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videoconvert: add dither-bits option

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Fix the dither option.
Add a new option to set the quantizer
This commit is contained in:
Wim Taymans 2014-12-02 11:51:19 +01:00
parent fc1d24ec45
commit 991a81bd5d
2 changed files with 23 additions and 3 deletions
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25
gst/videoconvert/gstvideoconvert.c
View file

@ -56,10 +56,14 @@ static GQuark _colorspace_quark;
#define gst_video_convert_parent_class parent_class
G_DEFINE_TYPE (GstVideoConvert, gst_video_convert, GST_TYPE_VIDEO_FILTER);
#define DEFAULT_PROP_DITHER GST_VIDEO_DITHER_BAYER
#define DEFAULT_PROP_DITHER_QUANTIZATION 1
enum
{
PROP_0,
PROP_DITHER
PROP_DITHER,
PROP_DITHER_QUANTIZATION
};
#define CSP_VIDEO_CAPS GST_VIDEO_CAPS_MAKE (GST_VIDEO_FORMATS_ALL) ";" \
@ -421,7 +425,10 @@ gst_video_convert_set_info (GstVideoFilter * filter,
space->convert = gst_video_converter_new (in_info, out_info,
gst_structure_new ("GstVideoConvertConfig",
"dither", GST_TYPE_VIDEO_DITHER_METHOD, space->dither, NULL));
GST_VIDEO_CONVERTER_OPT_DITHER_METHOD, GST_TYPE_VIDEO_DITHER_METHOD,
space->dither,
GST_VIDEO_CONVERTER_OPT_DITHER_QUANTIZATION, G_TYPE_UINT,
space->dither_quantization, NULL));
if (space->convert == NULL)
goto no_convert;
@ -496,13 +503,19 @@ gst_video_convert_class_init (GstVideoConvertClass * klass)
g_object_class_install_property (gobject_class, PROP_DITHER,
g_param_spec_enum ("dither", "Dither", "Apply dithering while converting",
gst_video_dither_method_get_type (), 0,
gst_video_dither_method_get_type (), DEFAULT_PROP_DITHER,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_DITHER_QUANTIZATION,
g_param_spec_uint ("dither-quantization", "Dither Quantize",
"Quantizer to use", 0, G_MAXUINT, DEFAULT_PROP_DITHER_QUANTIZATION,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
static void
gst_video_convert_init (GstVideoConvert * space)
{
space->dither = DEFAULT_PROP_DITHER;
space->dither_quantization = DEFAULT_PROP_DITHER_QUANTIZATION;
}
void
@ -517,6 +530,9 @@ gst_video_convert_set_property (GObject * object, guint property_id,
case PROP_DITHER:
csp->dither = g_value_get_enum (value);
break;
case PROP_DITHER_QUANTIZATION:
csp->dither_quantization = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@ -535,6 +551,9 @@ gst_video_convert_get_property (GObject * object, guint property_id,
case PROP_DITHER:
g_value_set_enum (value, csp->dither);
break;
case PROP_DITHER_QUANTIZATION:
g_value_set_uint (value, csp->dither_quantization);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;

1
gst/videoconvert/gstvideoconvert.h
View file

@ -48,6 +48,7 @@ struct _GstVideoConvert {
GstVideoConverter *convert;
GstVideoDitherMethod dither;
guint dither_quantization;
};
struct _GstVideoConvertClass