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85 lines
1.5 KiB
Text
85 lines
1.5 KiB
Text
<!-- ##### SECTION Title ##### -->
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GstVideoScale
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<!-- ##### SECTION Short_Description ##### -->
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Scale a video buffer
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<!-- ##### SECTION Long_Description ##### -->
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<para>
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This library implements a scaling algorithm for video buffers.
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</para>
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<!-- ##### SECTION See_Also ##### -->
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<para>
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</para>
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<!-- ##### ENUM GstVideoScaleMethod ##### -->
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<para>
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the different scaling methods available.
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</para>
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@GST_VIDEOSCALE_POINT_SAMPLE: perform a point sample filter
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@GST_VIDEOSCALE_NEAREST: use a nearest neighbor algorithm
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@GST_VIDEOSCALE_BILINEAR: use a bilinear filter
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@GST_VIDEOSCALE_BICUBIC: use a bicubic filter
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<!-- ##### STRUCT GstVideoScale ##### -->
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<para>
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</para>
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@source_width:
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@source_height:
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@dest_width:
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@dest_height:
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@format:
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@method:
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@copy_row:
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@temp:
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@scale:
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@scaler:
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@filter:
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<!-- ##### USER_FUNCTION GstVideoScaleScaler ##### -->
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<para>
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the actual scaler implementation
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</para>
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@scale:
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@src:
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@dest:
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<!-- ##### FUNCTION gst_videoscale_new ##### -->
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<para>
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Create a new video scaler
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</para>
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@sw: the width of the source bitmap
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@sh: the height of the source bitmap
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@dw: the width of the destination bitmap
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@dh: the height of the destination bitmap
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@format: the format of the source and destination bitmaps
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@method: the filter method
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@Returns: a new scaler
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<!-- ##### MACRO gst_videoscale_scale ##### -->
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<para>
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Perform the scale
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</para>
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@scaler: the scaler
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@src: the source buffer
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@dest: the destination buffer
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<!-- ##### FUNCTION gst_videoscale_destroy ##### -->
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<para>
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Destroy the scaler
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</para>
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@scale: the scaler to destroy
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