視頻直接上傳到七牛上，在瀏覽器中輸入外鏈為什麼不能直接播放？

把視頻直接上傳的七牛上，為什麼在瀏覽器中輸入外鏈不能直接播放，而是自動下載了。
外鏈地址http://7xrsps.com1.z0.glb.clouddn.com/video_test.mp4

回複內容：

把視頻直接上傳的七牛上，為什麼在瀏覽器中輸入外鏈不能直接播放，而是自動下載了。
外鏈地址http://7xrsps.com1.z0.glb.clouddn.com/video_test.mp4

音視頻是否可以直接在瀏覽器中播放取決於瀏覽器對該格式視頻的支援，如果不支援就直接下載了，可以通過url?avinfo 查看視頻源資訊，http://7xrsps.com1.z0.glb.clouddn.com/video_test.mp4?avinfo
看以查看到該格式並不是MP4格式，而是wmav2，一般瀏覽器不支援這種格式，可以使用七牛的音視頻處理服務進行轉碼為MP4格式，

http://developer.qiniu.com/code/v6/api/dora-api/index.html#av

{streams: [{index: 0,codec_name: "wmav2",codec_long_name: "Windows Media Audio 2",codec_type: "audio",codec_time_base: "1/44100",codec_tag_string: "a[1][0][0]",codec_tag: "0x0161",sample_fmt: "fltp",sample_rate: "44100",channels: 2,bits_per_sample: 0,r_frame_rate: "0/0",avg_frame_rate: "0/0",time_base: "1/1000",start_pts: 0,start_time: "0.000000",duration_ts: 30093,duration: "30.093000",bit_rate: "192040",disposition: {default: 0,dub: 0,original: 0,comment: 0,lyrics: 0,karaoke: 0,forced: 0,hearing_impaired: 0,visual_impaired: 0,clean_effects: 0,attached_pic: 0},tags: {language: "eng"}},{index: 1,codec_name: "vc1",codec_long_name: "SMPTE VC-1",profile: "Advanced",codec_type: "video",codec_time_base: "1/1000",codec_tag_string: "WVC1",codec_tag: "0x31435657",width: 1280,height: 720,has_b_frames: 1,sample_aspect_ratio: "0:1",display_aspect_ratio: "0:1",pix_fmt: "yuv420p",level: 3,chroma_location: "left",r_frame_rate: "30000/1001",avg_frame_rate: "30000/1001",time_base: "1/1000",start_pts: 0,start_time: "0.000000",duration_ts: 30093,duration: "30.093000",bit_rate: "5942130",disposition: {default: 0,dub: 0,original: 0,comment: 0,lyrics: 0,karaoke: 0,forced: 0,hearing_impaired: 0,visual_impaired: 0,clean_effects: 0,attached_pic: 0},tags: {language: "eng"}}],format: {nb_streams: 2,nb_programs: 0,format_name: "asf",format_long_name: "ASF (Advanced / Active Streaming Format)",start_time: "0.000000",duration: "30.093000",size: "26246026",bit_rate: "6977310",probe_score: 100,tags: {SfOriginalFPS: "299700",WMFSDKVersion: "11.0.6001.7000",WMFSDKNeeded: "0.0.0.0000",comment: "Footage: Small World Productions, Inc; Tourism New Zealand | Producer: Gary F. Spradling | Music: Steve Ball",title: "Wildlife in HD",copyright: "漏 2008 Microsoft Corporation",IsVBR: "0",DeviceConformanceTemplate: "AP@L3"}}}

放在網頁標籤裡面，可以播放。

猜測應該是mimeType設定不正確，設定成視頻的mimeType值，再試試。 具體mimeType值，請自行百度。

七牛雲的空間分為私人空間和公有空間，公有空間的檔案可以隨便訪問，私人空間的檔案不能隨便訪問！

