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Description:

This Plugin will automatically manage bitrate for you.

As a rule of thumb, for audible transparency, use 64 kBit/s for each channel (so 128 kBit/s for stereo, 384 kBit/s for 5.1 surround sound).

This Plugin will detect the number of channels in each stream and apply a bitrate in accordance with this rule.

Documentation:

For information on the available encoder settings:

Config description:

Max input stream packet buffer

When transcoding audio and/or video streams, ffmpeg will not begin writing into the output until it has one packet for each such stream. While waiting for that to happen, packets for other streams are buffered. This option sets the size of this buffer, in packets, for the matching output stream.

FFmpeg docs refer to this value as '-max_muxing_queue_size'

Write your own FFmpeg params

This free text input allows you to write any FFmpeg params that you want. This is for more advanced use cases where you need finer control over the file transcode.

:::note These params are added in three different places:

  1. MAIN OPTIONS - After the default generic options. (Main Options Docs)
  2. ADVANCED OPTIONS - After the input file has been specified. (Advanced Options Docs)
  3. AUDIO OPTIONS - After the audio stream is mapped and the encoder is selected. (Audio Options Docs) (Advanced Audio Options Docs)
ffmpeg \
    -hide_banner \
    -loglevel info \
    <CUSTOM MAIN OPTIONS HERE> \
    -i /path/to/input/video.mkv \
    <CUSTOM ADVANCED OPTIONS HERE> \
    -map 0:0 -map 0:1 \
    -c:v:0 copy \
    -c:a:0 aac \
    <CUSTOM AUDIO OPTIONS HERE> \
    -y /path/to/output/video.mkv

:::