| GStreamer Ugly Plugins 0.10 Plugins Reference Manual | ||||
|---|---|---|---|---|
synaesthesiasynaesthesia — Creates video visualizations of audio input, using stereo and pitch information |
GstSynaesthesia;
Synaesthesia is an audio visualisation element. It creates glitter and pulsating fog based on the incomming audio signal.
gst-launch -v audiotestsrc ! audioconvert ! synaesthesia ! ximagesink gst-launch -v audiotestsrc ! audioconvert ! synaesthesia ! ffmpegcolorspace ! xvimagesink
| plugin | synaesthesia |
| author | Richard Boulton <richard@tartarus.org> |
| class | Visualization |
| name | sink |
| direction | sink |
| presence | always |
| details | audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)2, endianness=(int)1234, width=(int)16, depth=(int)16, signed=(boolean)true |
| name | src |
| direction | source |
| presence | always |
| details | video/x-raw-rgb, bpp=(int)32, depth=(int)24, endianness=(int)4321, red_mask=(int)65280, green_mask=(int)16711680, blue_mask=(int)-16777216, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ] |
typedef struct {
GstElement element;
/* pads */
GstPad *sinkpad, *srcpad;
GstAdapter *adapter;
guint64 next_ts; /* the timestamp of the next frame */
guint64 frame_duration;
guint bps; /* bytes per sample */
guint spf; /* samples per video frame */
gint16 datain[2][SYNAES_SAMPLES];
/* video state */
gint fps_n, fps_d;
gint width;
gint height;
gint channels;
/* Audio state */
gint sample_rate;
gint rate;
/* Synaesthesia instance */
syn_instance *si;
} GstSynaesthesia;