H.264 - motohiko @ ウィキ

mpeg4 h.264/avc について。

Wikipedia(英語)
Wikipedia(日本語)

プロファイル

baseline profile

I, Pフレームのみ、エントロピー符号化はCAVLC+UVLCのみ

main profile

ベースラインプロファイルにBフレーム、CABAC、重み付け予測などを追加

レベル

Level number Max macroblocks per second Max frame size (macroblocks) Max video bit rate (VCL) for Baseline, Extended and Main Profiles Max video bit rate (VCL) for High Profile Max video bit rate (VCL) for High 10 Profile Max video bit rate (VCL) for High 4:2:2 and High 4:4:4 Predictive Profiles Examples for high resolution @
frame rate
(max stored frames)
in Level

1.3 11880 396 768 kbit/s 960 kbit/s 2304 kbit/s 3072 kbit/s [email protected] (7)
[email protected] (6)

2.1 19800 792 4 Mbit/s 5 Mbit/s 12 Mbit/s 16 Mbit/s [email protected] (7)
[email protected] (6)

{| class="wikitable" border="1" cellpadding="1" cellspacing="1" style="font-size: 100%; text-align: center; width: 100%"
|-
!Level number
!Max macroblocks per second
!Max frame size (macroblocks)
!Max video bit rate (VCL) for Baseline, Extended and Main Profiles
!Max video bit rate (VCL) for High Profile
!Max video bit rate (VCL) for High 10 Profile
!Max video bit rate (VCL) for High 4:2:2 and High 4:4:4 Predictive Profiles
!Examples for high resolution @<br>frame rate<br>(max stored frames)<br>in Level

|-
! 1
| 1485
| 99
| 64 kbit/s
| 80 kbit/s
| 192 kbit/s
| 256 kbit/s
| [email protected] (8)<br>[email protected] (4)

|-
! 1b
| 1485
| 99
| 128 kbit/s
| 160 kbit/s
| 384 kbit/s
| 512 kbit/s
| [email protected] (8)<br>[email protected] (4)

|-
! 1.1
| 3000
| 396
| 192 kbit/s
| 240 kbit/s
| 576 kbit/s
| 768 kbit/s
| [email protected] (9)<br>[email protected] (3)<br>[email protected] (2)

|-
! 1.2
| 6000
| 396
| 384 kbit/s
| 480 kbit/s
| 1152 kbit/s
| 1536 kbit/s
| [email protected] (7)<br>[email protected] (6)

|-
! 1.3
| 11880
| 396
| 768 kbit/s
| 960 kbit/s
| 2304 kbit/s
| 3072 kbit/s
| [email protected] (7)<br>[email protected] (6)

|-
! 2
| 11880
| 396
| 2 Mbit/s
| 2.5 Mbit/s
| 6 Mbit/s
| 8 Mbit/s
| [email protected] (7)<br>[email protected] (6)

|-
! 2.1
| 19800
| 792
| 4 Mbit/s
| 5 Mbit/s
| 12 Mbit/s
| 16 Mbit/s
| [email protected] (7)<br>[email protected] (6)

|-
! 2.2
| 20250
| 1620
| 4 Mbit/s
| 5 Mbit/s
| 12 Mbit/s
| 16 Mbit/s
| [email protected](10)<br>[email protected] (7)<br>[email protected] (6)<br>[email protected] (5)

|-
! 3
| 40500
| 1620
| 10 Mbit/s
| 12.5 Mbit/s
| 30 Mbit/s
| 40 Mbit/s
| [email protected] (12)<br>[email protected] (10)<br>[email protected] (6)<br>[email protected] (5)

|-
! 3.1
| 108000
| 3600
| 14 Mbit/s
| 17.5 Mbit/s
| 42 Mbit/s
| 56 Mbit/s
| [email protected] (13)<br>[email protected] (11)<br>[email protected] (5)

|-
! 3.2
| 216000
| 5120
| 20 Mbit/s
| 25 Mbit/s
| 60 Mbit/s
| 80 Mbit/s
| [email protected] (5)<br>[email protected] (4)

|-
! 4
| 245760
| 8192
| 20 Mbit/s
| 25 Mbit/s
| 60 Mbit/s
| 80 Mbit/s
| [email protected] (9)<br>[email protected] (4)<br>[email protected] (4)

|-
! 4.1
| 245760
| 8192
| 50 Mbit/s
| 62.5 Mbit/s
| 150 Mbit/s
| 200 Mbit/s
| [email protected] (9)<br>[email protected] (4)<br>[email protected] (4)

|-
! 4.2
| 522240
| 8704
| 50 Mbit/s
| 62.5 Mbit/s
| 150 Mbit/s
| 200 Mbit/s
| [email protected] (4)<br>[email protected] (4)

|-
! 5
| 589824
| 22080
| 135 Mbit/s
| 168.75 Mbit/s
| 405 Mbit/s
| 540 Mbit/s
| [email protected] (13)<br>[email protected] (13)<br>[email protected] (12)<br>[email protected] (5)<br>3680x1536/26.7 (5)

|-
! 5.1
| 983040
| 36864
| 240 Mbit/s
| 300 Mbit/s
| 720 Mbit/s
| 960 Mbit/s
| [email protected] (16)<br>[email protected] (5)<br>[email protected] (5)

|-
!Level number
!Max macroblocks per second
!Max frame size (macroblocks)
!Max video bit rate (VCL) for Baseline, Extended and Main Profiles
!Max video bit rate (VCL) for High Profile
!Max video bit rate (VCL) for High 10 Profile
!Max video bit rate (VCL) for High 4:2:2 and High 4:4:4 Predictive Profiles
!Examples for high resolution @<br>frame rate<br>(max stored frames)<br>in Level
|}