From 605484079d297d1ba6835628465be81f03c052ee Mon Sep 17 00:00:00 2001 From: George Claghorn Date: Sun, 22 Oct 2017 13:16:59 -0400 Subject: Extract metadata from images and videos --- activestorage/lib/active_storage/previewer/video_previewer.rb | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'activestorage/lib/active_storage/previewer/video_previewer.rb') diff --git a/activestorage/lib/active_storage/previewer/video_previewer.rb b/activestorage/lib/active_storage/previewer/video_previewer.rb index 840d87f100..49f128d142 100644 --- a/activestorage/lib/active_storage/previewer/video_previewer.rb +++ b/activestorage/lib/active_storage/previewer/video_previewer.rb @@ -7,11 +7,17 @@ module ActiveStorage end def preview - open do |input| - draw "ffmpeg", "-i", input.path, "-y", "-vcodec", "png", "-vf", "thumbnail", "-vframes", "1", "-f", "image2", "-" do |output| + 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", "-i", file.path, "-y", "-vcodec", "png", + "-vf", "thumbnail", "-vframes", "1", "-f", "image2", "-", &block + end end end -- cgit v1.2.3