320X240 320X180 416X240 Picture Aspect Ratio
Total Page:16
File Type:pdf, Size:1020Kb
No. 1 2 3 Profile PD PD PD Mandatory/Optional in Spec(note1) Mandatory Resolution (Nominal) 320x240 320X180 416x240 Picture Aspect Ratio (Nominal) 4x3 16x9 16x9 Horizontal Encoded Frame Size - N/16 - 1 = 320 320 416 Verticalpic_width_in_mbs_minus1 Encoded Frame Size - N/16 - 1 = pic_height_in_map_units_minus1 240 192 240 Active Picture Width (Max) 320 320 416 Active Picture Height (Max) 240 180 240 Cropping Center Center picture Center picture, AVC in 180 line picture, AVC crop set to area, AVC crop set to active area crop set to active area active area Overscan Flag = 1? No No No Aspect Ratio Sample Aspect Ratio - aspect_ratio_idc (sar_width, sar_height - if necessary) 1.00 1.00 1.00 Aspect Ratio - Container ["picture" del] 1.333 1.667 1.733 Picture Aspect Ratio - Active 1.333 1.778 1.733 Display width (sq. pixels, w/o overscan) 320 320 416 Display width Max (sq. pixels, w/ overscan) 320 320 416 Frame rates 11.99p, 11.99p, 11.99p, 14.99p, 14.99p, 14.99p, 23.976p, 25p, 23.976p, 25p, 23.976p, 25p, 29.97p 29.97p 29.97p Progressive / interlace Progressive Progressive Progressive Black Padding Inactive frame areas shall be filled with visible black (RGB=16, 16, 16) Quantization range[2] Luma (Y') 16-235 visible (not clipped, 1 - 255 valid) Color space [3] BT.709-5, , chroma +/-128 (clipped; i.e. no negative RGB coefficients) Recommended practice topics Interlaced temporal sub-sampling, Content not interlace filtered, intended for deinterlacers and progressive display (device should flicker filter if direct to interlaced CRT). Encoding 3:2 pulldown not recommended. filtering Gamma curve, render intent, display maritx_coefficients=1, i.e. BT.601 and BT.709 gamma. Video balanced on standard gamma 2.2 studio monitor and viewing conditions, devices shall provide gamma compensation (e.g. 2.5 - 3.0 for adaptation small screens and bright viewing, 1.8 - 2.0 for home theater) 50Hz Devices shall decode 50Hz picture formats allowed above. Devices shall display 50Hz formats if equipped with internal displays. Devices shall output at 50 Hz or higher, if equipped with compatible video outputs, e.g. SCART, HDMI, VGA, etc. Format conversion from 25/50Hz to 60Hz outputs is optional for devices. [1] e.g. NTSC, PAL, anamorphic, sq, … [2] e.g. 16-235, 0-255, +/-128, … [3] e.g. Rec 601, 709; negative coefficients (note1) Mandatory: Mandatory for all devices to support for each corresponding Profile. Optional: Optional for all devices to support for each corresponding Profile. 4 5 6 7 8 9 SD SD SD SD SD Mandatory 480x360 640x480 864x480 704x480 720x480 4x3 4x3 16x9 4x3 16x9 4x3 480 640 864 704 704 720 360 480 480 480 480 480 480 640 864 704 704 704 360 480 480 480 480 480 Center picture, Center picture, Center picture, Center Center Center AVC crop set AVC crop set AVC crop set picture, picture, picture, to active area to active area to active area AVC crop AVC crop AVC crop set to set to set to active area active area active area No No No No No Yes 1.00 1.00 1.00 0.91 1.21 0.91 1.333 1.333 1.800 1.333 1.778 1.364 1.333 1.333 1.800 1.333 1.778 1.333 480 640 864 640 853 640 480 640 864 640 853 655 11.99p, 11.99p, 11.99p, 23.976p, 23.976p, 23.976p, 