ffmpeg: File not found, but obviously is accessible












1















Either I'm doing some very stupid mistake, or I've stumbled upon a very strange bug here. I'm in bash, and I want to convert a .flac to a .mp3 using ffmpeg. Running



ffmpeg -i 3 - Thirty Seconds to Mars - Rescue Me.flac 3 - Thirty Seconds to Mars - Rescue Me.mp3


results in 3 - Thirty Seconds to Mars - Rescue Me.flac: No such file or directory, although stat and ls both show the file with read permissions for the current user, and I can even view its contents using less.



I suspected a problem with the filename, so I renamed the file to asdf.flac, which worked, but ffmpeg -i asdf.flac asdf.mp3 still gives me asdf.flac: No such file or directory.



To exclude permission issues, I already did chmod -R 777 . to make the directory and all files world-readable and world-writable, still no chance.



Any ideas what could cause ffmpeg to not find the file, although it's obviously there?










share|improve this question


















  • 1





    What is the output of type ffmpeg? If it returns a path, what is the output of file /the/path/to/ffmpeg? Is there something quirky about the filesystem? (e.g. FUSE).

    – Kamil Maciorowski
    Jan 22 at 11:13











  • The only way I can think that this would occur is if ffmpeg has the set user/group ID permission. What does ls -l $(which ffmpeg) report?

    – AFH
    Jan 22 at 18:19











  • Maybe it's something weird in the filename. Can you rename the source to something simple and try operating on that?

    – wef
    Jan 22 at 22:25











  • @wef Please re-read the question: "I suspected a problem with the filename, so I renamed the file to asdf.flac, which worked, but ffmpeg -i asdf.flac asdf.mp3 still gives me asdf.flac: No such file or directory."

    – slhck
    Jan 23 at 12:26













  • Whoops - seriously didn't notice that. Apologies.

    – wef
    Jan 23 at 23:22
















1















Either I'm doing some very stupid mistake, or I've stumbled upon a very strange bug here. I'm in bash, and I want to convert a .flac to a .mp3 using ffmpeg. Running



ffmpeg -i 3 - Thirty Seconds to Mars - Rescue Me.flac 3 - Thirty Seconds to Mars - Rescue Me.mp3


results in 3 - Thirty Seconds to Mars - Rescue Me.flac: No such file or directory, although stat and ls both show the file with read permissions for the current user, and I can even view its contents using less.



I suspected a problem with the filename, so I renamed the file to asdf.flac, which worked, but ffmpeg -i asdf.flac asdf.mp3 still gives me asdf.flac: No such file or directory.



To exclude permission issues, I already did chmod -R 777 . to make the directory and all files world-readable and world-writable, still no chance.



Any ideas what could cause ffmpeg to not find the file, although it's obviously there?










share|improve this question


















  • 1





    What is the output of type ffmpeg? If it returns a path, what is the output of file /the/path/to/ffmpeg? Is there something quirky about the filesystem? (e.g. FUSE).

    – Kamil Maciorowski
    Jan 22 at 11:13











  • The only way I can think that this would occur is if ffmpeg has the set user/group ID permission. What does ls -l $(which ffmpeg) report?

    – AFH
    Jan 22 at 18:19











  • Maybe it's something weird in the filename. Can you rename the source to something simple and try operating on that?

    – wef
    Jan 22 at 22:25











  • @wef Please re-read the question: "I suspected a problem with the filename, so I renamed the file to asdf.flac, which worked, but ffmpeg -i asdf.flac asdf.mp3 still gives me asdf.flac: No such file or directory."

    – slhck
    Jan 23 at 12:26













  • Whoops - seriously didn't notice that. Apologies.

    – wef
    Jan 23 at 23:22














1












1








1








Either I'm doing some very stupid mistake, or I've stumbled upon a very strange bug here. I'm in bash, and I want to convert a .flac to a .mp3 using ffmpeg. Running



ffmpeg -i 3 - Thirty Seconds to Mars - Rescue Me.flac 3 - Thirty Seconds to Mars - Rescue Me.mp3


results in 3 - Thirty Seconds to Mars - Rescue Me.flac: No such file or directory, although stat and ls both show the file with read permissions for the current user, and I can even view its contents using less.



I suspected a problem with the filename, so I renamed the file to asdf.flac, which worked, but ffmpeg -i asdf.flac asdf.mp3 still gives me asdf.flac: No such file or directory.



To exclude permission issues, I already did chmod -R 777 . to make the directory and all files world-readable and world-writable, still no chance.



Any ideas what could cause ffmpeg to not find the file, although it's obviously there?










share|improve this question














Either I'm doing some very stupid mistake, or I've stumbled upon a very strange bug here. I'm in bash, and I want to convert a .flac to a .mp3 using ffmpeg. Running



ffmpeg -i 3 - Thirty Seconds to Mars - Rescue Me.flac 3 - Thirty Seconds to Mars - Rescue Me.mp3


results in 3 - Thirty Seconds to Mars - Rescue Me.flac: No such file or directory, although stat and ls both show the file with read permissions for the current user, and I can even view its contents using less.



