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audiovisualizers: update README and TODO comments

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This commit is contained in:
Stefan Sauer 2011-11-23 11:31:44 +01:00
parent 3ba8b3c0ad
commit 03f1f0214e
2 changed files with 13 additions and 7 deletions
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18
gst/audiovisualizers/README
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@ -8,13 +8,15 @@ subclass). The baseclass takes care of that.
= API =
* should we add some basic drawing helpers to the baseclass
* we have a couple of drawing helpers in gstdrawhelpers.h
(would be nice if we could use cairo)
draw_point (x,y,color);
draw_line (x1,x2,y1,y2,color);
* some more we could add:
draw_hline (x1,x2,y,color);
draw_vline (x,y1,y2,color);
draw_rect (x1,x2,y1,y2,color);
draw_box (x1,x2,y1,y2,color); // filled
- would be nice if we could use cairo
* shading effects
- would be nice to use a generic 3x3 matrix operation, we don't run inplace
anyway
@ -22,6 +24,7 @@ subclass). The baseclass takes care of that.
= Elements to port =
gst-plugin-ugly/gst/synaestesia -> synaescope
gst-plugin-bad/gst/smoothwave -> wavescope
gst-plugin-good/gst/monoscope -> blend into what we have in wavescope
= Elements to add =
@ -41,11 +44,12 @@ GST_DEBUG="*:2,*scope*:4"
GST_PLUGIN_PATH=$GST_PLUGIN_PATH:$PWD gst-inspect scopes
GST_PLUGIN_PATH=$GST_PLUGIN_PATH:$PWD gst-launch audiotestsrc ! audioconvert ! wavescope ! colorspace ! ximagesink
GST_PLUGIN_PATH=$GST_PLUGIN_PATH:$PWD gst-launch filesrc location=/home/ensonic/Musik/xotox-hypnocat.mp3 ! decodebin2 ! audioconvert ! wavescope ! colorspace ! ximagesink
GST_PLUGIN_PATH=$GST_PLUGIN_PATH:$PWD gst-launch filesrc location=/home/ensonic/Musik/xotox-hypnocat.mp3 ! decodebin2 ! audioconvert ! spectrascope ! colorspace ! ximagesink
GST_PLUGIN_PATH=$GST_PLUGIN_PATH:$PWD gst-launch filesrc location=$HOME/Music/1.mp3 ! decodebin2 ! audioconvert ! wavescope ! colorspace ! ximagesink
GST_PLUGIN_PATH=$GST_PLUGIN_PATH:$PWD gst-launch filesrc location=/home/ensonic/Musik/Gridlock/Trace/04\ Uh4.17.mp3 ! decodebin2 ! audioconvert ! spectrascope ! colorspace ! ximagesink
GST_PLUGIN_PATH=$GST_PLUGIN_PATH:$PWD gst-launch filesrc location=/home/ensonic/Musik/Gridlock/Trace/04\ Uh4.17.mp3 ! decodebin2 ! audioconvert ! spectrascope shader=fade-and-move-up shade-amount=0x00040302 ! colorspace ! ximagesink
GST_PLUGIN_PATH=$GST_PLUGIN_PATH:$PWD gst-launch filesrc location=$HOME/Music/1.mp3 ! decodebin2 ! audioconvert ! spacescope style=lines shade-amount=0x00080402 ! ximagesink
GST_PLUGIN_PATH=$GST_PLUGIN_PATH:$PWD gst-launch filesrc location=/home/ensonic/Musik/Gridlock/Trace/04\ Uh4.17.mp3 ! decodebin2 ! tee name=t ! queue ! audioconvert ! synaesthesia ! ximagesink t. ! queue ! synaescope shade-amount=0x00040404 ! colorspace ! ximagesink
GST_PLUGIN_PATH=$GST_PLUGIN_PATH:$PWD gst-launch filesrc location=$HOME/Music/1.mp3 ! decodebin2 ! audioconvert ! spectrascope ! colorspace ! ximagesink
GST_PLUGIN_PATH=$GST_PLUGIN_PATH:$PWD gst-launch filesrc location=$HOME/Music/1.mp3 ! decodebin2 ! audioconvert ! spectrascope shader=fade-and-move-up shade-amount=0x00040302 ! colorspace ! ximagesink
GST_PLUGIN_PATH=$GST_PLUGIN_PATH:$PWD gst-launch filesrc location=$HOME/Music/1.mp3 ! decodebin2 ! tee name=t ! queue ! audioconvert ! synaesthesia ! ximagesink t. ! queue ! synaescope shade-amount=0x00040404 ! colorspace ! ximagesink

2
gst/audiovisualizers/gstdrawhelpers.h
View file

@ -18,6 +18,8 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* FIXME: add versions that don't ignore alpha */
#define draw_dot(_vd, _x, _y, _st, _c) G_STMT_START { \
_vd[(_y * _st) + _x] = _c; \
} G_STMT_END