mirror of
https://github.com/amiaopensource/ffmprovisr.git
synced 2025-01-13 12:07:09 +01:00
HTML cleanup
before new release
This commit is contained in:
Reto Kromer
GitHub
parent
d08cf349f6
commit
d334d7b4de
34
index.html
34
index.html
@ -500,7 +500,7 @@
|
||||
<div class="modal-content">
|
||||
<div class="well">
|
||||
<h3>Deinterlace a video</h3>
|
||||
<p> <code>ffmpeg -i <i>input_file</i> -c:v libx264 -vf "yadif,format=yuv420p" <i>output_file</i></code> </p>
|
||||
<p><code>ffmpeg -i <i>input_file</i> -c:v libx264 -vf "yadif,format=yuv420p" <i>output_file</i></code></p>
|
||||
<p>This command takes an interlaced input file and outputs a deinterlaced H.264 MP4.</p>
|
||||
<dl>
|
||||
<dt>ffmpeg</dt><dd>starts the command</dd>
|
||||
@ -541,7 +541,7 @@
|
||||
<div class="well">
|
||||
<h3>Transcode video to a different colourspace</h3>
|
||||
<p>This command uses a filter to convert the video to a different colour space.</p>
|
||||
<p> <code>ffmpeg -i <i>input_file</i> -c:v libx264 -vf colormatrix=src:dst <i>output_file</i></code> </p>
|
||||
<p><code>ffmpeg -i <i>input_file</i> -c:v libx264 -vf colormatrix=src:dst <i>output_file</i></code></p>
|
||||
<dl>
|
||||
<dt>ffmpeg</dt><dd>starts the command</dd>
|
||||
<dt>-i <i>input file</i></dt><dd>path, name and extension of the input file</dd>
|
||||
@ -554,7 +554,7 @@
|
||||
<p><b>Note</b>: Converting between colourspaces with ffmpeg can be done via either the <b>colormatrix</b> or <b>colorspace</b> filters, with colorspace allowing finer control (individual setting of colourspace, transfer characteristics, primaries, range, pixel format, etc). See <a href="https://trac.ffmpeg.org/wiki/colorspace" target="_blank">this</a> entry on the ffmpeg wiki, and the ffmpeg documentation for <a href="http://ffmpeg.org/ffmpeg-filters.html#colormatrix" target="_blank">colormatrix</a> and <a href="http://ffmpeg.org/ffmpeg-filters.html#colorspace" target="_blank">colorspace</a>.</p>
|
||||
<hr>
|
||||
<h4>Convert colourspace and embed colourspace metadata</h4>
|
||||
<p> <code>ffmpeg -i <i>input_file</i> -c:v libx264 -vf colormatrix=src:dst -color_primaries <i>val</i> -color_trc <i>val</i> -colorspace <i>val</i> <i>output_file</i></code> </p>
|
||||
<p><code>ffmpeg -i <i>input_file</i> -c:v libx264 -vf colormatrix=src:dst -color_primaries <i>val</i> -color_trc <i>val</i> -colorspace <i>val</i> <i>output_file</i></code></p>
|
||||
<dl>
|
||||
<dt>ffmpeg</dt><dd>starts the command</dd>
|
||||
<dt>-i <i>input file</i></dt><dd>path, name and extension of the input file</dd>
|
||||
@ -570,11 +570,11 @@
|
||||
</dl>
|
||||
<h5>Examples</h5>
|
||||
<p>To Rec.601 (525-line/NTSC):</p>
|
||||
<p> <code>ffmpeg -i <i>input_file</i> -c:v libx264 -vf colormatrix=bt709:smpte170m -color_primaries smpte170m -color_trc smpte170m -colorspace smpte170m <i>output_file</i></code> </p>
|
||||
<p><code>ffmpeg -i <i>input_file</i> -c:v libx264 -vf colormatrix=bt709:smpte170m -color_primaries smpte170m -color_trc smpte170m -colorspace smpte170m <i>output_file</i></code></p>
|
||||
<p>To Rec.601 (625-line/PAL):</p>
|
||||
<p> <code>ffmpeg -i <i>input_file</i> -c:v libx264 -vf colormatrix=bt709:bt470bg -color_primaries bt470bg -color_trc gamma28 -colorspace bt470bg <i>output_file</i></code> </p>
|
||||
