pandora/static/js/pandora/uploadDialog.js

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JavaScript
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// vim: et:ts=4:sw=4:sts=4:ft=javascript
'use strict';
pandora.ui.uploadDialog = function(data) {
var cancelled = false,
file,
hasFirefogg = !(typeof Firefogg == 'undefined'),
selectFile,
$actionButton,
$closeButton,
$content = Ox.Element().css({margin: '16px'}),
$info = $('<div>').css({padding: '4px'})
.html(Ox._('Please select the video file you want to upload.')),
$progress,
$status = $('<div>').css({padding: '4px', paddingTop: '8px'}),
that = Ox.Dialog({
buttons: [
$closeButton = Ox.Button({
id: 'close',
title: Ox._('Close')
}).css({
float: 'left'
}).bindEvent({
click: function() {
if ($closeButton.options('title') == Ox._('Cancel')) {
cancelled = true;
pandora.firefogg && pandora.firefogg.cancel();
pandora.$ui.upload && pandora.$ui.upload.abort();
$closeButton.options('title', Ox._('Close'));
$actionButton.show();
} else {
that.triggerEvent('close');
}
}
}),
$actionButton = hasFirefogg ? Ox.Button({
id: 'action',
title: Ox._('Select Video')
}).bindEvent({
click: function() {
if ($actionButton.options('title') == Ox._('Select Video')) {
if (selectVideo()) {
$actionButton.options('title', Ox._('Upload'));
}
} else if ($actionButton.options('title') == Ox._('Cancel')) {
cancelled = true;
pandora.firefogg && pandora.firefogg.cancel();
pandora.$ui.upload && pandora.$ui.upload.abort();
$actionButton.options('title', Ox._('Select Video'));
$closeButton.show();
} else {
$closeButton.options('title', Ox._('Cancel'));
$actionButton.hide().options('title', Ox._('Select Video'));
encode();
}
}
}) : Ox.FileButton({
id: 'action',
title: Ox._('Select Video'),
maxFiles: 1,
width: 96
}).bindEvent({
click: function(data) {
if(data.files.length) {
$actionButton.hide();
$closeButton.options('title', Ox._('Cancel'));
upload(data.files[0]);
}
}
})
],
content: $content,
height: 128,
removeOnClose: true,
width: 368,
title: Ox._('Upload Video'),
})
.bindEvent({
close: function(data) {
if (pandora.firefogg) {
pandora.firefogg.cancel();
delete pandora.firefogg;
}
that.close();
}
});
if (!pandora.site.itemRequiresVideo && !pandora.user.ui.item) {
$info.html(Ox._(
'You can only upload a video to an existing {0}.'
+ ' Please check if an entry for the {0}'
+ ' you want to upload exists and create otherwise.',
[pandora.site.itemName.singular.toLowerCase()]
));
$actionButton.hide();
}
$content.append($info);
$content.append($status);
function aspectratio(ratio) {
var denominator, numerator;
ratio = ratio.split(':');
numerator = ratio[0];
if (ratio.length == 2) {
denominator = ratio[1];
}
if (Math.abs(numerator / denominator - 4/3) < 0.03) {
numerator = 4;
denominator = 3;
} else if (Math.abs(numerator / denominator - 16/9) < 0.02) {
numerator = 16;
denominator = 9;
}
return {
denominator: denominator,
'float': numerator / denominator,
numerator: numerator,
ratio: numerator + ':' + denominator
};
}
function resetProgress(status) {
$progress = Ox.Progressbar({
progress: 0,
showPercent: true,
showTime: true,
width: 304
});
$status.html(status || '').append($progress);
}
function encode() {
var filename = pandora.firefogg.sourceFilename,
info = JSON.parse(pandora.firefogg.sourceInfo),
item,
oshash = info.oshash;
$info.html('<b>' + filename + '</b><br>' + Ox._('encoding...'));
resetProgress();
pandora.api.addMedia({
filename: filename,
id: oshash,
info: info,
item: pandora.site.itemRequiresVideo ? undefined : pandora.user.ui.item
}, function(result) {
item = result.data.item;
pandora.firefogg.encode(
getEncodingOptions(info),
function(result, file) {
result = JSON.parse(result);
if (result.progress != 1) {
$status.html(cancelled ? Ox._('Encoding cancelled.') : Ox._('Encoding failed.'));
delete pandora.firefogg;
return;
}
setTimeout(function() {
$info.html('<b>' + filename + '</b><br>' + Ox._('uploading...'));
uploadStream(item, oshash, file);
});
},
function(progress) {
progress = JSON.parse(progress).progress || 0;
$progress.options({progress: progress});
}
);
});
}
function uploadStream(item, oshash, file) {
var format = pandora.site.video.formats[0],
resolution = Ox.max(pandora.site.video.resolutions);
pandora.$ui.upload = pandora.chunkupload({
file: file,
url: '/api/upload/?profile=' + resolution + 'p.' + format + '&id=' + oshash,
data: {}
}).bindEvent({
done: function(data) {
if (data.progress == 1) {
Ox.Request.clearCache();
if (pandora.user.ui.item == item && pandora.user.ui.itemView == 'media') {
pandora.$ui.item.reload();
} else {
pandora.UI.set({
item: item,
itemView: 'media'
});
}
delete pandora.firefogg;
that.close();
} else {
$status.html(Ox._('Upload Failed.'));
pandora.api.log({
text: data.responseText,
url: '/' + item,
line: 1
});
}
},
progress: function(data) {
$progress.options({progress: data.progress || 0});
},
});
}
function upload(file) {
resetProgress();
$info.html(Ox._('Uploading {0}', [file.name]));
Ox.oshash(file, function(oshash) {
pandora.api.addMedia({
filename: file.name,
id: oshash,
