[FFmpeg-user] When downloading HLS video with FFMPEG it does not download the audio

[Thiago Franklin]

can anybody help me? I've already turned the internet upside down and I
can't find a solution. This problem only happens in some videos and others
work normally.

Em seg., 2 de ago. de 2021 23:03, Thiago Franklin <
thiago.franklin at portalser.org> escreveu:

> I have a problem, when I try to download an HLS video with FFMPEG, it
> downloads the video track, but it doesn't find the AUDIO. When running the
> HLS .m3u8 file in a player, it plays normally, audio and video, but when
> trying to download, it shows an error message saying that the audio cannot
> be found.
>
> https://teste-etv.espiritismo.tv/437602.m3u8
>
> *I'm running the following command:*
>
> ffmpeg.exe -i "https://teste-etv.espiritismo.tv/437602.m3u8" -codec:a
> libmp3lame -b:a 96k teste-hls.mp3
>
> *OR*
>
> ffmpeg -i "https://appsetv.b-cdn.net/hls/437602/437602.m3u8" c copy -absf
> aac_adtstoasc teste-hls.mp3
>
> *Displays the following error when trying to download the audio:*
>
> [hls @ 0000021b5d9ad940] Skip ('#EXT-X-VERSION:3')
> [hls @ 0000021b5d9ad940] Skip ('#EXT-X-INDEPENDENT-SEGMENTS')
> [hls @ 0000021b5d9ad940] Opening 'https://appsetv.b-cdn.net/hls/437602/437602-1080p.m3u8' for reading
> [hls @ 0000021b5d9ad940] Skip ('#EXT-X-VERSION:3')
> [https @ 0000021b5e10ee00] Opening 'https://appsetv.b-cdn.net/hls/437602/437602-720p.m3u8' for reading
> [hls @ 0000021b5d9ad940] Skip ('#EXT-X-VERSION:3')
> [https @ 0000021b5e10ee00] Opening 'https://appsetv.b-cdn.net/hls/437602/437602-540p.m3u8' for reading
> [hls @ 0000021b5d9ad940] Skip ('#EXT-X-VERSION:3')
> [https @ 0000021b5e10ee00] Opening 'https://appsetv.b-cdn.net/hls/437602/437602-360p.m3u8' for reading
> [hls @ 0000021b5d9ad940] Skip ('#EXT-X-VERSION:3')
> [hls @ 0000021b5d9ad940] Opening 'https://appsetv.b-cdn.net/hls/437602/437602-1080p_00001.ts' for reading
> [hls @ 0000021b5d9ad940] Opening 'https://appsetv.b-cdn.net/hls/437602/437602-1080p_00002.ts' for reading
> [hls @ 0000021b5d9ad940] Opening 'https://appsetv.b-cdn.net/hls/437602/437602-720p_00001.ts' for reading
> [hls @ 0000021b5d9ad940] Opening 'https://appsetv.b-cdn.net/hls/437602/437602-720p_00002.ts' for reading
> [hls @ 0000021b5d9ad940] Opening 'https://appsetv.b-cdn.net/hls/437602/437602-540p_00001.ts' for reading
> [hls @ 0000021b5d9ad940] Opening 'https://appsetv.b-cdn.net/hls/437602/437602-540p_00002.ts' for reading
> [hls @ 0000021b5d9ad940] Opening 'https://appsetv.b-cdn.net/hls/437602/437602-360p_00001.ts' for reading
> [hls @ 0000021b5d9ad940] Opening 'https://appsetv.b-cdn.net/hls/437602/437602-360p_00002.ts' for reading
> [hls @ 0000021b5d9ad940] Could not find codec parameters for stream 1 (Audio: aac ([15][0][0][0] / 0x000F), 0 channels, fltp): unspecified sample rate
> Consider increasing the value for the 'analyzeduration' and 'probesize' options
> [hls @ 0000021b5d9ad940] Could not find codec parameters for stream 3 (Audio: aac ([15][0][0][0] / 0x000F), 0 channels, fltp): unspecified sample rate
> Consider increasing the value for the 'analyzeduration' and 'probesize' options
> [hls @ 0000021b5d9ad940] Could not find codec parameters for stream 5 (Audio: aac ([15][0][0][0] / 0x000F), 0 channels, fltp): unspecified sample rate
> Consider increasing the value for the 'analyzeduration' and 'probesize' options
> [hls @ 0000021b5d9ad940] Could not find codec parameters for stream 7 (Audio: aac ([15][0][0][0] / 0x000F), 0 channels, fltp): unspecified sample rate
> Consider increasing the value for the 'analyzeduration' and 'probesize' options
> Input #0, hls, from 'https://appsetv.b-cdn.net/hls/437602/437602.m3u8':
>   Duration: 00:01:41.00, start: 2.083333, bitrate: 0 kb/s
>   Program 0
>     Metadata:
>       variant_bitrate : 2509173
>     Stream #0:0: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 24 fps, 24 tbr, 90k tbn, 48 tbc
>     Metadata:
>       variant_bitrate : 2509173
>     Stream #0:1: Audio: aac ([15][0][0][0] / 0x000F), 0 channels, fltp
>     Metadata:
>       variant_bitrate : 2509173
>   Program 1
>     Metadata:
>       variant_bitrate : 1205957
>     Stream #0:2: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 24 fps, 24 tbr, 90k tbn, 48 tbc
>     Metadata:
>       variant_bitrate : 1205957
>     Stream #0:3: Audio: aac ([15][0][0][0] / 0x000F), 0 channels, fltp
>     Metadata:
>       variant_bitrate : 1205957
>   Program 2
>     Metadata:
>       variant_bitrate : 1165600
>     Stream #0:4: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p, 960x540 [SAR 1:1 DAR 16:9], 24 fps, 24 tbr, 90k tbn, 48 tbc
>     Metadata:
>       variant_bitrate : 1165600
>     Stream #0:5: Audio: aac ([15][0][0][0] / 0x000F), 0 channels, fltp
>     Metadata:
>       variant_bitrate : 1165600
>   Program 3
>     Metadata:
>       variant_bitrate : 656245
>     Stream #0:6: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 24 fps, 24 tbr, 90k tbn, 48 tbc
>     Metadata:
>       variant_bitrate : 656245
>     Stream #0:7: Audio: aac ([15][0][0][0] / 0x000F), 0 channels, fltp
>     Metadata:
>       variant_bitrate : 656245
> Output #0, mp3, to 'teste-hls.mp3':
> Output file #0 does not contain any stream
>
>
>
>