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products:sbc:vim4:applications:hardware-encoding

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products:sbc:vim4:applications:hardware-encoding [2022/10/25 06:10]
nick 		products:sbc:vim4:applications:hardware-encoding [2024/04/21 21:36] (current)
nick [Library Source Code]
Line 8: Line 8:
  
 <WRAP important > <WRAP important >
-Only supoport Amlgoic 5.4 Kernel.+Only supoport Amlgoic 5.4/5.15 Kernel.
 </WRAP> </WRAP>
  
Line 15: Line 15:
  
 ==== H264 Hardware Encoding ==== ==== H264 Hardware Encoding ====
 +
 +<tabbox VIM4>
  
 ```shell ```shell
 aml_enc_test 1080p.nv12 dump.h264 1920 1080 30 30 6000000 100 1 0 2 4 aml_enc_test 1080p.nv12 dump.h264 1920 1080 30 30 6000000 100 1 0 2 4
 ``` ```
 +
 +<tabbox VIM3/3L>
 +
 +```shell
 +amvenc_test 1080p.nv12 dump.h264 1920 1080 30 30 6000000 100 1 0 2 4
 +```
 +</tabbox>
 +
  
 The encoded file is ''dump.h264''. The encoded file is ''dump.h264''.
  
 ==== H265 Hardware Encoding ==== ==== H265 Hardware Encoding ====
 +
 +
 +
 +<tabbox VIM4>
  
 ```shell ```shell
 aml_enc_test 1080p.nv12 dump.h265 1920 1080 30 30 6000000 100 1 0 2 5 aml_enc_test 1080p.nv12 dump.h265 1920 1080 30 30 6000000 100 1 0 2 5
 ``` ```
 +
 +<tabbox VIM3/3L>
 +
 +```shell
 +amvenc_test 1080p.nv12 dump.h265 1920 1080 30 30 6000000 100 1 0 2 5
 +```
 +</tabbox>
 +
  
 The encoded file is ''dump.h265''. The encoded file is ''dump.h265''.
Line 34: Line 56:
  
 ```shell ```shell
-jpeg_enc_test 1080p.nv12 dump.jpg 1920 1080 100 3 0 16 16 0+jpeg_enc_test 1080p.nv12 dump.jpg 1920 1080 100 3 0 8 8 0
 ``` ```
  
