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Python bindings for librtmp, built with cffi

Project description

python-librtmp

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python-librtmp is a RTMP client library. It uses the implementation provided by librtmp via cffi.

Installation

The latest stable version is available to install using pip

sudo pip install python-librtmp

But you can also get the development version using Git:

git clone git://github.com/chrippa/python-librtmp.git
cd python-librtmp
sudo python setup.py install

Dependencies

  • Python, at least version 2.6 or 3.3.
  • a C compiler capapable of building Python extensions, e.g. gcc
  • librtmp: The library including its headers (librtmp-dev or equivalent)
  • cffi: cffi depends on libffi and its headers (libffi-dev or equivalent)
  • On Python <3.4 the backport of singledispatch is also required.

Windows

python-librtmp (and cffi) has wheel packages (binaries) available on PyPi and can therefore be easily installed with pip 1.4+ without the need to compile anything:

> pip install python-librtmp

(on older pip versions you need to use --use-wheel)
> pip install --use-wheel python-librtmp

Features

Streaming

The most common use case of RTMP is to read a video stream from a server.

import librtmp

# Create a connection
conn = librtmp.RTMP("rtmp://your.server.net/app/playpath", live=True)
# Attempt to connect
conn.connect()
# Get a file-like object to access to the stream
stream = conn.create_stream()
# Read 1024 bytes of data
data = stream.read(1024)

Remote function calls

Here is a example of creating a Python function that can be used to call remote functions:

my_remote_method = conn.remote_method("MyRemoteMethod", block=True)
result = my_remote_method("some argument")

Waiting for the server to call our function:

# This will automatically name the function after it's Python name
@conn.invoke_handler
def my_add(a, b):
    return a + b

# Start waiting for calls
conn.process_packets()

You can also use custom function name instead:

@conn.invoke_handler("MyMath.MyAdd")

Instead of blocking forever when waiting for a call you can specify to wait only for a specific invoke and then stop blocking:

conn.process_packets(invoked_method="MyMath.MyAdd", timeout=30)

History

0.3.0 (2015-05-25)

  • Added update_buffer option (enabled by default) to RTMP.create_stream, which enables a hack to increase throughput.
  • Added a update_buffer method to RTMPStream.
  • We now require at least version 1.0.1 of cffi.

0.2.2 (2015-04-15)

  • Fixed proxy not being used by librtmp.
  • Added support for Cygwin, patch by @schrobby. (#17)

0.2.1 (2014-09-01)

  • Fixed expected bytes type on Python 2.
  • Fixed singledispatch dependency condition.

0.2.0 (2014-04-07)

  • RTMPError now inherits from IOError.
  • Fixed MSVC build.
  • Added librtmp.so.1 to library paths, patch by Athanasios Oikonomou. (#4)
  • Added librtmp.dylib to library paths, patch by Will Donohoe. (#6)

0.1.2 (2013-10-08)

  • Fixed compilation issue on some platforms.
  • Fixed AMF issue on older librtmp versions. (#1)

0.1.1 (2013-09-25)

  • Fixed packaging issues.

0.1.0 (2013-09-23)

  • First release on PyPI.

Project details


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