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• Transcode HLS Segments individually using FFMPEG

  27 mai 2013, par rayh

  I am recording a continuous, live stream to a high-bitrate HLS stream. I then want to asynchronously transcode this to different formats/bitrates. I have this working, mostly, except audio artefacts are appearing between each segment (gaps and pops).

  Here is an example ffmpeg command line :

  ffmpeg -threads 1 -nostdin -loglevel verbose \
  
     -nostdin -y -i input.ts -c:a libfdk_aac \
  
     -ac 2 -b:a 64k -y -metadata -vn output.ts

  Inspecting an example sound file shows that there is a gap at the end of the audio :

  

  And the start of the file looks suspiciously attenuated (although this may not be an issue) :

  

  My suspicion is that these artefacts are happening because transcoding are occurring without the context of the stream as a whole.

  Any ideas on how to convince FFMPEG to produce audio that will fit back into a HLS stream ?

  ** UPDATE 1 **

  Here are the start/end of the original segment. As you can see, the start still appears the same, but the end is cleanly ended at 30s. I expect some degree of padding with lossy encoding, but I there is some way that HLS manages to do gapless playback (is this related to iTunes method with custom metadata ?)

  
  

  ** UPDATED 2 **

  So, I converted both the original (128k aac in MPEG2 TS) and the transcoded (64k aac in aac/adts container) to WAV and put the two side-by-side. This is the result :

  
  

  I'm not sure if this is representative of how a client will play it back, but it seems a bit odd that decoding the transcoded one introduces a gap at the start and makes the segment longer. Given they are both lossy encoding, I would have expected padding to be equally present in both (if at all).

  ** UPDATE 3 **

  According to http://en.wikipedia.org/wiki/Gapless_playback - Only a handful of encoders support gapless - for MP3, I've switched to lame in ffmpeg, and the problem, so far, appears to have gone.

  For AAC (see http://en.wikipedia.org/wiki/FAAC), I have tried libfaac (as opposed to libfdk_aac) and it also seems to produce gapless audio. However, the quality of the latter isn't that great and I'd rather use libfdk_aac is possible.

• Anomalie #3663 : Anomalie espace privé

  29 mars 2016, par Hanjo de Lange

  Hanjo de Lange a écrit :

  J’ai essayé avec Chrome, IE11 et EDGE, mais toujours la même chose.
  J’étais actuellement en trein de modifier un article publié, alors avec l’URL /ecrire/?exec=article_edit&id_article=2761
  et je peux pas ajouter un image, parce que le bloc n’apparaît pas... (capture écran)

  Après, si je fais un F5 (refresh) tout est bon.

• ffmpeg video capture on EC2 unstable

  6 mars 2019, par Sauraus

  I am trying to capture a Twitch video feed on a c5m.xlarge instance on EC2 in us-east2 and ffmpeg appears to drop the connection constantly, I say appears because the error messages below sooner suggest that Twitch might be dropping the connection, but I am not sure.

  I use streamlink --stream-url https://www.twitch.tv/loltyler1 best to get the URL that is passed to ffmpeg.

  The command used to capture the video feed :

  ffmpeg -i https://video-weaver.sea01.hls.ttvnw.net/v1/playlist/CsUDZUnwghPhNM5_XBj0nSEHs88T94bkhSAr-I9_sto9JTnAbBEr-ddFZSGj6VlIh5mVyieGDjzVpOmqX66tr0vRKqLTsL6A4422LjX_Np4fZBmlCDwzns9XldQxLHM22Q04NxNaIOpNuYqawZOt8UbG_u1vIEX_BAN08k1RJKJpot5X4RW3VRgS9GvVJq_IFqpdALQ9avacbeSVWNhEDuB9SAyz_7FORgYD34oYcL8pzuF-n_cAQlAJoWbW8IHUt8vkBOyP84wy9JU2cGrofs2sJkBKkRGju7cE0AfU0lMoid1l3pFauurhh9PjvqSF3a2J1A_55FxyNlogl8LydSot92F0_h4cd-DXtnspnIl4nmaBCMHnHzz3QXGZPWWtA6Rg3fOhazRBBVSucupRLY8PVaIL3bFDd06qk6Y3-4MMPnMsFDtgHSnwMAOnoho_jc4CP6UA_QZn-j0f870E3imS0HCKVZAz_B98is0wggVCZRh0tgITVYvsc-dPOEMLvigEkTsI-W4zhQfEqFQqeFuuUysaQtYh6Ttglj4NrNWuNt7AQsLn_t1RwEhfj1V2kiNmUbYX-e54S4mhN88y7-9nY9puHAZvEhBvZVjUTEp1T-ti77sazwRDGgw8qlySyJcjWsFi8GQ.m3u8 loltyler1.mp4

  The video capture usually starts off fine with no ’real’ issues except these messages that appear to be warnings, but they are indicative of things to come a few seconds into the video feed.

