Help with adding watermark to uploading video - ffmpeg

Chrisj · August 27, 2018

The php web video script that I'm using, has ffmpeg, and it uploads videos succesfully.

I'm trying to add the ability to add a watermark onto the video upon upload. However, what I've added

-i /home/user/public_html/watermark.png -filter_complex 'overlay=10:10'

shows N ERROR:

Media error: Format(s) not supported or sources not found
mejs.download-file: https://…com/upload/videos/2018/08/6SWCpSImGQrsVXGgIh7A_24_549ebe0d36bccb10faf72b81e303ce50_video_360p_converted.mp4

mejs.download-file: https://…com/upload/videos/2018/08/Ubud1OqKHK7MPjvtbHw5_24_cdab9c4bc2a4eccc7c478526abb530d8_video_240p_converted.mp4

Any suggestion/solution will be appreciated. Here's the entire file code:

<?php
if (IS_LOGGED == false || $pt->config->upload_system != 'on') {
    $data = array(
        'status' => 400,
        'error' => 'Not logged in'
    );
    echo json_encode($data);
    exit();
} else if ($pt->config->ffmpeg_system != 'on') {
    $data = array(
        'status' => 402
    );
    echo json_encode($data);
    exit();
} else {
    $getID3    = new getID3;
    $featured  = ($user->is_pro == 1) ? 1 : 0;
    $filesize  = 0;
    $error     = false;
    $request   = array();
    $request[] = (empty($_POST['title']) || empty($_POST['description']));
    $request[] = (empty($_POST['tags']) || empty($_POST['video-thumnail']));
    if (in_array(true, $request)) {
        $error = $lang->please_check_details;
    } else if (empty($_POST['video-location'])) {
        $error = $lang->video_not_found_please_try_again;
    } else {
        $request   = array();
        $request[] = (!in_array($_POST['video-location'], $_SESSION['uploads']['videos']));
        $request[] = (!in_array($_POST['video-thumnail'], $_SESSION['uploads']['images']));
        $request[] = (!file_exists($_POST['video-location']));
        if (in_array(true, $request)) {
            $error = $lang->error_msg;
        }
    }
    if (empty($error)) {
        $file     = $getID3->analyze($_POST['video-location']);
        $duration = '00:00';
        if (!empty($file['playtime_string'])) {
            $duration = PT_Secure($file['playtime_string']);
        }
        if (!empty($file['filesize'])) {
            $filesize = $file['filesize'];
        }
        $video_res = (!empty($file['video']['resolution_x'])) ? $file['video']['resolution_x'] : 0;
        $video_id        = PT_GenerateKey(15, 15);
        $check_for_video = $db->where('video_id', $video_id)->getValue(T_VIDEOS, 'count(*)');
        if ($check_for_video > 0) {
            $video_id = PT_GenerateKey(15, 15);
        }
        $thumbnail = PT_Secure($_POST['video-thumnail'], 0);
        if (file_exists($thumbnail)) {
            $upload = PT_UploadToS3($thumbnail);
        }
        $category_id = 0;
        $convert     = true;
        $thumbnail   = substr($thumbnail, strpos($thumbnail, "upload"), 120);
        if (!empty($_POST['category_id'])) {
            if (in_array($_POST['category_id'], array_keys($categories))) {
                $category_id = PT_Secure($_POST['category_id']);
            }
        }
        $link_regex = '/(http\:\/\/|https\:\/\/|www\.)([^\ ]+)/i';
        $i          = 0;
        preg_match_all($link_regex, PT_Secure($_POST['description']), $matches);
        foreach ($matches[0] as $match) {
            $match_url            = strip_tags($match);
            $syntax               = '[a]' . urlencode($match_url) . '[/a]';
            $_POST['description'] = str_replace($match, $syntax, $_POST['description']);
        }
        $video_privacy = 0;
        if (!empty($_POST['privacy'])) {
            if (in_array($_POST['privacy'], array(0, 1, 2))) {
                $video_privacy = PT_Secure($_POST['privacy']);
            }
        }
        $age_restriction = 1;
        if (!empty($_POST['age_restriction'])) {
            if (in_array($_POST['age_restriction'], array(1, 2))) {
                $age_restriction = PT_Secure($_POST['age_restriction']);
            }
        }
        $data_insert = array(
            'video_id' => $video_id,
            'user_id' => $user->id,
            'title' => PT_Secure($_POST['title']),
            'description' => PT_Secure($_POST['description']),
            'tags' => PT_Secure($_POST['tags']),
            'duration' => $duration,
            'video_location' => '',
            'category_id' => $category_id,
            'thumbnail' => $thumbnail,
            'time' => time(),
            'registered' => date('Y') . '/' . intval(date('m')),
            'featured' => $featured,
            'converted' => '2',
            'size' => $filesize,
            'privacy' => $video_privacy,
            'age_restriction' => $age_restriction
        );
        if ($pt->config->approve_videos == 'on' && !PT_IsAdmin()) {
            $data_insert['approved'] = 0;
        }
        $insert      = $db->insert(T_VIDEOS, $data_insert);
        if ($insert) {
            $data = array(
                'status' => 200,
                'video_id' => $video_id,
                'link' => PT_Link("watch/$video_id")
            );
            ob_end_clean();
            header("Content-Encoding: none");
            header("Connection: close");
            ignore_user_abort();
            ob_start();
            header('Content-Type: application/json');
            echo json_encode($data);
            $size = ob_get_length();
            header("Content-Length: $size");
            ob_end_flush();
            flush();
            session_write_close();
            if (is_callable('fastcgi_finish_request')) {
                fastcgi_finish_request();
            }
            $ffmpeg_b                   = $pt->config->ffmpeg_binary_file;
            $filepath                   = explode('.', $_POST['video-location'])[0];
            $time                       = time();
            $full_dir                   = str_replace('ajax', '/', __DIR__);