I suspected a problem with the filename, so I renamed the file to asdf.flac, which worked, but ffmpeg -i asdf.flac asdf.mp3 still gives me asdf.flac: No such file or directory.



To exclude permission issues, I already did chmod -R 777 . to make the directory and all files world-readable and world-writable, still no chance.



Any ideas what could cause ffmpeg to not find the file, although it's obviously there?







linux bash ffmpeg filesystems file-permissions






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Jan 22 at 11:04









LukeLRLukeLR

8031419




8031419








  • 1





    What is the output of type ffmpeg? If it returns a path, what is the output of file /the/path/to/ffmpeg? Is there something quirky about the filesystem? (e.g. FUSE).

    – Kamil Maciorowski
    Jan 22 at 11:13











  • The only way I can think that this would occur is if ffmpeg has the set user/group ID permission. What does ls -l $(which ffmpeg) report?

    – AFH
    Jan 22 at 18:19











  • Maybe it's something weird in the filename. Can you rename the source to something simple and try operating on that?

    – wef
    Jan 22 at 22:25











  • @wef Please re-read the question: "I suspected a problem with the filename, so I renamed the file to asdf.flac, which worked, but ffmpeg -i asdf.flac asdf.mp3 still gives me asdf.flac: No such file or directory."

    – slhck
    Jan 23 at 12:26













  • Whoops - seriously didn't notice that. Apologies.

    – wef
    Jan 23 at 23:22














  • 1





    What is the output of type ffmpeg? If it returns a path, what is the output of file /the/path/to/ffmpeg? Is there something quirky about the filesystem? (e.g. FUSE).

    – Kamil Maciorowski
    Jan 22 at 11:13











  • The only way I can think that this would occur is if ffmpeg has the set user/group ID permission. What does ls -l $(which ffmpeg) report?

    – AFH
    Jan 22 at 18:19











  • Maybe it's something weird in the filename. Can you rename the source to something simple and try operating on that?

    – wef
    Jan 22 at 22:25











  • @wef Please re-read the question: "I suspected a problem with the filename, so I renamed the file to asdf.flac, which worked, but ffmpeg -i asdf.flac asdf.mp3 still gives me asdf.flac: No such file or directory."

    – slhck
    Jan 23 at 12:26













  • Whoops - seriously didn't notice that. Apologies.

    – wef
    Jan 23 at 23:22








1




1





What is the output of type ffmpeg? If it returns a path, what is the output of file /the/path/to/ffmpeg? Is there something quirky about the filesystem? (e.g. FUSE).

– Kamil Maciorowski
Jan 22 at 11:13





What is the output of type ffmpeg? If it returns a path, what is the output of file /the/path/to/ffmpeg? Is there something quirky about the filesystem? (e.g. FUSE).

– Kamil Maciorowski
Jan 22 at 11:13













The only way I can think that this would occur is if ffmpeg has the set user/group ID permission. What does ls -l $(which ffmpeg) report?

– AFH
Jan 22 at 18:19





The only way I can think that this would occur is if ffmpeg has the set user/group ID permission. What does ls -l $(which ffmpeg) report?

– AFH
Jan 22 at 18:19













Maybe it's something weird in the filename. Can you rename the source to something simple and try operating on that?

– wef
Jan 22 at 22:25





Maybe it's something weird in the filename. Can you rename the source to something simple and try operating on that?

– wef
Jan 22 at 22:25













@wef Please re-read the question: "I suspected a problem with the filename, so I renamed the file to asdf.flac, which worked, but ffmpeg -i asdf.flac asdf.mp3 still gives me asdf.flac: No such file or directory."

– slhck
Jan 23 at 12:26







@wef Please re-read the question: "I suspected a problem with the filename, so I renamed the file to asdf.flac, which worked, but ffmpeg -i asdf.flac asdf.mp3 still gives me asdf.flac: No such file or directory."

– slhck
Jan 23 at 12:26















Whoops - seriously didn't notice that. Apologies.

– wef
Jan 23 at 23:22





Whoops - seriously didn't notice that. Apologies.