  [https @ 0x56435e25b280] Opening 'https://video-edge-7e9f50.sea01.abs.hls.ttvnw.net/v1/segment/CtgD0IuBaX0KngWA4Qz4kXrmxzo2kRAdfaVhZq44KD0gPkexhnj8dlRTx_wx6gtEOX8s9L7d8YP4skGp0A7iwQlT7rKD3aOZC44uNe3jRUJwcwYUq4Tzmr32Ekl7LhqEJa3hRX8ETS9UAIpzesPp4nTr3s-APiBYPOFhVbUaMRxkQdayCrk-hvKoSo6bPOzCaXUtxIm8uUpRwhPTf1JPkljvvEgSkJe3UwIKPQk-S0flg_Osv5fywln84yYOeSuwV44zvSl7ZHeymI8sb_XC6SsPqa2zFCJXAyJ48Lqxi0MpGDopNuiCx2NU4UXlTQpD5CNOh8oTTDCrc9z9XUgSXQEcDOr-RV1VRiSC_qgN-hMQsKWqxEwKuzHjoy05oAoAMWLkCFN7QkvmJ4hdupKcxEfnHXjcOWCZEEjJd6k0zvN2j9brV8V1whuj_j1wXmV11QuxX1rYCyRvj5O8iSCwURvexD9EFspvqB2utBlGSu_scglnTmTOYH9oQ8BW7P2d6xCTrmr53hLDOPg_i-2tjUl99r0_juRV6I87JXzx3RKVEQ1uPUnqQ0PRrcooUs_eNiTWqJFknmuhqkzC2chdUxEyz3e2cbNPhdH-quoQ-SVDr_ynTTr7qRvFRhIQrV6JqeW1ob8GZo1xu1HnHxoMlFRfZNU-nF4nh7pW.ts' for reading
  
  [https @ 0x56435f1e5140] Opening 'https://video-weaver.sea01.hls.ttvnw.net/v1/playlist/CsUDZUnwghPhNM5_XBj0nSEHs88T94bkhSAr-I9_sto9JTnAbBEr-ddFZSGj6VlIh5mVyieGDjzVpOmqX66tr0vRKqLTsL6A4422LjX_Np4fZBmlCDwzns9XldQxLHM22Q04NxNaIOpNuYqawZOt8UbG_u1vIEX_BAN08k1RJKJpot5X4RW3VRgS9GvVJq_IFqpdALQ9avacbeSVWNhEDuB9SAyz_7FORgYD34oYcL8pzuF-n_cAQlAJoWbW8IHUt8vkBOyP84wy9JU2cGrofs2sJkBKkRGju7cE0AfU0lMoid1l3pFauurhh9PjvqSF3a2J1A_55FxyNlogl8LydSot92F0_h4cd-DXtnspnIl4nmaBCMHnHzz3QXGZPWWtA6Rg3fOhazRBBVSucupRLY8PVaIL3bFDd06qk6Y3-4MMPnMsFDtgHSnwMAOnoho_jc4CP6UA_QZn-j0f870E3imS0HCKVZAz_B98is0wggVCZRh0tgITVYvsc-dPOEMLvigEkTsI-W4zhQfEqFQqeFuuUysaQtYh6Ttglj4NrNWuNt7AQsLn_t1RwEhfj1V2kiNmUbYX-e54S4mhN88y7-9nY9puHAZvEhBvZVjUTEp1T-ti77sazwRDGgw8qlySyJcjWsFi8GQ.m3u8' for reading
  