Line 54: Line 76:
 ```shell ```shell
 $ gst-inspect-1.0 | grep aml $ gst-inspect-1.0 | grep aml
-amlvenc:  amlvenc: Amlogic h264/h265 Multi-Encoder +amljpegenc:  amljpegenc: Amlogic JPEG image encoder 
-```+amlvenc:  amlvenc: Amlogic h264/h265 Multi-Encoder```
  
-''amlvenc'' is the gstreamer hardware encoder puluin for H264/H265.+  * ''amlvenc'' is the gstreamer hardware encoder plugin for ''H264''/''H265''. 
 +  * ''amljpegenc'' is the gstreamer hardware encoder plugin for ''jpeg''.
  
 ==== H264 Hardware Encoding  ==== ==== H264 Hardware Encoding  ====
  
 Here is an example to decode H264 file to NV12 and then encode to H264. Here is an example to decode H264 file to NV12 and then encode to H264.
- 
-As we also need to use the hardware decoder, so we need to setup parameters for it first. 
- 
-```shell 
-echo 1 | sudo tee /sys/module/amvdec_ports/parameters/multiplanar 
-echo 1 | sudo tee /sys/module/amvdec_ports/parameters/bypass_vpp 
-echo 0 | sudo tee /sys/module/amvdec_ports/parameters/enable_drm_mode 
-``` 
  
 Decoding & encoding: Decoding & encoding:
  
 ```shell ```shell
-gst-launch-1.0 filesrc location=/home/khadas/bbb_sunflower_1080p_60fps_normal.mp4 ! qtdemux name=d d.video_0 ! h264parse ! v4l2h264dec capture-io-mode=0 ! video/x-raw,format=NV12 ! amlvenc ! h264parse ! filesink location=/home/khadas/h264dec.h264+gst-launch-1.0 filesrc location=/home/khadas/bbb_sunflower_1080p_60fps_normal.mp4 ! qtdemux name=d d.video_0 ! h264parse ! v4l2h264dec ! video/x-raw,format=NV12 ! amlvenc ! h264parse ! filesink location=/home/khadas/h264dec.h264
 ``` ```
  
Line 80: Line 95:
  
 ```shell ```shell
-gst-launch-1.0 v4l2src device=/dev/video0 io-mode=mmap num-buffers=300 ! image/jpeg, width=1920, height=1080, framerate=30/1 ! jpegdec ! amlvenc ! h264parse ! filesink location=test_0.h264+gst-launch-1.0 v4l2src device=/dev/video0 io-mode=mmap num-buffers=300 ! image/jpeg,width=1920,height=1080,framerate=30/1 ! jpegdec ! amlvenc ! h264parse ! filesink location=test_0.h264
 ``` ```
  
 ==== H265 Hardware Encoding  ==== ==== H265 Hardware Encoding  ====
  
-Here is an example to decode H264 file to NV12 and then encode to H264. +Here is an example to decode H264 file to NV12 and then encode to H265.
- +
-As we also need to use the hardware decoder, so we need to setup parameters for it first. +
- +
-```shell +
-echo 1 | sudo tee /sys/module/amvdec_ports/parameters/multiplanar +
-echo 1 | sudo tee /sys/module/amvdec_ports/parameters/bypass_vpp +
-echo 0 | sudo tee /sys/module/amvdec_ports/parameters/enable_drm_mode +
-```+
  
 Decoding & encoding: Decoding & encoding:
Line 99: Line 106:
  
 ```shell ```shell
-gst-launch-1.0 filesrc location=/home/khadas/bbb_sunflower_1080p_60fps_normal.mp4 ! qtdemux name=d d.video_0 ! h264parse ! v4l2h264dec capture-io-mode=0 ! video/x-raw,format=NV12 ! amlvenc ! h265parse ! filesink location=/home/khadas/h264dec.h265+gst-launch-1.0 filesrc location=/home/khadas/bbb_sunflower_1080p_60fps_normal.mp4 ! qtdemux name=d d.video_0 ! h264parse ! v4l2h264dec ! video/x-raw,format=NV12 ! amlvenc ! h265parse ! filesink location=/home/khadas/h264dec.h265
 ``` ```
  
Line 105: Line 112:
  
 ```shell ```shell
-gst-launch-1.0 v4l2src device=/dev/video0 io-mode=mmap num-buffers=300 ! image/jpeg, width=1920, height=1080, framerate=30/1 ! jpegdec ! amlvenc ! h265parse ! filesink location=test_0.h265+gst-launch-1.0 v4l2src device=/dev/video0 io-mode=mmap num-buffers=300 ! image/jpeg,width=1920,height=1080,framerate=30/1 ! jpegdec ! amlvenc ! h265parse ! filesink location=test_0.h265
 ``` ```
  
 ==== JPEG Hardware Encoding  ==== ==== JPEG Hardware Encoding  ====
  
-WIP:+Read one frame YUY2 format data from USB camera and encode to jpeg file. 
 + 
 +```shell 
 +gst-launch-1.0 -v v4l2src device=/dev/video0 io-mode=mmap num-buffers=1 ! video/x-raw,format=YUY2,width=640,height=480 ! amljpegenc ! filesink location=1.jpg 
 +```
  
 +===== Library Source Code =====
  
 +  * VIM4 H264/H265 [[gh>numbqq/encoder_libs_aml/tree/yocto-202311/multiEnc | Library Source Code of H264/H265 ]], check REDME to build.
 +  * VIM3/3L [[gh>numbqq/encoder_libs_aml/tree/yocto-202311/amvenc_264| H264 Library Source Code]] / [[gh>numbqq/encoder_libs_aml/tree/yocto-202311/amvenc_265| H265 Library Source Code]], check REDME to build.
 +  * JPEG [[gh>numbqq/encoder_libs_aml/tree/yocto-202311/jpeg | Library Source Code of JPEG]], check REDME to build.
  
Last modified: 2022/10/25 06:10 by nick

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