Re: Parallel decoding - artifacts

Hello Robert,
I tested it in version 3.98.2 and the latest - 3.99.5.

Vladimír


2013/6/4 robert <[email protected]>

> Hello Vladimír,
>
> which LAME version are you using?
>
> Ciao Robert
>
> Am 03.06.2013, 13:40 Uhr, schrieb Vladimír Tichý <[email protected]>:
>
>  Hi,
>> I have a huge problem using lame to play several MP3 files at once. I have
>> implemented a player with independent reading thread and I can use up to 5
>> these players in my application. Everything is OK when only one player is
>> playing but when I launch the second one, artifacts start to appear in the
>> output signal.
>>
>> I managed to reduce the amount of artifacts using mutex thread
>> synchronization so only one player is allowed to call hip_decode1_headers
>> method at one moment. Despite of this synchronization this method can
>> return some wrong samples to its PCM bufers. Using a sine test signal it
>> seems like the decoder sometimes skips some samples.
>>
>> I read dev thread "Thread safe lame" (
>> https://sourceforge.net/**mailarchive/message.php?msg_**id=8800413<https://sourceforge.net/mailarchive/message.php?msg_id=8800413>)
>> and was
>> wondered about the second rule: "Do not use the decoder". I hope it is
>> possible to use lame engine to read MP3 files paralelly.
>>
>> Thank you for any advice.
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