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author | George Claghorn <george.claghorn@gmail.com> | 2017-10-22 13:16:59 -0400 |
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committer | GitHub <noreply@github.com> | 2017-10-22 13:16:59 -0400 |
commit | 605484079d297d1ba6835628465be81f03c052ee (patch) | |
tree | e4e32f5e47f4bf48cb9eb9fc8d80c7da268ae262 /activestorage/lib/active_storage/previewer/video_previewer.rb | |
parent | 6525e7fb2e534a6564438008f9c02cf29eb37483 (diff) | |
download | rails-605484079d297d1ba6835628465be81f03c052ee.tar.gz rails-605484079d297d1ba6835628465be81f03c052ee.tar.bz2 rails-605484079d297d1ba6835628465be81f03c052ee.zip |
Extract metadata from images and videos
Diffstat (limited to 'activestorage/lib/active_storage/previewer/video_previewer.rb')
-rw-r--r-- | activestorage/lib/active_storage/previewer/video_previewer.rb | 10 |
1 files changed, 8 insertions, 2 deletions
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 |