Re: [FFmpeg-devel] [PATCH 13/13] fftools/ffmpeg: convert to a threaded architecture

From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH 13/13] fftools/ffmpeg: convert to a threaded architecture
Date: Fri, 24 Nov 2023 23:26:16 +0100
Message-ID: <20231124222616.GH3543730@pb2> (raw)
In-Reply-To: <20231123191524.11296-15-anton@khirnov.net>

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On Thu, Nov 23, 2023 at 08:15:08PM +0100, Anton Khirnov wrote:
> Change the main loop and every component (demuxers, decoders, filters,
> encoders, muxers) to use the previously added transcode scheduler. Every
> instance of every such component was already running in a separate
> thread, but now they can actually run in parallel.
> 
> Changes the results of ffmpeg-fix_sub_duration_heartbeat - tested by
> JEEB to be more correct and deterministic.
> ---
>  fftools/ffmpeg.c                              | 374 +--------
>  fftools/ffmpeg.h                              |  97 +--
>  fftools/ffmpeg_dec.c                          | 321 ++------
>  fftools/ffmpeg_demux.c                        | 268 ++++---
>  fftools/ffmpeg_enc.c                          | 368 ++-------
>  fftools/ffmpeg_filter.c                       | 720 +++++-------------
>  fftools/ffmpeg_mux.c                          | 324 ++------
>  fftools/ffmpeg_mux.h                          |  24 +-
>  fftools/ffmpeg_mux_init.c                     |  88 +--
>  fftools/ffmpeg_opt.c                          |   6 +-
>  .../fate/ffmpeg-fix_sub_duration_heartbeat    |  36 +-
>  11 files changed, 598 insertions(+), 2028 deletions(-)

this (and many other things) infinite loops
./ffmpeg -f lavfi -i testsrc2 -bsf:v noise -bitexact -t 2 -y /tmp/y.y4m

thx

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The worst form of inequality is to try to make unequal things equal.
-- Aristotle

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