y4m 1.1.1

YUV4MPEG2 (.y4m) Reader/Writer


tested with python-2.7, python-3.3 and python3.4


```python
import sys
import y4m


def process_frame(frame):
# do something with the frame
pass


if __name__ == '__main__':

parser = y4m.Reader(process_frame, verbose=True)
# simulate chunk of data
infd = sys.stdin
if sys.hexversion >= 0x03000000: # Python >= 3
infd = sys.stdin.buffer

with infd as f:
while True:
data = f.read(1024)
if not data:
break
parser.decode(data)
```