Merge pull request #98 from kkroening/example-graphs

Add example graphs

examples/README.md

@@ -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%" />