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* VRFS-3177 - add spinner to playback and stop preloading all media on page

This commit is contained in:
Seth Call 2015-05-04 17:48:14 -05:00
parent 9144efb8fa
commit 4d28915381
6 changed files with 121 additions and 95 deletions
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83
admin/config/initializers/jam_track_tracks.rb
View File

@ -52,87 +52,4 @@ class JamRuby::JamTrackTrack
end
end
def generate_preview
begin
Dir.mktmpdir do |tmp_dir|
input = File.join(tmp_dir, 'in.ogg')
output = File.join(tmp_dir, 'out.ogg')
output_mp3 = File.join(tmp_dir, 'out.mp3')
start = self.preview_start_time.to_f / 1000
stop = start + 20
raise 'no track' unless self["url_44"]
s3_manager.download(self.url_by_sample_rate(44), input)
command = "sox \"#{input}\" \"#{output}\" trim #{sprintf("%.3f", start)} =#{sprintf("%.3f", stop)}"
@@log.debug("trimming using: " + command)
sox_output = `#{command}`
result_code = $?.to_i
if result_code != 0
@@log.debug("fail #{result_code}")
@preview_generate_error = "unable to execute cut command #{sox_output}"
else
# now create mp3 off of ogg preview
convert_mp3_cmd = "#{APP_CONFIG.ffmpeg_path} -i \"#{output}\" -ab 192k \"#{output_mp3}\""
@@log.debug("converting to mp3 using: " + convert_mp3_cmd)
convert_output = `#{convert_mp3_cmd}`
result_code = $?.to_i
if result_code != 0
@@log.debug("fail #{result_code}")
@preview_generate_error = "unable to execute mp3 convert command #{convert_output}"
else
ogg_digest = ::Digest::MD5.file(output)
mp3_digest = ::Digest::MD5.file(output_mp3)
self["preview_md5"] = ogg_md5 = ogg_digest.hexdigest
self["preview_mp3_md5"] = mp3_md5 = mp3_digest.hexdigest
@@log.debug("uploading ogg preview to #{self.preview_filename('ogg')}")
s3_public_manager.upload(self.preview_filename(ogg_md5, 'ogg'), output, content_type: 'audio/ogg', content_md5: ogg_digest.base64digest)
@@log.debug("uploading mp3 preview to #{self.preview_filename('mp3')}")
s3_public_manager.upload(self.preview_filename(mp3_md5, 'mp3'), output_mp3, content_type: 'audio/mpeg', content_md5: mp3_digest.base64digest)
self.skip_uploader = true
original_ogg_preview_url = self["preview_url"]
original_mp3_preview_url = self["preview_mp3_url"]
# and finally update the JamTrackTrack with the new info
self["preview_url"] = self.preview_filename(ogg_md5, 'ogg')
self["preview_length"] = File.new(output).size
# and finally update the JamTrackTrack with the new info
self["preview_mp3_url"] = self.preview_filename(mp3_md5, 'mp3')
self["preview_mp3_length"] = File.new(output_mp3).size
self.save!
# if all that worked, now delete old previews, if present
begin
s3_public_manager.delete(original_ogg_preview_url) if original_ogg_preview_url && original_ogg_preview_url != self["preview_url"]
s3_public_manager.delete(original_mp3_preview_url) if original_mp3_preview_url && original_mp3_preview_url != track["preview_mp3_url"]
rescue
puts "UNABLE TO CLEANUP OLD PREVIEW URL"
end
end
end
end
rescue Exception => e
@@log.error("error in sox command #{e.to_s}")
@preview_generate_error = e.to_s
end
end
end

