【发布时间】：2019-09-17 20:56:36
【问题描述】：
我有一个包含多个音轨的 HLS。 Apple 的 mediastreamvalidator 对其进行验证，jwplayer 可以正常播放，但我无法投射。其他多音频 HLS 流投射良好。
不投射的流：
#EXTM3U
#EXT-X-VERSION:4
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="tve-audios",LANGUAGE="hun",NAME="magyar",AUTOSELECT=YES,DEFAULT=YES,URI="11.m3u8"
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="tve-audios",LANGUAGE="mul",NAME="eredeti",AUTOSELECT=NO,DEFAULT=NO,URI="12.m3u8"
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=501372,CODECS="avc1.42c00d,mp4a.40.2",RESOLUTION=320x180,AUDIO="tve-audios"
06.m3u8
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=858981,CODECS="avc1.42c01e,mp4a.40.2",RESOLUTION=480x270,AUDIO="tve-audios"
05.m3u8
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=1216589,CODECS="avc1.4d401e,mp4a.40.2",RESOLUTION=640x360,AUDIO="tve-audios"
04.m3u8
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=1523111,CODECS="avc1.4d4028,mp4a.40.2",RESOLUTION=854x480,AUDIO="tve-audios"
03.m3u8
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=147033,CODECS="mp4a.40.2",AUDIO="tve-audios"
11.m3u8
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=147033,CODECS="mp4a.40.2",AUDIO="tve-audios"
12.m3u8
投射的流：
#EXTM3U
#EXT-X-VERSION:3
#EXT-X-MEDIA:TYPE=SUBTITLES,GROUP-ID="subs",NAME="Chinese",FORCED=NO,AUTOSELECT=YES,URI="subtitlelist_lzho_w1728887294_b160000_slen_t64RW5nbGlzaA==_cfRWxlcGhhbnRzRHJlYW0vRWxlcGhhbnRzRHJlYW0udHRtbA==.m3u8",LANGUAGE="zho"
#EXT-X-MEDIA:TYPE=SUBTITLES,GROUP-ID="subs",NAME="French",FORCED=NO,AUTOSELECT=YES,URI="subtitlelist_lfra_w1728887294_b160000_slen_t64RW5nbGlzaA==_cfRWxlcGhhbnRzRHJlYW0vRWxlcGhhbnRzRHJlYW0udHRtbA==.m3u8",LANGUAGE="fra"
#EXT-X-MEDIA:TYPE=SUBTITLES,GROUP-ID="subs",NAME="German",FORCED=NO,AUTOSELECT=YES,URI="subtitlelist_ldeu_w1728887294_b160000_slen_t64RW5nbGlzaA==_cfRWxlcGhhbnRzRHJlYW0vRWxlcGhhbnRzRHJlYW0udHRtbA==.m3u8",LANGUAGE="deu"
#EXT-X-MEDIA:TYPE=SUBTITLES,GROUP-ID="subs",NAME="Japanese",FORCED=NO,AUTOSELECT=YES,URI="subtitlelist_ljpn_w1728887294_b160000_slen_t64RW5nbGlzaA==_cfRWxlcGhhbnRzRHJlYW0vRWxlcGhhbnRzRHJlYW0udHRtbA==.m3u8",LANGUAGE="jpn"
#EXT-X-MEDIA:TYPE=SUBTITLES,GROUP-ID="subs",NAME="Portuguese",FORCED=NO,AUTOSELECT=YES,URI="subtitlelist_lpor_w1728887294_b160000_slen_t64RW5nbGlzaA==_cfRWxlcGhhbnRzRHJlYW0vRWxlcGhhbnRzRHJlYW0udHRtbA==.m3u8",LANGUAGE="por"
#EXT-X-MEDIA:TYPE=SUBTITLES,GROUP-ID="subs",NAME="Spanish; Castilian",FORCED=NO,AUTOSELECT=YES,URI="subtitlelist_lspa_w1728887294_b160000_slen_t64RW5nbGlzaA==_cfRWxlcGhhbnRzRHJlYW0vRWxlcGhhbnRzRHJlYW0udHRtbA==.m3u8",LANGUAGE="spa"
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="aac",LANGUAGE="en",NAME="English",DEFAULT=YES,AUTOSELECT=YES,URI="chunklist_w1728887294_b160000_ao_slen_t64RW5nbGlzaA==_cfRWxlcGhhbnRzRHJlYW0vRWxlcGhhbnRzRHJlYW0udHRtbA==.m3u8"
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="aac",LANGUAGE="es",NAME="Spanish",DEFAULT=NO,AUTOSELECT=YES,URI="chunklist_w1728887294_b160000_ao_sles_t64U3BhbmlzaA==_cfRWxlcGhhbnRzRHJlYW0vRWxlcGhhbnRzRHJlYW0udHRtbA==.m3u8"
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="aac",LANGUAGE="en",NAME="Commentary (eng)",DEFAULT=NO,AUTOSELECT=NO,URI="chunklist_w1728887294_b160000_ao_slen_t64Q29tbWVudGFyeSAoZW5nKQ==_cfRWxlcGhhbnRzRHJlYW0vRWxlcGhhbnRzRHJlYW0udHRtbA==.m3u8"
#EXT-X-STREAM-INF:BANDWIDTH=2962000,NAME="Main",CODECS="avc1.66.30",RESOLUTION=1280x720,AUDIO="aac",SUBTITLES="subs"
chunklist_w1728887294_b2962000_vo_slen_t64TWFpbg==_cfRWxlcGhhbnRzRHJlYW0vRWxlcGhhbnRzRHJlYW0udHRtbA==.m3u8
#EXT-X-STREAM-INF:BANDWIDTH=1427000,NAME="Main",CODECS="avc1.66.30",RESOLUTION=768x432,AUDIO="aac",SUBTITLES="subs"
chunklist_w1728887294_b1427000_vo_slen_t64TWFpbg==_cfRWxlcGhhbnRzRHJlYW0vRWxlcGhhbnRzRHJlYW0udHRtbA==.m3u8
#EXT-X-STREAM-INF:BANDWIDTH=688000,NAME="Main",CODECS="avc1.66.30",RESOLUTION=448x252,AUDIO="aac",SUBTITLES="subs"
chunklist_w1728887294_b688000_vo_slen_t64TWFpbg==_cfRWxlcGhhbnRzRHJlYW0vRWxlcGhhbnRzRHJlYW0udHRtbA==.m3u8
#EXT-X-STREAM-INF:BANDWIDTH=331000,NAME="Main",CODECS="avc1.66.30",RESOLUTION=284x160,AUDIO="aac",SUBTITLES="subs"
chunklist_w1728887294_b331000_vo_slen_t64TWFpbg==_cfRWxlcGhhbnRzRHJlYW0vRWxlcGhhbnRzRHJlYW0udHRtbA==.m3u8
当我设置多个音轨时，编码器会自动将 EXT-X-VERSION 设置为 4，因此我无法像其他流一样将其设置为 3。
请 Google Cast 团队帮助我。 jwplayer 支持团队建议联系 Cast 支持团队。
问题在于多个音轨。同一个编码器，一个音频投射很好。
【问题讨论】：
标签： jwplayer chromecast google-cast http-live-streaming