def play(video, offset, duration, volume, speed):
"""
:type video: youtube.Video
:type offset: int
:type duration: int
:type volume: int
:type speed: Speed
"""
logger.info("play(video=%s, offset=%s, duration=%s, volume=%s, speed=%s)",video,offset,duration,volume, speed)
# Inialise videocache.
videocache.init()
# Enforce minimum duration to make sure have time for OMXPlayer to start up
# and begin playing.
if duration < MIN_DURATION:
duration = MIN_DURATION
logger.info("Enforcing minimum duration of %s seconds" % MIN_DURATION)
if pyomxplayer.is_omxplayer_available():
video_path = videocache.get(video)
logger.info("OMXPlayer(%s)" % video_path)
p = pyomxplayer.OMXPlayer(video_path)
# Delaying changes to give OMXPlayer time to set up and be ready to accept input
time.sleep(OMXPLAYER_START_UP)
p.seek(offset)
p.set_volume(volume)
p.set_speed(speed)
time.sleep(duration-OMXPLAYER_START_UP)
p.stop()
else:
logger.info("OMXPlayer not available, calling `time.sleep`.")
time.sleep(duration)
def test_get_performance(self):
videocache.init()
videocache.clear()
# Test data.
# Randomly choose subset of videos.
videos_sample = random.sample(VIDEOS, 5)
# Test not cached time.
for video in videos_sample:
t0 = timeit.default_timer()
video_path = videocache.get(video)
t1 = timeit.default_timer()
self.assertVideoReady(video_path)
self.assertOkNotCachedGetTime(t0, t1)
# Offset downloads.
time.sleep(2)
# Test cached time.
for video in videos_sample:
t0 = timeit.default_timer()
video_path = videocache.get(video)
t1 = timeit.default_timer()
self.assertVideoReady(video_path)
self.assertOkCachedGetTime(t0, t1)
# Offset downloads.
time.sleep(2)
def test_preload(self):
import app.api.youtube
from app.models import examples
videocache.init()
# Every video value that occurs in an example or the editor interface.
seed_videos_urls = [
examples.GANGNAM_STYLE,
examples.SURPRISE,
examples.FREEFALL,
examples.PEP_TALK,
examples.ROPE_SWING,
examples.FIREWORKS,
examples.MAC_ASKILL,
examples.CAMBRIDGE_HARLEM
]
seed_videos = map(Video.from_web_url, seed_videos_urls)
# Derive set of videos likely to be returned by related to.
related_videos = set()
for seed_video in seed_videos:
related_videos |= set(seed_video.related())
videocache.prime(seed_videos)
videocache.prime(related_videos)
def play(video, offset, duration, volume, speed):
"""
:type video: youtube.Video
:type offset: int
:type duration: int
:type volume: int
:type speed: Speed
"""
logger.info("play(video=%s, offset=%s, duration=%s, volume=%s, speed=%s)",
video, offset, duration, volume, speed)
# Inialise videocache.
videocache.init()
# Enforce minimum duration to make sure have time for OMXPlayer to start up
# and begin playing.
if duration < MIN_DURATION:
duration = MIN_DURATION
logger.info("Enforcing minimum duration of %s seconds" % MIN_DURATION)
if pyomxplayer.is_omxplayer_available():
video_path = videocache.get(video)
logger.info("OMXPlayer(%s)" % video_path)
p = pyomxplayer.OMXPlayer(video_path)
# Delaying changes to give OMXPlayer time to set up and be ready to accept input
time.sleep(OMXPLAYER_START_UP)
p.seek(offset)
p.set_volume(volume)
p.set_speed(speed)
time.sleep(duration - OMXPLAYER_START_UP)
p.stop()
else:
logger.info("OMXPlayer not available, calling `time.sleep`.")
time.sleep(duration)
def test_clear(self):
videocache.init()
videocache.clear()