Gesendet: Montag, 05. September 2022 um 12:45 Uhr
Von: "Andreas Rheinhardt"
An: ffmpeg-devel@ffmpeg.org
Betreff: Re: [FFmpeg-devel] [PATCH v3 2/3] lavf/dashdec: Multithreaded DASH
initialization
Lukas Fellechner:
>>> Moreover, older pthread standards d
>Gesendet: Montag, 05. September 2022 um 12:45 Uhr
>Von: "Andreas Rheinhardt"
>An: ffmpeg-devel@ffmpeg.org
>Betreff: Re: [FFmpeg-devel] [PATCH v3 2/3] lavf/dashdec: Multithreaded DASH
>initialization
>Lukas Fellechner:
>>> Gesendet: Montag, 05. Septembe
Lukas Fellechner:
>> Gesendet: Montag, 05. September 2022 um 00:50 Uhr
>> Von: "Andreas Rheinhardt"
>> An: ffmpeg-devel@ffmpeg.org
>> Betreff: Re: [FFmpeg-devel] [PATCH v3 2/3] lavf/dashdec: Multithreaded DASH
>> initialization
>> Lukas Fellech
> Gesendet: Montag, 05. September 2022 um 00:50 Uhr
> Von: "Andreas Rheinhardt"
> An: ffmpeg-devel@ffmpeg.org
> Betreff: Re: [FFmpeg-devel] [PATCH v3 2/3] lavf/dashdec: Multithreaded DASH
> initialization
> Lukas Fellechner:
> > Andreas Rheinhardt andreas.rheinh
Lukas Fellechner:
> Andreas Rheinhardt andreas.rheinhardt at outlook.com
> Wed Aug 31 05:54:12 EEST 2022
>>
>>> +#if HAVE_THREADS
>>> +
>>> +struct work_pool_data
>>> +{
>>> +AVFormatContext *ctx;
>>> +struct representation *pls;
>>> +struct representation *common_pls;
>>> +
Andreas Rheinhardt andreas.rheinhardt at outlook.com
Wed Aug 31 05:54:12 EEST 2022
>
> > +#if HAVE_THREADS
> > +
> > +struct work_pool_data
> > +{
> > +AVFormatContext *ctx;
> > +struct representation *pls;
> > +struct representation *common_pls;
> > +pthread_mutex_t *common_mutex;
Steven Liu:
> Andreas Rheinhardt 于2022年8月31日周三 10:54写道：
>> 1. We actually have an API to process multiple tasks by different
>> threads: Look at libavutil/slicethread.h. Why can't you reuse that?
> I saw that usually be used in avfilters for slice multi-thread, or i
> misunderstand something?
>
Andreas Rheinhardt 于2022年8月31日周三 10:54写道：
>
> Lukas Fellechner:
> > This patch adds an "init-threads" option, specifying the max
> > number of threads to use. Multiple worker threads are spun up
> > to massively bring down init times.
> > ---
> > libavformat/dashdec.c | 351
Lukas Fellechner:
> This patch adds an "init-threads" option, specifying the max
> number of threads to use. Multiple worker threads are spun up
> to massively bring down init times.
> ---
> libavformat/dashdec.c | 351 +-
> 1 file changed, 350
This patch adds an "init-threads" option, specifying the max
number of threads to use. Multiple worker threads are spun up
to massively bring down init times.
---
libavformat/dashdec.c | 351 +-
1 file changed, 350 insertions(+), 1 deletion(-)
diff --git
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