how to mux downloaded video and audio from youtube

[darknesslord]

hi everyone, i wanted to downloaded a video from YouTube using en.savefrom.net or http://www.keepvid.com/. but it seems that youtube send audio and video separately for resolutions more 720.
i so downloaded them the i could, separately.
but now i cannot mux them.
i use mkvmerge but i get error code2,Error: No streams to output were found. Aborting.
my sources are:

VIDEO:

General
Complete name                            : F:\...
Format                                   : dash
Codec ID                                 : dash
File size                                : 481 MiB
Duration                                 : 3mn 52s
Overall bit rate                         : 17.4 Mbps
Encoded date                             : UTC 2014-02-17 23:52:00
Tagged date                              : UTC 2014-02-17 23:52:00

Video
ID                                       : 1
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : High@L5.1
Format settings, CABAC                   : No
Format settings, ReFrames                : 2 frames
Codec ID                                 : avc1
Codec ID/Info                            : Advanced Video Coding
Duration                                 : 3mn 52s
Bit rate mode                            : Constant
Bit rate                                 : 17.4 Mbps
Width                                    : 3 840 pixels
Height                                   : 2 160 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Variable
Frame rate                               : 23.976 fps
Minimum frame rate                       : 23.974 fps
Maximum frame rate                       : 24.291 fps
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Bits/(Pixel*Frame)                       : 0.087
Stream size                              : 481 MiB (100%)
Encoded date                             : UTC 2014-02-17 23:52:00
Tagged date                              : UTC 2014-02-17 23:52:00

AUDIO:

General
Complete name                            : F:\...
Format                                   : dash
Codec ID                                 : dash
File size                                : 3.52 MiB
Duration                                 : 3mn 52s
Overall bit rate mode                    : Constant
Overall bit rate                         : 127 Kbps
Encoded date                             : UTC 2014-02-17 23:51:12
Tagged date                              : UTC 2014-02-17 23:51:12

Audio
ID                                       : 1
Format                                   : AAC
Format/Info                              : Advanced Audio Codec
Format profile                           : LC
Codec ID                                 : 40
Duration                                 : 3mn 52s
Bit rate mode                            : Constant
Bit rate                                 : 126 Kbps
Channel(s)                               : 2 channels
Channel positions                        : Front: L R
Sampling rate                            : 44.1 KHz
Compression mode                         : Lossy
Stream size                              : 3.48 MiB (99%)
Encoded date                             : UTC 2014-02-17 23:51:12
Tagged date                              : UTC 2014-02-17 23:51:12

[adom]

I had the same error with mkvMerge so finally I used myMp4BoxGui (mp4 instead of mkv) and it worked.

[MaverickTse]

Save your trouble by using ChrisPC Free VideoTube Downloader

[aazerty]

Hi darknesslord ,

What I should do .

I suppose you got :
keepvid.h264
keepvid.aac

I suppose the fps=24.000

Create a batch file ( ex. Z_keepvid.bat )

@echo on
"MP4Box.exe" -add keepvid.h264:fps=24.000#video -add keepvid.aac#audio -new "keepvid_final.mp4"
rem
rem verify you got 1 file ("keepvid_final.mp4")
pause
:fin

Put it in the directory containing "MP4Box.exe" .
Launch it .

Regards .

[darknesslord]

Save your trouble by using ChrisPC Free VideoTube Downloader

you are right, but i leach is to some file server and download it whenever i want and i'm able to resume it

[darknesslord]

I had the same error with mkvMerge so finally I used myMp4BoxGui (mp4 instead of mkv) and it worked.

thanx it worked correctly

[darknesslord]

Hi darknesslord ,

What I should do .

I suppose you got :
keepvid.h264
keepvid.aac

I suppose the fps=24.000

Create a batch file ( ex. Z_keepvid.bat )

@echo on
"MP4Box.exe" -add keepvid.h264:fps=24.000#video -add keepvid.aac#audio -new "keepvid_final.mp4"
rem
rem verify you got 1 file ("keepvid_final.mp4")
pause
:fin

Put it in the directory containing "MP4Box.exe" .
Launch it .

Regards .

thanks for answer
MP4box GUI worked fine, no need to trouble myselft with coding unless i am batch muxing