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Diffstat (limited to 'Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst')
| -rw-r--r-- | Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst | 108 |
1 files changed, 100 insertions, 8 deletions
diff --git a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst index 3a09d93d405b..10b1feeb0b57 100644 --- a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst +++ b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst @@ -76,7 +76,7 @@ All components are stored with the same number of bits per component. - 'NV21' - 8 - 4:2:0 - - Cr, Cr + - Cr, Cb - Yes - Linear * - V4L2_PIX_FMT_NV12M @@ -90,7 +90,7 @@ All components are stored with the same number of bits per component. - 'NM21' - 8 - 4:2:0 - - Cr, Cr + - Cr, Cb - No - Linear * - V4L2_PIX_FMT_NV12MT @@ -109,6 +109,20 @@ All components are stored with the same number of bits per component. - Cb, Cr - No - 16x16 tiles + * - V4L2_PIX_FMT_P010 + - 'P010' + - 10 + - 4:2:0 + - Cb, Cr + - Yes + - Linear + * - V4L2_PIX_FMT_P010_4L4 + - 'T010' + - 10 + - 4:2:0 + - Cb, Cr + - Yes + - 4x4 tiles * - V4L2_PIX_FMT_NV16 - 'NV16' - 8 @@ -120,7 +134,7 @@ All components are stored with the same number of bits per component. - 'NV61' - 8 - 4:2:2 - - Cr, Cr + - Cr, Cb - Yes - Linear * - V4L2_PIX_FMT_NV16M @@ -134,7 +148,7 @@ All components are stored with the same number of bits per component. - 'NM61' - 8 - 4:2:2 - - Cr, Cr + - Cr, Cb - No - Linear * - V4L2_PIX_FMT_NV24 @@ -148,7 +162,7 @@ All components are stored with the same number of bits per component. - 'NV42' - 8 - 4:4:4 - - Cr, Cr + - Cr, Cb - Yes - Linear @@ -171,6 +185,7 @@ horizontally. .. _V4L2-PIX-FMT-NV21: .. _V4L2-PIX-FMT-NV12M: .. _V4L2-PIX-FMT-NV21M: +.. _V4L2-PIX-FMT-P010: NV12, NV21, NV12M and NV21M --------------------------- @@ -257,6 +272,9 @@ of the luma plane. .. _V4L2-PIX-FMT-NV12-4L4: .. _V4L2-PIX-FMT-NV12-16L16: .. _V4L2-PIX-FMT-NV12-32L32: +.. _V4L2-PIX-FMT-NV12M-8L128: +.. _V4L2-PIX-FMT-NV12M-10BE-8L128: +.. _V4L2-PIX-FMT-MM21: Tiled NV12 ---------- @@ -281,21 +299,47 @@ If the vertical resolution is an odd number of tiles, the last row of tiles is stored in linear order. The layouts of the luma and chroma planes are identical. -``V4L2_PIX_FMT_NV12_4L4`` stores pixel in 4x4 tiles, and stores +``V4L2_PIX_FMT_NV12_4L4`` stores pixels in 4x4 tiles, and stores tiles linearly in memory. The line stride and image height must be aligned to a multiple of 4. The layouts of the luma and chroma planes are identical. -``V4L2_PIX_FMT_NV12_16L16`` stores pixel in 16x16 tiles, and stores +``V4L2_PIX_FMT_NV12_16L16`` stores pixels in 16x16 tiles, and stores tiles linearly in memory. The line stride and image height must be aligned to a multiple of 16. The layouts of the luma and chroma planes are identical. -``V4L2_PIX_FMT_NV12_32L32`` stores pixel in 32x32 tiles, and stores +``V4L2_PIX_FMT_NV12_32L32`` stores pixels in 32x32 tiles, and stores tiles linearly in memory. The line stride and image height must be aligned to a multiple of 32. The layouts of the luma and chroma planes are identical. +``V4L2_PIX_FMT_NV12M_8L128`` is similar to ``V4L2_PIX_FMT_NV12M`` but stores +pixels in 2D 8x128 tiles, and stores tiles linearly in memory. +The image height must be aligned to a multiple of 128. +The layouts of the luma and chroma planes are identical. + +``V4L2_PIX_FMT_NV12M_10BE_8L128`` is similar to ``V4L2_PIX_FMT_NV12M`` but stores +10 bits pixels in 2D 8x128 tiles, and stores tiles linearly in memory. +the data is arranged in big endian order. +The image height must be aligned to a multiple of 128. +The layouts of the luma and chroma planes are identical. +Note the tile size is 8bytes multiplied by 128 bytes, +it means that the low bits and high bits of one pixel may be in different tiles. +The 10 bit pixels are packed, so 5 bytes contain 4 10-bit pixels layout like +this (for luma): +byte 0: Y0(bits 9-2) +byte 1: Y0(bits 1-0) Y1(bits 9-4) +byte 2: Y1(bits 3-0) Y2(bits 9-6) +byte 3: Y2(bits 5-0) Y3(bits 9-8) +byte 4: Y3(bits 7-0) + +``V4L2_PIX_FMT_MM21`` store luma pixel in 16x32 tiles, and chroma pixels +in 16x16 tiles. The line stride must be aligned to a multiple of 16 and the +image height must be aligned to a multiple of 32. The number of luma and chroma +tiles are identical, even though the tile size differ. The image is formed of +two non-contiguous planes. + .. _nv12mt: .. kernel-figure:: nv12mt.svg @@ -490,6 +534,50 @@ number of lines as the luma plane. - Cb\ :sub:`33` - Cr\ :sub:`33` +.. _V4L2_PIX_FMT_P010: +.. _V4L2-PIX-FMT-P010-4L4: + +P010 and tiled P010 +------------------- + +P010 is like NV12 with 10 bits per component, expanded to 16 bits. +Data in the 10 high bits, zeros in the 6 low bits, arranged in little endian order. + +.. flat-table:: Sample 4x4 P010 Image + :header-rows: 0 + :stub-columns: 0 + + * - start + 0: + - Y'\ :sub:`00` + - Y'\ :sub:`01` + - Y'\ :sub:`02` + - Y'\ :sub:`03` + * - start + 8: + - Y'\ :sub:`10` + - Y'\ :sub:`11` + - Y'\ :sub:`12` + - Y'\ :sub:`13` + * - start + 16: + - Y'\ :sub:`20` + - Y'\ :sub:`21` + - Y'\ :sub:`22` + - Y'\ :sub:`23` + * - start + 24: + - Y'\ :sub:`30` + - Y'\ :sub:`31` + - Y'\ :sub:`32` + - Y'\ :sub:`33` + * - start + 32: + - Cb\ :sub:`00` + - Cr\ :sub:`00` + - Cb\ :sub:`01` + - Cr\ :sub:`01` + * - start + 40: + - Cb\ :sub:`10` + - Cr\ :sub:`10` + - Cb\ :sub:`11` + - Cr\ :sub:`11` + Fully Planar YUV Formats ======================== @@ -509,6 +597,10 @@ relationship between the luma and chroma line padding and stride. All components are stored with the same number of bits per component. +``V4L2_PIX_FMT_P010_4L4`` stores pixels in 4x4 tiles, and stores tiles linearly +in memory. The line stride must be aligned to multiple of 8 and image height to +a multiple of 4. The layouts of the luma and chroma planes are identical. + .. raw:: latex \small |