TAG:

这个帖子是转贴：因为下列内容，没有再h264的标准上出现，所以要转，我翻变了下列标准，都没有找到，希望网友告知我，这些内容到底在那个标准文档里面。
我已经翻阅的：
H.264官方中文版.pdf
H.264和MPEG-4视频压缩.pdf
H.264编解码手册.rar
T-REC-H.264-200503-S!!PDF-E.pdf

http://bbs.chinavideo.org/viewthread.php?tid=1986

关于level_idc和Profile_IDC的解释

我在帖子上经常看到问题,现发表在这,大家可以参考一下:

Class: Numeric (Integer)
Description: Set bitstream Profile IDC. Default is 88.

Note: Some profiles cannot support certain features. See MPEG-4 AVC for supported features for each profile. Reference software may perform tests for certain features for profile conformance, but it is possible that certain validations are missing. See Annex A of H.264/AVC.

*Options:*
66	Baseline
77	Main
88	Extended
100	High (FRExt)
110	High 10 (FRExt)
122	High 4:2:2 (FRExt)
144	High 4:4:4 (FRExt)

Class: Numeric (Integer)
Description: Set bitstream Level IDC. Default is 21.

Note: Similar with the ProfileIDC, LevelIDC sets certain restrictions during the encoding process, such as resolution supported, maximum number of references, frame rate etc. See Annex A of H.264/AVC.

*Options:*
10	1 (supports only QCIF format and below with 380160 samples/sec)
11	1.1 (CIF and below. 768000 samples/sec)
12	1.2 (CIF and below. 1536000 samples/sec)
13	1.3 (CIF and below. 3041280 samples/sec)
20	2 (CIF and below. 3041280 samples/sec)
21	2.1 (Supports HHR formats. Enables Interlace support. 5068800 samples/sec)
22	2.2 (Supports SD/4CIF formats. Enables Interlace support. 5184000 samples/sec)
30	3 (Supports SD/4CIF formats. Enables Interlace support. 10368000 samples/sec)
31	3.1 (Supports 720p HD format. Enables Interlace support. 27648000 samples/sec)
32	3.2 (Supports SXGA format. Enables Interlace support. 55296000 samples/sec)
40	4 (Supports 2Kx1K format. Enables Interlace support. 62914560 samples/sec)
41	4.1 (Supports 2Kx1K format. Enables Interlace support. 62914560 samples/sec)
42	4.2 (Supports 2Kx1K format. Frame coding only. 125829120 samples/sec)
50	5 (Supports 3672x1536 format. Frame coding only. 150994944 samples/sec)
51	5.1 (Supports 4096x2304 format. Frame coding only. 251658240 samples/sec)

附件有更多的详细介绍>>>>

(dvb-dvb)

h264 技术要点	H.264中的Slice和Slice Group
H.264 基础及 RTP 封包详解	deblock 未曾想到的痛苦
VLC不同版本对于H264标准文件的支持[VLC不能播H264]	H.264级别Level、DPB 与MaxDpb Mbs 详解
H.264参考帧管理	RTMP协议以及提取RTMP视频流组成H264视频文件
H.264先進視訊編解碼標準	H.264 NAL层解析

搜索

热门标签:

h264 : 关于level_idc和Profile_IDC的解释

关于level_idc和Profile_IDC的解释