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checkpoint before Latency Estimation
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@vuva
vuva committed May 7, 2021
1 parent ec9a955 commit dc06d04
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Showing 10 changed files with 818 additions and 22 deletions.
4 changes: 4 additions & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -13,3 +13,7 @@

# Dependency directories (remove the comment below to include it)
# vendor/

*.log
*.swp
server/
6 changes: 6 additions & 0 deletions astream/dash_buffer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,7 @@ def __init__(self, video_length, segment_duration):
self.alpha = config_dash.ALPHA_BUFFER_COUNT
self.beta = config_dash.BETA_BUFFER_COUNT
self.segment_limit = None
self.time_limit = None
# Current video buffer that holds the segment data
self.buffer = queue.Queue()
self.buffer_lock = threading.Lock()
Expand Down Expand Up @@ -196,6 +197,11 @@ def initialize_player(self):
self.set_state("STOP")
config_dash.LOG.info("Stopped playback after segment {} at playtime {}".format(
play_segment['segment_number'], self.playback_duration))
if self.time_limit is not None:
if self.playback_timer.time() >= self.time_limit:
self.set_state("STOP")
config_dash.LOG.info("Stopped playback after segment {} at playtime {}".format(
play_segment['segment_number'], self.playback_duration))

def write(self, segment):
""" write segment to the buffer.
Expand Down
34 changes: 18 additions & 16 deletions astream/dash_client.py
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Original file line number Diff line number Diff line change
Expand Up @@ -80,10 +80,10 @@ def get_mpd(url):
except urllib.error.HTTPError as error:
config_dash.LOG.error("Unable to download MPD file HTTP Error: %s" % error.code)
return None
except urllib.error.URLError:
except urllib.error.URLError as error:
error_message = "URLError. Unable to reach Server.Check if Server active"
config_dash.LOG.error(error_message)
print(error_message)
print(error,"\n",error_message)
return None
except IOError as xxx_todo_changeme:
http.client.HTTPException = xxx_todo_changeme
Expand Down Expand Up @@ -130,7 +130,7 @@ def download_segment(segment_url, dash_folder, download=False):
filename = ""
if download:
filename = os.path.join(dash_folder, segment_name)
print(f"SAVING IN {filename}")
print("SAVING IN ", filename)

segment_size = glueConnection.download_segment_PM(segment_url, filename)
if segment_size < 0:
Expand Down Expand Up @@ -190,13 +190,15 @@ def start_playback_smart(dp_object, domain, playback_type=None, download=False,
:return:
"""
glueConnection.startLogging(1000)
# Initialize the DASH buffer
dash_player = dash_buffer.DashPlayer(dp_object.playback_duration, video_segment_duration)
dash_player.start()
# A folder to save the segments in
file_identifier = id_generator()
if download:
os.makedirs(file_identifier)
config_dash.LOG.info("The segments are stored in %s" % file_identifier)
dp_list = defaultdict(defaultdict)
max_segment_count = 0
# Creating a Dictionary of all that has the URLs for each segment and different bitrates
for bitrate in dp_object.video:
# Getting the URL list for each bitrate
Expand All @@ -209,21 +211,12 @@ def start_playback_smart(dp_object, domain, playback_type=None, download=False,
media_urls = [dp_object.video[bitrate].initialization] + dp_object.video[bitrate].url_list
#print "media urls"
#print media_urls
max_segment_count = max(max_segment_count, len(media_urls))
for segment_count, segment_url in enumerate(media_urls, dp_object.video[bitrate].start):
# segment_duration = dp_object.video[bitrate].segment_duration
#print "segment url"
#print segment_url
#print(f"bitrate: {bitrate}, seg_no: {segment_count}, url: {segment_url}")
dp_list[segment_count][bitrate] = segment_url

# HACK! fake equal segment sizes here
video_segment_duration = dp_object.playback_duration / max_segment_count

# Initialize the DASH buffer
dash_player = dash_buffer.DashPlayer(dp_object.playback_duration, video_segment_duration)
dash_player.start()

bitrates = list(dp_object.video.keys())
bitrates.sort()
print(bitrates)
Expand All @@ -243,6 +236,7 @@ def start_playback_smart(dp_object, domain, playback_type=None, download=False,
# Netflix Variables
average_segment_sizes = netflix_rate_map = None
netflix_state = "INITIAL"

# Start playback of all the segments
for segment_number, segment in enumerate(dp_list, dp_object.video[current_bitrate].start):
config_dash.LOG.info(" {}: Processing the segment {}".format(playback_type.upper(), segment_number))
Expand All @@ -251,9 +245,15 @@ def start_playback_smart(dp_object, domain, playback_type=None, download=False,
if SEGMENT_LIMIT:
if not dash_player.segment_limit:
dash_player.segment_limit = int(SEGMENT_LIMIT)
if segment_number > int(SEGMENT_LIMIT):
config_dash.LOG.info("Segment limit reached")