  [https @ 0x56435e535a40] Opening 'https://video-edge-7e9f50.sea01.abs.hls.ttvnw.net/v1/segment/CtgDYNjRmCnz46MfkO5atG9SLt6OSrte1ttcB-cARNehUelN7_S_Cpe9SxpmOKFxjhMx8KFtnwXD8cErLMEnCDRetrCg2fGb_4lYxUvX1UkeKSxjthPPRxk0_dYxYBAltPM45O3Jo7w22YAx_hJYN3u6oJajb2oIBbyHjL3d6CCA3wqVMV8I5wkgyyIe3jlrp1Rm1kx5450AutYftn3XJ6H5W0Tz7zQttEWkiVnNrUKi1o9wusY9kA8nNzdmvLJh21MQG_i7hDgPTTwUFAqZY951IHoVDJG7eNdRNuGJAhsajblJeH_SMVOKoybXm2USRmAGeQlPejc3zzz2Z8VUtGt12a351j99B7CfLlzwr-AMWFxm7p5T9y5-JFQOqMBLyaY8rMXK5qXLmxO5XaPSFNFuTTMtdkV6AGhlKGQIwn8MdZpbpailiaBiO0KAeeuU6yaeDD5e2e1Zkq0UIL5D2WDSHyeOI2Z62BRvGszMMwrhkDHvMMHeWgUYG5kuC6NnrPgHwakRxvolNQ2yc1SMh7l77ZmeRLJ7u2ApPpcM0FQHpe7wZGaGk0v0qxAdGr4W_9aCcd0pFj2D4Tl1PTV6426Xo6x_CBmq53ZsI6yDtFQbufkSHaEcV603khIQPXJ7GXwpji_dXvRvCCoNxRoMl5n8JhjrodimpvSO.ts' for reading
  
  [https @ 0x56435f1e5140] Opening 'https://video-weaver.sea01.hls.ttvnw.net/v1/playlist/CsUDZUnwghPhNM5_XBj0nSEHs88T94bkhSAr-I9_sto9JTnAbBEr-ddFZSGj6VlIh5mVyieGDjzVpOmqX66tr0vRKqLTsL6A4422LjX_Np4fZBmlCDwzns9XldQxLHM22Q04NxNaIOpNuYqawZOt8UbG_u1vIEX_BAN08k1RJKJpot5X4RW3VRgS9GvVJq_IFqpdALQ9avacbeSVWNhEDuB9SAyz_7FORgYD34oYcL8pzuF-n_cAQlAJoWbW8IHUt8vkBOyP84wy9JU2cGrofs2sJkBKkRGju7cE0AfU0lMoid1l3pFauurhh9PjvqSF3a2J1A_55FxyNlogl8LydSot92F0_h4cd-DXtnspnIl4nmaBCMHnHzz3QXGZPWWtA6Rg3fOhazRBBVSucupRLY8PVaIL3bFDd06qk6Y3-4MMPnMsFDtgHSnwMAOnoho_jc4CP6UA_QZn-j0f870E3imS0HCKVZAz_B98is0wggVCZRh0tgITVYvsc-dPOEMLvigEkTsI-W4zhQfEqFQqeFuuUysaQtYh6Ttglj4NrNWuNt7AQsLn_t1RwEhfj1V2kiNmUbYX-e54S4mhN88y7-9nY9puHAZvEhBvZVjUTEp1T-ti77sazwRDGgw8qlySyJcjWsFi8GQ.m3u8' for reading

  However at some point the messages change and become this :

  [https @ 0x56435e8cb600] Opening 'https://video-weaver.sea01.hls.ttvnw.net/v1/playlist/CsUDZUnwghPhNM5_XBj0nSEHs88T94bkhSAr-I9_sto9JTnAbBEr-ddFZSGj6VlIh5mVyieGDjzVpOmqX66tr0vRKqLTsL6A4422LjX_Np4fZBmlCDwzns9XldQxLHM22Q04NxNaIOpNuYqawZOt8UbG_u1vIEX_BAN08k1RJKJpot5X4RW3VRgS9GvVJq_IFqpdALQ9avacbeSVWNhEDuB9SAyz_7FORgYD34oYcL8pzuF-n_cAQlAJoWbW8IHUt8vkBOyP84wy9JU2cGrofs2sJkBKkRGju7cE0AfU0lMoid1l3pFauurhh9PjvqSF3a2J1A_55FxyNlogl8LydSot92F0_h4cd-DXtnspnIl4nmaBCMHnHzz3QXGZPWWtA6Rg3fOhazRBBVSucupRLY8PVaIL3bFDd06qk6Y3-4MMPnMsFDtgHSnwMAOnoho_jc4CP6UA_QZn-j0f870E3imS0HCKVZAz_B98is0wggVCZRh0tgITVYvsc-dPOEMLvigEkTsI-W4zhQfEqFQqeFuuUysaQtYh6Ttglj4NrNWuNt7AQsLn_t1RwEhfj1V2kiNmUbYX-e54S4mhN88y7-9nY9puHAZvEhBvZVjUTEp1T-ti77sazwRDGgw8qlySyJcjWsFi8GQ.m3u8' for reading
  
