The master m3u8, generated by FFmpeg: #EXTM3U #EXT-X-VERSION:6 #EXT-X-STREAM Search for jobs related to Ffmpeg hls multiple resolutions or hire on the world's largest freelancing marketplace with 21m+ jobs.
This makes it much easier to add later more audio streams. Ask Question Asked 10 years, 11 months ago. This way I'm sure there are always 2 audio channels available.Ffmpeg multi bitrate hls. '-filter_complex' 'amerge=inputs=2,channelmap=channel_layout=stereo'Īnd added a dummy audio track in case a second input is not available: I've updated the filter to use the first two available audio inputs: dont run ffprobe first to figure out the number of available tracks.)įor the record, this is the full command that will be executed: Is there a way to use a conditional for this filter to only apply it if there is more than one audio track available without running multiple commands? (ie.
Stream specifier ':a:1' in filtergraph description amerge,channelmap=channel_layout=stereo matches no streams.
The problem is that some input video's only have one stereo audio track to begin with, which will result in the obvious error: '-filter_complex' 'amerge,channelmap=channel_layout=stereo' I've managed to do this using the following filter: Some of the input videos have 6 (mono) audio tracks of which the first two audio tracks should be merged to one stereo audio track. Hi all! I'm using FFMpeg in a webapp to create preview video's for some non web-playable formats.
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