# allow setting a time limit
if TIME_LIMIT is not None:
if not dash_player.time_limit:
dash_player.time_limit = int(TIME_LIMIT)
if segment_number*video_segment_duration > int(TIME_LIMIT):
config_dash.LOG.info("Time limit reached")
break

print("segment_number ={}".format(segment_number))
print("dp_object.video[bitrate].start={}".format(dp_object.video[bitrate].start))
if segment_number == dp_object.video[bitrate].start:
Expand Down Expand Up @@ -503,7 +503,7 @@ def print_interruptions_info():
return
elif len(durations) == 1:
print("only a single interruption encountered")
print(f"length: {durations[0]}")
print("length: ", durations[0])
return

mean = sum(durations) / len(durations)
Expand Down Expand Up @@ -551,6 +551,8 @@ def create_arguments(parser):
help='Force to use a specific bitrate')
parser.add_argument('--fecConfig', default='xor4',
help='FEC configuration to use')
parser.add_argument('-t', '--TIME-LIMIT', type=int, default=None,
help="stop playback after this many seconds")


def main():
Expand Down
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15 changes: 15 additions & 0 deletions caddy/go.sum
100755 → 100644
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRF
github.com/aliyun/alibaba-cloud-sdk-go v0.0.0-20190808125512-07798873deee/go.mod h1:myCDvQSzCW+wB1WAlocEru4wMGJxy+vlxHdhegi1CDQ=
github.com/aliyun/aliyun-oss-go-sdk v0.0.0-20190307165228-86c17b95fcd5/go.mod h1:T/Aws4fEfogEE9v+HPhhw+CntffsBHJ8nXQCwKr0/g8=
github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
github.com/atgjack/prob v0.0.0-20161220081030-6cfd5d401186/go.mod h1:jcFtAU/cfPVlw+osBROIqOot+j0DtiiYooPtznQ5uSc=
github.com/aws/aws-sdk-go v1.23.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
github.com/baiyubin/aliyun-sts-go-sdk v0.0.0-20180326062324-cfa1a18b161f/go.mod h1:AuiFmCCPBSrqvVMvuqFuk0qogytodnVFVSN5CeJB8Gc=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
Expand Down Expand Up @@ -101,6 +102,7 @@ github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
Expand Down Expand Up @@ -232,6 +234,7 @@ github.com/prometheus/procfs v0.0.3/go.mod h1:4A/X28fw3Fc593LaREMrKMqOKvUAntwMDa
github.com/rainycape/memcache v0.0.0-20150622160815-1031fa0ce2f2/go.mod h1:7tZKcyumwBO6qip7RNQ5r77yrssm9bfCowcLEBcU5IA=
github.com/rcrowley/go-metrics v0.0.0-20181016184325-3113b8401b8a/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
github.com/russross/blackfriday v0.0.0-20170610170232-067529f716f4 h1:S9YlS71UNJIyS61OqGAmLXv3w5zclSidN+qwr80XxKs=
github.com/russross/blackfriday v0.0.0-20170610170232-067529f716f4/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
Expand Down Expand Up @@ -262,6 +265,7 @@ github.com/vultr/govultr v0.1.4/go.mod h1:9H008Uxr/C4vFNGLqKx232C206GL0PBHzOP080
github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU=
github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415/go.mod h1:GwrjFmJcFw6At/Gs6z4yjiIwzuJ1/+UwLxMQDVQXShQ=
github.com/xeipuuv/gojsonschema v1.1.0/go.mod h1:5yf86TLmAcydyeJq5YvxkGPE2fm/u4myDekKRoLuqhs=
github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
go.opencensus.io v0.20.1/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
go.opencensus.io v0.20.2/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
Expand All @@ -278,6 +282,7 @@ golang.org/x/crypto v0.0.0-20190829043050-9756ffdc2472 h1:Gv7RPwsi3eZ2Fgewe3CBsu
golang.org/x/crypto v0.0.0-20190829043050-9756ffdc2472/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190911031432-227b76d455e7 h1:0hQKqeLdqlt5iIwVOBErRisrHJAN57yOiPRQItI20fU=
golang.org/x/crypto v0.0.0-20190911031432-227b76d455e7/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200317142112-1b76d66859c6 h1:TjszyFsQsyZNHwdVdZ5m7bjmreu0znc2kRYsEml9/Ww=
golang.org/x/crypto v0.0.0-20200317142112-1b76d66859c6/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
Expand All @@ -286,6 +291,7 @@ golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvx
golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/net v0.0.0-20180611182652-db08ff08e862/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
Expand All @@ -301,10 +307,12 @@ golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3 h1:0GoQqolDA55aaLxZyTzK/Y2eP
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190930134127-c5a3c61f89f3 h1:6KET3Sqa7fkVfD63QnAM81ZeYg5n4HwApOJkufONnHA=
golang.org/x/net v0.0.0-20190930134127-c5a3c61f89f3/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20191027093000-83d349e8ac1a h1:Yu34BogBivvmu7SAzHHaB9nZWH5D1C+z3F1jyIaYZSQ=
golang.org/x/net v0.0.0-20191027093000-83d349e8ac1a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200301022130-244492dfa37a h1:GuSPYbZzB5/dcLNCwLQLsg3obCJtX9IJhpXkvY7kzk0=
golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
Expand All @@ -317,6 +325,7 @@ golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJ
golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190423024810-112230192c58 h1:8gQV6CLnAEikrhgkHFbMAEhagSSnXWGV915qUMm9mrU=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20180622082034-63fc586f45fe/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
Expand Down Expand Up @@ -357,8 +366,12 @@ golang.org/x/tools v0.0.0-20190312170243-e65039ee4138/go.mod h1:LCzVGOaR6xXOjkQ3
golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20200410194907-79a7a3126eef/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7 h1:9zdDQZ7Thm29KFXgAX/+yaf3eVbP7djjWp/dXAppNCc=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/api v0.3.1/go.mod h1:6wY9I6uQWHQ8EM57III9mq/AjF+i8G65rmVagqKMtkk=
google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
Expand All @@ -379,6 +392,7 @@ gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/h2non/gock.v1 v1.0.15/go.mod h1:sX4zAkdYX1TRGJ2JY156cFspQn4yRWn6p9EMdODlynE=
Expand All @@ -405,5 +419,6 @@ honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWh
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.1-2020.1.6/go.mod h1:pyyisuGw24ruLjrr1ddx39WE0y9OooInRzEYLhQB2YY=
rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
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