diff options
Diffstat (limited to 'activestorage/lib/active_storage/previewer/video_previewer.rb')
-rw-r--r-- | activestorage/lib/active_storage/previewer/video_previewer.rb | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/activestorage/lib/active_storage/previewer/video_previewer.rb b/activestorage/lib/active_storage/previewer/video_previewer.rb new file mode 100644 index 0000000000..2f28a3d341 --- /dev/null +++ b/activestorage/lib/active_storage/previewer/video_previewer.rb @@ -0,0 +1,27 @@ +# frozen_string_literal: true + +module ActiveStorage + class Previewer::VideoPreviewer < Previewer + def self.accept?(blob) + blob.video? + end + + def preview + download_blob_to_tempfile do |input| + draw_relevant_frame_from input do |output| + yield io: output, filename: "#{blob.filename.base}.png", content_type: "image/png" + end + end + end + + private + def draw_relevant_frame_from(file, &block) + draw ffmpeg_path, "-i", file.path, "-y", "-vcodec", "png", + "-vf", "thumbnail", "-vframes", "1", "-f", "image2", "-", &block + end + + def ffmpeg_path + ActiveStorage.paths[:ffmpeg] || "ffmpeg" + end + end +end |