02 2020 档案

ALSA lib-ext plugin
摘要：External Plugin: Filter-Type Plugin The filter-type plugin is a plugin to convert the PCM signals from the input and feeds to the output. Thus, this p 阅读全文
posted @ 2020-02-28 16:18 fellow_jing 阅读(828) 评论(0) 推荐(0)
ALSA lib-io plugin
摘要：https://www.alsa-project.org/alsa-doc/alsa-lib/pcm_external_plugins.html External Plugin: I/O Plugin The I/O-type plugin is a PCM plugin to work as th 阅读全文
posted @ 2020-02-27 23:24 fellow_jing 阅读(888) 评论(0) 推荐(0)
ALSA Lib-简单的播放例子
摘要：参考：https://www.alsa-project.org/alsa-doc/alsa-lib/_2test_2pcm_8c-example.html #include <stdio.h> #include <stdlib.h> #include <string.h> #include <get 阅读全文
posted @ 2020-02-27 17:13 fellow_jing 阅读(1266) 评论(0) 推荐(0)
ALSA lib编译
摘要：http://blog.sina.com.cn/s/blog_7d7e9d0f0101lqlp.html alsa lib: #!bin/sh rm -rf ./output/* mkdir -p ./output chmod -R 777 ./output OUTPUT_PATH=`pwd`/ou 阅读全文
posted @ 2020-02-22 16:24 fellow_jing 阅读(920) 评论(0) 推荐(0)
转载：openmax bellagio
摘要：https://wenku.baidu.com/view/18472c1387c24028915fc3e9.html https://wenku.baidu.com/view/1e380bc20c22590102029d3f.html Bellagio 目录结构： src/: omxcore.c包含 阅读全文
posted @ 2020-02-16 21:30 fellow_jing 阅读(799) 评论(0) 推荐(0)
转载：openmax基本概念
摘要：https://yellowmax.blog.csdn.net/article/details/78080168 https://yellowmax.blog.csdn.net/article/details/78242464 https://yellowmax.blog.csdn.net/arti 阅读全文
posted @ 2020-02-16 15:31 fellow_jing 阅读(662) 评论(0) 推荐(0)
转载：polyphase filter
摘要：http://www.ws.binghamton.edu/fowler/fowler%20personal%20page/ee521.htm http://www.ws.binghamton.edu/fowler/fowler%20personal%20page/EE521_files/IV-05% 阅读全文
posted @ 2020-02-12 14:52 fellow_jing 阅读(761) 评论(0) 推荐(0)
转载：arm neon intrinsic
摘要：转自：https://blog.csdn.net/hemmingway/article/details/44828303/ https://blog.csdn.net/chshplp_liaoping/article/details/12752749 https://zhuanlan.zhihu.c 阅读全文
posted @ 2020-02-08 16:19 fellow_jing 阅读(875) 评论(0) 推荐(0)
转载：dsp芯片的定点运算
摘要：转自： http://ishare.iask.sina.com.cn/f/37179153.html 阅读全文
posted @ 2020-02-08 15:58 fellow_jing 阅读(397) 评论(0) 推荐(0)
MCPS & MIPS
摘要：MIPS:Million Instructions Per Second MCPS:Million Cycles Per Second MIPS = Total Instructions*Sampling frequency/(No of frames * Samples per frame*100 阅读全文
posted @ 2020-02-08 15:14 fellow_jing 阅读(2901) 评论(0) 推荐(0)