            $video_output_full_path_240 = $full_dir . $filepath . "_240p_converted.mp4";
            $video_output_full_path_360 = $full_dir . $filepath . "_360p_converted.mp4";
            $video_output_full_path_480 = $full_dir . $filepath . "_480p_converted.mp4";
            $video_output_full_path_720 = $full_dir . $filepath . "_720p_converted.mp4";
            $video_output_full_path_1080 = $full_dir . $filepath . "_1080p_converted.mp4";
            $video_output_full_path_2048 = $full_dir . $filepath . "_2048p_converted.mp4";
            $video_output_full_path_4096 = $full_dir . $filepath . "_4096p_converted.mp4";

            $video_file_full_path       = $full_dir . $_POST['video-location'];

            $shell     = shell_exec("$ffmpeg_b -y -i $video_file_full_path -i /home/user/public_html/watermark.png -filter_complex 'overlay=10:10' -vcodec libx264 -preset {$pt->config->convert_speed} -filter:v scale=426:-2 -crf 26 $video_output_full_path_240 2>&1");
            $upload_s3 = PT_UploadToS3($filepath . "_240p_converted.mp4");
            $db->where('id', $insert);
            $db->update(T_VIDEOS, array(
                'converted' => 1,
                '240p' => 1,
                'video_location' => $filepath . "_240p_converted.mp4"
            ));

            if ($video_res >= 640 || $video_res == 0) {
                $shell   = shell_exec("$ffmpeg_b -y -i $video_file_full_path -i /home/user/public_html/watermark.png -filter_complex 'overlay=10:10' -vcodec libx264 -preset {$pt->config->convert_speed} -filter:v scale=640:-2 -crf 26 $video_output_full_path_360 2>&1");
                $upload_s3                  = PT_UploadToS3($filepath . "_360p_converted.mp4");
                $db->where('id', $insert);
                $db->update(T_VIDEOS, array(
                    '360p' => 1,
                ));
            }

            if ($video_res >= 854 || $video_res == 0) {
                $shell     = shell_exec("$ffmpeg_b -y -i $video_file_full_path -i /home/user/public_html/watermark.png -filter_complex 'overlay=10:10' -vcodec libx264 -preset {$pt->config->convert_speed} -filter:v scale=854:-2 -crf 26 $video_output_full_path_480 2>&1");
                $upload_s3 = PT_UploadToS3($filepath . "_480p_converted.mp4");
                $db->where('id', $insert);
                $db->update(T_VIDEOS, array(
                    '480p' => 1
                ));
            }

            if ($video_res >= 1280 || $video_res == 0) {
                $shell     = shell_exec("$ffmpeg_b -y -i $video_file_full_path -i /home/user/public_html/watermark.png -filter_complex 'overlay=10:10' -vcodec libx264 -preset {$pt->config->convert_speed} -filter:v scale=1280:-2 -crf 26 $video_output_full_path_720 2>&1");
                $upload_s3 = PT_UploadToS3($filepath . "_720p_converted.mp4");
                $db->where('id', $insert);
                $db->update(T_VIDEOS, array(
                    '720p' => 1
                ));
            }

            if ($video_res >= 1920 || $video_res == 0) {
                $shell     = shell_exec("$ffmpeg_b -y -i $video_file_full_path -i /home/user/public_html/watermark.png -filter_complex 'overlay=10:10' -vcodec libx264 -preset {$pt->config->convert_speed} -filter:v scale=1920:-2 -crf 26 $video_output_full_path_1080 2>&1");
                $upload_s3 = PT_UploadToS3($filepath . "_1080p_converted.mp4");
                $db->where('id', $insert);
                $db->update(T_VIDEOS, array(
                    '1080p' => 1
                ));
            }

