dmMediaConverter is a crossplatform FFmpeg frontend (GUI) exposing some of its features. It is intended to be simple and easy to use but also to be able to achieve complex tasks. I have inspired myself from a lot of media converters like Handbrake, W
opus的初始化函数如下所示,在初始化的过程中,从代码结构上来看,这里主要完成是内存的申请,基本参数的定义 cOpusEncoder *opus_encoder_create(opus_int32 Fs, int channels, int application, int *error) opus_int32 Fs采样率,这个是支持的范围从8k-48k都可以 int channels 支持的信道,也就是使用的信道,一般是1个或2个,最高可以支持255个声道. int application
AAC-LD/ELD it is either 480 or 512 PCM samples per frame and channel. http://opus-codec.org/downloads/ https://archive.mozilla.org/pub/opus/opus-1.2.1.tar.gz build for android: https://stackoverflow.com/questions/17869333/makefile-needed-for-compilin
转自:http://blog.chinaunix.net/uid-9185047-id-3327302.html Somehow i remember that normally 2048 samples refer as a frame. PCM data generally is PCM16, that means one sample is 2 bytes, so one frame is 4096 bytes.
摘抄雷兄 http://blog.csdn.net/leixiaohua1020/article/details/46890259 /** * 最简单的SDL2播放音频的例子(SDL2播放PCM) * Simplest Audio Play SDL2 (SDL2 play PCM) * * 雷霄骅 Lei Xiaohua * leixiaohua1020@126.com * 中国传媒大学/数字电视技术 * Communication University of China / Digital T