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Help with adding watermark to uploading video - ffmpeg


Chrisj
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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 by Chrisj
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$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.

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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
 ));
}

 

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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

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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.

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