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docs: fix typo in stream selection docs

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https://bugzilla.gnome.org//show_bug.cgi?id=770428
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Wonchul Lee 2016-08-26 16:21:30 +09:00 committed by Tim-Philipp Müller
parent 3cba95ca2a
commit c7e8b062e3
1 changed files with 11 additions and 11 deletions
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22
docs/design/part-stream-selection.txt
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@ -134,7 +134,7 @@ Use case examples:
example in demuxers). example in demuxers).
Elements that create GstStream should also set it on the Elements that create GstStream should also set it on the
GST_EVENT_STREAM_START event of the relevent pad. This helps GST_EVENT_STREAM_START event of the relevant pad. This helps
downstream elements to have all information in one location. downstream elements to have all information in one location.
@ -187,7 +187,7 @@ Use case examples:
available within a bin/pipeline. available within a bin/pipeline.
Once posted on the bus, a GstStreamCollection is immutable. It is Once posted on the bus, a GstStreamCollection is immutable. It is
updated by subsquent messages with a matching identifier. updated by subsequent messages with a matching identifier.
If the element that provided the collection goes away, there is no way If the element that provided the collection goes away, there is no way
to know that the streams are no longer valid (without having the to know that the streams are no longer valid (without having the
@ -286,11 +286,11 @@ Use case examples:
The application can select the streams it wants by creating a The application can select the streams it wants by creating a
GST_EVENT_SELECT_STREAMS event with the list of stream-id of the GST_EVENT_SELECT_STREAMS event with the list of stream-id of the
streams it wants. That event is then sent on the pipeline, streams it wants. That event is then sent on the pipeline,
eventually travelling all the way upstream from each sink. eventually traveling all the way upstream from each sink.
In some cases, selecting one stream may trigger the availability of In some cases, selecting one stream may trigger the availability of
other dependent streams, resulting in new GstStreamCollection other dependent streams, resulting in new GstStreamCollection
messages. This can happen in the case where chosing a different DVB messages. This can happen in the case where choosing a different DVB
channel would create a new single-program collection. channel would create a new single-program collection.
@ -345,7 +345,7 @@ Use case examples:
work only with packetized and properly timestamped streams. work only with packetized and properly timestamped streams.
Note that the whole typefinding of streams, and optional depayloading, Note that the whole typefinding of streams, and optional depayloading,
demuxing and parsing is done in a new 'parsebin' element. demuxing and parsing are done in a new 'parsebin' element.
Just like the current implementation, demuxers will expose all Just like the current implementation, demuxers will expose all
streams present within a program as source pads. They will connect streams present within a program as source pads. They will connect
@ -441,7 +441,7 @@ Use case examples:
each type if the GST_EVENT_SELECT_STREAM event specifies that. This each type if the GST_EVENT_SELECT_STREAM event specifies that. This
allows covering more use-case than the simple playback one. allows covering more use-case than the simple playback one.
Such examples could be : Such examples could be :
* Wanting just a video stream or just a audio stream * Wanting just a video stream or just an audio stream
* Wanting all decoded streams * Wanting all decoded streams
* Wanting all audio streams * Wanting all audio streams
... ...
@ -528,8 +528,8 @@ Use case examples:
Assuming the case of a mpeg-ts stream which contains multiple Assuming the case of a mpeg-ts stream which contains multiple
programs. programs.
There would be three "levels" of collection: There would be three "levels" of collection:
1) The collection of programs present in the stream 1) The collection of programs presents in the stream
2) The collection of elementary streams present in a stream 2) The collection of elementary streams presents in a stream
3) The collection of streams decodebin can expose 3) The collection of streams decodebin can expose
Initially tsdemux exposes the first program present (default) Initially tsdemux exposes the first program present (default)
@ -540,7 +540,7 @@ Use case examples:
[ upstream:nil ] \-----[ upstream:Programs] \----[ upstream:BBC1 ] [ upstream:nil ] \-----[ upstream:Programs] \----[ upstream:BBC1 ]
[ ] [ ] [ ] [ ] [ ] [ ]
[ "BBC1" (C) ] [ id:"bbcvideo"(V) ] [ id:"bbcvideo"(V)] [ "BBC1" (C) ] [ id:"bbcvideo"(V) ] [ id:"bbcvideo"(V)]
[ "ITV" (C) ] [ id:"bbcaudio"(A) ] [ id:"bbcvideo"(A)] [ "ITV" (C) ] [ id:"bbcaudio"(A) ] [ id:"bbcaudio"(A)]
[ "NBC" (C) ] [ ] [ ] [ "NBC" (C) ] [ ] [ ]
At some point the user wants to switch to ITV (of which we do not At some point the user wants to switch to ITV (of which we do not
@ -551,7 +551,7 @@ Use case examples:
2) tsdemux publishes a new 'Collection 2a/ITV' and marks 'Collection 2/BBC' 2) tsdemux publishes a new 'Collection 2a/ITV' and marks 'Collection 2/BBC'
as replaced. as replaced.
2a) App may send a SELECT_STREAMS event configuring which demuxer output 2a) App may send a SELECT_STREAMS event configuring which demuxer output
streams should selected (parsed) streams should be selected (parsed)
3) tsdemux adds/removes pads as needed (flushing pads as it removes them?) 3) tsdemux adds/removes pads as needed (flushing pads as it removes them?)
4) Decodebin feeds new pad streams through existing parsers/decoders as 4) Decodebin feeds new pad streams through existing parsers/decoders as
needed. As data from the new collection arrives out each decoder, needed. As data from the new collection arrives out each decoder,
@ -569,7 +569,7 @@ Use case examples:
[ upstream:nil ] \-----[ upstream:Programs] \----[ upstream:ITV ] [ upstream:nil ] \-----[ upstream:Programs] \----[ upstream:ITV ]
[ ] [ ] [ ] [ ] [ ] [ ]
[ "BBC1" (C) ] [ id:"itvvideo"(V) ] [ id:"itvvideo"(V)] [ "BBC1" (C) ] [ id:"itvvideo"(V) ] [ id:"itvvideo"(V)]
[ "ITV" (C) ] [ id:"itvaudio"(A) ] [ id:"itvvideo"(A)] [ "ITV" (C) ] [ id:"itvaudio"(A) ] [ id:"itvaudio"(A)]
[ "NBC" (C) ] [ ] [ ] [ "NBC" (C) ] [ ] [ ]
6.0 TODO 6.0 TODO