[FFmpeg-trac] #7438(undetermined:new): Transcoding multiple HLS outputs causes corruption in m3u8 index filename
FFmpeg
trac at avcodec.org
Mon Sep 17 14:23:08 EEST 2018
#7438: Transcoding multiple HLS outputs causes corruption in m3u8 index filename
-------------------------------------+-------------------------------------
Reporter: ehollander | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: unspecified | undetermined
Keywords: hls | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
-------------------------------------+-------------------------------------
Changes (by cehoyos):
* keywords: => hls
Old description:
> Summary of the bug:Encoding 1 input file to 4 different outputs causes
> 2nd and 3rd m3u8 index filenames to be corrupt (additional junk
> characters appended) on Windows 10. (Input file was a large 4K video)
> How to reproduce:
> issue the following command on Windows 10:
> ffmpeg -i %video% -c:v libx264 -profile:v high -level 3.1 -s 1920x1080
> -b:v 800k -maxrate 800k -bufsize 2M -flags +cgop -g 600 -hls_list_size 0
> -hls_time 10 -f hls %folder%/out0800_.m3u8^
> -c:v libx264 -profile:v high -level:v 3.1 -s 1920x1080 -b:v 1000k
> -maxrate 1000k -bufsize 1M -flags +cgop -g 30 -hls_list_size 0 -hls_time
> 10 -f hls %folder%/out1000_.m3u8^
> -c:v libx264 -profile:v high -level:v 3.1 -s 1920x1080 -b:v 1500k
> -maxrate 1500k -bufsize 1M -flags +cgop -g 30 -hls_list_size 0 -hls_time
> 10 -f hls %folder%/out1500_.m3u8^
> -c:v libx264 -profile:v high -level:v 3.1 -s 1920x1080 -b:v 2500k
> -maxrate 2500k -bufsize 1M -flags +cgop -g 30 -hls_list_size 0 -hls_time
> 10 -f hls %folder%/out2500_.m3u8
> Patches should be submitted to the ffmpeg-devel mailing list and not this
> bug tracker.
New description:
Summary of the bug:Encoding 1 input file to 4 different outputs causes 2nd
and 3rd m3u8 index filenames to be corrupt (additional junk characters
appended) on Windows 10. (Input file was a large 4K video)
How to reproduce:
issue the following command on Windows 10:
{{{
ffmpeg -i %video% -c:v libx264 -profile:v high -level 3.1 -s 1920x1080
-b:v 800k -maxrate 800k -bufsize 2M -flags +cgop -g 600 -hls_list_size 0
-hls_time 10 -f hls %folder%/out0800_.m3u8^
-c:v libx264 -profile:v high -level:v 3.1 -s 1920x1080 -b:v 1000k
-maxrate 1000k -bufsize 1M -flags +cgop -g 30 -hls_list_size 0 -hls_time
10 -f hls %folder%/out1000_.m3u8^
-c:v libx264 -profile:v high -level:v 3.1 -s 1920x1080 -b:v 1500k
-maxrate 1500k -bufsize 1M -flags +cgop -g 30 -hls_list_size 0 -hls_time
10 -f hls %folder%/out1500_.m3u8^
-c:v libx264 -profile:v high -level:v 3.1 -s 1920x1080 -b:v 2500k
-maxrate 2500k -bufsize 1M -flags +cgop -g 30 -hls_list_size 0 -hls_time
10 -f hls %folder%/out2500_.m3u8
}}}
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Ticket URL: <https://trac.ffmpeg.org/ticket/7438#comment:2>
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