85
ruby/lib/jam_ruby/models/jam_track_track.rb
View File

@ -130,6 +130,91 @@ module JamRuby
s3_public_manager.delete(self[:preview_mp3_url]) if self[:preview_mp3_url] && s3_public_manager.exists?(self[:preview_mp3_url])
end
def generate_preview
begin
Dir.mktmpdir do |tmp_dir|
input = File.join(tmp_dir, 'in.ogg')
output = File.join(tmp_dir, 'out.ogg')
output_mp3 = File.join(tmp_dir, 'out.mp3')
start = self.preview_start_time.to_f / 1000
stop = start + 20
raise 'no track' unless self["url_44"]
s3_manager.download(self.url_by_sample_rate(44), input)
command = "sox \"#{input}\" \"#{output}\" trim #{sprintf("%.3f", start)} =#{sprintf("%.3f", stop)}"
@@log.debug("trimming using: " + command)
sox_output = `#{command}`
result_code = $?.to_i
if result_code != 0
@@log.debug("fail #{result_code}")
@preview_generate_error = "unable to execute cut command #{sox_output}"
else
# now create mp3 off of ogg preview
convert_mp3_cmd = "#{APP_CONFIG.ffmpeg_path} -i \"#{output}\" -ab 192k \"#{output_mp3}\""
@@log.debug("converting to mp3 using: " + convert_mp3_cmd)
convert_output = `#{convert_mp3_cmd}`
result_code = $?.to_i
if result_code != 0
@@log.debug("fail #{result_code}")
@preview_generate_error = "unable to execute mp3 convert command #{convert_output}"
else
ogg_digest = ::Digest::MD5.file(output)
mp3_digest = ::Digest::MD5.file(output_mp3)
self["preview_md5"] = ogg_md5 = ogg_digest.hexdigest
self["preview_mp3_md5"] = mp3_md5 = mp3_digest.hexdigest
@@log.debug("uploading ogg preview to #{self.preview_filename('ogg')}")
s3_public_manager.upload(self.preview_filename(ogg_md5, 'ogg'), output, content_type: 'audio/ogg', content_md5: ogg_digest.base64digest)
@@log.debug("uploading mp3 preview to #{self.preview_filename('mp3')}")
s3_public_manager.upload(self.preview_filename(mp3_md5, 'mp3'), output_mp3, content_type: 'audio/mpeg', content_md5: mp3_digest.base64digest)
self.skip_uploader = true
original_ogg_preview_url = self["preview_url"]
original_mp3_preview_url = self["preview_mp3_url"]
# and finally update the JamTrackTrack with the new info
self["preview_url"] = self.preview_filename(ogg_md5, 'ogg')
self["preview_length"] = File.new(output).size
# and finally update the JamTrackTrack with the new info
self["preview_mp3_url"] = self.preview_filename(mp3_md5, 'mp3')
self["preview_mp3_length"] = File.new(output_mp3).size
self.save!
# if all that worked, now delete old previews, if present
begin
s3_public_manager.delete(original_ogg_preview_url) if original_ogg_preview_url && original_ogg_preview_url != self["preview_url"]
s3_public_manager.delete(original_mp3_preview_url) if original_mp3_preview_url && original_mp3_preview_url != track["preview_mp3_url"]
rescue
puts "UNABLE TO CLEANUP OLD PREVIEW URL"
end
end
end
end
rescue Exception => e
@@log.error("error in sox command #{e.to_s}")
@preview_generate_error = e.to_s
end
end
private
def normalize_position
parent = self.jam_track

1
web/app/assets/javascripts/dialog/configureTrackDialog.js
View File

@ -197,7 +197,6 @@
configureTracksHelper.reset();
voiceChatHelper.reset();
voiceChatHelper.beforeShow();
}
function afterShow() {

31
web/app/assets/javascripts/jam_track_preview.js.coffee
View File

@ -19,6 +19,7 @@ context.JK.JamTrackPreview = class JamTrackPreview
@instrumentIcon = null
@instrumentName = null
@part = null
@loading = null
template = $('#template-jam-track-preview')
throw "no jam track preview template" if not template.exists()
@ -29,6 +30,7 @@ context.JK.JamTrackPreview = class JamTrackPreview
@instrumentIcon = @root.find('.instrument-icon')
@instrumentName = @root.find('.instrument-name')
@part = @root.find('.part')
@loading = @root.find('.loading')
@playButton.on('click', @play)
@stopButton.on('click', @stop)
@ -71,16 +73,9 @@ context.JK.JamTrackPreview = class JamTrackPreview
urls = [@jamTrackTrack.preview_mp3_url]
if @jamTrackTrack.preview_ogg_url?
urls.push(@jamTrackTrack.preview_ogg_url)
@urls = urls
@no_audio = false
@root.on('remove', @onDestroyed);
@sound = new Howl({
src: urls,
autoplay: false,
loop: false,
volume: 1.0,
onend: @onHowlerEnd})
else
@no_audio = true
@ -103,6 +98,9 @@ context.JK.JamTrackPreview = class JamTrackPreview
@playButton.removeClass('hidden')
@removeNowPlaying()
onHowlerLoad: () =>
@loading.addClass('hidden')
play: (e) =>
if e?
e.stopPropagation()
@ -110,6 +108,21 @@ context.JK.JamTrackPreview = class JamTrackPreview
if @no_audio
context.JK.prodBubble(@playButton, 'There is no preview available for this track.', {}, {duration:2000})
else
unless @sound?
@root.on('remove', @onDestroyed);
@sound = new Howl({
src: @urls,
autoplay: false,
loop: false,
volume: 1.0,
preload: true,
onload: @onHowlerLoad
onend: @onHowlerEnd})
@loading.removeClass('hidden')
@logger.debug("play issued for jam track preview")
@sound.play()
for playingSound in context.JK.JamTrackPreview.nowPlaying
@ -122,7 +135,7 @@ context.JK.JamTrackPreview = class JamTrackPreview
return false
issueStop: () =>
@logger.debug("stop issued for jam track preview")
@logger.debug("pause issued for jam track preview")
@sound.pause() # stop does not actually stop in windows client
@stopButton.addClass('hidden')
@playButton.removeClass('hidden')

11
web/app/assets/stylesheets/client/jamTrackPreview.css.scss
View File

@ -2,6 +2,7 @@
.jam-track-preview {
position:relative;
display:inline-block;
line-height:24px;
vertical-align: middle;
@ -57,4 +58,14 @@
background-image: url('/assets/content/icon-pause-24-black.png');
}
}
.spinner-small {
vertical-align: middle;
top: -4px;
right: -32px;
position:absolute;
&.hidden {
display:none;
}
}
}

1
web/app/views/clients/_jam_track_preview.html.slim
View File

@ -6,3 +6,4 @@ script type="text/template" id='template-jam-track-preview'
img.instrument-icon hoveraction="instrument" data-instrument-id="" width="24" height="24"
.instrument-name
.part
.loading.spinner-small.hidden