Introduction
...
The C3V project source code and the patches of the GStreamer and FFmpeg can be obtained from GitHub. If your GitHub has not updated the patches yet, you can also use the file provided below:
| View file | ||
|---|---|---|
|
| View file | ||
|---|---|---|
|
...
The gstreamer patch files are in path “code_root/linux/rootfs/initramfs/buildroot/package/gstreamer1” .
The ffmpeg patch files are in path “ code_root/linux/rootfs/initramfs/buildroot/package/ffmpeg” .
Patch files will be applied automatically during process of building buildroot. If you just want to apply patch without rebuild action of buildroot, you can take reference to below steps.
Apply the patches
Here we assume that you have already configured GStreamer and FFMPEG in the buildroot and have built it successfully.
GStreamer
Apply the gst1-plugins-good-1.20.1.diffto <buildroot>/output/build/gst1-plugins-good-1.20.1/by the command:
| Code Block |
|---|
patch -p1 < gst1-plugins-good-1.20.1.diff |
...
| Code Block | ||
|---|---|---|
| ||
make gst1-plugins-good-rebuild |
The modified library is libgstvideo4linux2.so.
FFmpeg
Apply the ffmpeg-4.4.2.diff to <buildroot>/output/build/ffmpeg-4.4.2/ by command:
| Code Block | ||
|---|---|---|
| ||
patch -p1 < ffmpeg-4.4.2.diff |
...
| Code Block | ||
|---|---|---|
| ||
make ffmpeg-rebuild |
The modified library is libavcodec.so*.
| Panel | ||||||
|---|---|---|---|---|---|---|
| ||||||
If can not find the directory in the buildroot, please check the package on the menuconfig and reconfigure it. |
...
The command will encode the file 1080p.yuv to a file called stream.h264.
...
The file can be played by PC tools like PotPlayer and VLC media player.
...
The command will decode the file stream.h264 to a file called test.yuv.
...
The file can be played by PC tools like Elecard YUV viewer and YuvEye.
...