Changes between Version 22 and Version 23 of Map

Timestamp:

May 31, 2020, 11:15:19 PM (6 years ago)

Author:

llogan

Comment:

title. linked to examples in Modifiers section.

Map

@@ +1 @@
+{{{
+#!html
+<h1 style="font-size: 22px;">
+Selecting streams with the -map option
+</h1>
+}}}
+
 [[PageOutline]]
 
@@ -32 +39 @@
 == Modifiers ==
 
-* A `-` character before the `input_file_index` creates a ''negative mapping''. It disables matching streams from already created mappings.
-* A trailing `?` will allow the map to be optional: if the map matches no streams the map will be ignored instead of failing. Note the map will still fail if an invalid `input_file_index` is used; such as if the map refers to a non-existent input. 
+* A `-` character before the `input_file_index`, such as `-map -0:v`, creates a ''negative mapping''. It disables matching streams from already created mappings. See [#Everythingexceptaudio example].
+* A trailing `?`, such as `-map 1:a?`, will allow the map to be optional. If the map matches no streams the map will be ignored instead of failing. Note the mapping will still fail if an invalid `input_file_index` is used; such as if the map refers to a non-existent input. See [#Optionalmapping example].
 
 == Order ==
@@ -145 +152 @@
 You can use almost any arbitrary names to label the filter outputs.
 
-== Different outputs ==
+== Multiple outputs ==
 
 Output video to `video.mp4`. Output audio stream index !#1 (the 2nd audio stream) to `audio_1.mp3`. Output audio stream index !#3 (the 4th audio stream) to `audio_3.wav`: