def main(flags):
vid_uri = flags.pango
vout_uri = flags.pangoOut
vid = pango.VideoInput(vid_uri)
vout = pango.VideoOutput(vout_uri) if vout_uri else None
device_properties = vid.DeviceProperties()
# print metadata
print("Opened video uri: '{}' with {} x {} dimensions".format(
vid_uri, vid.Width(), vid.Height()))
# user specified initial frame
vid.Seek(flags.startFrame)
# show each frame
streamsBitDepth = vid.GetStreamsBitDepth()
for frame in vid:
if vout:
vout.WriteStreams(frame, streamsBitDepth, vid.FrameProperties(),
device_properties)
# frame is a list of Images! One per stream
# process(frame)
# printing
sys.stdout.write('\rframe: {} / {}'.format(vid.GetCurrentFrameId(),
vid.GetTotalFrames()))
print('\nDONE')
def main(flags):
vid_uri = flags.pango
vout_uri = flags.pangoOut
stream = flags.stream
if vout_uri is None:
vout_uri = "pango://out.pango"
vid = pango.VideoInput(vid_uri)
print(vid.GetCurrentFrameId())
vout = pango.VideoOutput(vout_uri)
# print metadata
print("Opened video uri: '{}' with {} x {} dimensions".format(
vid_uri, vid.Width(), vid.Height()))
fmt = vid.PixFormat()
print("format: channels: {}, channel_bits: {}, planar: {}".format(
fmt.channels, fmt.bpp, fmt.planar))
# user specified initial frame
vid.Seek(flags.startFrame)
if flags.endFrame is None:
flags.endFrame = vid.GetTotalFrames()
# initialize display
numStreams = vid.GetNumStreams()
streams = [stream] if stream else list(range(numStreams))
assert streams[
-1] < numStreams, 'specified stream {} is out of bnd'.format(stream)
fig, axes = plt.subplots(len(streams),
1,
figsize=(12, 12 * len(streams)),
squeeze=False)
fig.show()
# show each frame
streamsBitDepth = vid.GetStreamsBitDepth()
print('streamsBitDepth', streamsBitDepth)
while (vid.GetCurrentFrameId() < flags.endFrame):
# grab the next frame
allStreams = vid.Grab()
vout.WriteStreams(allStreams, streamsBitDepth)
for i, s in enumerate(streams):
arr = allStreams[s]
# print(arr.shape)
axes[i, 0].cla()
if arr.shape[-1] == 1:
axes[i, 0].imshow(np.squeeze(arr), cmap='Greys')
else:
axes[i, 0].imshow(arr)
# update figures
fig.canvas.draw()
# printing
if vid.GetCurrentFrameId() % 10 == 0:
print('frame: {} / {}'.format(vid.GetCurrentFrameId(),
vid.GetTotalFrames()))
def main(flags):
vid_uri = flags.pango
vout_uri = flags.pangoOut
stream = flags.stream
if vout_uri is None:
vout_uri = "pango://demo.pango"
vid = pango.VideoInput(vid_uri)
vout = pango.VideoOutput(vout_uri)
# print metadata
print("Opened video uri: '{}' with {} x {} dimensions".format(
vid_uri, vid.Width(), vid.Height()))
fmt = vid.PixFormat()
print("format: channels: {}, channel_bits: {}, planar: {}".format(
fmt.channels, fmt.bpp, fmt.planar))
# initialize display
allStreams = vid.Grab()
numstreams = len(allStreams)
streams = [stream] if stream else list(range(numstreams))
assert streams[
-1] < numstreams, 'specified stream {} is out of bnd'.format(stream)
fig, axes = plt.subplots(len(streams),
1,
figsize=(12, 12 * len(streams)),
squeeze=False)
fig.show()
# show each frame
frameCounter = 0
while (allStreams):
# if frameCounter > 20:
# break
vout.WriteStreams(allStreams)
for i, s in enumerate(streams):
arr = allStreams[s]
# print(arr.shape)
axes[i, 0].cla()
if arr.shape[-1] == 1:
axes[i, 0].imshow(np.squeeze(arr), cmap='Greys')
else:
axes[i, 0].imshow(arr)
# grab the next frame
allStreams = vid.Grab()
frameCounter += 1
# update figures
fig.canvas.draw()
# printing
if frameCounter % 10 == 0:
print('frame: {}'.format(frameCounter))
def main(flags):
vid_uri = flags.pango
vout_uri = flags.pangoOut
stream = flags.stream
if vout_uri is None:
vout_uri = "pango://out.pango"
vid = pango.VideoInput(vid_uri)
print(vid.GetCurrentFrameId())
vout = pango.VideoOutput(vout_uri)
# print metadata
print("Opened video uri: '{}' with {} x {} dimensions".format(
vid_uri,vid.Width(),vid.Height()))
fmt = vid.PixFormat()
print("format: channels: {}, channel_bits: {}, planar: {}".format(
fmt.channels, fmt.bpp, fmt.planar))
# user specified initial frame
vid.Seek(flags.startFrame)
if flags.endFrame is None:
flags.endFrame = vid.GetTotalFrames()
# initialize display
numStreams = vid.GetNumStreams()
streams = [stream] if stream else list(range(numStreams))
assert streams[-1] < numStreams, 'specified stream {} is out of bnd'.format(stream)
fig, axes = plt.subplots(len(streams), 1, figsize=(12, 12*len(streams)), squeeze=False)
fig.show()
# show each frame
streamsBitDepth = vid.GetStreamsBitDepth()
print('streamsBitDepth', streamsBitDepth)
# To run over the whole sequence (starting from seeked frame) you could simply use:
# for frame in vid:
# ...
for i, frame in zip(range(flags.startFrame, flags.endFrame), vid):
# Alternatively, frames can be grabbed manually until the returned list is empty:
# frame = vid.Grab()
vout.WriteStreams(frame, streamsBitDepth);
for i, s in enumerate(streams):
arr = frame[s]
# print(arr.shape)
axes[i,0].cla()
if arr.shape[-1] == 1:
axes[i,0].imshow(np.squeeze(arr), cmap='Greys')
else:
axes[i,0].imshow(arr)
# update figures
fig.canvas.draw()
# printing
print('frame: {} / {}'.format(
vid.GetCurrentFrameId(), vid.GetTotalFrames()),
end='\r', flush=True)