<p><code>ffmpeg -i <i>input_file</i> -c:v libx264 -vf colormatrix=bt709:bt470bg -color_primaries bt470bg -color_trc gamma28 -colorspace bt470bg <i>output_file</i></code></p>
|
||||
<p>To Rec.709:</p>
|
||||
<p> <code>ffmpeg -i <i>input_file</i> -c:v libx264 -vf colormatrix=bt601:bt709 -color_primaries bt709 -color_trc bt709 -colorspace bt709 <i>output_file</i></code> </p>
|
||||
<p><code>ffmpeg -i <i>input_file</i> -c:v libx264 -vf colormatrix=bt601:bt709 -color_primaries bt709 -color_trc bt709 -colorspace bt709 <i>output_file</i></code></p>
|
||||
<p>MediaInfo output examples:</p>
|
||||
<img src="./img/colourspace_metadata_mediainfo.png" alt="MediaInfo screenshots of colourspace metadata"><br>
|
||||
<p><span class="beware">⚠</span> Using this command it is possible to add Rec.709 tags to a file that is actually Rec.601 (etc), so apply with caution!</p>
|
||||
@ -610,7 +610,7 @@
|
||||
<a href="https://ffmpeg.org/ffmpeg-filters.html#decimate-1">Decimate</a> deletes duplicated frames.</dd>
|
||||
<dt><i>output file</i></dt><dd>path, name and extension of the output file</dd>
|
||||
</dl>
|
||||
<p> <code>"fieldmatch,yadif,decimate"</code> is an ffmpeg <a href="https://trac.ffmpeg.org/wiki/FilteringGuide#FiltergraphChainFilterrelationship" target="_blank">filtergraph</a>. Here the filtergraph is made up of one filter chain, which is itself made up of the three filters (separated by commas).<br>
|
||||
<p><code>"fieldmatch,yadif,decimate"</code> is an ffmpeg <a href="https://trac.ffmpeg.org/wiki/FilteringGuide#FiltergraphChainFilterrelationship" target="_blank">filtergraph</a>. Here the filtergraph is made up of one filter chain, which is itself made up of the three filters (separated by commas).<br>
|
||||
The enclosing quote marks are necessary when you use spaces within the filtergraph, e.g. <code>-vf "fieldmatch, yadif, decimate"</code>, and are included above as an example of good practice.</p>
|
||||
<p>Note that if applying an inverse telecine procedure to a 29.97i file, the output framerate will actually be 23.976fps.</p>
|
||||
<p>This command can also be used to restore other framerates.</p>
|
||||
@ -717,10 +717,6 @@
|
||||
<dt>fontcolor=white</dt><dd>specifies font color as white</dd>
|
||||
<dt>"</dt><dd>quotation mark to close filter command</dd>
|
||||
</dl>
|
||||
<div class="sample-image">
|
||||
<!-- <h4>Example of filter output</h4> -->
|
||||
<!-- <img src="" alt="ocr example"> -->
|
||||
</div>
|
||||
<p class="link"></p>
|
||||
</div>
|
||||
</div>
|
||||
@ -744,10 +740,6 @@
|
||||
<dt>-f lavfi</dt><dd>tells ffmpeg to use the <a href="http://ffmpeg.org/ffmpeg-devices.html#lavfi" target="_blank">Libavfilter input virtual device</a></dd>
|
||||
<dt>-i "movie=<i>input_file</i>,ocr"</dt><dd>declares 'movie' as <i>input_file</i> and passes in the 'ocr' command</dd>
|
||||
</dl>
|
||||
<div class="sample-image">
|
||||
<!-- <h4>Example of filter output</h4> -->
|
||||
<!-- <img src="" alt="Exports OCR example"> -->
|
||||
</div>
|
||||
<p class="link"></p>
|
||||
</div>
|
||||
</div>
|
||||
@ -844,8 +836,7 @@
|
||||
</dl>
|
||||
<p>The second command has a slightly different filtergraph, which breaks down as follows:</p>
|
||||
<dl>
|
||||
<dt>-filter_complex "[0:v]fps=10,scale=500:-1:flags=lanczos[v],[v][1:v]paletteuse"</dt><dd>
|
||||
