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# Make sure tracks are saved in the same order.
def f() =
s =
once(
single(
"../media/@ffmpeg[format='mp4',@audio[codec='aac',channels=2],@audio_2[codec='aac',channels=1],@video[codec='libx264'],@video_2[codec='libx264']].mp4"
)
)
def on_stop() =
j =
process.read(
"ffprobe -v quiet -print_format json -show_streams \
ffmpeg-copy-encode.mkv"
)
let json.parse ({streams = [s1, s2]} : {streams: [{channels?: int}]}) = j
if s1?.channels != 2 or s2?.channels != 1 then test.fail() end
test.pass()
end
o =
output.file(
fallible=true,
%ffmpeg(%audio.copy, %audio_2(channels = 1, codec = "aac"), %video.copy),
"ffmpeg-copy-encode.mkv",
s
)
o.on_stop(synchronous=true, on_stop)
end
test.check(f)
|
