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Update extract_frames.py #4

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Update extract_frames.py #4

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7 changes: 5 additions & 2 deletions tools/extract_frames.py
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,8 @@ def extract_frames(source_dir, target_dir):
os.makedirs(target_class_dir)

for each_video in videos:
source_video_name = os.path.join(source_class_dir, each_video)
# source_video_name = os.path.join(source_class_dir, each_video) # this only get the folder name
source_video_name_ = os.path.join(source_video_name, os.listdir(source_video_name)[0]) # this can get the mp4 name
video_prefix = each_video.split('.')[0]
target_video_frames_folder = os.path.join(target_class_dir, video_prefix)
if not os.path.exists(target_video_frames_folder):
Expand All @@ -37,8 +38,10 @@ def extract_frames(source_dir, target_dir):

try:
# change videos to 30 fps and extract video frames
#subprocess.call('ffmpeg -nostats -loglevel 0 -i "%s" -filter:v fps=fps=30 -s 340x256 -q:v 2 "%s"' %
# (source_video_name, target_frames), shell=True)
subprocess.call('ffmpeg -nostats -loglevel 0 -i "%s" -filter:v fps=fps=30 -s 340x256 -q:v 2 "%s"' %
(source_video_name, target_frames), shell=True)
(source_video_name_, target_frames), shell=True)

# sanity check video frames
video_frames = os.listdir(target_video_frames_folder)
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