<code>[0:v]fps=10,scale=500:-1:flags=lanczos[v]</code>: applies the fps and scale filters described above to the first input file (the video).<br>
|
||||
<dt>-filter_complex "[0:v]fps=10,scale=500:-1:flags=lanczos[v],[v][1:v]paletteuse"</dt><dd><code>[0:v]fps=10,scale=500:-1:flags=lanczos[v]</code>: applies the fps and scale filters described above to the first input file (the video).<br>
|
||||
<code>[v][1:v]paletteuse"</code>: applies the <code>paletteuse</code> filter, setting the second input file (the palette) as the reference file.</dd>
|
||||
</dl>
|
||||
<p>Simpler GIF creation</p>
|
||||
@ -1198,13 +1189,11 @@ foreach ($file in $inputfiles) {
|
||||
<h3>Create MD5 checksums (audio samples)</h3>
|
||||
<p><code>ffmpeg -i <i>input_file</i> -filter_complex "asetnsamples=<i>n=48000</i>" -f framemd5 -vn <i>output_file</i></code></p>
|
||||
<p>This will create an MD5 checksum for each group of 48000 audio samples.<br> The number of samples per group can be set arbitrarily, but it's good practice to match the samplerate of the media file (so you will get one checksum per second).</p>
|
||||
<p>
|
||||
Examples for other samplerates:<br>
|
||||
<p>Examples for other samplerates:</p>
|
||||
<ul>
|
||||
<li>44.1 kHz: "asetnsamples=n=44100"</li>
|
||||
<li>96 kHz: "asetnsamples=n=96000"</li>
|
||||
</ul>
|
||||
</p>
|
||||
<dl>
|
||||
<dt>ffmpeg</dt><dd>starts the command</dd>
|
||||
<dt>-i <i>input_file</i></dt><dd>path, name and extension of the input file</dd>
|
||||
@ -1277,13 +1266,12 @@ foreach ($file in $inputfiles) {
|
||||
<div class="well">
|
||||
<h3>Check video file interlacement patterns</h3>
|
||||
<p><code>ffmpeg -i <i>input file</i> -filter:v idet -f null -</code></p>
|
||||
<p></p>
|
||||
<dl>
|
||||
<dt>ffmpeg</dt><dd>starts the command</dd>
|
||||
<dt>-i <i>input_file</i></dt><dd>path, name and extension of the input file</dd>
|
||||
<dt>-filter:v idet</dt><dd>This calls the <a href="https://ffmpeg.org/ffmpeg-filters.html#idet" target="_blank">idet (detect video interlacing type) filter</a>.</dd>
|
||||
<dt>-f null</dt><dd>Video is decoded with the <code>null</code> muxer. This allows video decoding without creating an output file.</dd>
|
||||
<dt>-</dt><dd>FFmpeg syntax requires a specified output, and <code>-</code> is just a place holder. No file is actually created. </dd>
|
||||
<dt>-</dt><dd>FFmpeg syntax requires a specified output, and <code>-</code> is just a place holder. No file is actually created.</dd>
|
||||
</dl>
|
||||
<p class="link"></p>
|
||||
</div>
|
||||
@ -1960,7 +1948,6 @@ e.g.: <code>ffmpeg -f concat -safe 0 -i mylist.txt -c copy <i>output_file</i></c
|
||||
|
||||
</div><!-- closes the well -->
|
||||
|
||||
|
||||
<div class="well">
|
||||
<h4>Repair</h4>
|
||||
|
||||
@ -1988,6 +1975,7 @@ e.g.: <code>ffmpeg -f concat -safe 0 -i mylist.txt -c copy <i>output_file</i></c
|
||||
<!-- ends Fix A/V async 1 -->
|
||||
</div><!-- closes the well -->
|
||||
|
||||
|
||||
<!-- sample example -->
|
||||
<!-- <span data-toggle="modal" data-target="#*****unique name*****"><button type="button" class="btn btn-default" data-toggle="tooltip" data-placement="bottom" title="*****Hover-over description*****">*****Small title****</button></span>
|
||||
Change the above data-target field, the hover-over description, the button text, and the below div ID
|
||||
|
||||
Loading…
Reference in New Issue
Block a user