cmdstr + " ffmpeg -i output.ts -vcodec copy -acodec copy -map 0 -f segment -segment_time_delta 0.5 -segment_time %s"%SegmentTime
cmdstr = cmdstr + " -segment_list output.m3u8 -segment_list_type m3u8 -segment_format mpegts output%04d.ts"
RunCmdObj.run([cmdstr])
#得到划分后文件列表,找出最后一段ts文件
TsFileList = os.listdir("/tmp/%s/%s/"%(self.VideoFileNameAlias,"calst"))
TsFileList.remove("output.m3u8")
TsFileList.sort()
FinalTsFile = TsFileList[len(TsFileList)-1]
#分析最后一段ts文件是否是正常视频文件
FinalTsFilePath = "/tmp/%s/%s/%s"%(self.VideoFileNameAlias,"calst",FinalTsFile)
RunCmdObj.run(["ffprobe -show_streams %s"%(FinalTsFilePath)])
VStreamsList = baseclass.getVideoMetaDList(RunCmdObj.stdout,"STREAM")
VStream = 0
AStream = 0
if len(VStreamsList) == 2:
for i in range(2):
if VStreamsList[i]["codec_type"] == "video":
VStream = VStream + 1
if VStream == 1:
VStreamsVDict = VStreamsList[i]
if VStreamsList[i]["codec_type"] == "audio":
AStream = AStream + 1
if AStream == 1:
VStreamsADict = VStreamsList[i]
if VStream == 1 and AStream == 1:
#最后一段ts文件视频流正常,音频流异常.
audio_sample_rate = VStreamsADict["sample_rate"]
audio_channels = VStreamsADict["channels"]
audio_bit_rate = VStreamsADict["bit_rate"]
if audio_sample_rate == 0 or audio_channels == 0 or audio_bit_rate == "N/A":
SuccFlag = False
elif VStream == 2 and AStream == 0:
#最后一段ts文件只有视频流,无音频流.
SuccFlag = False
else:
#最后一段ts文件只有音频流,无视频流.
SuccFlag = False
elif len(VStreamsList) == 1:
#最后一段ts文件只包含一个流
SuccFlag = False
else:
#最后一段ts文件包含大于2个流
SuccFlag = False
if SuccFlag == False:
self.TrimM3u8Flag = True
self.logger.info("Final TS segment file have problem,Need trim m3u8 file")
#清理工作目录
RunCmdObj.run(["rm -rf /tmp/%s/%s"%(self.VideoFileNameAlias,"calst")])
@author: wye Copyright @ 2011 - 2012 Cloudiya Tech . Inc ''' import sys import baseclass FFPROBE="/usr/local/bin/ffprobe" # Stream file path StreamFilepath = sys.argv[1] # Video file Name Alias VideoAliasName = sys.argv[2] # Stream Property name PropertyFlag = sys.argv[3] logger = baseclass.getlog(VideoAliasName) RunCmdObj = baseclass.runCmd(logger,VideoAliasName,False,False) RunCmdObj.run(["%s -show_format %s"%(FFPROBE,StreamFilepath)]) VFormatList = baseclass.getVideoMetaDList(RunCmdObj.stdout,"FORMAT") VFormatDict = VFormatList[0] if PropertyFlag == "ab":print(VFormatDict["bit_rate"])
def isTrimM3u8File(self):
#默认分段时间
if self.VideoDuration <= 120:
DefSegmentTime = 2
elif 120 < self.VideoDuration <= 600:
DefSegmentTime = 4
else:
DefSegmentTime = 10
SuccFlag = True
SegmentTime = DefSegmentTime
self.OptimalSegTime = DefSegmentTime
RunCmdObj = baseclass.runCmd(self.logger, self.VideoFileNameAlias,
self.IsWaterMark, self.IsOverWrite)
#尝试划分240p.mp4
#清理工作目录
RunCmdObj.run(
["rm -rf /tmp/%s/%s" % (self.VideoFileNameAlias, "calst")])
cmd = " cd /tmp/%s/ && mkdir %s &&"
cmd = cmd + " ffmpeg -i %s.%s -acodec copy -vcodec copy -bsf:v h264_mp4toannexb -f mpegts /tmp/%s/%s/output.ts &&"
cmd = cmd + " cd /tmp/%s/%s/ &&"
cmdstr = cmd % (self.VideoFileNameAlias, "calst", "240p",
self.VideoFormat, self.VideoFileNameAlias, "calst",
self.VideoFileNameAlias, "calst")
cmdstr = cmdstr + " ffmpeg -i output.ts -vcodec copy -acodec copy -map 0 -f segment -segment_time_delta 0.5 -segment_time %s" % SegmentTime
cmdstr = cmdstr + " -segment_list output.m3u8 -segment_list_type m3u8 -segment_format mpegts output%04d.ts"
RunCmdObj.run([cmdstr])
#得到划分后文件列表,找出最后一段ts文件
TsFileList = os.listdir("/tmp/%s/%s/" %
(self.VideoFileNameAlias, "calst"))
TsFileList.remove("output.m3u8")
TsFileList.sort()
FinalTsFile = TsFileList[len(TsFileList) - 1]
#分析最后一段ts文件是否是正常视频文件
FinalTsFilePath = "/tmp/%s/%s/%s" % (self.VideoFileNameAlias, "calst",
FinalTsFile)
RunCmdObj.run(["ffprobe -show_streams %s" % (FinalTsFilePath)])
VStreamsList = baseclass.getVideoMetaDList(RunCmdObj.stdout, "STREAM")
VStream = 0
AStream = 0
if len(VStreamsList) == 2:
for i in range(2):
if VStreamsList[i]["codec_type"] == "video":
VStream = VStream + 1
if VStream == 1:
VStreamsVDict = VStreamsList[i]
if VStreamsList[i]["codec_type"] == "audio":
AStream = AStream + 1
if AStream == 1:
VStreamsADict = VStreamsList[i]
if VStream == 1 and AStream == 1:
#最后一段ts文件视频流正常,音频流异常.
audio_sample_rate = VStreamsADict["sample_rate"]
audio_channels = VStreamsADict["channels"]
audio_bit_rate = VStreamsADict["bit_rate"]
if audio_sample_rate == 0 or audio_channels == 0 or audio_bit_rate == "N/A":
SuccFlag = False
elif VStream == 2 and AStream == 0:
#最后一段ts文件只有视频流,无音频流.
SuccFlag = False
else:
#最后一段ts文件只有音频流,无视频流.
SuccFlag = False
elif len(VStreamsList) == 1:
#最后一段ts文件只包含一个流
SuccFlag = False
else:
#最后一段ts文件包含大于2个流
SuccFlag = False
if SuccFlag == False:
self.TrimM3u8Flag = True
self.logger.info(
"Final TS segment file have problem,Need trim m3u8 file")
#清理工作目录
RunCmdObj.run(
["rm -rf /tmp/%s/%s" % (self.VideoFileNameAlias, "calst")])
