chenlin/Mujoco_WASM
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Update docs on the video recordings's resolution

Browse Source 
This fixes the the ffmpeg command to correspond to the default humanoid.xml resolution (2560x1440).
This commit is contained in:
Jan Margeta
2024-03-06 18:32:15 +01:00
parent b475337e02
commit fe2215384b
1 changed files with 6 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
doc/programming/samples.rst
+6 -5
View File
@@ -150,16 +150,17 @@ This code sample simulates the passive dynamics of a given model, renders it off
values, and saves them into a raw data file that can then be converted into a movie file with tools such as ffmpeg. The values, and saves them into a raw data file that can then be converted into a movie file with tools such as ffmpeg. The
rendering is simplified compared to :ref:`simulate.cc <saSimulate>` because there is no user interaction, visualization rendering is simplified compared to :ref:`simulate.cc <saSimulate>` because there is no user interaction, visualization
options or timing; instead we simply render with the default settings as fast as possible. The dimensions and number of options or timing; instead we simply render with the default settings as fast as possible. The dimensions and number of
multi-samples for the offscreen buffer are specified in the MuJoCo model, while the simulation duration, frames-per- multi-samples for the offscreen buffer are specified in the MuJoCo model with the visual/global/{offwidth,offheight}
second to be rendered (usually much less than the physics simulation rate), and output file name are specified as attributes, while the simulation duration, frames-per-second to be rendered (usually much less than the physics
command-line arguments. For example, a 5 second animation at 60 frames per second is created with: simulation rate), and output file name are specified as command-line arguments.
.. code-block:: Shell .. code-block:: Shell
record humanoid.xml 5 60 rgb.out record humanoid.xml 5 60 rgb.out
The default humanoid.xml model specifies offscreen rendering with 800x800 resolution. With this information in hand, we The default humanoid.xml model specifies offscreen rendering with 2560x1440 resolution. With this information in hand,
can compress the (large) raw date file into a playable movie file: we can compress the (large) raw date file into a playable movie file:
.. code-block:: Shell .. code-block:: Shell
ffmpeg -f rawvideo -pixel_format rgb24 -video_size 2560x1440 ffmpeg -f rawvideo -pixel_format rgb24 -video_size 2560x1440