  skipping 4 segments ahead, expired from playlists
  
  [https @ 0x56435e25b280] Opening 'https://video-edge-7e9f50.sea01.abs.hls.ttvnw.net/v1/segment/CtgD4jOVMiZCXMRvYDnvx413PUrKvGjTAlkLSIvxdwWGjGbeNV46-mCGgCz-2VRMYfI9UVCSIIsPQX2fX-J6RKTiyvquS7KJ1T0Kzx6Ywc65RycyrurTJTC4q-mCmJZoPLEYy0oBnRVLGiocSCdTadZgxWAyQjw2LwsforSDQ8JqSTWqCEKA6ShcAzHatXrAqcFMQp_LTPgPR8YI_xPzCsYAapN2-9fCv0ZHwfX9KS_Urx2Lpb6BXyET-3hLfyCg00byC7m6LQ071R2Z42MLswfUecN77bVZ2AUTHJMsxH4WmUH_efXqH_kXQAlOI3JBEtE5soZZ5fCW0FwIFXLGD3sKOQIBkVB1Jc4QN1A79JqoD-9_xfEThskwZ77XaP2K6n_ZqIJx7ARz-pW9QXOKYlDq6ajWSXM2RwzNyTR2nHYYZxbAG_tEtd-t_HG4cLmPIEen42wfZ52L-THwgnvyGTAwuciITgp1bEvk_C3BDlPf3CEELq31AyErVLMMDKnW7bDRGMm6g-RRONHe1oYLHPJhzIArOGW9mRWlz1kRnqNJqo34Wm5d2Lz0SOZ35S7mqh70nVdh1Pq8ZYOLAuiGyFW8qpV7mYDqUlNOa6pxbDekNAEtZkpgSVNgIBIQQ1-TMuTd4S303K2b13rF_xoMhxGulZ-bMF_a2zMD.ts' for reading
  
  [hls,applehttp @ 0x56435e2569c0] Opening 'https://video-edge-7e9f50.sea01.abs.hls.ttvnw.net/v1/segment/CtgD4jOVMiZCXMRvYDnvx413PUrKvGjTAlkLSIvxdwWGjGbeNV46-mCGgCz-2VRMYfI9UVCSIIsPQX2fX-J6RKTiyvquS7KJ1T0Kzx6Ywc65RycyrurTJTC4q-mCmJZoPLEYy0oBnRVLGiocSCdTadZgxWAyQjw2LwsforSDQ8JqSTWqCEKA6ShcAzHatXrAqcFMQp_LTPgPR8YI_xPzCsYAapN2-9fCv0ZHwfX9KS_Urx2Lpb6BXyET-3hLfyCg00byC7m6LQ071R2Z42MLswfUecN77bVZ2AUTHJMsxH4WmUH_efXqH_kXQAlOI3JBEtE5soZZ5fCW0FwIFXLGD3sKOQIBkVB1Jc4QN1A79JqoD-9_xfEThskwZ77XaP2K6n_ZqIJx7ARz-pW9QXOKYlDq6ajWSXM2RwzNyTR2nHYYZxbAG_tEtd-t_HG4cLmPIEen42wfZ52L-THwgnvyGTAwuciITgp1bEvk_C3BDlPf3CEELq31AyErVLMMDKnW7bDRGMm6g-RRONHe1oYLHPJhzIArOGW9mRWlz1kRnqNJqo34Wm5d2Lz0SOZ35S7mqh70nVdh1Pq8ZYOLAuiGyFW8qpV7mYDqUlNOa6pxbDekNAEtZkpgSVNgIBIQQ1-TMuTd4S303K2b13rF_xoMhxGulZ-bMF_a2zMD.ts' for reading
  
  [tls @ 0x56435e8f9240] Error in the pull function.:01:23.00 bitrate=3486.7kbits/s dup=2160 drop=0 speed=0.683x    
  
