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How do I merge 4 videos into one? #8195

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opened 2026-02-21 04:16:58 -05:00 by deekerman · 5 comments

deekerman commented

2026-02-21 04:16:58 -05:00

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Originally created by @hdubb on GitHub (Jul 9, 2016).

Please follow the guide below

You will be asked some questions and requested to provide some information, please read them carefully and answer honestly
Put an x into all the boxes [ ] relevant to your issue (like that [x])
Use Preview tab to see how your issue will actually look like

Make sure you are using the latest version: run `youtube-dl --version` and ensure your version is 2016.07.09.2. If it's not read this FAQ entry and update. Issues with outdated version will be rejected.

I've verified and I assure that I'm running youtube-dl 2016.07.09.2

Before submitting an issue make sure you have:

At least skimmed through README and most notably FAQ and BUGS sections
Searched the bugtracker for similar issues including closed ones

What is the purpose of your issue?

Bug report (encountered problems with youtube-dl)
Site support request (request for adding support for a new site)
Feature request (request for a new functionality)
Question
Other

The following sections concretize particular purposed issues, you can erase any section (the contents between triple ---) not applicable to your issue

If the purpose of this issue is a bug report, site support request or you are not completely sure provide the full verbose output as follows:

Add -v flag to your command line you run youtube-dl with, copy the whole output and insert it here. It should look similar to one below (replace it with your log inserted between triple ```):

youtube-dl>youtube-dl -v http://www.nickjr.com/paw-patrol/videos/pups-save-a-goldrush-s3-ep302-full-episode/
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['-v', 'http://www.nickjr.com/paw-patrol/videos/pups-save-a-goldrush-s3-ep302-full-episode/']
[debug] Encodings: locale cp1252, fs mbcs, out cp437, pref cp1252
[debug] youtube-dl version 2016.07.09.2
[debug] Python version 3.4.4 - Windows-10-10.0.10586
[debug] exe versions: ffmpeg N-80923-g50747d6, ffprobe N-80923-g50747d6
[debug] Proxy map: {}
[nick.com] pups-save-a-goldrush-s3-ep302-full-episode: Downloading webpage
[nick.com] a2223516-9d75-11e5-8ff7-0026b9414f30: Downloading info
[nick.com] 1f23f10c-067c-11e6-8a89-0026b9414f30: Extracting information
[nick.com] 1f23f10c-067c-11e6-8a89-0026b9414f30: Downloading video urls
[nick.com] 201571da-067c-11e6-8a89-0026b9414f30: Extracting information
[nick.com] 201571da-067c-11e6-8a89-0026b9414f30: Downloading video urls
[nick.com] 200f0944-067c-11e6-8a89-0026b9414f30: Extracting information
[nick.com] 200f0944-067c-11e6-8a89-0026b9414f30: Downloading video urls
[nick.com] 1fe03074-067c-11e6-8a89-0026b9414f30: Extracting information
[nick.com] 1fe03074-067c-11e6-8a89-0026b9414f30: Downloading video urls
[download] Downloading playlist: None
[nick.com] playlist None: Collected 4 video ids (downloading 4 of them)
[download] Downloading video 1 of 4
[debug] Invoking downloader on 'http://viacommtvstrmfs.fplive.net/gsp.alias/mediabus/kids/.com/2016/04/25/04/48/54/23078a3e674642be952c011667d04970/1151243/kEmxhGDpxZ_HDPAW302A1_1151243_6106051_1920x1080_5128.mp4'
[download] PAW Patrol - 'Pups Save a Goldrush_Pups Save the Paw Patroller' S1-1f23f10c-067c-11e6-8a89-0026b9414f30.mp4 has already been downloaded
[download] 100% of 152.47MiB
[download] Downloading video 2 of 4
[debug] Invoking downloader on 'http://viacommtvstrmfs.fplive.net/gsp.alias/mediabus/kids/.com/2016/04/25/04/49/05/2e74e7f82a4c459f8f2e854f7ff7b868/1151244/GQNG2u6Sqo_HDPAW302A2_1151244_6106051_1920x1080_5128.mp4'
[download] PAW Patrol - 'Pups Save a Goldrush_Pups Save the Paw Patroller' S2-201571da-067c-11e6-8a89-0026b9414f30.mp4 has already been downloaded
[download] 100% of 342.16MiB
[download] Downloading video 3 of 4
[debug] Invoking downloader on 'http://viacommtvstrmfs.fplive.net/gsp.alias/mediabus/kids/.com/2016/04/25/04/49/02/1ab39486dde94154a7eec2ba41fe1a40/1151245/v1xeC7lIrz_HDPAW302A3_1151245_6106051_1920x1080_5128.mp4'
[download] PAW Patrol - 'Pups Save a Goldrush_Pups Save the Paw Patroller' S3-200f0944-067c-11e6-8a89-0026b9414f30.mp4 has already been downloaded
[download] 100% of 142.71MiB
[download] Downloading video 4 of 4
[debug] Invoking downloader on 'http://viacommtvstrmfs.fplive.net/gsp.alias/mediabus/kids/.com/2016/04/25/04/49/00/7b1ed57260174dd09533a61fac9b63d2/1151246/qf5EdTiiUt_HDPAW302A4_1151246_6106051_1920x1080_5128.mp4'
[download] PAW Patrol - 'Pups Save a Goldrush_Pups Save the Paw Patroller' S4-1fe03074-067c-11e6-8a89-0026b9414f30.mp4 has already been downloaded
[download] 100% of 6.54MiB
[download] Finished downloading playlist: None

