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video_player: update README (#71)

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Signed-off-by: Hidenori Matsubayashi <Hidenori.Matsubayashi@gmail.com>
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Hidenori Matsubayashi
2023-08-17 02:48:03 +00:00
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commit 0c1388ec55
1 changed files with 22 additions and 11 deletions
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33
packages/video_player/README.md
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@ -9,8 +9,7 @@ The implementation of the Video Player plugin for flutter elinux. APIs are desig
This plugin uses [GStreamer](https://gstreamer.freedesktop.org/) internally.
```Shell
$ sudo apt install libglib2.0-dev
$ sudo apt install libgstreamer1.0-dev
$ sudo apt install libglib2.0-dev libgstreamer1.0-dev
# Install as needed.
$ sudo apt install libgstreamer-plugins-base1.0-dev \
gstreamer1.0-plugins-base gstreamer1.0-plugins-good \
@ -31,23 +30,35 @@ dependencies:
```
### Source code
Import `video_player` in your Dart code:
```dart
import 'package:video_player/video_player.dart';
```
### Customize for your target devices
If you this plugin on your target devices, you will need to customize the pipeline in the source file.So, replace the `videoconvert` element with a H/W accelerated element of your target device to perform well.
#### default:
playbin uri=<file> video-sink="videoconvert ! video/x-raw,format=RGBA ! fakesink"
#### e.g. customization for i.MX 8M platforms:
playbin uri=<file> video-sink="imxvideoconvert_g2d ! video/x-raw,format=RGBA ! fakesink"
### Enable GstEGLImage
If GstEGLImage is enabled on your target device, adding the following code to `<user's project>/elinux/CMakeLists.txt` may improve playback performance.
```
add_definitions(-DUSE_EGL_IMAGE_DMABUF)
set(USE_EGL_IMAGE_DMABUF "on")
```
### Customize for your target devices
To improve the performance of this plugin, you will need to customize the pipeline in the source file. Please modify the source file and replace the `videoconvert` element with a H/W accelerated element of your target device to perform well.
`bool GstVideoPlayer::CreatePipeline()` in packages/video_player/elinux/gst_video_player.cc
#### default:
```
playbin uri=<file> video-sink="videoconvert ! video/x-raw,format=RGBA ! fakesink"
```
#### i.MX 8M platforms:
```
playbin uri=<file> video-sink="imxvideoconvert_g2d ! video/x-raw,format=RGBA ! fakesink"
```