  [https @ 0x56435e721800] Opening 'https://video-weaver.sea01.hls.ttvnw.net/v1/playlist/CsUDZUnwghPhNM5_XBj0nSEHs88T94bkhSAr-I9_sto9JTnAbBEr-ddFZSGj6VlIh5mVyieGDjzVpOmqX66tr0vRKqLTsL6A4422LjX_Np4fZBmlCDwzns9XldQxLHM22Q04NxNaIOpNuYqawZOt8UbG_u1vIEX_BAN08k1RJKJpot5X4RW3VRgS9GvVJq_IFqpdALQ9avacbeSVWNhEDuB9SAyz_7FORgYD34oYcL8pzuF-n_cAQlAJoWbW8IHUt8vkBOyP84wy9JU2cGrofs2sJkBKkRGju7cE0AfU0lMoid1l3pFauurhh9PjvqSF3a2J1A_55FxyNlogl8LydSot92F0_h4cd-DXtnspnIl4nmaBCMHnHzz3QXGZPWWtA6Rg3fOhazRBBVSucupRLY8PVaIL3bFDd06qk6Y3-4MMPnMsFDtgHSnwMAOnoho_jc4CP6UA_QZn-j0f870E3imS0HCKVZAz_B98is0wggVCZRh0tgITVYvsc-dPOEMLvigEkTsI-W4zhQfEqFQqeFuuUysaQtYh6Ttglj4NrNWuNt7AQsLn_t1RwEhfj1V2kiNmUbYX-e54S4mhN88y7-9nY9puHAZvEhBvZVjUTEp1T-ti77sazwRDGgw8qlySyJcjWsFi8GQ.m3u8' for reading
  
  skipping 5 segments ahead, expired from playlists
  
  [https @ 0x56435e535980] Opening 'https://video-edge-7e9f50.sea01.abs.hls.ttvnw.net/v1/segment/CtgDfsMaR7rU_kvacwHpdvCmB1VO-7cJ8eeX6u8qcYA-l8fSN1pgv5VKyz9nYTJaFCN5bko0QkliSwCELLg7BQI5S3ufELffNEjBflKTT5kt7tTFd7cG5-Tv7I3z7yYsPetkmkaxvDhCiKevzKmacONnNS_rQwmCviZXNSuT5Vk3YURFJt4rlirupxemy9y0bQ-vkvM55gG1WWaWt5Y2AM0HnJk1IupAD2kQvgCldpI1dvCHRH3ahNZliFck2b0XMK6ygQt4LuDY136dc0QvlHtyGAkRNg4sGKaTqUH7JKuyIExX2Kqz0Q2KkOlPL9Jlzq8kNh-4_I0JuNcBMvC4IkUI6XvBFBbTGR3ZnYK9CWji7P8RBnoSUIIuwTiyov2dZrhhBigd9DORxBqFmcQ8w7mBB7hLkqEwOJxbSLpp74dfncQY9iGh5T1Y2CKqS2XvSZJwgzArLeAYNuBFBHYMzU75YWSmc3ZmmI83rf0FAtzoloXfABk7ZL8t-bEVS5evPXD1tTGl7h-5FmZQ9fECBxVCLFGXKUjYgBP50rnQFxHdeA-0Hpr8eD9pRydbJ0WNbRG4jmqnsOFWVGasdrmaz0ElPAvCuqWKiUQrX1yLUpfmB8AGLYqHwySzLRIQXFDNzVSqCSHDMlMXAxSlFRoMZzRn6-XykBzWN6hn.ts' for reading
  
  [tls @ 0x56435e8f9240] The specified session has been invalidated for some reason.
  
