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GStreamer Base Plugins 0.10 Plugins Reference Manual | ![]() |
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The volume element changes the volume of the audio data.
gst-launch -v -m audiotestsrc ! volume volume=0.5 ! level ! fakesink silent=TRUE
This pipeline shows that the level of audiotestsrc has been halved (peak values are around -6 dB and RMS around -9 dB) compared to the same pipeline without the volume element.
plugin | volume |
author | Andy Wingo <wingo@pobox.com> |
class | Filter/Effect/Audio |
name | src |
direction | source |
presence | always |
details | audio/x-raw-float, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int){ 32, 64 }; audio/x-raw-int, channels=(int)[ 1, 2147483647 ], rate=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)16, depth=(int)16, signed=(boolean)true |
name | sink |
direction | sink |
presence | always |
details | audio/x-raw-float, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int){ 32, 64 }; audio/x-raw-int, channels=(int)[ 1, 2147483647 ], rate=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)16, depth=(int)16, signed=(boolean)true |