            if ($video_res >= 2048) {
                $shell     = shell_exec("$ffmpeg_b -y -i $video_file_full_path -i /home/user/public_html/watermark.png -filter_complex 'overlay=10:10' -vcodec libx264 -preset {$pt->config->convert_speed} -filter:v scale=2048:-2 -crf 26 $video_output_full_path_2048 2>&1");
                $upload_s3 = PT_UploadToS3($filepath . "_2048p_converted.mp4");
                $db->where('id', $insert);
                $db->update(T_VIDEOS, array(
                    '2048p' => 1
                ));
            }

            if ($video_res >= 3840) {
                $shell     = shell_exec("$ffmpeg_b -y -i $video_file_full_path -i /home/user/public_html/watermark.png -filter_complex 'overlay=10:10' -vcodec libx264 -preset {$pt->config->convert_speed} -filter:v scale=3840:-2 -crf 26 $video_output_full_path_4096 2>&1");
                $upload_s3 = PT_UploadToS3($filepath . "_4096p_converted.mp4");
                $db->where('id', $insert);
                $db->update(T_VIDEOS, array(
                    '4096p' => 1
                ));
            }


            if (file_exists($_POST['video-location'])) {
                unlink($_POST['video-location']);
            }

            if (!empty($_SESSION['uploads']['images'])) {
                if (is_array($_SESSION['uploads']['images'])) {
                    foreach ($_SESSION['uploads']['images'] as $key => $file) {
                        if ($thumbnail == $file) {
                            unset($_SESSION['uploads']['images'][$key]);
                        } else {
                            //@unlink($file);
                        }
                    }
                    $_SESSION['uploads']['images'] = array();
                }
            }

            pt_push_channel_notifiations($video_id);
            $_SESSION['uploads'] = array();
            exit();
        }
    } else {
        $data = array(
            'status' => 400,
            'message' => $error_icon . $error
        );
    }
}

Edited August 27, 2018 by Chrisj

requinix · August 27, 2018

The command seems right.

If the video file wasn't created then ffmpeg probably had a problem. And it would have said something in its output. Have you looked at the $shell output from one of the failing commands for a clue?

Chrisj · August 27, 2018

Thanks for your reply/insight.

Can you direct me as to how/where I might "look at the $shell output from one of the failing commands for a clue?", please?

requinix · August 27, 2018

$shell has the output from the command. Do whatever you have to do in order to see what its value is. Perhaps by collecting all the results into an array of values that you can output later on in the script - which I say because it seems this may be called through AJAX.

Or log it somewhere. Whatever means you have at your disposal.

Chrisj · August 27, 2018

Thanks, yes that file is: ../ajax/ffmpeg-submit.php

but I don't know how to "to see what its value is"

any guidance or example will be appreciated

requinix · August 27, 2018

Okay, fine then.

error_log($shell) and check your PHP error log.

Chrisj · August 27, 2018

Thanks for that. I'm not sure how to do that. Does this look correct?

 if ($video_res >= 854 || $video_res == 0) {
error_log($shell     = shell_exec("$ffmpeg_b -y -i $video_file_full_path -i /home/user/public_html/watermark.jpg -filter_complex 'overlay=x=(main_w-overlay_w)/2:y=(main_h-overlay_h)/2' -vcodec libx264 -preset {$pt->config->convert_speed} -filter:v scale=854:-2 -crf 26 $video_output_full_path_480 2>&1"));
$upload_s3 = PT_UploadToS3($filepath . "_480p_converted.mp4");
$db->where('id', $insert);
 $db->update(T_VIDEOS, array(
'480p' => 1
 ));
}

requinix · August 28, 2018

Does it work? Are the videos are generated or not? Is there anything in your error log?

Chrisj · August 28, 2018

Thanks for your reply.

So, I added the error log code correctly?

No, videos are generated.

The last entry in the error_log file is from Aug-16.

Any additional guidance will be welcomed.

Much thanks again

requinix · August 28, 2018

Are all the video files there? All the ones you expect? And you're still getting the error message?

Exactly what and where is the message coming from? Because it's starting to sound like that isn't a message you're getting from PHP.

Chrisj · August 28, 2018

Thanks again for your reply.

No, the videos don't upload with the added part to watermark the video:

-i /home/user/public_html/watermark.png -filter_complex 'overlay=10:10'

without that, the videos upload successfully.

The Media Error shown on my original posting, appears over the video player on the web page.

It may not be a message from PHP, it may be a message from ffmpeg

Any additional help will be appreciated

requinix · August 28, 2018

No, that message is coming from the video player. I know that's where it is coming from because that's where it is coming from.

Trying to create the overlay is causing ffmpeg to not generate the video. It would have given some sort of output to explain why.

Let's try something else. Grab one of the videos that isn't working, copy the command being executed (remembering to replace variable values appropriately), and run that command manually. On your server, on your computer, wherever.

Either ffmpeg will create the video or it will give error messages.

Chrisj · August 28, 2018

Got it. Thanks again for your help

gizmola · August 29, 2018

Did you determine the problem? If so, what was it? If you are still encountering an error, let us know the error message you received when running ffmpeg from the command line.

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Help with adding watermark to uploading video - ffmpeg

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