  [hls,applehttp @ 0x56435e2569c0] keepalive request failed for 'https://video-edge-7e9f50.sea01.abs.hls.ttvnw.net/v1/segment/CtgDfsMaR7rU_kvacwHpdvCmB1VO-7cJ8eeX6u8qcYA-l8fSN1pgv5VKyz9nYTJaFCN5bko0QkliSwCELLg7BQI5S3ufELffNEjBflKTT5kt7tTFd7cG5-Tv7I3z7yYsPetkmkaxvDhCiKevzKmacONnNS_rQwmCviZXNSuT5Vk3YURFJt4rlirupxemy9y0bQ-vkvM55gG1WWaWt5Y2AM0HnJk1IupAD2kQvgCldpI1dvCHRH3ahNZliFck2b0XMK6ygQt4LuDY136dc0QvlHtyGAkRNg4sGKaTqUH7JKuyIExX2Kqz0Q2KkOlPL9Jlzq8kNh-4_I0JuNcBMvC4IkUI6XvBFBbTGR3ZnYK9CWji7P8RBnoSUIIuwTiyov2dZrhhBigd9DORxBqFmcQ8w7mBB7hLkqEwOJxbSLpp74dfncQY9iGh5T1Y2CKqS2XvSZJwgzArLeAYNuBFBHYMzU75YWSmc3ZmmI83rf0FAtzoloXfABk7ZL8t-bEVS5evPXD1tTGl7h-5FmZQ9fECBxVCLFGXKUjYgBP50rnQFxHdeA-0Hpr8eD9pRydbJ0WNbRG4jmqnsOFWVGasdrmaz0ElPAvCuqWKiUQrX1yLUpfmB8AGLYqHwySzLRIQXFDNzVSqCSHDMlMXAxSlFRoMZzRn6-XykBzWN6hn.ts', retrying with new connection: Input/output error
  
  [hls,applehttp @ 0x56435e2569c0] Opening 'https://video-edge-7e9f50.sea01.abs.hls.ttvnw.net/v1/segment/CtgDfsMaR7rU_kvacwHpdvCmB1VO-7cJ8eeX6u8qcYA-l8fSN1pgv5VKyz9nYTJaFCN5bko0QkliSwCELLg7BQI5S3ufELffNEjBflKTT5kt7tTFd7cG5-Tv7I3z7yYsPetkmkaxvDhCiKevzKmacONnNS_rQwmCviZXNSuT5Vk3YURFJt4rlirupxemy9y0bQ-vkvM55gG1WWaWt5Y2AM0HnJk1IupAD2kQvgCldpI1dvCHRH3ahNZliFck2b0XMK6ygQt4LuDY136dc0QvlHtyGAkRNg4sGKaTqUH7JKuyIExX2Kqz0Q2KkOlPL9Jlzq8kNh-4_I0JuNcBMvC4IkUI6XvBFBbTGR3ZnYK9CWji7P8RBnoSUIIuwTiyov2dZrhhBigd9DORxBqFmcQ8w7mBB7hLkqEwOJxbSLpp74dfncQY9iGh5T1Y2CKqS2XvSZJwgzArLeAYNuBFBHYMzU75YWSmc3ZmmI83rf0FAtzoloXfABk7ZL8t-bEVS5evPXD1tTGl7h-5FmZQ9fECBxVCLFGXKUjYgBP50rnQFxHdeA-0Hpr8eD9pRydbJ0WNbRG4jmqnsOFWVGasdrmaz0ElPAvCuqWKiUQrX1yLUpfmB8AGLYqHwySzLRIQXFDNzVSqCSHDMlMXAxSlFRoMZzRn6-XykBzWN6hn.ts' for reading
  
  [h264 @ 0x56435ebcd2c0] Invalid NAL unit 12, skipping.23.07 bitrate=3509.0kbits/s dup=2160 drop=0 speed=0.678x    
  
  [h264 @ 0x56435ebcd2c0] error while decoding MB 79 24, bytestream -5
  
  [h264 @ 0x56435ebcd2c0] concealing 5250 DC, 5250 AC, 5250 MV errors in B frame
  
  [tls @ 0x56435f49fbc0] Error in the pull function.:01:32.57 bitrate=3262.3kbits/s dup=2691 drop=0 speed=0.703x    
  
  [https @ 0x56435e721800] Opening 'https://video-weaver.sea01.hls.ttvnw.net/v1/playlist/CsUDZUnwghPhNM5_XBj0nSEHs88T94bkhSAr-I9_sto9JTnAbBEr-ddFZSGj6VlIh5mVyieGDjzVpOmqX66tr0vRKqLTsL6A4422LjX_Np4fZBmlCDwzns9XldQxLHM22Q04NxNaIOpNuYqawZOt8UbG_u1vIEX_BAN08k1RJKJpot5X4RW3VRgS9GvVJq_IFqpdALQ9avacbeSVWNhEDuB9SAyz_7FORgYD34oYcL8pzuF-n_cAQlAJoWbW8IHUt8vkBOyP84wy9JU2cGrofs2sJkBKkRGju7cE0AfU0lMoid1l3pFauurhh9PjvqSF3a2J1A_55FxyNlogl8LydSot92F0_h4cd-DXtnspnIl4nmaBCMHnHzz3QXGZPWWtA6Rg3fOhazRBBVSucupRLY8PVaIL3bFDd06qk6Y3-4MMPnMsFDtgHSnwMAOnoho_jc4CP6UA_QZn-j0f870E3imS0HCKVZAz_B98is0wggVCZRh0tgITVYvsc-dPOEMLvigEkTsI-W4zhQfEqFQqeFuuUysaQtYh6Ttglj4NrNWuNt7AQsLn_t1RwEhfj1V2kiNmUbYX-e54S4mhN88y7-9nY9puHAZvEhBvZVjUTEp1T-ti77sazwRDGgw8qlySyJcjWsFi8GQ.m3u8' for reading
  
