Bug 31259

Summary:	mplayer lavac3enc filter broken on Cauldron
Product:	Mageia	Reporter:	Chris Denice <eatdirt>
Component:	RPM Packages	Assignee:	All Packagers <pkg-bugs>
Status:	NEW ---	QA Contact:
Severity:	normal
Priority:	Normal	CC:	marja11
Version:	Cauldron
Target Milestone:	---
Hardware:	All
OS:	Linux
Whiteboard:
Source RPM:	mplayer-1.5-10.mga9.tainted.src.rpm	CVE:
Status comment:
Bug Depends on:	31360
Bug Blocks:

Description Chris Denice 2022-12-10 19:10:42 CET

I am a regular user of mplayer with:

-af lavcac3enc=0::2

filter that allows to re-encode audio streams on the fly to ac3 for a pure digital spdif output to my hi-fi system.

This got broken on Cauldon (works fine on Mageia 8):

mplayer -ac hwdts,hwac3, -ao alsa:noblock:device=hw=0.1 -af lavcac3enc=0::2

The filter dies with:

[ac3_fixed @ 0x7f06722fb060]Specified sample format s16p is invalid or not supported
Couldn't open codec ac3, br=448000.
[libaf] Reinitialization did not work, audio filter 'lavcac3enc' returned error code -2
Error at audio filter chain pre-init!

I've tested the same filter with mpv, and it works fine. Something bad happened to mplayer since mga8 :-/

Cheers,
Chris.

Comment 1 Marja Van Waes 2022-12-12 00:04:22 CET

No registered maintainer for mplayer, so assigning to all packagers collectively

Assignee: bugsquad => pkg-bugs
CC: (none) => marja11

Comment 2 Chris Denice 2022-12-17 23:35:12 CET

Yea, and it is full of other bugs, like this:

libavcodec version 59.37.100 (external)
[mpeg4 @ 0x7f6297cfb060]Requested frame threading with a custom get_buffer2() implementation which is not marked as thread safe. This is not supported anymore, make your callback thread-safe

I suspect this is due to the bad idea of using system ffmpeg which is more advanced than the one mplayer-1.5 is coded against. It builds but just does not work fine. I'am checking this now.

David Walser 2023-01-03 19:50:39 CET

Depends on: (none) => 31360

Comment 3 Chris Denice 2023-04-06 14:42:40 CEST

Just for the record, confirmed on the mplayer devel mailing list. The ac3enc filter is now only supporting 32 bits input. Patches on test on Cauldron.