fernyb’s gists

fernyb / gist:1549025

Created January 2, 2012 02:21

transcode

ffmpeg -i input.flv -acodec copy -vcodec copy -copyts output.mp4

fernyb / project_template.rb

Last active October 2, 2015 23:28

Rails Template

	gem 'haml-rails'
	gem 'dynamic_form'
	gem 'rspec-rails', :group => [:development, :test]
	gem 'machinist', :group => [:development, :test]

	generate 'rspec:install'
	generate 'db:migrate'
	generate 'machinist:install'

	remove_file 'public/index.html'

fernyb / vlc_stream.sh

Created May 6, 2012 00:09

vlc streaming

	# Stream to UDP 127.0.0.1, Port 2222
	vlc qtcapture:// -vvv input_stream --sout='#duplicate{dst=display, dst="transcode{venc=x264{keyint=60,idrint=2},vcodec=h264,vb=300,acodec=mp4a,ab=32,channels=2, samplerate=22050}:standard{access=udp,mux=ts,dst=127.0.0.1:2222}"}'

	# Stream to local file:
	vlc --ttl 12 qtcapture:// -vvv input_stream --sout="#transcode{venc=x264{keyint=60,idrint=2},vcodec=h264,vb=300,acodec=mp4a,ab=32,channels=2, samplerate=22050}:\
	duplicate{dst=file{mux=ts,dst=/Users/fernyb/live/vlclive.ts},dst=display}"

	# Stream to local and pipe to media stream segmenter, which creates index file and can be streamed to iOS
	vlc --ttl 12 qtcapture:// -vvv input_stream --sout="#transcode{venc=x264{keyint=60,idrint=2},vcodec=h264,vb=300,acodec=mp4a,ab=32,channels=2, samplerate=22050}:\
	duplicate{dst=file{mux=ts,dst='-'},dst=display}" \| mediastreamsegmenter -s 10 -D -f /Users/fernyb/hls/live

fernyb / gist:3295952

Created August 8, 2012 15:29

Upgrade to specific version of rubygems

	gem install -v 1.3.6 rubygems-update && \
	ruby `gem env gemdir`/gems/rubygems-update-1.3.6/setup.rb

fernyb / gist:3798105

Created September 28, 2012 05:38

ffmpeg configure

	./configure --enable-libmp3lame --enable-libx264 --enable-libfaac --enable-libfaad --enable-gpl --enable-nonfree --enable-shared --disable-mmx --arch=x86_64 --cpu=core2

fernyb / ffmpeg-1.0

Created September 30, 2012 00:53

ffmpeg 1.0 compile

	wget http://ffmpeg.org/releases/ffmpeg-1.0.tar.gz

	tar zxvf ffmpeg-1.0.tar.gz

	cd ffmpeg-1.0

	./configure --prefix=/usr/local/ffmpeg-1.0 \
	--enable-libmp3lame --enable-libx264 --enable-libfaac --enable-gpl --enable-nonfree --enable-shared --disable-mmx --arch=x86_64 --cpu=core2

fernyb / ffmpeg-segment

Created September 30, 2012 04:52

ffmpeg transcode to mpegts and segment

	#
	# Transcode video for iOS streaming
	#
	/usr/local/ffmpeg-1.0/bin/ffmpeg -i video-source.flv -re -g 250 -keyint_min 25 -bf 0 -me_range 16 \
	-sc_threshold 40 -cmp 256 -coder 0 -trellis 0 -subq 6 -refs 5 -r 25 -c:a libfaac -ab:a 256k \
	-async 1 -ac:a 2 -c:v libx264 -profile baseline -s:v 640x360 -b:v 768k -aspect:v 16:9 -map 0 -ar 44100 \
	-vbsf h264_mp4toannexb -flags -global_header -f segment -segment_time 10 \
	-segment_list_type flat -segment_list_type m3u8 -segment_list playlist.m3u8 \
	-segment_format mpegts parts/stream256ios%09d.ts

fernyb / nginx-install

Created October 1, 2012 17:19

nginx install

	wget http://nginx.org/download/nginx-1.2.4.tar.gz
	wget https://github.com/arut/nginx-rtmp-module.git

	cd nginx-rtmp-module
	rtmp_module_path=$(pwd)

	cd ..

	tar zxvf nginx-1.2.4.tar.gz
	cd nginx-1.2.4

fernyb / gist:3877325

Created October 12, 2012 04:33

nginx

	./configure --prefix=/usr/local \
	--with-http_flv_module \
	--with-http_gzip_static_module \
	--with-http_mp4_module \
	--with-http_ssl_module \
	--with-http_degradation_module \
	--add-module=/home/fernyb/sources/nginx-rtmp-module

fernyb / gist:3881040

Created October 12, 2012 19:33

add/remove init.d script from starting at boot

	# Add init.d script to start at boot
	update-rc.d <init.d/name> defaults

	# Remove init.d from starting at boot
	update-rc.d -f <init.d/name> remove

Fernando Barajas fernyb