[Freedombox-discuss] No sound for video put under bepasty.

A. F. Cano afc54 at comcast.net
Mon Mar 16 01:27:10 GMT 2026


Hello,

Tried again and this time I think the problem is in bepasty.  All the
previous steps still have sound.

This is a video recorded with mythtv, DVR software www.mythtv.org.
When played with smplayer, there is sound.  Then I extracted a clip from
the show with kdenlive and the clip still had sound.  Then I converted
it to SD with the following command (part of a script):

ffmpeg -i $1 -vf "scale='min(640,iw)':-2" -c:v libx264 -preset medium -crf 23 -c:a copy -movflags +faststart $DEST/$SDFILE

It still had sound when played with smplayer.  But when imported into
bepasty, no sound.  This is what mediainfo reports for the clip:

General
Complete name                            : dn-jeffrey-sacks-2790-3491.ts-SD.mp4
Format                                   : MPEG-4
Format profile                           : Base Media
Codec ID                                 : isom (isom/dby1/iso2/avc1/mp41)
File size                                : 51.5 MiB
Duration                                 : 11 min 41 s
Overall bit rate                         : 615 kb/s
Frame rate                               : 29.970 FPS
Writing application                      : Lavf60.16.100

Video
ID                                       : 1
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : High at L3
Format settings                          : CABAC / 4 Ref Frames
Format settings, CABAC                   : Yes
Format settings, Reference frames        : 4 frames
Codec ID                                 : avc1
Codec ID/Info                            : Advanced Video Coding
Duration                                 : 11 min 41 s
Bit rate                                 : 226 kb/s
Width                                    : 640 pixels
Height                                   : 360 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Constant
Frame rate                               : 29.970 (30000/1001) FPS
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Bits/(Pixel*Frame)                       : 0.033
Stream size                              : 18.9 MiB (37%)
Writing library                          : x264 core 164
Encoding settings                        : cabac=1 / ref=3 / deblock=1:0:0 / analyse=0x3:0x113 / me=hex / subme=7 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=6 / lookahead_threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=2 / keyint=250 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=crf / mbtree=1 / crf=23.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / ip_ratio=1.40 / aq=1:1.00
Codec configuration box                  : avcC

Audio
ID                                       : 2
Format                                   : AC-3
Format/Info                              : Audio Coding 3
Commercial name                          : Dolby Digital
Codec ID                                 : ac-3
Duration                                 : 11 min 41 s
Bit rate mode                            : Constant
Bit rate                                 : 384 kb/s
Channel(s)                               : 2 channels
Channel layout                           : L R
Sampling rate                            : 48.0 kHz
Frame rate                               : 31.250 FPS (1536 SPF)
Compression mode                         : Lossy
Stream size                              : 32.1 MiB (62%)
Language                                 : English
Service kind                             : Complete Main
Default                                  : Yes
Alternate group                          : 1

Text #1
ID                                       : 1-CC1
Format                                   : EIA-608
Muxing mode                              : SCTE 128 / DTVCC Transport
Muxing mode, more info                   : Muxed in Video #1
Duration                                 : 11 min 41 s
Start time (commands)                    : 1 s 568 ms
Start time                               : 2 s 870 ms
Bit rate mode                            : Constant
Stream size                              : 0.00 Byte (0%)
Count of frames before first event       : 146
Type of the first event                  : PopOn

Text #2
ID                                       : 1-1
Format                                   : EIA-708
Muxing mode                              : SCTE 128 / DTVCC Transport
Muxing mode, more info                   : Muxed in Video #1
Duration                                 : 11 min 41 s
Bit rate mode                            : Constant
Stream size                              : 0.00 Byte (0%)

Text #3
ID                                       : 1-2
Format                                   : EIA-708
Muxing mode                              : SCTE 128 / DTVCC Transport
Muxing mode, more info                   : Muxed in Video #1
Duration                                 : 11 min 41 s
Bit rate mode                            : Constant
Stream size                              : 0.00 Byte (0%)

Is this a limitation of bepasty? should I give some specific option to
make the video compatible with bepasty?

Thanks.

Augustine



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