ALSA

诗文8519

欢迎加入运维网交流群：263444886>>> »  
　　alsa-lib 1.1.1 发布了，Advanced Linux Sound Architecture (ALSA) 为 Linux 系统提供了统一的音频和MIDI功能和驱动。
　　相关改进信息：
Core

• 　　Release v1.1.1
  
• 　　Define some types if missing
  
• 　　Define EBADFD in terms of EBADF if it doesn't exist.
  

Control API

• 　　control: keep consistent usage of assertion
  
• 
  　　control: initialize element channel values according to>
  
• 　　control: fulfill a description about element type with integer64
  
• 　　coverity fixes
  
• 　　control: add missing asserts to ctl_elem_set functions
  

PCM API

• 　　pcm: fix 'unable to create IPC shm instance' caused by fork from a thread
  
• 　　Introduce bswap.h for portable definitions of byte swap macros.
  
• 　　coverity fixes
  
• 　　pcm_hw: fix possible memory leak (coverity)
  
• 　　pcm: simple: Fix asserts
  

Sequencer API

• 　　seq: Provide sequencer sound card number / PID via alsa-lib
  

Timer API

• 　　Only use F_SETSIG fcntl where it exists.
  

Topology API

• 　　topology: Add support for widget byte controls
  
• 　　topology: add support for CTL access flags to config file
  
• 　　topology: add support for pasring external ops in conf files
  
• 　　topology: Add ops to bytes control.
  
• 　　topology: Remove unnecessary includes
  
• 　　topology: fix debug output to print correct "max" value.
  
• 　　topology: Quit and show error message on big-endian machines
  
• 　　topology: Not compare a for loop iterator with ABI __le32 variables
  
• 　　topology: Fix comparison of unsigned expression < 0
  
• 　　topology: Remove unused variables
  
• 　　topology: Remove unused function write_data_block()
  
• 　　topology: open topology files with O_TRUNC
  
• 　　topology: Add missing include sys/stat.h
  

　　下载地址：ftp://ftp.alsa-project.org/pub/lib/alsa-lib-1.1.1.tar.bz2