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Add audio uploads (#11123)

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* Add audio uploads

Fix #4827

Accept uploads of OGG, WAV, FLAC, OPUS and MP3 files, and converts
them to OGG. Media attachments get a new `audio` type. In the UI,
audio uploads are displayed identically to video uploads.

* Improve code style
This commit is contained in:
Eugen Rochko 2019-06-19 23:42:38 +02:00 • committed by GitHub
parent e9a11dca19
commit f7f23b4a19
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11 changed files with 76 additions and 44 deletions
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64
app/models/media_attachment.rb
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@ -24,14 +24,16 @@
class MediaAttachment < ApplicationRecord
self.inheritance_column = nil
enum type: [:image, :gifv, :video, :unknown]
enum type: [:image, :gifv, :video, :unknown, :audio]
IMAGE_FILE_EXTENSIONS = ['.jpg', '.jpeg', '.png', '.gif', '.webp'].freeze
VIDEO_FILE_EXTENSIONS = ['.webm', '.mp4', '.m4v', '.mov'].freeze
AUDIO_FILE_EXTENSIONS = ['.ogg', '.oga', '.mp3', '.wav', '.flac', '.opus'].freeze
IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif', 'image/webp'].freeze
VIDEO_MIME_TYPES = ['video/webm', 'video/mp4', 'video/quicktime'].freeze
VIDEO_CONVERTIBLE_MIME_TYPES = ['video/webm', 'video/quicktime'].freeze
AUDIO_MIME_TYPES = ['audio/wave', 'audio/wav', 'audio/x-wav', 'audio/x-pn-wave', 'audio/ogg', 'audio/mpeg', 'audio/webm', 'audio/flac'].freeze
BLURHASH_OPTIONS = {
x_comp: 4,
@ -65,6 +67,13 @@ class MediaAttachment < ApplicationRecord
},
}.freeze
AUDIO_STYLES = {
original: {
format: 'ogg',
convert_options: {},
},
}.freeze
VIDEO_FORMAT = {
format: 'mp4',
convert_options: {
@ -83,6 +92,11 @@ class MediaAttachment < ApplicationRecord
},
}.freeze
VIDEO_CONVERTED_STYLES = {
small: VIDEO_STYLES[:small],
original: VIDEO_FORMAT,
}.freeze
IMAGE_LIMIT = 8.megabytes
VIDEO_LIMIT = 40.megabytes
@ -95,9 +109,9 @@ class MediaAttachment < ApplicationRecord
processors: ->(f) { file_processors f },
convert_options: { all: '-quality 90 -strip' }
validates_attachment_content_type :file, content_type: IMAGE_MIME_TYPES + VIDEO_MIME_TYPES
validates_attachment_size :file, less_than: IMAGE_LIMIT, unless: :video_or_gifv?
validates_attachment_size :file, less_than: VIDEO_LIMIT, if: :video_or_gifv?
validates_attachment_content_type :file, content_type: IMAGE_MIME_TYPES + VIDEO_MIME_TYPES + AUDIO_MIME_TYPES
validates_attachment_size :file, less_than: IMAGE_LIMIT, unless: :larger_media_format?
validates_attachment_size :file, less_than: VIDEO_LIMIT, if: :larger_media_format?
remotable_attachment :file, VIDEO_LIMIT
include Attachmentable
@ -120,8 +134,12 @@ class MediaAttachment < ApplicationRecord
file.blank? && remote_url.present?
end
def video_or_gifv?
video? || gifv?
def larger_media_format?
video? || gifv? || audio?
end
def audio_or_video?
audio? || video?
end
def to_param
@ -156,28 +174,24 @@ class MediaAttachment < ApplicationRecord
private
def file_styles(f)
if f.instance.file_content_type == 'image/gif'
{
small: IMAGE_STYLES[:small],
original: VIDEO_FORMAT,
}
elsif IMAGE_MIME_TYPES.include? f.instance.file_content_type
if f.instance.file_content_type == 'image/gif' || VIDEO_CONVERTIBLE_MIME_TYPES.include?(f.instance.file_content_type)
VIDEO_CONVERTED_STYLES
elsif IMAGE_MIME_TYPES.include?(f.instance.file_content_type)
IMAGE_STYLES
elsif VIDEO_CONVERTIBLE_MIME_TYPES.include?(f.instance.file_content_type)
{
small: VIDEO_STYLES[:small],
original: VIDEO_FORMAT,
}
else
elsif VIDEO_MIME_TYPES.include?(f.instance.file_content_type)
VIDEO_STYLES
else
AUDIO_STYLES
end
end
def file_processors(f)
if f.file_content_type == 'image/gif'
[:gif_transcoder, :blurhash_transcoder]
elsif VIDEO_MIME_TYPES.include? f.file_content_type
elsif VIDEO_MIME_TYPES.include?(f.file_content_type)
[:video_transcoder, :blurhash_transcoder]
elsif AUDIO_MIME_TYPES.include?(f.file_content_type)
[:transcoder]
else
[:lazy_thumbnail, :blurhash_transcoder]
end
@ -202,7 +216,15 @@ class MediaAttachment < ApplicationRecord
end
def set_type_and_extension
self.type = VIDEO_MIME_TYPES.include?(file_content_type) ? :video : :image
self.type = begin
if VIDEO_MIME_TYPES.include?(file_content_type)
:video
elsif AUDIO_MIME_TYPES.include?(file_content_type)
:audio
else
:image
end
end
end
def set_meta
@ -245,7 +267,7 @@ class MediaAttachment < ApplicationRecord
frame_rate: movie.frame_rate,
duration: movie.duration,
bitrate: movie.bitrate,
}
}.compact
end
def reset_parent_cache