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I
ItalianSC
Participant
August 13, 2017
Question

What's the difference of yuv420 PrPixelFormats

  • August 13, 2017
  • 1 reply
  • 1185 views

the prm sdk define below yuv420 PrPixelFormats:

PrPixelFormat_YUV_420_MPEG2_FRAME_PICTURE_PLANAR_8u_601    = MAKE_PIXEL_FORMAT_FOURCC('y', 'v', '1', '2'),

PrPixelFormat_YUV_420_MPEG2_FIELD_PICTURE_PLANAR_8u_601    = MAKE_PIXEL_FORMAT_FOURCC('y', 'v', 'i', '2'), 

PrPixelFormat_YUV_420_MPEG2_FRAME_PICTURE_PLANAR_8u_601_FullRange    = MAKE_PIXEL_FORMAT_FOURCC('y', 'v', '1', 'f'),      

PrPixelFormat_YUV_420_MPEG2_FIELD_PICTURE_PLANAR_8u_601_FullRange    = MAKE_PIXEL_FORMAT_FOURCC('y', 'v', 'i', 'f'),       

PrPixelFormat_YUV_420_MPEG2_FRAME_PICTURE_PLANAR_8u_709    = MAKE_PIXEL_FORMAT_FOURCC('y', 'v', '1', '7'),       

PrPixelFormat_YUV_420_MPEG2_FIELD_PICTURE_PLANAR_8u_709    = MAKE_PIXEL_FORMAT_FOURCC('y', 'v', 'i', '7'),       

PrPixelFormat_YUV_420_MPEG2_FRAME_PICTURE_PLANAR_8u_709_FullRange    = MAKE_PIXEL_FORMAT_FOURCC('y', 'v', '1', 'F'),       

PrPixelFormat_YUV_420_MPEG2_FIELD_PICTURE_PLANAR_8u_709_FullRange    = MAKE_PIXEL_FORMAT_FOURCC('y', 'v', 'i', 'F'),       

PrPixelFormat_YUV_420_MPEG4_FRAME_PICTURE_PLANAR_8u_601    = MAKE_PIXEL_FORMAT_FOURCC('Y', 'v', '1', '2'),       

PrPixelFormat_YUV_420_MPEG4_FIELD_PICTURE_PLANAR_8u_601    = MAKE_PIXEL_FORMAT_FOURCC('Y', 'v', 'i', '2'),       

PrPixelFormat_YUV_420_MPEG4_FRAME_PICTURE_PLANAR_8u_601_FullRange    = MAKE_PIXEL_FORMAT_FOURCC('Y', 'v', '1', 'f'),       

PrPixelFormat_YUV_420_MPEG4_FIELD_PICTURE_PLANAR_8u_601_FullRange    = MAKE_PIXEL_FORMAT_FOURCC('Y', 'v', 'i', 'f'),      

PrPixelFormat_YUV_420_MPEG4_FRAME_PICTURE_PLANAR_8u_709    = MAKE_PIXEL_FORMAT_FOURCC('Y', 'v', '1', '7'),       

PrPixelFormat_YUV_420_MPEG4_FIELD_PICTURE_PLANAR_8u_709    = MAKE_PIXEL_FORMAT_FOURCC('Y', 'v', 'i', '7'),       

PrPixelFormat_YUV_420_MPEG4_FRAME_PICTURE_PLANAR_8u_709_FullRange    = MAKE_PIXEL_FORMAT_FOURCC('Y', 'v', '1', 'F'),       

PrPixelFormat_YUV_420_MPEG4_FIELD_PICTURE_PLANAR_8u_709_FullRange    = MAKE_PIXEL_FORMAT_FOURCC('Y', 'v', 'i', 'F'),      

but,what's the difference between these formats? I know 601 & 709 means BT601 & BT709 colorspace,but what's the meaning of word "FRAME","FIELD","MPEG2","MPEG4", and "FullRange"?

This topic has been closed for replies.

1 reply

I
ItalianSCAuthor
Participant
August 13, 2017

If I want to develop a h264 export plugin,which pixel format I should choose?

E
e_d_
Inspiring
August 14, 2017

Hi,

you need more or less all of them, depending on the capabilities you want to offer...


FRAME/FIELD = progressive / interlaced

FullRange = use luminance levels of 0..255 instead of 16..235

MPEG2/MPEG4 = use feature-set of respective encoding methods

I
ItalianSCAuthor
Participant
August 14, 2017

Hi,

Is it means if the video my plugin process is interleaved,I should use FIELD pixel format,otherwise use FRAME pixel format?

my plugin do h264 & hevc video encoding,so should I use MPEG4 pixel format ?

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