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| author | George Claghorn <george.claghorn@gmail.com> | 2017-09-28 16:43:37 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-09-28 16:43:37 -0400 |
| commit | d30586211b41e018869a1a3f4e3af778a31591db (patch) | |
| tree | 664028edf779b3a6d55e08c2503cfe91e2309eff /activestorage/lib/active_storage/previewer | |
| parent | f7b4be40410432b77e0c5d114b0ce73480ff984d (diff) | |
| download | rails-d30586211b41e018869a1a3f4e3af778a31591db.tar.gz rails-d30586211b41e018869a1a3f4e3af778a31591db.tar.bz2 rails-d30586211b41e018869a1a3f4e3af778a31591db.zip | |
Preview PDFs and videos
Diffstat (limited to 'activestorage/lib/active_storage/previewer')
| -rw-r--r-- | activestorage/lib/active_storage/previewer/pdf_previewer.rb | 17 | ||||
| -rw-r--r-- | activestorage/lib/active_storage/previewer/video_previewer.rb | 17 |
2 files changed, 34 insertions, 0 deletions
diff --git a/activestorage/lib/active_storage/previewer/pdf_previewer.rb b/activestorage/lib/active_storage/previewer/pdf_previewer.rb new file mode 100644 index 0000000000..31a2a8f120 --- /dev/null +++ b/activestorage/lib/active_storage/previewer/pdf_previewer.rb @@ -0,0 +1,17 @@ +# frozen_string_literal: true + +module ActiveStorage + class Previewer::PDFPreviewer < Previewer + def self.accept?(blob) + blob.content_type == "application/pdf" + end + + def preview + open do |input| + draw "mutool", "draw", "-F", "png", "-o", "-", input.path, "1" do |output| + yield io: output, filename: "#{blob.filename.base}.png", content_type: "image/png" + end + end + end + end +end 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..840d87f100 --- /dev/null +++ b/activestorage/lib/active_storage/previewer/video_previewer.rb @@ -0,0 +1,17 @@ +# frozen_string_literal: true + +module ActiveStorage + class Previewer::VideoPreviewer < Previewer + def self.accept?(blob) + blob.video? + end + + def preview + open do |input| + draw "ffmpeg", "-i", input.path, "-y", "-vcodec", "png", "-vf", "thumbnail", "-vframes", "1", "-f", "image2", "-" do |output| + yield io: output, filename: "#{blob.filename.base}.png", content_type: "image/png" + end + end + end + end +end |