14.99p, 14.99p, 14.99p, 29.97i 29.97i 29.97i 23.976p, 25p, 23.976p, 25p, 23.976p, 25p 29.97p 29.97p Progressive Progressive Progressive Both Both Both Inactive frame areas shall be filled with visible black (RGB=16, 16, 16) Luma (Y') 16-235 visible (not clipped, 1 - 255 valid) BT.709-5, , chroma +/-128 (clipped; i.e. no negative RGB coefficients) Content not interlace filtered, intended for deinterlacers and progressive display (device should flicker filter if direct to interlaced CRT). Encoding 3:2 pulldown not recommended. maritx_coefficients=1, i.e. BT.601 and BT.709 gamma. Video balanced on standard gamma 2.2 studio monitor and viewing conditions, devices shall provide gamma compensation (e.g. 2.5 - 3.0 for small screens and bright viewing, 1.8 - 2.0 for home theater) Devices shall decode 50Hz picture formats allowed above. Devices shall display 50Hz formats if equipped with internal displays. Devices shall output at 50 Hz or higher, if equipped with compatible video outputs, e.g. SCART, HDMI, VGA, etc. Format conversion from 25/50Hz to 60Hz outputs is optional for devices. 10 11 12 13 14 SD HD HD HD HD Mandatory 720x480 1280X720 960X720 1440X1080 1920X1080 16x9 16x9 4x3 4x3 16x9 720 1280 960 1440 1920 480 720 720 1088 1088 704 1280 960 1440 1920 480 720 720 1080 1080 Center Center picture, Center picture, Center Center picture, AVC crop set AVC crop set picture in picture in AVC crop to active area to active area 1080 line 1080 line set to area, AVC area, AVC active area crop set to crop set to active area active area Yes No No No No 1.21 1.00 1.00 1.00 1.00 1.818 1.778 1.333 1.324 1.765 1.778 1.778 1.333 1.333 1.778 853 1280 960 1440 1920 873 1280 960 1440 1920 23.976p, 23.976p, 25p, 23.976p, 25p, 23.976p, 23.976p, 29.97i 29.97p, 50p, 29.97p, 50p, 25p, 25p, 59.94p 59.94p 29.97p, 29.97p, 50p, 25i, 50p, 25i, 29.97i 29.97i Both Progressive Progressive Both Both Inactive frame areas shall be filled with visible black (RGB=16, 16, 16) Luma (Y') 16-235 visible (not clipped, 1 - 255 valid) BT.709-5, , chroma +/-128 (clipped; i.e. no negative RGB coefficients) Content not interlace filtered, intended for deinterlacers and progressive display (device should flicker filter if direct to interlaced CRT). Encoding 3:2 pulldown not recommended. maritx_coefficients=1, i.e. BT.601 and BT.709 gamma. Video balanced on standard gamma 2.2 studio monitor and viewing conditions, devices shall provide gamma compensation (e.g. 2.5 - 3.0 for small screens and bright viewing, 1.8 - 2.0 for home theater) Devices shall decode 50Hz picture formats allowed above. Devices shall display 50Hz formats if equipped with internal displays. Devices shall output at 50 Hz or higher, if equipped with compatible No. 1 Proponent Example Profile HD Mandatory/Optional in Spec(note1) Mandatory Resolution 1920x1080 Horizontal Encoded Size - 1920 pic_width_in_mbs_minus1 pic_width_in_mbs_minus1: 119 Vertical Encoded Size - 1088 pic_height_in_map_units_minus1 pic_height_in_map_units_minus1: PLACEHOLDER TB CLEANED BY 67 MOVING TO SEPARATE PROFILES AND MOVING BELOW Display Width 1920 Display Height 1080 Cropping Crop 8 bottom lines using AVC cropping parameter. frame_crop_bottom_offset : 4 Overscan No Aspect Ratio Sample Aspect Ratio - aspect_ratio_idc 1:1 (sar_width, sar_height - if necessary) aspect_ratio_idc: 1 Picture Aspect Ratio - Container 16:9 Picture Aspect Ratio - Active 1.85, 2.35 etc Frame rates 23.976 50Hz Progressive / interlace Progressive Black Padding Send coordinates of active picture using private data stream Quantization range[2] 16-235, 0-253 legal range as defined in Rec 601 and 709 Color space [3] Req 709 Recommended practice topics Interlaced temporal sub-sampling, filtering Gamma curve, render intent, display adaptation [1] e.g. NTSC, PAL, anamorphic, sq, … [2] e.g. 16-235, 0-255, +/-128, … [3] e.g. Rec 601, 709; negative coefficients (note1) Mandatory: Mandatory for all devices to support for each corresponding Profile. Optional: Optional for all devices to support for each corresponding Profile. 2 3 Sony Microsoft Toshiba Panasonic ALL ALL 720x480 , 1280x720, PD 320x240, 416x240, SD 1920x1080, plus 720x576 for 640x480, 720x480NTSC, 50Hz 864x480, HD 1280x720, 1440x1080, 1920x1080 720, 1280, 1920, 720 PD 320 480, 720, 1080, 576 PD 240 Optional for devices to crop AVC cropping parameters L+R to 704 with overscan flag specified in stream and ISO in AVC elementary stream Track size equals decoder output size e.g. 1080 or 704, not 1088 or 720 encoded size 1:1, 10:11, 40:33, 4:3, plus 1:1, 10:11, 40:33, 4:3 12:11, 16:11 for 50Hz 4:3, 16:9 1.33, 1.78, 1.85, 2.35 Encoded frame 4:3 , 16:9 29.97, 23.976 plus 25 for 50Hz 14.99, 23.976, 25, 29.97, 50, 59.94 Both Both Send coordinates of active OK, but encode AVC cropping picture parameters of actual picture using private data stream area 16-235, 0-253 legal range as 16-235, 0-253 visible range, defined in Rec 601 and 709 not clipped, as defined in Rec 601 and 709 Req 601 for PD, SD, Req 709 Req 601 for PD, SD; Req 709 for HD for HD, negative RGB OK Optimized for progressive display, default AVC 4:2:0 subsample locations Encoded with studio monitor gamma. Display correction applied by device (e.g. 2.4 for computer or hand held, 1.5 for home theater) 4 5 6 7 Toshiba Paramount Paramount NBCU Panasonic Samsung Nokia PD SD HD PD Mandatory 320x240, 640x480, 1280x720 320x240, 320x180 720x480 1920x1080 416x240 720x576 320, 416 240 320x192 for 320x180 Cropping Cropping Cropping limited to the limited to the limited to size of the size of the the size of active picture active picture the active area area picture area No 1:1 1:1, 10:11, 1:1, 10:11, 1:1 40:33, 4:3, 40:33, 4:3, plus 12:11, plus 12:11, 16:11 for 16:11 for 50Hz 50Hz 4:3, 16:9 4:3, 16:9 4:3, 16:9 4:3, 16:9 1.33, 1.78, 1.33, 1.78, 1.33, 1.85, 2.35, 1.85, 2.35, 1.78, 2.40 2.40 1.85, 2.35, 2.40 29.97 23.976, 25, 23.976, 25, 23.976, 29.97, 50, 29.97, 50, 29.97, 25, 59.94 59.94 30 Optional Optional Progressive Both Both Progressive Send coordinates of active picture Padding is Padding is acceptable in acceptable in addition to addition to cropping as cropping as limited in Item limited in Item 7 7 16-235 legal range as defined in 16-235, 0-253 16-235, 0-253 16-235, 0- Rec 601 legal range as legal range as 253 legal defined in Rec defined in Rec range as 601 and 709 601 and 709 defined in Rec 601 and 709 Req 709 Req 601 Req 709 Rec 709 or Rec 601 Optional Optional Notes to Discuss: • [MS] Attempting to pre-correct for limited devices at encoding (e.g.