tchakabam

git log --tags --format="%ai %h %d" --decorate --simplify-by-decoration
# https://git-scm.com/docs/pretty-formats#_pretty_formats

tchakabam

Basics

• Mozilla docs: https://developer.mozilla.org/en-US/docs/Web/API/Web_Audio_API/Using_Web_Audio_API
• HTML5rocks tutorial: https://www.html5rocks.com/en/tutorials/webaudio/intro/
• W3C standard specification: https://www.w3.org/TR/webaudio/

Basic demos (with code)

• Basic "tapedeck/boombox" in ~80 LOC + some HTML: https://codepen.io/Rumyra/pen/qyMzqN/
• Graphical playground: http://webaudioplayground.appspot.com/

tchakabam

/**
 *
 * @author Stephan Hesse <tchakabam@gmail.com>
 * Copyright (c) 2018
 *
 * Java M3u8 Parser
 *
 */

/**

tchakabam

/**
 *
 * Categorized `Logger` in Typescript
 * @author Stephan Hesse <tchakabam@gmail.com>
 * @copyright 2018, 2017
 *
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at

tchakabam

WARNING: no real random source present!
0:00:00.097867000 50087 0x7ffbea8662f0 LOG                  playbin gstplaybin2.c:3020:void gst_play_bin_deep_element_added(GstBin *, GstBin *, GstElement *):<GstPlayBin@0x7ffbe9a30240> element <playsink> was added to <GstPlayBin@0x7ffbe9a30240>
0:00:00.097966000 50087 0x7ffbea8662f0 LOG                  playbin gstplaybin2.c:3020:void gst_play_bin_deep_element_added(GstBin *, GstBin *, GstElement *):<GstPlayBin@0x7ffbe9a30240> element <streamsynchronizer0> was added to <playsink>
0:00:00.098131000 50087 0x7ffbea8662f0 LOG                 playsink gstplaysink.c:976:void gst_play_sink_set_filter(GstPlaySink *, GstPlaySinkType, GstElement *):<playsink> Setting filter <scaletempo0> as filter type 0
0:00:00.098141000 50087 0x7ffbea8662f0 LOG                 playsink gstplaysink.c:978:void gst_play_sink_set_filter(GstPlaySink *, GstPlaySinkType, 

tchakabam

<!--
*
* Example / Benchmark for switching MSE SourceBuffers content while playing
*
* Logs time needed for operations to browser console
*
* Replace the MEDIA_LIST array with resources present in your environment (fragmented mp4s with video expected)
*
*

tchakabam

#!/bin/bash

#
# author: Stephan Hesse (disparat@gmail.com)
# 
echo ""
echo "************ tape.tv CDN testing tool *************"
echo ""
echo "Author: Stephan Hesse <disparat@gmail.com>"
echo ""

tchakabam

var Hls = require('hls.js');
var P2PWrapper = require('hlsjs-p2p-wrapper');
...

// creating Hls.js instance via wrapper vs classic instantiation via constructor

var hls = withP2P ? new P2PWrapper(Hls).createPlayer(myHlsjsConfig, myP2PConfig) : new Hls(myHlsjsConfig);

tchakabam

#include <glib.h>

#include <gst.h>
#include <gst/app/gstappsink.h>

#define DEFAULT_PORT 5000

typedef void (*received_frame) (RtpReceiver* r, unsigned char* data, gsize size, gboolean eos) RtpReceiverCallback;

typedef struct _RtpReceiver {

tchakabam

D/SoftFFmpegAudio(16716): SoftFFmpegAudio component: OMX.ffmpeg.mp3.decoder mMode: 2 mHighResAudioEnabled: 1
D/GStreamer+amcaudiodec(16716): 0:00:03.098108904 0x77ebb380 gstamcaudiodec.c:391:gst_amc_audio_dec_open:<amcaudiodec-omxffmpegmp3decoder0> Opened decoder
I/GStreamer+hlsdemux(16716): 0:00:03.098907446 0x77ebb380 gsthlsdemux.c:554:gst_hls_demux_src_query:<hlsdemux0> GST_QUERY_DURATION returns FALSE with duration 99:99:99.999999999
I/GStreamer+hlsdemux(16716): 0:00:03.099356196 0x77ebb380 gsthlsdemux.c:571:gst_hls_demux_src_query:<hlsdemux0> Received GST_QUERY_SEEKING with format 2
I/GStreamer+hlsdemux(16716): 0:00:03.099506612 0x77ebb380 gsthlsdemux.c:554:gst_hls_demux_src_query:<hlsdemux0> GST_QUERY_DURATION returns TRUE with duration 0:02:51.203588000
D/GStreamer+amcaudiodec(16716): 0:00:03.100511716 0x77ebb430 gstamcaudiodec.c:926:gst_amc_audio_dec_set_format:<amcaudiodec-omxffmpegmp3decoder0> Setting new caps audio/mpeg, mpegversion=(int)1, mpegaudioversion=(int)1, layer=(int)3, rate=(int)44100, ch