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https://github.com/mpv-player/mpv
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Updates for -af by Anders Johansson <ajh@watri.uwa.edu.au>, -rnd.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8188 b3059339-0415-0410-9bf9-f77b7e298cf2
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@ -278,6 +278,9 @@ Play files according to a playlist (1 file per row or Winamp or ASX format).
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.B \-quiet \ \
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Display less output and status messages.
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.TP
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.B \-rnd \ \
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Play files in random order.
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.TP
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.B \-sdp
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Specifies that the input file is a SDP ('Session Description Protocol')
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file that describes an RTP session (see http://www.live.com/mplayer/).
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@ -910,25 +913,35 @@ empty channels are inserted (except mixing from mono to stereo, then the mono
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channel is repeated in both of the output channels).
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If the number of output channels is smaller than the number of input channels
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the exceeding channels are truncated.
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.IPs format[=f,bps]
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Select the format f used for output from the filter layer.
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The format is selected according to the defines in libao2/afmt.h.
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The option bps is an integer and denotes bytes per sample and has to conform
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to the chosen format.
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.IPs "volume[=v0:v1:v2:v3:v4:v5:sc:pr:en]"
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.IPs format[=bps,f]
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Select the format f and bits per sample bps used for output from the
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filter layer. The option bps is an integer and denotes bytes per
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sample. The format f is a string containing a concatenated mix of:
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.br
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alaw, mulaw or imaadpcm
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.br
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float or int
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.br
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unsigned or signed
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.br
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le or be (little or big endian)
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.br
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.IPs "volume[=v:sc:pr:en]"
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Select the output volume level.
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This filter is not reentrant and can therefore only be enabled once for every
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audio stream.
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.RSss
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v0 to v5: desired gain in dB for each channel in the stream.
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The gain can be set from -60dB to +20dB (where -60dB equals a gain of 1/1000
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and +20dB equals a gain of 10).
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v: desired gain in dB for all channels in the stream. The gain can be
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set from -200dB to +40dB (where -200dB mutes the sound completely and
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+40dB equals a gain of 1000). The default gain is -20dB.
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.br
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sc: enable soft clipping.
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.br
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pr: enable probing of the audio stream instantaneous.
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The maximal volume is probed on a per channel basis and can only be accessed
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through the runtime interface of the filter.
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pr: enable probing of the volume level for each audio stream. Both the
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maximum and instantaneous volume is probed. The instantaneous volume
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can only be accessed through the runtime interface, but the maximum
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volume is printed at the end of the movie. This value can be used when
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transcoding movies to maximize the utilization of the dynamic range.
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.br
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en: enable and disable the volume control.
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.REss
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