diff options
| -rw-r--r-- | gst-libs/gst/audio/audio.h | 42 |
1 files changed, 28 insertions, 14 deletions
diff --git a/gst-libs/gst/audio/audio.h b/gst-libs/gst/audio/audio.h index 4672a4d6..2b27d0fe 100644 --- a/gst-libs/gst/audio/audio.h +++ b/gst-libs/gst/audio/audio.h @@ -20,15 +20,16 @@ #include <gst/gst.h> -/* for people that are looking at this source: the purpose of these defines is +/* For people that are looking at this source: the purpose of these defines is * to make GstCaps a bit easier, in that you don't have to know all of the * properties that need to be defined. you can just use these macros. currently * (8/01) the only plugins that use these are the passthrough, speed, volume, - * and [de]interleave plugins. so. these are for convenience only, and do not - * specify the 'limits' of gstreamer. you might also use these definitions as a + * adder, and [de]interleave plugins. + * These are for convenience only, and do not specify the 'limits' of + * GStreamer. you might also use these definitions as a * base for making your own caps, if need be. * - * for example, to make a source pad that can output mono streams of either + * For example, to make a source pad that can output mono streams of either * float or int: template = gst_pad_template_new @@ -41,7 +42,13 @@ srcpad = gst_pad_new_from_template(template,"src"); - * Andy Wingo, 18 August 2001 */ + * Andy Wingo, 18 August 2001 + * Thomas, 6 September 2002 */ + +/* a few useful defines for arbitrary limits */ +#define GST_AUDIO_MIN_RATE 4000 +#define GST_AUDIO_MAX_RATE 96000 +#define GST_AUDIO_DEF_RATE 44100 #define GST_AUDIO_INT_PAD_TEMPLATE_PROPS \ gst_props_new (\ @@ -50,11 +57,14 @@ "endianness", GST_PROPS_INT (G_BYTE_ORDER),\ "signed", GST_PROPS_LIST (\ GST_PROPS_BOOLEAN (TRUE),\ - GST_PROPS_BOOLEAN(FALSE)\ + GST_PROPS_BOOLEAN (FALSE)\ ),\ - "width", GST_PROPS_LIST (GST_PROPS_INT(8), GST_PROPS_INT(16)),\ - "depth", GST_PROPS_LIST (GST_PROPS_INT(8), GST_PROPS_INT(16)),\ - "rate", GST_PROPS_INT_RANGE (4000, 96000),\ + "width", GST_PROPS_LIST (GST_PROPS_INT (8), \ + GST_PROPS_INT (16)), \ + "depth", GST_PROPS_LIST (GST_PROPS_INT (8), \ + GST_PROPS_INT (16)),\ + "rate", GST_PROPS_INT_RANGE (GST_AUDIO_MIN_RATE, \ + GST_AUDIO_MAX_RATE),\ "channels", GST_PROPS_INT_RANGE (1, G_MAXINT),\ NULL) @@ -65,11 +75,14 @@ "endianness", GST_PROPS_INT (G_BYTE_ORDER),\ "signed", GST_PROPS_LIST (\ GST_PROPS_BOOLEAN (TRUE),\ - GST_PROPS_BOOLEAN(FALSE)\ + GST_PROPS_BOOLEAN (FALSE)\ ),\ - "width", GST_PROPS_LIST (GST_PROPS_INT(8), GST_PROPS_INT(16)),\ - "depth", GST_PROPS_LIST (GST_PROPS_INT(8), GST_PROPS_INT(16)),\ - "rate", GST_PROPS_INT_RANGE (4000, 96000),\ + "width", GST_PROPS_LIST (GST_PROPS_INT (8), \ + GST_PROPS_INT (16)),\ + "depth", GST_PROPS_LIST (GST_PROPS_INT (8), \ + GST_PROPS_INT (16)),\ + "rate", GST_PROPS_INT_RANGE (GST_AUDIO_MIN_RATE, \ + GST_AUDIO_MAX_RATE),\ "channels", GST_PROPS_INT (1),\ NULL) @@ -79,7 +92,8 @@ "layout", GST_PROPS_STRING ("gfloat"),\ "intercept", GST_PROPS_FLOAT (0.0),\ "slope", GST_PROPS_FLOAT (1.0),\ - "rate", GST_PROPS_INT_RANGE (4000, 96000),\ + "rate", GST_PROPS_INT_RANGE (GST_AUDIO_MIN_RATE, \ + GST_AUDIO_MAX_RATE),\ "channels", GST_PROPS_INT (1),\ NULL) |