Table 18. Video Module Controls; Figure 55. Video Player Module Startup - ST STM32CubeF4 User Manual

UM1743Demonstration functional description (STM324x9I-EVAL, STM324xG-EVAL, STM32F429I-
When the video player is started, the following actions are executed:
•
The graphical components are initialized:
–
–
–
•
Memory is allocated to save the video list (pVideoList) and the file information
(pFileInfo).
Table 18
Button
Play button
Pause button
Stop button
Previous button
The video frame
The control buttons
The list box field

Figure 55. Video player module startup

summarizes the different actions behind each control button.

Table 18. Video module controls

Preview
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Checks if the video size is not supported
Supported video size: 0 < xSize < 1024 and 0 < ySize < 768
Changes the video player state to "VIDEO_PLAY"
Reads the video file from storage unit
Replaces play button by pause button
Pauses the video file stream
Changes the video player state to "VIDEO_PAUSE"
Replaces pause button by play button
Closes the video file from storage unit
Stops video playing
Changes the video player state to "VIDEO_IDLE"
Points to the previous video file
Stops video playing
Changes the video player state to "VIDEO_IDLE"
Description
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