WIP:msdkjpegdec: add BGRA in src pad
MediaSDK may support RGB4 output for JPEG decoder when the color format of the input is YUV 4:4:4, so add BGRA in src pad for such input. Without this fix, the output format is NV12 for YUV 4:4:4 input.
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MediaSDK may support RGB4 output for JPEG decoder when the color format of the input is YUV 4:4:4, so add BGRA in src pad for such input. Without this fix, the output format is NV12 for YUV 4:4:4 input.