From c807880f7ac73f813b2660ea81a00f7712a4e793 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= Date: Mon, 29 Aug 2016 12:39:49 +0200 Subject: Add old mailing list archives --- .../extend/attachments/20140929/84fe21a4/attachment-0001.html | 5 +++++ .../archives/extend/attachments/20140929/84fe21a4/attachment.html | 5 +++++ 2 files changed, 10 insertions(+) create mode 100644 _build/static/archives/extend/attachments/20140929/84fe21a4/attachment-0001.html create mode 100644 _build/static/archives/extend/attachments/20140929/84fe21a4/attachment.html (limited to '_build/static/archives/extend/attachments/20140929') diff --git a/_build/static/archives/extend/attachments/20140929/84fe21a4/attachment-0001.html b/_build/static/archives/extend/attachments/20140929/84fe21a4/attachment-0001.html new file mode 100644 index 00000000..d8a3a0b0 --- /dev/null +++ b/_build/static/archives/extend/attachments/20140929/84fe21a4/attachment-0001.html @@ -0,0 +1,5 @@ + +<div dir="ltr"><div>Hello list, I hope this is the right place to ask this.<br><br></div><div>I'm learning Erlang, and I wanted to create a Cowboy app to record audio from a web browser.<br><br>Based on the websocket example in the Cowboy source code, I get the user mic input and send this input to the websocket.<br><br></div><div>I created a "recorder" module, which functionality is to save the data to the a file.<br><br><b>#rawe_handler.erl<br></b>-module(rawec_handler).<br>-behaviour(cowboy_websocket_handler).<br>......<br>init(_, _, _) -><br>  case whereis(recorder) of<br>    undefined -><br>        RecorderPid = recorder:start(),<br>        register(recorder, RecorderPid);<br>    _ -> ok<br>  end,<br>    {upgrade, protocol, cowboy_websocket}.<br>.....<br>websocket_handle(_Frame, Req, State) -><br>  RecorderPid = whereis(recorder),<br>  RecorderPid ! {rec, _Frame/binary},<br>    {ok, Req, State}.<br><br></div><div><b>#recorder.erl</b><br>-module(recorder).<br><br>-export([start/0, recorder_fun/1]).<br>-compile([debug_info]).<br><br>recorder_fun(IoDevice) -> <br>  receive<br>    {rec, Data} -><br>      ok = file:write(IoDevice, Data),<br>      io:format(Data),<br>      recorder_fun(IoDevice);<br>    {stop, _} -><br>      %%Close file<br>      file:close(IoDevice)<br>    end.<br>    <br>start() -><br>  {ok, IoDevice} = file:open("/tmp/test_binary.wav", [write, binary]),          <br>  spawn(recorder, recorder_fun, [IoDevice]).<br>  <br><br></div><div>When I start the console, and allow the microphone on the browser, I see this error on the console:<br><br>=ERROR REPORT==== 29-Sep-2014::18:13:03 ===<br>Ranch listener http had connection process started with cowboy_protocol:start_link/4 at <0.178.0> exit with reason: <b>{[{reason,badarith},{mfa,{rawec_handler,websocket_handle,3</b>}},{stacktrace,[{rawec_handler,websocket_handle,3,[{file,"src/rawec_handler.erl"},{line,35}]},{cowboy_websocket,handler_call,7,[{file,"src/cowboy_websocket.erl"},{line,588}]},{cowboy_protocol,execute,4,[{file,"src/cowboy_protocol.erl"},{line,435}]}]},{msg,{binary,<<0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0....(ETC, DATA STREAM CONTINUES)<br></div><div><br></div><div>Probably my approach to do this is totally wrong. I there any obvious problem here?<br></div><div>Can someone point me to a right direction?. Maybe I should write directly to a file in the <b>websocket_handle </b>funcion, but how can I keep a file opened during the streaming?<br><br></div><div>The github repo is here: <a href="https://github.com/jmrepetti/rawec">https://github.com/jmrepetti/rawec</a> with the whole source code if you want to take a look.<br><br><br></div><div>Thanks in advance,<br></div><div>Matias.<br>
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diff --git a/_build/static/archives/extend/attachments/20140929/84fe21a4/attachment.html b/_build/static/archives/extend/attachments/20140929/84fe21a4/attachment.html new file mode 100644 index 00000000..d8a3a0b0 --- /dev/null +++ b/_build/static/archives/extend/attachments/20140929/84fe21a4/attachment.html @@ -0,0 +1,5 @@ + +<div dir="ltr"><div>Hello list, I hope this is the right place to ask this.<br><br></div><div>I'm learning Erlang, and I wanted to create a Cowboy app to record audio from a web browser.<br><br>Based on the websocket example in the Cowboy source code, I get the user mic input and send this input to the websocket.<br><br></div><div>I created a "recorder" module, which functionality is to save the data to the a file.<br><br><b>#rawe_handler.erl<br></b>-module(rawec_handler).<br>-behaviour(cowboy_websocket_handler).<br>......<br>init(_, _, _) -><br>  case whereis(recorder) of<br>    undefined -><br>        RecorderPid = recorder:start(),<br>        register(recorder, RecorderPid);<br>    _ -> ok<br>  end,<br>    {upgrade, protocol, cowboy_websocket}.<br>.....<br>websocket_handle(_Frame, Req, State) -><br>  RecorderPid = whereis(recorder),<br>  RecorderPid ! {rec, _Frame/binary},<br>    {ok, Req, State}.<br><br></div><div><b>#recorder.erl</b><br>-module(recorder).<br><br>-export([start/0, recorder_fun/1]).<br>-compile([debug_info]).<br><br>recorder_fun(IoDevice) -> <br>  receive<br>    {rec, Data} -><br>      ok = file:write(IoDevice, Data),<br>      io:format(Data),<br>      recorder_fun(IoDevice);<br>    {stop, _} -><br>      %%Close file<br>      file:close(IoDevice)<br>    end.<br>    <br>start() -><br>  {ok, IoDevice} = file:open("/tmp/test_binary.wav", [write, binary]),          <br>  spawn(recorder, recorder_fun, [IoDevice]).<br>  <br><br></div><div>When I start the console, and allow the microphone on the browser, I see this error on the console:<br><br>=ERROR REPORT==== 29-Sep-2014::18:13:03 ===<br>Ranch listener http had connection process started with cowboy_protocol:start_link/4 at <0.178.0> exit with reason: <b>{[{reason,badarith},{mfa,{rawec_handler,websocket_handle,3</b>}},{stacktrace,[{rawec_handler,websocket_handle,3,[{file,"src/rawec_handler.erl"},{line,35}]},{cowboy_websocket,handler_call,7,[{file,"src/cowboy_websocket.erl"},{line,588}]},{cowboy_protocol,execute,4,[{file,"src/cowboy_protocol.erl"},{line,435}]}]},{msg,{binary,<<0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0....(ETC, DATA STREAM CONTINUES)<br></div><div><br></div><div>Probably my approach to do this is totally wrong. I there any obvious problem here?<br></div><div>Can someone point me to a right direction?. Maybe I should write directly to a file in the <b>websocket_handle </b>funcion, but how can I keep a file opened during the streaming?<br><br></div><div>The github repo is here: <a href="https://github.com/jmrepetti/rawec">https://github.com/jmrepetti/rawec</a> with the whole source code if you want to take a look.<br><br><br></div><div>Thanks in advance,<br></div><div>Matias.<br>
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