Android taipei 2016 03-21.pptx

Youtube Live Event Streaming

王筠凱 Kentpon 2016/3

● Flow● AudioRecorder● Camera● MediaCodec● JavaCV(FFmpeg)

Outline

https://support.google.com/youtube/answer/6088349?hl=zh-Hant&authuser=1&ref_topic=6136989

https://support.google.com/youtube/answer/6088349?hl=zh-Hant&authuser=1&ref_topic=6136989

https://github.com/bytedeco/javacv/blob/master/samples/RecordActivity.java

AudioRecorder

Camera MediaCodec

FFmpeg YouTube

MediaCodecPCM

NV21

AAC

H.264

RTMP

Ref: https://en.wikipedia.org/wiki/YUV

Ref: http://developer.android.com/reference/android/media/MediaCodecInfo.CodecCapabilities.html

Ref:https://github.com/bytedeco/javacv/blob/master/src/main/java/org/bytedeco/javacv/FFmpegFrameRecorder.javahttps://github.com/youtube/yt-watchme/blob/master/app/src/main/jni/ffmpeg-jni.c

FFmpeg

Ref: https://support.google.com/youtube/answer/6088828?hl=zh-Hant&authuser=1&ref_topic=6136989

QA