From 074167749b726f996d1eafd675aa83864e873b5e Mon Sep 17 00:00:00 2001 From: Reto Kromer Date: Sat, 28 Nov 2015 11:42:16 +0100 Subject: [PATCH 1/7] completed the update of HTML5 layout with
--> at least one issue is still open --> I'll check the content as soon as the new version is live --- index.html | 307 +++++++++++++++++++++++++---------------------------- 1 file changed, 147 insertions(+), 160 deletions(-) diff --git a/index.html b/index.html index 8f96cf1..59c0d32 100644 --- a/index.html +++ b/index.html @@ -31,7 +31,7 @@
Making FFmpeg Easier

FFmpeg is a powerful tool for manipulating audiovisual files. Unfortunately, it also has a steep learning curve, especially for users unfamiliar with a command line interface. This app helps users through the command generation process so that more people can reap the benefits of FFmpeg.

Each button displays helpful information about how to perform a wide variety of tasks using FFmpeg. To use this site, click on the task you would like to perform. A new window will open up with a sample command and a description of how that command works. You can copy this command and understand how the command works with a breakdown of each of the flags.

-

For FFmpeg basics, check out the program's official website.

+

For FFmpeg basics, check out the program’s official website.

For Bash and command line basics, try the Command Line Crash Course.

@@ -48,19 +48,14 @@ Change the above data-target field, the button text, and the below div class (th where the text goes

*****Longer title*****

- -

- ffmpeg -i [sample file path] -

- -

This is all about info! This is all about info! This is all about info! This is all about info! This is all about info! This is all about info! This is all about info! This is all about info! This is all about info! This is all about info! This is all about info! This is all about info! This is all about info! This is all about info!

- -
    -
  • ffmpeg : starts the command
    • -
  • -i : i for info dudes!
    • -
  • [sample file path] : path to sample file
    • -
- +

ffmpeg -i input_file *****code goes here***** output_file

+

This is all about info! This is all about info! This is all about info! This is all about info! This is all about info! This is all about info! This is all about info! This is all about info! This is all about info! This is all about info! This is all about info! This is all about info! This is all about info! This is all about info!

+
+
ffmpeg
starts the command
+
-i input file
path, name and extension of the input file
+
*****parameter*****
*****comments*****
+
output file
path, name and extension of the output file
+
@@ -201,14 +196,14 @@ Change the above data-target field, the button text, and the below div class (th

One thumbnail

ffmpeg -i [file path] -ss 00:00:20 -f image2 -vframes 1 thumb.png

This command will grab a thumbnail 20 seconds into the video.

- +
+
ffmpeg
starts the command
+
-i input file
path, name and extension of the input file
+
-ss 00:00:20
seeks video file to 20 seconds into the video
+
-f image2
Forces the file format. image2 is an image file demuxer.
+
-vframes 1
sets the number of frames (in this example, one frame)
+
output file
path, name and extension of the output file
+
@@ -224,40 +219,37 @@ Change the above data-target field, the button text, and the below div class (th

Many thumbnails

ffmpeg -i {path/inputfile.extension} -f image2 -vf fps=fps=1/60 out%d.png

This will grab a thumbnail every minute and output sequential png files.

- +
+
ffmpeg
starts the command
+
-i input file
path, name and extension of the input file
+
-ss 00:00:20
seeks video file to 20 seconds into the video
+
-f image2
Forces the file format. image2 is an image file demuxer.
+
-vf fps=fps=1/60
-vf is an alias for -filter:v, which creates a filtergraph to use for the streams. The rest of the command identifies filtering by frames per second, and sets the frames per second at 1/60 (which is one per minute).
+
output file
path, name and extension of the output file. In the example out%d.png where %d is a regular expression that adds a number (d is for digit) and increments with each frame (out1.png, out2.png, out3.png…).
+
- + - @@ -348,17 +338,17 @@ Change the above data-target field, the button text, and the below div class (th

Excerpt from middle

-

ffmpeg -i [input file] -ss 5 -t 5 -c copy [output]

+

ffmpeg -i input_file -ss 5 -t 10 -c:v copy -c:a copy output_file

This command captures a certain portion of a video file, starting from a designated point in the file and taking an excerpt as long as the amount of time (in seconds) specified in the script. This can be used to create a preview or clip out a desired segment. To be more specific, use timecode, such as 00:00:05.