  skipping 4 segments ahead, expired from playlists
  
  [https @ 0x56435f45a540] Opening 'https://video-edge-7e9f50.sea01.abs.hls.ttvnw.net/v1/segment/CtgDJCPyyRSMlIT5sLQj9bKjs2_d06umWF43Qo_jtryGaiAv6N5v1L2NqFHxUqwOzvm_v932uRHHwuXqdnzRRA3BVgDRW38atbaZ8G-vviUj93Xgu_YB6txL-edSBWEvzQOOdxwOz75jXPyiOvg2e5rSJaXAUzH4gP0DUhkww4umPQH0afA8buPseQOQ22reXVJResCm_P2mAI9FNwNPshH9czEdfdSfATT1GZX2-cZ0G0iRso6z6wpmAUAjTiZt98jjs3KFRGIxm2tuy8NcBEAa-7Q-5rvn-3B6SSNj-RP4fBw1HM-fwT_epWMN-Dovy93OOKDNLAvOUUVexpzrGuBGHxhiPS-olyEqDzFbO6tbTk5zHqOGy8gsQKvMZI1sGmDjpsTv3rlDCCZFjCr54_e_Rs4-HRLXUHI-6sUTOjXVtNvUsF4QIIB6gvoJ5ay5wJv7w6XtWyV1Bek29Nhe3RCOqb0SjYfawvBMK67y2XELNgTnHrB05OJ8gug5FwyRY8-Z-h4bSH0NxPK65dl05brDhXBem59jehao90ETaJYtCMR8Phu4Y5NcFASRhf3IbSsvaZMXMMf8ELPfmW5VLxogEo0iIQabAwe5-H9Jv8ktiDLWFjycjdTZaBIQHwC8luLOMIw-HQwyCibuhRoMJFhK3OViT0xGWZN8.ts' for reading
  
  [tls @ 0x56435f49fbc0] The specified session has been invalidated for some reason.
  
  [hls,applehttp @ 0x56435e2569c0] keepalive request failed for 'https://video-edge-7e9f50.sea01.abs.hls.ttvnw.net/v1/segment/CtgDJCPyyRSMlIT5sLQj9bKjs2_d06umWF43Qo_jtryGaiAv6N5v1L2NqFHxUqwOzvm_v932uRHHwuXqdnzRRA3BVgDRW38atbaZ8G-vviUj93Xgu_YB6txL-edSBWEvzQOOdxwOz75jXPyiOvg2e5rSJaXAUzH4gP0DUhkww4umPQH0afA8buPseQOQ22reXVJResCm_P2mAI9FNwNPshH9czEdfdSfATT1GZX2-cZ0G0iRso6z6wpmAUAjTiZt98jjs3KFRGIxm2tuy8NcBEAa-7Q-5rvn-3B6SSNj-RP4fBw1HM-fwT_epWMN-Dovy93OOKDNLAvOUUVexpzrGuBGHxhiPS-olyEqDzFbO6tbTk5zHqOGy8gsQKvMZI1sGmDjpsTv3rlDCCZFjCr54_e_Rs4-HRLXUHI-6sUTOjXVtNvUsF4QIIB6gvoJ5ay5wJv7w6XtWyV1Bek29Nhe3RCOqb0SjYfawvBMK67y2XELNgTnHrB05OJ8gug5FwyRY8-Z-h4bSH0NxPK65dl05brDhXBem59jehao90ETaJYtCMR8Phu4Y5NcFASRhf3IbSsvaZMXMMf8ELPfmW5VLxogEo0iIQabAwe5-H9Jv8ktiDLWFjycjdTZaBIQHwC8luLOMIw-HQwyCibuhRoMJFhK3OViT0xGWZN8.ts', retrying with new connection: Input/output error
  
