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Add graphs in examples readme

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Karl Kroening 2018-06-30 02:32:42 -07:00 committed by GitHub
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examples/README.md
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@ -9,8 +9,42 @@ width = int(video_stream['width'])
height = int(video_stream['height'])
```
## [Generate thumbnail for video](https://github.com/kkroening/ffmpeg-python/blob/master/examples/get_video_thumbnail.py#L21)
<img src="https://raw.githubusercontent.com/kkroening/ffmpeg-python/master/examples/graphs/get_video_thumbnail.png" alt="get-video-thumbnail graph" width="30%" />
```python
(
ffmpeg
.input(in_filename, ss=time)
.filter_('scale', width, -1)
.output(out_filename, vframes=1)
.run()
)
```
## Process audio and video simultaneously
<img src="https://raw.githubusercontent.com/kkroening/ffmpeg-python/master/examples/graphs/av-pipeline.png" alt="av-pipeline graph" width="80%" />
```python
in1 = ffmpeg.input('in1.mp4')
in2 = ffmpeg.input('in2.mp4')
v1 = in1['v'].hflip()
a1 = in1['a']
v2 = in2['v'].filter_('reverse').filter_('hue', s=0)
a2 = in2['a'].filter_('areverse').filter_('aphaser')
joined = ffmpeg.concat(v1, a1, v2, a2, v=1, a=1).node
v3 = joined[0]
a3 = joined[1].filter_('volume', 0.8)
out = ffmpeg.output(v3, a3, 'out.mp4')
out.run()
```
## [Convert video to numpy array](https://github.com/kkroening/ffmpeg-python/blob/master/examples/ffmpeg-numpy.ipynb)
<img src="https://raw.githubusercontent.com/kkroening/ffmpeg-python/master/examples/graphs/ffmpeg-numpy.png" alt="ffmpeg-numpy graph" width="20%" />
```python
out, _ = (
ffmpeg
@ -25,18 +59,10 @@ video = (
)
```
## [Generate thumbnail for video](https://github.com/kkroening/ffmpeg-python/blob/master/examples/get_video_thumbnail.py#L21)
```python
(
ffmpeg
.input(in_filename, ss=time)
.filter_('scale', width, -1)
.output(out_filename, vframes=1)
.run()
)
```
## [Read single video frame as jpeg through pipe](https://github.com/kkroening/ffmpeg-python/blob/master/examples/read_frame_as_jpeg.py#L16)
<img src="https://raw.githubusercontent.com/kkroening/ffmpeg-python/master/examples/graphs/read_frame_as_jpeg.png" alt="read-frame-as-jpeg graph" width="30%" />
```python
out, _ = (
ffmpeg
@ -48,6 +74,9 @@ out, _ = (
```
## [Convert sound to raw PCM audio](https://github.com/kkroening/ffmpeg-python/blob/master/examples/transcribe.py#L23)
<img src="https://raw.githubusercontent.com/kkroening/ffmpeg-python/master/examples/graphs/transcribe.png" alt="transcribe graph" width="30%" />
```python
out, _ = (ffmpeg
.input(in_filename, **input_kwargs)
@ -57,21 +86,6 @@ out, _ = (ffmpeg
)
```
## Process audio and video simultaneously
```python
in1 = ffmpeg.input('in1.mp4')
in2 = ffmpeg.input('in2.mp4')
v1 = in1['v'].hflip()
a1 = in1['a']
v2 = in2['v'].filter_('reverse').filter_('hue', s=0)
a2 = in2['a'].filter_('areverse').filter_('aphaser')
joined = ffmpeg.concat(v1, a1, v2, a2, v=1, a=1).node
v3 = joined[0]
a3 = joined[1].filter_('volume', 0.8)
out = ffmpeg.output(v3, a3, 'out.mp4')
out.run()
```
## [Jupyter Frame Viewer](https://github.com/kkroening/ffmpeg-python/blob/master/examples/ffmpeg-numpy.ipynb)
<img src="https://raw.githubusercontent.com/kkroening/ffmpeg-python/master/doc/jupyter-screenshot.png" alt="jupyter screenshot" width="75%" />