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--- products:sbc:edge2:applications:hardware-encoding [2022/09/07 02:15]
nick created
+++ products:sbc:edge2:applications:hardware-encoding [2024/05/21 06:18] (current)
jacobe
@@ Line 1: / Line 1: @@
 ====== Edge2 Hardware Encoding ======
+===== Introduction =====
+This document mainly introduces how to use hardware encoding on Edge2.
+===== Encoding =====
+<WRAP important >
+If encounter error, please add sudo and try again.
+</WRAP>
+. Check encoder.
+```shell
+khadas@Khadas:~$ gst-inspect-1.0 | grep mpp
+rockchipmpp:  mpph264enc: Rockchip Mpp H264 Encoder
+rockchipmpp:  mpph265enc: Rockchip Mpp H265 Encoder
+rockchipmpp:  mppjpegdec: Rockchip's MPP JPEG image decoder
+rockchipmpp:  mppjpegenc: Rockchip Mpp JPEG Encoder
+rockchipmpp:  mppvideodec: Rockchip's MPP video decoder
+rockchipmpp:  mppvp8enc: Rockchip Mpp VP8 Encoder
+typefindfunctions: audio/x-musepack: mpc, mpp, mp+
+```
+. Encoding format ''NV12'' to ''H264''.
+```shell
+khadas@Khadas:~$ gst-launch-1.0 -v filesrc location=./test.yuv ! videoparse width=1920 height=1080 format=nv12 ! mpph264enc ! h264parse ! queue ! filesink location=./test.h264
+Setting pipeline to PAUSED ...
+Pipeline is PREROLLING ...
+Pipeline is PREROLLED ...
+Setting pipeline to PLAYING ...
+Redistribute latency...
+New clock: GstSystemClock
+:00:16.1 / 0:12:05.0 (2.2 %)
+^Chandling interrupt. (2.8 %)
+```
+. Get data from USB camera and encode.
+<tabbox kernel 5.10.66>
+```shell
+khadas@Khadas:~$ gst-launch-1.0 v4l2src device=/dev/video33 io-mode=mmap num-buffers=300 ! image/jpeg, width=1920, height=1080, framerate=30/1 ! mppjpegdec ! mpph264enc ! filesink location=./test.h264
+```
+<tabbox Other version>
+```shell
+khadas@Khadas:~$ gst-launch-1.0 v4l2src device=/dev/video60 io-mode=mmap num-buffers=300 ! image/jpeg, width=1920, height=1080, framerate=30/1 ! mppjpegdec ! mpph264enc ! filesink location=./test.h264
+```
+</tabbox>
+Other encoding formats are used similarly. Just replace the corresponding encoder.

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