Description of your issue, suggested solution and other information

When I am downloading the video above, it brings out 4 different files, I just want 1 file. I guess it is doing that because there are ad breaks in between but I don't want ads either.

Originally created by @hdubb on GitHub (Jul 9, 2016). ## Please follow the guide below - You will be asked some questions and requested to provide some information, please read them **carefully** and answer honestly - Put an `x` into all the boxes [ ] relevant to your _issue_ (like that [x]) - Use _Preview_ tab to see how your issue will actually look like --- ### Make sure you are using the _latest_ version: run `youtube-dl --version` and ensure your version is _2016.07.09.2_. If it's not read [this FAQ entry](https://github.com/rg3/youtube-dl/blob/master/README.md#how-do-i-update-youtube-dl) and update. Issues with outdated version will be rejected. - [x] I've **verified** and **I assure** that I'm running youtube-dl **2016.07.09.2** ### Before submitting an _issue_ make sure you have: - [x] At least skimmed through [README](https://github.com/rg3/youtube-dl/blob/master/README.md) and **most notably** [FAQ](https://github.com/rg3/youtube-dl#faq) and [BUGS](https://github.com/rg3/youtube-dl#bugs) sections - [x] [Searched](https://github.com/rg3/youtube-dl/search?type=Issues) the bugtracker for similar issues including closed ones ### What is the purpose of your _issue_? - [ ] Bug report (encountered problems with youtube-dl) - [ ] Site support request (request for adding support for a new site) - [ ] Feature request (request for a new functionality) - [x] Question - [x] Other --- ### The following sections concretize particular purposed issues, you can erase any section (the contents between triple ---) not applicable to your _issue_ --- ### If the purpose of this _issue_ is a _bug report_, _site support request_ or you are not completely sure provide the full verbose output as follows: Add `-v` flag to **your command line** you run youtube-dl with, copy the **whole** output and insert it here. It should look similar to one below (replace it with **your** log inserted between triple ```): ``` youtube-dl>youtube-dl -v http://www.nickjr.com/paw-patrol/videos/pups-save-a-goldrush-s3-ep302-full-episode/ [debug] System config: [] [debug] User config: [] [debug] Command-line args: ['-v', 'http://www.nickjr.com/paw-patrol/videos/pups-save-a-goldrush-s3-ep302-full-episode/'] [debug] Encodings: locale cp1252, fs mbcs, out cp437, pref cp1252 [debug] youtube-dl version 2016.07.09.2 [debug] Python version 3.4.4 - Windows-10-10.0.10586 [debug] exe versions: ffmpeg N-80923-g50747d6, ffprobe N-80923-g50747d6 [debug] Proxy map: {} [nick.com] pups-save-a-goldrush-s3-ep302-full-episode: Downloading webpage [nick.com] a2223516-9d75-11e5-8ff7-0026b9414f30: Downloading info [nick.com] 1f23f10c-067c-11e6-8a89-0026b9414f30: Extracting information [nick.com] 1f23f10c-067c-11e6-8a89-0026b9414f30: Downloading video urls [nick.com] 201571da-067c-11e6-8a89-0026b9414f30: Extracting information [nick.com] 201571da-067c-11e6-8a89-0026b9414f30: Downloading video urls [nick.com] 200f0944-067c-11e6-8a89-0026b9414f30: Extracting information [nick.com] 200f0944-067c-11e6-8a89-0026b9414f30: Downloading video urls [nick.com] 1fe03074-067c-11e6-8a89-0026b9414f30: Extracting information [nick.com] 1fe03074-067c-11e6-8a89-0026b9414f30: Downloading video urls [download] Downloading playlist: None [nick.com] playlist None: Collected 4 video ids (downloading 4 of them) [download] Downloading video 1 of 4 [debug] Invoking downloader on 'http://viacommtvstrmfs.fplive.net/gsp.alias/mediabus/kids/.com/2016/04/25/04/48/54/23078a3e674642be952c011667d04970/1151243/kEmxhGDpxZ_HDPAW302A1_1151243_6106051_1920x1080_5128.mp4' [download] PAW Patrol - 'Pups Save a Goldrush_Pups Save the Paw Patroller' S1-1f23f10c-067c-11e6-8a89-0026b9414f30.mp4 has already been downloaded [download] 100% of 152.47MiB [download] Downloading video 2 of 4 [debug] Invoking downloader on 'http://viacommtvstrmfs.fplive.net/gsp.alias/mediabus/kids/.com/2016/04/25/04/49/05/2e74e7f82a4c459f8f2e854f7ff7b868/1151244/GQNG2u6Sqo_HDPAW302A2_1151244_6106051_1920x1080_5128.mp4' [download] PAW Patrol - 'Pups Save a Goldrush_Pups Save the Paw Patroller' S2-201571da-067c-11e6-8a89-0026b9414f30.mp4 has already been downloaded [download] 100% of 342.16MiB [download] Downloading video 3 of 4 [debug] Invoking downloader on 'http://viacommtvstrmfs.fplive.net/gsp.alias/mediabus/kids/.com/2016/04/25/04/49/02/1ab39486dde94154a7eec2ba41fe1a40/1151245/v1xeC7lIrz_HDPAW302A3_1151245_6106051_1920x1080_5128.mp4' [download] PAW Patrol - 'Pups Save a Goldrush_Pups Save the Paw Patroller' S3-200f0944-067c-11e6-8a89-0026b9414f30.mp4 has already been downloaded [download] 100% of 142.71MiB [download] Downloading video 4 of 4 [debug] Invoking downloader on 'http://viacommtvstrmfs.fplive.net/gsp.alias/mediabus/kids/.com/2016/04/25/04/49/00/7b1ed57260174dd09533a61fac9b63d2/1151246/qf5EdTiiUt_HDPAW302A4_1151246_6106051_1920x1080_5128.mp4' [download] PAW Patrol - 'Pups Save a Goldrush_Pups Save the Paw Patroller' S4-1fe03074-067c-11e6-8a89-0026b9414f30.mp4 has already been downloaded [download] 100% of 6.54MiB [download] Finished downloading playlist: None ``` --- ### Description of your _issue_, suggested solution and other information When I am downloading the video above, it brings out 4 different files, I just want 1 file. I guess it is doing that because there are ad breaks in between but I don't want ads either.

deekerman closed this issue

2026-02-21 04:17:00 -05:00

deekerman commented

2026-02-21 04:17:02 -05:00

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Owner

@dstftw commented on GitHub (Jul 9, 2016):

Use ffmpeg/avconv.
No that's not because of ad breaks but because it's served as 4 separate files.
Duplicate of #2844.

@dstftw commented on GitHub (Jul 9, 2016): Use ffmpeg/avconv. No that's not because of ad breaks but because it's served as 4 separate files. Duplicate of #2844.

deekerman commented

2026-02-21 04:17:02 -05:00

Author

Owner

@hdubb commented on GitHub (Jul 10, 2016):

@dstftw thanks. but what do I type in to merge them using ffmpeg?