– wef
Jan 23 at 23:22










1 Answer
1






active

oldest

votes


















1














@kamil-maciorowski pointed me to the right direction.



lukas@Server:~$ type ffmpeg
ffmpeg ist /usr/local/bin/ffmpeg


Which reminded me of a firejail setup.



lukas@Server:~$ file /usr/local/bin/ffmpeg
/usr/local/bin/ffmpeg: symbolic link to /usr/bin/firejail


Confirmed this. So apparently ffmpeg is running in a jail. Didn't know that I had firejail set up on that machine, but running /usr/bin/ffmpeg directly worked. So there is a restriction of the jail present, that doesn't whitelist input files.






share|improve this answer























    Your Answer








    StackExchange.ready(function() {
    var channelOptions = {
    tags: "".split(" "),
    id: "3"
    };
    initTagRenderer("".split(" "), "".split(" "), channelOptions);

    StackExchange.using("externalEditor", function() {
    // Have to fire editor after snippets, if snippets enabled
    if (StackExchange.settings.snippets.snippetsEnabled) {
    StackExchange.using("snippets", function() {
    createEditor();
    });
    }
    else {
    createEditor();
    }
    });

    function createEditor() {
    StackExchange.prepareEditor({
    heartbeatType: 'answer',
    autoActivateHeartbeat: false,
    convertImagesToLinks: true,
    noModals: true,
    showLowRepImageUploadWarning: true,
    reputationToPostImages: 10,
    bindNavPrevention: true,
    postfix: "",
    imageUploader: {
    brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
    contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
    allowUrls: true
    },
    onDemand: true,
    discardSelector: ".discard-answer"
    ,immediatelyShowMarkdownHelp:true
    });


    }
    });














    draft saved

    draft discarded


















    StackExchange.ready(
    function () {
    StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fsuperuser.com%2fquestions%2f1396972%2fffmpeg-file-not-found-but-obviously-is-accessible%23new-answer', 'question_page');
    }
    );

    Post as a guest















    Required, but never shown

























    1 Answer
    1






    active

    oldest

    votes








    1 Answer
    1






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    1














    @kamil-maciorowski pointed me to the right direction.



    lukas@Server:~$ type ffmpeg
    ffmpeg ist /usr/local/bin/ffmpeg


    Which reminded me of a firejail setup.



    lukas@Server:~$ file /usr/local/bin/ffmpeg
    /usr/local/bin/ffmpeg: symbolic link to /usr/bin/firejail


    Confirmed this. So apparently ffmpeg is running in a jail. Didn't know that I had firejail set up on that machine, but running /usr/bin/ffmpeg directly worked. So there is a restriction of the jail present, that doesn't whitelist input files.






    share|improve this answer




























      1














      @kamil-maciorowski pointed me to the right direction.



      lukas@Server:~$ type ffmpeg
      ffmpeg ist /usr/local/bin/ffmpeg


      Which reminded me of a firejail setup.



      lukas@Server:~$ file /usr/local/bin/ffmpeg
      /usr/local/bin/ffmpeg: symbolic link to /usr/bin/firejail


      Confirmed this. So apparently ffmpeg is running in a jail. Didn't know that I had firejail set up on that machine, but running /usr/bin/ffmpeg directly worked. So there is a restriction of the jail present, that doesn't whitelist input files.






      share|improve this answer


























        1












        1








        1







        @kamil-maciorowski pointed me to the right direction.



        lukas@Server:~$ type ffmpeg
        ffmpeg ist /usr/local/bin/ffmpeg


        Which reminded me of a firejail setup.



        lukas@Server:~$ file /usr/local/bin/ffmpeg
        /usr/local/bin/ffmpeg: symbolic link to /usr/bin/firejail


        Confirmed this. So apparently ffmpeg is running in a jail. Didn't know that I had firejail set up on that machine, but running /usr/bin/ffmpeg directly worked. So there is a restriction of the jail present, that doesn't whitelist input files.






        share|improve this answer













        @kamil-maciorowski pointed me to the right direction.



        lukas@Server:~$ type ffmpeg
        ffmpeg ist /usr/local/bin/ffmpeg


        Which reminded me of a firejail setup.



        lukas@Server:~$ file /usr/local/bin/ffmpeg
        /usr/local/bin/ffmpeg: symbolic link to /usr/bin/firejail


        Confirmed this. So apparently ffmpeg is running in a jail. Didn't know that I had firejail set up on that machine, but running /usr/bin/ffmpeg directly worked. So there is a restriction of the jail present, that doesn't whitelist input files.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Jan 23 at 13:45









        LukeLRLukeLR

        8031419




        8031419






























            draft saved

            draft discarded




















































            Thanks for contributing an answer to Super User!


            • Please be sure to answer the question. Provide details and share your research!

            But avoid



            • Asking for help, clarification, or responding to other answers.

            • Making statements based on opinion; back them up with references or personal experience.


            To learn more, see our tips on writing great answers.




            draft saved


            draft discarded














            StackExchange.ready(
            function () {
            StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fsuperuser.com%2fquestions%2f1396972%2fffmpeg-file-not-found-but-obviously-is-accessible%23new-answer', 'question_page');
            }
            );

            Post as a guest















            Required, but never shown





















































            Required, but never shown














            Required, but never shown












            Required, but never shown







            Required, but never shown

































            Required, but never shown














            Required, but never shown












            Required, but never shown







            Required, but never shown







            Popular posts from this blog

            flock() on closed filehandle LOCK_FILE at /usr/bin/apt-mirror

            Mangá

            Eduardo VII do Reino Unido