使用EXT-X-MAP标记的任何m3u8播放列表示例
使用EXT-X-MAP标记的任何m3u8播放列表示例
提问于 2012-10-16 02:44:37
标签是介绍在草案-09的HLS规范，没有任何例子。
3.4.13. EXT-X-MAP
The EXT-X-MAP tag specifies how to obtain the Transport Stream PAT/
PMT for the applicable media segment. It applies to every media
segment that appears after it in the Playlist until the next EXT-X-
DISCONTINUITY tag, or until the end of the playlist.
The EXT-X-MAP tag MUST NOT appear unless the Playlist also contains
the EXT-X-I-FRAMES-ONLY tag. It is RECOMMENDED that the EXT-X-MAP
tag only be used for segments whose resource does not start with a
PAT/PMT.
Its format is:
#EXT-X-MAP:<attribute-list>
The following attributes are defined:
URI
The value is a quoted-string containing a URI that identifies a
resource that contains the Transport Stream PAT/PMT. This attribute
is mandatory.
BYTERANGE
The value is a quoted-string specifying a byte range into the
resource identified by the URI attribute. This range SHOULD contain
only the Transport Stream PAT/PMT. The format of the byte range is
described in Section 3.4.1. This attribute is optional; if it is not
present, the byte range is the entire resource indicated by the URI.
The EXT-X-MAP tag appeared in version 5 of the protocol. 回答 1
Stack Overflow用户
发布于 2015-05-09 08:56:27
PAT/PMT initalization 560从main.mp4中的偏移0开始的示例
#EXTM3U
#EXT-X-TARGETDURATION:5
#EXT-X-VERSION:7
#EXT-X-MEDIA-SEQUENCE:1
#EXT-X-PLAYLIST-TYPE:VOD
#EXT-X-KEY:METHOD=AES-128,URI="./slow_loading.php?delay=5&resource=crypt0.key",IV=0xbf9840dc7d7fa163301a6c38844d6239
#EXT-X-MAP:URI="main.mp4",BYTERANGE="560@0"
#EXTINF:4.96907,
#EXT-X-BYTERANGE:25312@560
main.mp4
#EXTINF:4.96907,
#EXT-X-BYTERANGE:25440@25872
main.mp4
#EXTINF:4.96907,
#EXT-X-BYTERANGE:25440@51312
main.mp4
#EXTINF:4.96907,
#EXT-X-BYTERANGE:25440@76752
main.mp4
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原文链接：
https://stackoverflow.com/questions/12906820
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