@hdubb commented on GitHub (Jul 10, 2016): @dstftw thanks. but what do I type in to merge them using ffmpeg?

deekerman commented

2026-02-21 04:17:02 -05:00

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Owner

@dstftw commented on GitHub (Jul 10, 2016):

@hdubb https://trac.ffmpeg.org/wiki/Concatenate.

@dstftw commented on GitHub (Jul 10, 2016): @hdubb https://trac.ffmpeg.org/wiki/Concatenate.

deekerman commented

2026-02-21 04:17:02 -05:00

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Owner

@hdubb commented on GitHub (Jul 10, 2016):

@dstftw Thanks for those instructions.
I have 3 .mp4 files named 1.mp4, 2.mp4, and 3.mp4

This is what I am supposed to do right? It seems to work now that I updated the last line but it is converting mp4 to ts, then ts back to mp4, is that necessary?

ffmpeg -i 1.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate1.ts
ffmpeg -i 2.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate2.ts
ffmpeg -i 3.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate3.ts
ffmpeg -i "concat:intermediate1.ts|intermediate2.ts|intermediate3.ts" -c copy -bsf:a aac_adtstoasc output.mp4

@hdubb commented on GitHub (Jul 10, 2016): @dstftw Thanks for those instructions. I have 3 .mp4 files named 1.mp4, 2.mp4, and 3.mp4 This is what I am supposed to do right? It seems to work now that I updated the last line but it is converting mp4 to ts, then ts back to mp4, is that necessary? ffmpeg -i 1.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate1.ts ffmpeg -i 2.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate2.ts ffmpeg -i 3.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate3.ts ffmpeg -i "concat:intermediate1.ts|intermediate2.ts|intermediate3.ts" -c copy -bsf:a aac_adtstoasc output.mp4

deekerman commented

2026-02-21 04:17:02 -05:00

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@Reino17 commented on GitHub (Jul 10, 2016):

You have 3 mp4-files, or rather mp4-containers, each with a H264-videostream and an AAC-audiostream inside: [h264+aac] [h264+aac] [h264+aac].
In order to create 1 mp4-file with all the other 3 concatenated, you first have to extract the streams from it's container: h264+aac h264+aac h264+aac.
Then you can concat them together and put the newly formed audio- and videostream in a new mp4-container: [h264+aac|h264+aac|h264+aac].
So yes, the intermediate step is necessary. Unless you have a system that supports names pipes. Then you can do it in one go.

Btw, if you clearly specify .ts in the filename, then -f mpegts is not really necessary. Just like -f mp4 isn't necessary in the final step.

@Reino17 commented on GitHub (Jul 10, 2016): You have 3 mp4-files, or rather mp4-containers, each with a H264-videostream and an AAC-audiostream inside: `[h264+aac] [h264+aac] [h264+aac]`. In order to create 1 mp4-file with all the other 3 concatenated, you first have to extract the streams from it's container: `h264+aac h264+aac h264+aac`. Then you can concat them together and put the newly formed audio- and videostream in a new mp4-container: `[h264+aac|h264+aac|h264+aac]`. So yes, the intermediate step is necessary. Unless you have [a system that supports names pipes](https://trac.ffmpeg.org/wiki/Concatenate#protocol). Then you can do it in one go. Btw, if you clearly specify `.ts` in the filename, then `-f mpegts` is not really necessary. Just like `-f mp4` isn't necessary in the final step.

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How do I merge 4 videos into one? #8195

Please follow the guide below

Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2016.07.09.2. If it's not read this FAQ entry and update. Issues with outdated version will be rejected.

Before submitting an issue make sure you have:

What is the purpose of your issue?

The following sections concretize particular purposed issues, you can erase any section (the contents between triple ---) not applicable to your issue

If the purpose of this issue is a bug report, site support request or you are not completely sure provide the full verbose output as follows:

Description of your issue, suggested solution and other information

Make sure you are using the latest version: run `youtube-dl --version` and ensure your version is 2016.07.09.2. If it's not read this FAQ entry and update. Issues with outdated version will be rejected.