[FFmpeg-trac] #5773(avcodec:new): QSV decode and transcode with subtitle
FFmpeg
trac at avcodec.org
Thu Aug 11 13:54:51 EEST 2016
#5773: QSV decode and transcode with subtitle
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Reporter: bordon | Type:
Status: new | enhancement
Component: avcodec | Priority: important
Keywords: QSV decode | Version: git-
subtitle | master
Blocking: | Blocked By:
Analyzed by developer: 1 | Reproduced by developer: 0
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'''Summary of the bug:'''
The current version of ffmpeg can't call QSV hardware accelerated decoding
and burn subtitle into video when the subtitle isn't lay in the same
directory with ffmpeg.exe.
'''How to reproduce:'''
Prepare a Winows7 x64 system, and execute the following command:
ffmpeg.exe -hwaccel qsv -i D:\VideoFile\test.mkv -vf
subtitles=file=D:/VideoFile/test.srt -vcodec h264_nvenc -b:v 1500k
-acodec aac -b:a 64k -f mp4 d:\output\test_output.mp4
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Ticket URL: <https://trac.ffmpeg.org/ticket/5773>
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