def stepFrame(self, framerate, frames_offset):
"""Seeks backwards or forwards the specified amount of frames.
This clamps the playhead to the project frames.
Args:
frames_offsets (int): The number of frames to step. Negative number
for stepping backwards.
"""
try:
position = self.getPosition()
except PipelineError:
self.warning(
"Couldn't get position (you're framestepping too quickly), ignoring this request")
return
cur_frame = int(
round(position * framerate.num / float(Gst.SECOND * framerate.denom), 2))
new_frame = cur_frame + frames_offset
new_pos = int(new_frame * Gst.SECOND * framerate.denom / framerate.num) + \
int((Gst.SECOND * framerate.denom / framerate.num) / 2)
Loggable.info(self, "From frame %d to %d at %f fps, seek to %s s",
cur_frame,
new_frame,
framerate.num / framerate.denom,
new_pos / float(Gst.SECOND))
self.simple_seek(new_pos)
def stepFrame(self, framerate, frames_offset):
"""Seeks backwards or forwards the specified amount of frames.
This clamps the playhead to the project frames.
Args:
frames_offsets (int): The number of frames to step. Negative number
for stepping backwards.
"""
try:
position = self.getPosition()
except PipelineError:
self.warning(
"Couldn't get position (you're framestepping too quickly), ignoring this request")
return
cur_frame = int(
round(position * framerate.num / float(Gst.SECOND * framerate.denom), 2))
new_frame = cur_frame + frames_offset
new_pos = int(new_frame * Gst.SECOND * framerate.denom / framerate.num) + \
int((Gst.SECOND * framerate.denom / framerate.num) / 2)
Loggable.info(self, "From frame %d to %d at %f fps, seek to %s s",
cur_frame,
new_frame,
framerate.num / framerate.denom,
new_pos / float(Gst.SECOND))
self.simple_seek(new_pos)
def stepFrame(self, framerate, frames_offset):
"""
Seek backwards or forwards a certain amount of frames (frames_offset).
This clamps the playhead to the project frames.
"""
cur_frame = int(round(self.getPosition() * framerate.num / float(Gst.SECOND * framerate.denom), 2))
new_frame = cur_frame + frames_offset
new_pos = long(new_frame * Gst.SECOND * framerate.denom / framerate.num)
Loggable.info(self, "From frame %d to %d at %f fps, seek to %s s" % (cur_frame,
new_frame, framerate.num / framerate.denom,
new_pos / float(Gst.SECOND)))
self.simple_seek(new_pos)
def stepFrame(self, framerate, frames_offset):
"""
Seek backwards or forwards a certain amount of frames (frames_offset).
This clamps the playhead to the project frames.
"""
cur_frame = int(
round(
self.getPosition() * framerate.num /
float(Gst.SECOND * framerate.denom), 2))
new_frame = cur_frame + frames_offset
new_pos = long(new_frame * Gst.SECOND * framerate.denom /
framerate.num)
Loggable.info(
self, "From frame %d to %d at %f fps, seek to %s s" %
(cur_frame, new_frame, framerate.num / framerate.denom,
new_pos / float(Gst.SECOND)))
self.simple_seek(new_pos)
def stepFrame(self, framerate, frames_offset):
"""
Seek backwards or forwards a certain amount of frames (frames_offset).
This clamps the playhead to the project frames.
"""
try:
position = self.getPosition()
except PipelineError:
self.warning("Couldn't get position (you're framestepping too quickly), ignoring this request")
return
cur_frame = int(round(position * framerate.num / float(Gst.SECOND * framerate.denom), 2))
new_frame = cur_frame + frames_offset
new_pos = long(new_frame * Gst.SECOND * framerate.denom / framerate.num)
Loggable.info(self, "From frame %d to %d at %f fps, seek to %s s" % (cur_frame,
new_frame, framerate.num / framerate.denom,
new_pos / float(Gst.SECOND)))
self.simple_seek(new_pos)
