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This is a mpegcoder adapted from FFmpeg & Python-c-api.Using it you could get access to processing video easily. Just use it as a common module in python like this.

 import mpegCoder

Noted that this API need you to install numpy.

An example of decoding a video in an arbitrary format:

 d = mpegCoder.MpegDecoder() d.FFmpegSetup(b'inputVideo.mp4') p = d.ExtractGOP(10) # Get a gop of current video by setting the start position of 10th frame. p = d.ExtractGOP() # Get a gop of current video, using the current position after the last ExtractGOP. d.ExtractFrame(100, 100) # Extract 100 frames from the begining of 100th frame.

An example of transfer the coding of a video with an assigned codec:

  d = mpegCoder.MpegDecoder() d.FFmpegSetup(b'i.avi') e = mpegCoder.MpegEncoder() e.setParameter(decoder=d, codecName=b'libx264', videoPath=b'o.mp4') # inherit most of parameters from the decoder. opened = e.FFmpegSetup() # Load the encoder. if opened: # If encoder is not loaded successfully, do not continue. p = True while p is not None: p = d.ExtractGOP() # Extract current GOP. for i in p: # Select every frame. e.EncodeFrame(i) # Encode current frame. e.FFmpegClose() # End encoding, and flush all frames in cache. d.clear() # Close the input video.

For more instructions, you could tap help(mpegCoder).

Thanks to God, we succeed in this work!

A new version is avaliable for Linux. To implement this tool, you need to install some libraries firstly:

• python3.5

• numpy 1.13

If you want, you could install ffmpeg on Linux: Here are some instructions

1. Check every pack which ffmpeg needs here: Dependency of FFmpeg

2. Use these steps to install ffmpeg instead of provided commands on the above site.

 $ git clone https://git.ffmpeg.org/ffmpeg.git $ cd ffmpeg $ ./configure --prefix=host --enable-gpl --enable-shared --disable-static --disable-doc $ make $ make install

1. Realize the encoder totally.

2. Provide a global option dumpLevel to control the log shown in the screen.

3. Fix bugs in initalize functions.

1. Provide an incomplete version of encoder, which could encode frames as a video stream that could not be played by player.

1. Fix a severe bug of the decoder, which causes the memory collapsed if decoding a lot of frames.

1. Use numpy array to replace the native pyList, which improves the speed significantlly.

1. Provide the decoder which could decode videos in arbitrary formats and arbitrary coding.

• libavcodec.so.58.6.103
• libavformat.so.58.3.100
• libavutil.so.56.5.100
• libswresample.so.3.0.101
• libswscale.so.5.0.101