On 2022-07-13 05:53, Moritz Barsnick wrote:
On Wed, Jul 06, 2022 at 13:36:30 -0700, Jim DeLaHunt wrote:
On 2022-07-06 02:46, Pavel Yermolenko via ffmpeg-user wrote:
In Python there is ffmeg support package: *ffmpeg-python*. ffmpeg-python
0.2.0 <https://pypi.org/project/ffmpeg-python/>
Unfortunately in the documentation [there] is no examples on how to
process subtitles.
So I guess that this asks you to do either (and stand by for a discussion of
the really big problem with this):
ffmpeg
.input(input_dir+video_file)
.input(input_dir+subtl_file)
.get_args(map='0:v', map='0:a', c='copy', map='1', 'c:s:0'='mov_text',
'metadata:s:s:0'='language=fra') ***Big problem!
.output(input_dir+'output.mp4')
.run()
In [the *ffmpeg-python*] test code, there is an "example" for maps:
https://github.com/kkroening/ffmpeg-python/blob/6189cd6861a90f6f52e6a8ba2db0fada54134194/ffmpeg/tests/test_ffmpeg.py#L657
args = ffmpeg.output(i1['1'], i1['2'], TEST_OUTPUT_FILE1).get_args()
for "-map 0:1 -map 0:2".
You can probably reverse-engineer that, if the documentation doesn't
suffice.
Good catch! That line does generate `-map` options to FFmpeg. That
proves it is possible.
The value of `i1` in that line is the return from a call to
`ffmpeg.input()`. The documentation for that, at
<https://kkroening.github.io/ffmpeg-python/index.html#ffmpeg.input>,
does not suffice for me at least to understand what the type of `i1` is,
and what is the result of getting the index '1' from `i1`. I think you
are right, it will require reading the code.
Cheers,
Moritz
Thank you,
—Jim DeLaHunt
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