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    -
  • ffmpeg: Calls the program ffmpeg
    • -
  • -i: Tells ffmpeg to expect input files
    • -
  • [input file]: Specifies the location of the file you want to capture a clip from
    • -
  • -ss 5: Tells ffmpeg what timecode in the file to look for to start copying, and specifies the number of seconds into the video that ffmpeg should start copying. To be more specific, you can use timecode such as 00:00:05
    • -
  • -t 5: Tells ffmpeg to stop copying from the input file after a certain time, and specifies the number of seconds after which to stop copying. In this case, 5 seconds is specified
    • -
  • -c copy: Specifies the encoder for the output file by telling ffmpeg to copy the codecs of the original file and use them for the new output file
    • -
  • [output]: Specifies the filename and location for the new file
    • -
+
+
ffmpeg
starts the command
+
-i input_file
path, name and extension of the input file
+
-ss 5
Tells ffmpeg what timecode in the file to look for to start copying, and specifies the number of seconds into the video that ffmpeg should start copying. To be more specific, you can use timecode such as 00:00:05.
+
-t 10
Tells ffmpeg to stop copying from the input file after a certain time, and specifies the number of seconds after which to stop copying. In this case, 10 seconds is specified.
+
-c:a copy
the audio codec is copied
+
-c:v copy
the video codec is copied
+
output_file
path, name and extension of the output file
+
@@ -372,17 +362,16 @@ Change the above data-target field, the button text, and the below div class (th

Excerpt to end

-

ffmpeg -i [input file] -ss 5 -c copy [output]

+

ffmpeg -i input_file -ss 5 -c:v copy -c:a copy output_file

This command copies a video file starting from a specified time, removing the first few seconds from the output. This can be used to create an excerpt, or remove unwanted content from the beginning of a video file.

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    -
  • ffmpeg: Calls the program ffmpeg
    • -
  • -i: Tells ffmpeg to expect input files
    • -
  • [input file]: Specifies the location of the file you want to capture a clip from
    • -
  • -ss 5: Tells ffmpeg what timecode in the file to look for to start copying, and specifies the number of seconds into the video that ffmpeg should start copying. To be more specific, you can use timecode such as 00:00:05
    • -
  • -t 5: Tells ffmpeg to stop copying from the input file after a certain time, and specifies the number of seconds after which to stop copying. In this case, 5 seconds is specified
    • -
  • -c copy: Specifies the encoder for the output file by telling ffmpeg to copy the codecs of the original file and use them for the new output file
    • -
  • [output]: Specifies the filename and location for the new file
    • -
+
+
ffmpeg
starts the command
+
-i input_file
path, name and extension of the input file
+
-ss 5
Tells ffmpeg what timecode in the file to look for to start copying, and specifies the number of seconds into the video that ffmpeg should start copying. To be more specific, you can use timecode such as 00:00:05.
+
-c:a copy
the audio codec is copied
+
-c:v copy
the video codec is copied
+
output_file
path, name and extension of the output file
+
@@ -396,73 +385,71 @@ Change the above data-target field, the button text, and the below div class (th

Split audio and video tracks

-

ffmpeg -i [input file] -map 0:0 [video output file] -map 0:1 [audio output file]

+

ffmpeg -i input_file -map 0:0 video_output_file -map 0:1 audio_output_file

This command splits the original input file into a video and audio stream. The -map command identifies which streams are mapped to which file. To ensure that you’re mapping the right streams to the right file, run ffprobe before writing the script to identify which stream is 0:0, which is 0:1, etc.

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    -
  • ffmpeg: calls the program
    • -
  • -i: tells ffmpeg to expect input file
    • -
  • [input file]: the file you want to split
    • -
  • -map 0:0: tells ffmpeg to grab one of the streams, and identifies the first stream (stream 0:0) to map
    • -
  • [video output file]: desired filename for the video output file
    • -
  • -map 0:1: tells ffmpeg to grab one of the streams, and identifies the second stream (stream 0:1) to map
    • -
  • [audio output file]: desired filename for the audio output file
    • -
+
+
ffmpeg
starts the command
+
-i input_file
path, name and extension of the input file
+
-map 0:0
grabs the first streams (0:0) and to map it into:
+
video_output_file
path, name and extension of the video output file
+
-map 0:1
grabs the second streams (0:1) and to map it into:
+
audio_output_file
path, name and extension of the audio output file
+
- - + + - + - + - - + + - + - +
From 1af81e332d9f273fb4031e858dcf31a56f0dc7c1 Mon Sep 17 00:00:00 2001 From: Reto Kromer Date: Sat, 28 Nov 2015 22:22:31 +0100 Subject: [PATCH 2/7] Added 4:3 to 16:9 transformation --- index.html | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/index.html b/index.html index 59c0d32..c4a1857 100644 --- a/index.html +++ b/index.html @@ -503,6 +503,27 @@ path_name_and_extension_to_the_last_file
+ + + + + From d378b91fac8306dce207839c7c6a6864cf367393 Mon Sep 17 00:00:00 2001 From: Reto Kromer Date: Sat, 28 Nov 2015 22:26:30 +0100 Subject: [PATCH 3/7] errata corrige --- index.html | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/index.html b/index.html index c4a1857..09b4196 100644 --- a/index.html +++ b/index.html @@ -505,7 +505,7 @@ path_name_and_extension_to_the_last_file -