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--- products:sbc:edge2:applications:hardware-decoding [2022/09/07 02:15]
nick created
+++ products:sbc:edge2:applications:hardware-decoding [2024/01/17 03:54] (current)
jacobe [Decoding]
@@ Line 1: / Line 1: @@
 ====== Edge2 Hardware Decoding ======
+===== Introduction =====
+This document mainly introduces how to use hardware decoding on Edge2.
+===== Decoding =====
+<WRAP important >
+If encounter error, please add sudo and try again.
+</WRAP>
+. Check decoder.
+```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+
+```
+. Decoding with H264 file.
+```shell
+khadas@Khadas:~$ gst-launch-1.0 filesrc location=./test.h264 ! h264parse ! mppvideodec ! video/x-raw,format=NV12 ! filesink location=test.yuv
+Setting pipeline to PAUSED ...
+Pipeline is PREROLLING ...
+Pipeline is PREROLLED ...
+Setting pipeline to PLAYING ...
+Redistribute latency...
+New clock: GstSystemClock
+:00:01.2 / 1:04:25.7 (0.0 %)
+:00:02.2 / 1:33:57.6 (0.0 %)
+```
+. Decoding with MP4 file.
+```shell
+khadas@Khadas:~$ gst-launch-1.0 filesrc location=./test.mp4 ! qtdemux name=d d.video_0 ! h264parse ! mppvideodec ! video/x-raw,format=NV12 ! filesink location=test.yuv
+Setting pipeline to PAUSED ...
+Pipeline is PREROLLING ...
+Pipeline is PREROLLED ...
+Setting pipeline to PLAYING ...
+Redistribute latency...
+New clock: GstSystemClock
+:00:01.8 / 0:10:34.5 (0.3 %)
+```
+If you want to play your decoded file， you can play with ''ffpaly''.

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