mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2025-03-28 11:55:39 +00:00
Code Issues 1 Projects Releases Wiki Activity

tutorials: concepts: fix missing markup

Browse source 
Additionally: other grammar fixes & improvements
This commit is contained in:
Reynaldo H. Verdejo Pinochet 2017-05-19 16:30:39 -07:00
parent 5eceb4020d
commit 23c60cafe3
1 changed files with 11 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

22
markdown/tutorials/basic/concepts.md
View file

@ -116,10 +116,9 @@ int main(int argc, char *argv[]) {
## Walkthrough
The basic construction block of GStreamer are the elements, which
process the data as it flows *downstream* from the source elements (the
producers of data) to the sink elements (the consumers of data), passing
through filter elements.
The *elements* are GStreamer's basic construction blocks. They process
the data as it flows *downstream* from the source elements (data producers)
to the sink elements (data consumers), passing through filter elements.
![](images/figure-1.png)
@ -187,7 +186,7 @@ A pipeline is a particular type of `bin`, which is the element used to
contain other elements. Therefore all methods which apply to bins also
apply to pipelines. In our case, we call `gst_bin_add_many()` to add the
elements to the pipeline (mind the cast). This function accepts a list
of elements to be added, ending with NULL. Individual elements can be
of elements to be added, ending with `NULL`. Individual elements can be
added with `gst_bin_add()`.
These elements, however, are not linked with each other yet. For this,
@ -213,11 +212,12 @@ properties) or inquired to find out about the element's internal state
Properties are read from with `g_object_get()` and written to
with `g_object_set()`.
`g_object_set()` accepts a NULL-terminated list of property-name,
property-value pairs, so multiple properties can be changed in one go
(GStreamer elements are all a particular kind of `GObject`, which is the
entity offering property facilities: This is why the property handling
methods have the `g_` prefix).
`g_object_set()` accepts a `NULL`-terminated list of property-name,
property-value pairs, so multiple properties can be changed in one go.
GStreamer elements are all a particular kind of `GObject`, which is the
entity offering property facilities. This is why the property handling
methods have the `g_` prefix.
The line of code above changes the “pattern” property of `videotestsrc`,
which controls the type of test video the element outputs. Try different
@ -281,7 +281,7 @@ if (msg != NULL) {
`gst_bus_timed_pop_filtered()` waits for execution to end and returns
with a `GstMessage` which we previously ignored. We
asked `gst_bus_timed_pop_filtered()` to return when GStreamer
encountered either an error condition or an EOS, so we need to check
encountered either an error condition or an `EOS`, so we need to check
which one happened, and print a message on screen (Your application will
probably want to undertake more complex actions).