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217e634f7e
Changes: * Move format constants to decode.go so that the mapping and values are within a single file. This will help with code readability. * Frame decoder unit tests now use NewDecoder instead of calling internal decode functions to increase test coverage for public APIs
50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
package frame
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import (
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"fmt"
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)
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type Format string
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const (
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// FormatI420 https://www.fourcc.org/pixel-format/yuv-i420/
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FormatI420 Format = "I420"
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// FormatI444 is a YUV format without sub-sampling
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FormatI444 Format = "I444"
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// FormatNV21 https://www.fourcc.org/pixel-format/yuv-nv21/
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FormatNV21 = "NV21"
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// FormatNV12 https://www.fourcc.org/pixel-format/yuv-nv12/
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FormatNV12 = "NV12"
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// FormatYUY2 https://www.fourcc.org/pixel-format/yuv-yuy2/
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FormatYUY2 = "YUY2"
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// FormatUYVY https://www.fourcc.org/pixel-format/yuv-uyvy/
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FormatUYVY = "UYVY"
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// FormatRGBA https://www.fourcc.org/pixel-format/rgb-rgba/
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FormatRGBA Format = "RGBA"
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// FormatMJPEG https://www.fourcc.org/mjpg/
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FormatMJPEG = "MJPEG"
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)
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const FormatYUYV = FormatYUY2
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var decoderMap = map[Format]decoderFunc{
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FormatI420: decodeI420,
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FormatNV21: decodeNV21,
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FormatNV12: decodeNV12,
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FormatYUY2: decodeYUY2,
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FormatUYVY: decodeUYVY,
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FormatMJPEG: decodeMJPEG,
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}
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func NewDecoder(f Format) (Decoder, error) {
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decoder, ok := decoderMap[f]
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if !ok {
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return nil, fmt.Errorf("%s is not supported", f)
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}
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return decoder, nil
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}
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