如何解决从Blob下载视频：eventive的https url
我想从事件下载视频，但标签包含blob网址（blob：https://watch.eventive.org/**************）。
我一直在阅读一些类似问题的答案，但他们都认为该视频具有mp3u8文件扩展名，而在我看来，这不是。
我也尝试直接使用curl下载该url（删除blob ：），但是我获得了一个我无法真正理解的html代码，其中包含许多对javascript文件的引用。
任何提示都会很有帮助。
编辑：
我已经进行了更多测试，并且能够找到清单文件的网址，该清单显然指向视频数据。我试图使用VLC打开该网址，它会加载有关视频的一些信息，甚至可以播放它，但屏幕是完全黑的。
我也尝试过使用ffmpeg下载它，但它会带来很多错误。
ffmpeg -i https://eventiveprod-usea.streaming.media.azure.net/02968382-069a-4f02-ab3b-67c0b5a8d5b7/5f427f2d65a569006ebd326c.ism/manifest\(format\=mpd-time-csf\) output.mp4
ffmpeg输出
ffmpeg version n4.3.1 Copyright (c) 2000-2020 the FFmpeg developers
built with gcc 10.1.0 (GCC)
configuration: --prefix=/usr --disable-debug --disable-static --disable-stripping --enable-avisynth --enable-fontconfig --enable-gmp --enable-gnutls --enable-gpl --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libdav1d --enable-libdrm --enable-libfreetype --enable-libfribidi --enable-libgsm --enable-libiec61883 --enable-libjack --enable-libmfx --enable-libmodplug --enable-libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librav1e --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libv4l2 --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxcb --enable-libxml2 --enable-libxvid --enable-nvdec --enable-nvenc --enable-omx --enable-shared --enable-version3
libavutil 56. 51.100 / 56. 51.100
libavcodec 58. 91.100 / 58. 91.100
libavformat 58. 45.100 / 58. 45.100
libavdevice 58. 10.100 / 58. 10.100
libavfilter 7. 85.100 / 7. 85.100
libswscale 5. 7.100 / 5. 7.100
libswresample 3. 7.100 / 3. 7.100
libpostproc 55. 7.100 / 55. 7.100
[h264 @ 0x556c1e280bc0] top block unavailable for requested intra mode
[h264 @ 0x556c1e280bc0] error while decoding MB 34 0,bytestream 41478
[h264 @ 0x556c1e280bc0] concealing 8160 DC,8160 AC,8160 MV errors in I frame
[h264 @ 0x556c1e2ce440] top block unavailable for requested intra mode -1
[h264 @ 0x556c1e2ce440] error while decoding MB 34 0,bytestream 22093
[h264 @ 0x556c1e2ce440] concealing 3600 DC,3600 AC,3600 MV errors in I frame
[h264 @ 0x556c1e2f9f40] top block unavailable for requested intra mode -1
[h264 @ 0x556c1e2f9f40] error while decoding MB 24 0,bytestream 15117
[h264 @ 0x556c1e2f9f40] concealing 2040 DC,2040 AC,2040 MV errors in I frame
[h264 @ 0x556c1e333bc0] top block unavailable for requested intra mode -1
[h264 @ 0x556c1e333bc0] error while decoding MB 17 0,bytestream 8716
[h264 @ 0x556c1e333bc0] concealing 920 DC,920 AC,920 MV errors in I frame
[aac @ 0x556c1e3745c0] channel element 2.8 is not allocated
Input #0,dash,from 'https://eventiveprod-usea.streaming.media.azure.net/02968382-069a-4f02-ab3b-67c0b5a8d5b7/5f427f2d65a569006ebd326c.ism/manifest(format=mpd-time-csf)':
Duration: 00:21:18.00,start: 0.066000,bitrate: 0 kb/s
Program 0
Stream #0:0: Video: h264 (High) (avc1 / 0x31637661),yuv420p,1920x1080 [SAR 1:1 DAR 16:9],1317 kb/s,29.97 fps,29.97 tbr,10000k tbn,59.94 tbc
Metadata:
variant_bitrate : 1770930
id : 1_V_video_1
Stream #0:1: Video: h264 (High) (avc1 / 0x31637661),1280x720 [SAR 1:1 DAR 16:9],686 kb/s,59.94 tbc
Metadata:
variant_bitrate : 904295
id : 1_V_video_2
Stream #0:2: Video: h264 (High) (avc1 / 0x31637661),960x540 [SAR 1:1 DAR 16:9],495 kb/s,59.94 tbc
Metadata:
variant_bitrate : 572685
id : 1_V_video_3
Stream #0:3: Video: h264 (High) (avc1 / 0x31637661),640x360 [SAR 1:1 DAR 16:9],308 kb/s,59.94 tbc
Metadata:
variant_bitrate : 301036
id : 1_V_video_4
Stream #0:4(en): Audio: aac (LC) (mp4a / 0x6134706D),48000 Hz,stereo,fltp,128 kb/s
Metadata:
variant_bitrate : 127999
id : 5_A_aac_eng_2_127999
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Stream #0:4 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop,[?] for help
[aac @ 0x556c1e392dc0] channel element 2.8 is not allocated
Error while decoding stream #0:4: Invalid data found when processing input
[h264 @ 0x556c1e3da900] top block unavailable for requested intra mode
[h264 @ 0x556c1e3da900] error while decoding MB 34 0,bytestream 41478
[aac @ 0x556c1e392dc0] Reserved bit set.
[aac @ 0x556c1e392dc0] Number of bands (13) exceeds limit (11).
[h264 @ 0x556c1e3da900] concealing 8160 DC,8160 MV errors in I frame
Error while decoding stream #0:4: Invalid data found when processing input
[aac @ 0x556c1e392dc0] channel element 2.4 is not allocated
Error while decoding stream #0:4: Invalid data found when processing input
[aac @ 0x556c1e392dc0] Multiple frames in a packet.
...
[libx264 @ 0x5588338c2d00] frame I:1 Avg QP: 4.13 size: 421
[libx264 @ 0x5588338c2d00] frame P:32 Avg QP:14.06 size: 1216
[libx264 @ 0x5588338c2d00] frame B:96 Avg QP:20.52 size: 306
[libx264 @ 0x5588338c2d00] consecutive B-frames: 0.8% 0.0% 0.0% 99.2%
[libx264 @ 0x5588338c2d00] mb I I16..4: 100.0% 0.0% 0.0%
[libx264 @ 0x5588338c2d00] mb P I16..4: 0.6% 0.6% 0.0% P16..4: 9.4% 0.3% 0.3% 0.0% 0.0% skip:88.9%
[libx264 @ 0x5588338c2d00] mb B I16..4: 0.0% 0.0% 0.0% B16..8: 3.7% 0.0% 0.0% direct: 0.0% skip:96.2% L0:53.5% L1:46.3% BI: 0.2%
[libx264 @ 0x5588338c2d00] 8x8 transform intra:13.0% inter:86.8%
[libx264 @ 0x5588338c2d00] coded y,uvDC,uvAC intra: 1.3% 0.8% 0.2% inter: 0.2% 0.2% 0.0%
[libx264 @ 0x5588338c2d00] i16 v,h,dc,p: 98% 0% 2% 0%
[libx264 @ 0x5588338c2d00] i8 v,ddl,ddr,vr,hd,vl,hu: 33% 2% 64% 0% 0% 0% 0% 0% 0%
[libx264 @ 0x5588338c2d00] i4 v,hu: 29% 18% 42% 3% 1% 1% 2% 2% 1%
[libx264 @ 0x5588338c2d00] i8c dc,v,p: 99% 0% 0% 0%
[libx264 @ 0x5588338c2d00] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x5588338c2d00] ref P L0: 86.7% 1.2% 8.8% 3.3%
[libx264 @ 0x5588338c2d00] ref B L0: 62.7% 35.4% 1.9%
[libx264 @ 0x5588338c2d00] ref B L1: 96.1% 3.9%
[libx264 @ 0x5588338c2d00] kb/s:127.70
Conversion failed!
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