item: pandora.site.itemRequiresVideo ? undefined : pandora.user.ui.item
}, function(result) {
var item = result.data.item;
pandora.$ui.upload = pandora.chunkupload({
file: file,
url: '/api/upload/direct/',
data: {
id: oshash
}
}).bindEvent({
done: function(data) {
if (data.progress == 1) {
Ox.Request.clearCache();
if (pandora.user.ui.item == item && pandora.user.ui.itemView == 'media') {
pandora.$ui.item.reload();
} else {
pandora.UI.set({
item: item,
itemView: 'media'
});
}
that.close();
} else {
$status.html(cancelled ? Ox._('Upload cancelled.') : Ox._('Upload failed.'));
!cancelled && pandora.api.log({
text: data.responseText,
url: '/' + item,
line: 1
});
}
},
progress: function(data) {
$progress.options({progress: data.progress || 0});
}
});
});
});
}
function getEncodingOptions(info) {
var bpp = 0.17,
dar,
format = pandora.site.video.formats[0],
fps,
options = {},
resolution = Ox.max(pandora.site.video.resolutions);
if (format == 'webm') {
options.videoCodec = 'vp8';
options.audioCodec = 'vorbis';
} else if (format == 'ogv') {
options.videoCodec = 'theora';
options.audioCodec = 'vorbis';
}
if (resolution == 720) {
options.height = 720;
options.samplerate = 48000;
options.audioQuality = 5;
} else if (resolution == 480) {
options.height = 480;
options.samplerate = 44100;
options.audioQuality = 3;
options.channels = 2;
} else if (resolution == 432) {
options.height = 432;
options.samplerate = 44100;
options.audioQuality = 3;
options.channels = 2;
} else if (resolution == 360) {
options.height = 320;
options.samplerate = 44100;
options.audioQuality = 1;
options.channels = 1;
} else if (resolution == 288) {
options.height = 288;
options.samplerate = 44100;
options.audioQuality = 0;
options.channels = 1;
} else if (resolution == 240) {
options.height = 240;
options.samplerate = 44100;
options.audioQuality = 0;
options.channels = 1;
} else if (resolution == 144) {
options.height = 144;
options.samplerate = 22050;
options.audioQuality = -1;
options.audioBitrate = 22;
options.channels = 1;
} else if (resolution == 96) {
options.height = 96;
options.samplerate = 22050;
options.audioQuality = -1;
options.audioBitrate = 22;
options.channels = 1;
}
if (info.video && info.video[0].display_aspect_ratio) {
dar = aspectratio(info.video[0].display_aspect_ratio);
fps = aspectratio(info.video[0].framerate).float;
options.width = parseInt(dar.float * options.height, 10);
options.width += options.width % 2;
// interlaced hdv material is detected with double framerates
if (fps == 50) {
options.framerate = 25;
} else if (fps == 60) {
options.framerate = 30;
}
if (Math.abs(options.width/options.height - dar.float) < 0.02) {
options.aspect = options.width + ':' + options.height;
} else {
options.aspect = dar.ratio;
}
options.videoBitrate = Math.round(
options.height * options.width * fps * bpp / 1000
);
options.denoise = true;
options.deinterlace = true;
} else {
options.noVideo = true;
}
if (info.audio) {
if (options.cannels && info.audio[0].channels < options.channels) {
delete options.channels;
}
} else {
options.noAudio = true;
delete options.samplerate;
delete options.audioQuality;
delete options.channels;
}
options.noUpscaling = true;
if (
(!info.video.length || (
info.video[0].codec == options.videoCodec
&& info.video[0].height <= options.height
))
&& (!info.audio.length || info.audio[0].codec == options.audioCodec)
) {
options = {passthrough: true};
}
return JSON.stringify(options);
}
function formatInfo(info) {
var html = '<b>' + info.path + '</b><br>';
if (info.video && info.video.length > 0) {
var video = info.video[0];
html += video.width + '×' + video.height + ' (' + video.codec + ')';
}
if (
info.video && info.video.length > 0
&& info.audio && info.audio.length > 0
) {
html += ' / ';
}
if (info.audio && info.audio.length > 0) {
var audio = info.audio[0];
html += {1: 'mono', 2: 'stereo', 6: '5.1'}[audio.channels]
+ ' ' + audio.samplerate / 1000 + ' kHz (' + audio.codec + ')';
}
html += '<br>' + Ox.formatValue(info.size, 'B')
+ ' / ' + Ox.formatDuration(info.duration);
return html;
}
function selectVideo() {
cancelled = false;
pandora.firefogg = new Firefogg();
pandora.firefogg.setFormat(pandora.site.video.formats[0]);
if (pandora.firefogg.selectVideo()) {
var info = JSON.parse(pandora.firefogg.sourceInfo),
options = JSON.parse(getEncodingOptions(info)),
oshash = info.oshash,
filename = pandora.firefogg.sourceFilename,
item;
pandora.api.findMedia({
query: {
conditions: [{key: 'oshash', value: oshash}]
},
keys: ['id', 'available']
}, function(result) {
if (
result.data.items.length === 0
|| !result.data.items[0].available
) {
$info.html(formatInfo(info));
$status.html(
options.passthrough
? Ox._('Your video will be uploaded directly.')
: Ox._('Your video will be transcoded before upload.')
);
} else {
pandora.api.find({
query: {
conditions: [{key: 'oshash', value: oshash}]
},
keys: ['id']
}, function(result) {
pandora.UI.set({
item: result.data.items[0].id,
itemView: 'media'
});
delete pandora.firefogg;
that.close();
});
}
});
return true;
}
return false;
}
return that;
};