Playing BBC R3 FLAC files recorded by nightly VLC

d.lake at d.lake at
Sun Aug 6 02:02:47 PDT 2017

" R3 Proms 2017 output is available in lossless format in iPlayer for 30 days"

I know how to get 320kbit/s using gip, but how do you get the FLAC lossless stream using gip?



-----Original Message-----
From: get_iplayer [mailto:get_iplayer-bounces at] On Behalf Of Paul Thornett
Sent: 06 August 2017 04:15
To: get_iplayer at
Subject: Re: Playing BBC R3 FLAC files recorded by nightly VLC

I don't understand why anyone would choose to use VLC to record the BBC streams. VLC is clunky, difficult to get working and arcane. Its interface is really awful.

Simply download Audacity (which is free), and use its record button when your stream starts. The only trickiness is at the end when you don't save the audio output, instead you export it to a file of your choice. Audacity exports my files as WAV, but you can as easily get it to use FLAC if you prefer.

And I assume you know that you don't have to record the concert live, as all R3 Proms 2017 output is available in lossless format in iPlayer for 30 days.

Paul Thornett

On 6 August 2017 at 02:30, RS <richard22j at> wrote:
> A few days ago Vangelis kindly told us how to record the BBC R3 FLAC 
> streams using a recent nightly build of VLC.  Has anyone been able to 
> play the recordings other than through a software player such as VLC?
> I can play a recording with the nightly build of VLC.  The speakers on 
> my PC are adequate, but not suitable for listening to music, so it 
> defeats the object if I can't play the recordings on anything else.
> If I try to play it with VLC v2.2.6 (Umbrella) there is silence.  The 
> Statistics tab shows the same number of lost buffers as decoded blocks 
> and 0 played buffers.  The SanDisk Clip Jam claims to be able to play 
> FLAC, although there is a warning on the web site that the v1.12 
> firmware is needed.  It plays the Hallelujah.flac test file from The 
> Sixteen (and it used to play it with the v1.10 firmware) but it will 
> not play the BBC FLAC recording.  It displays, "Unsupported file format".
> It is in an OGG container.  I tried using ffmpeg v3.2.4 with 
> -acodec=copy to remultiplex it to a FLAC container.  I got an error 
> message Could not write header for output file #0 (incorrect codec parameters ?):
> Invalid data found when processing input
> I then tried converting the FLAC in an OGG container to FLAC in a FLAC 
> container.  I got a huge number of error messages of the form 
> [flac at 04fdc8a0] Application provided invalid, non monotonically 
> increasing dts to muxer in stream 0:  122872320 >= 122867712 I thought 
> something had gone wrong so I stopped it.  I then noticed the output 
> file size was not zero, but about 5MByte.  I discovered I could play 
> it and it was about 42s long.  I then let the conversion run to completion.
> I got a final error message
> Error while decoding stream #0:0: Invalid argument followed by the 
> usual size, time, bit rate and speed indications.
> I found the output file was complete and I could play it in VLC v2.2.6 
> and the SanDisk Clip Jam.
> The command I used for the conversion was ffmpeg -i=<infile>.ogg 
> -f=flac -sample_fmt=s16 <outfile>.flac
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