  [hls,applehttp @ 0x56435e2569c0] Opening 'https://video-edge-7e9f50.sea01.abs.hls.ttvnw.net/v1/segment/CtgDJCPyyRSMlIT5sLQj9bKjs2_d06umWF43Qo_jtryGaiAv6N5v1L2NqFHxUqwOzvm_v932uRHHwuXqdnzRRA3BVgDRW38atbaZ8G-vviUj93Xgu_YB6txL-edSBWEvzQOOdxwOz75jXPyiOvg2e5rSJaXAUzH4gP0DUhkww4umPQH0afA8buPseQOQ22reXVJResCm_P2mAI9FNwNPshH9czEdfdSfATT1GZX2-cZ0G0iRso6z6wpmAUAjTiZt98jjs3KFRGIxm2tuy8NcBEAa-7Q-5rvn-3B6SSNj-RP4fBw1HM-fwT_epWMN-Dovy93OOKDNLAvOUUVexpzrGuBGHxhiPS-olyEqDzFbO6tbTk5zHqOGy8gsQKvMZI1sGmDjpsTv3rlDCCZFjCr54_e_Rs4-HRLXUHI-6sUTOjXVtNvUsF4QIIB6gvoJ5ay5wJv7w6XtWyV1Bek29Nhe3RCOqb0SjYfawvBMK67y2XELNgTnHrB05OJ8gug5FwyRY8-Z-h4bSH0NxPK65dl05brDhXBem59jehao90ETaJYtCMR8Phu4Y5NcFASRhf3IbSsvaZMXMMf8ELPfmW5VLxogEo0iIQabAwe5-H9Jv8ktiDLWFjycjdTZaBIQHwC8luLOMIw-HQwyCibuhRoMJFhK3OViT0xGWZN8.ts' for reading
  
  [h264 @ 0x56435e60ad80] Invalid NAL unit 12, skipping.32.71 bitrate=3257.4kbits/s dup=2691 drop=0 speed=0.698x    
  
  [h264 @ 0x56435e60ad80] error while decoding MB 63 8, bytestream -5
  
  [h264 @ 0x56435e60ad80] concealing 7186 DC, 7186 AC, 7186 MV errors in P frame
  
  [tls @ 0x56435f3faf80] Error in the pull function.:01:44.76 bitrate=2922.7kbits/s dup=3363 drop=0 speed=0.74x     
  
  [https @ 0x56435f310ac0] Opening 'https://video-weaver.sea01.hls.ttvnw.net/v1/playlist/CsUDZUnwghPhNM5_XBj0nSEHs88T94bkhSAr-I9_sto9JTnAbBEr-ddFZSGj6VlIh5mVyieGDjzVpOmqX66tr0vRKqLTsL6A4422LjX_Np4fZBmlCDwzns9XldQxLHM22Q04NxNaIOpNuYqawZOt8UbG_u1vIEX_BAN08k1RJKJpot5X4RW3VRgS9GvVJq_IFqpdALQ9avacbeSVWNhEDuB9SAyz_7FORgYD34oYcL8pzuF-n_cAQlAJoWbW8IHUt8vkBOyP84wy9JU2cGrofs2sJkBKkRGju7cE0AfU0lMoid1l3pFauurhh9PjvqSF3a2J1A_55FxyNlogl8LydSot92F0_h4cd-DXtnspnIl4nmaBCMHnHzz3QXGZPWWtA6Rg3fOhazRBBVSucupRLY8PVaIL3bFDd06qk6Y3-4MMPnMsFDtgHSnwMAOnoho_jc4CP6UA_QZn-j0f870E3imS0HCKVZAz_B98is0wggVCZRh0tgITVYvsc-dPOEMLvigEkTsI-W4zhQfEqFQqeFuuUysaQtYh6Ttglj4NrNWuNt7AQsLn_t1RwEhfj1V2kiNmUbYX-e54S4mhN88y7-9nY9puHAZvEhBvZVjUTEp1T-ti77sazwRDGgw8qlySyJcjWsFi8GQ.m3u8' for reading
  
  skipping 4 segments ahead, expired from playlists

  I am unable to reproduce ffmpeg behavior anywhere outside of EC2