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pbutils: Add documentation about encoding targets

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This commit is contained in:
Thibault Saunier 2016-12-21 10:02:31 -03:00
parent f4c25ae498
commit bff04a1396
2 changed files with 58 additions and 44 deletions
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57
gst-libs/gst/pbutils/encoding-profile.c
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@ -222,6 +222,63 @@
* *
* ... * ...
* ]| * ]|
*
* # Encoding Target
*
* On top of the notion of profiles, we implement the notion of EncodingTarget.
* Encoding Targets are basically a higher level of abstraction to define formats
* for specific target types. Those can define several GstEncodingProfiles with
* different names, for example one for transcoding in full HD, another one for
* low res, etc.. which are defined in the same encoding target.
*
* Basically if you wan to encode a stream to send it to, say, youtube you should
* have a Youtube encoding target defined in the "online-service" category.
*
* ## Encoding target serialization format
*
* Encoding targets are serialized in a KeyFile like files.
*
* |[
* [GStreamer Encoding Target]
* name : <name>
* category : <category>
* \description : <description> #translatable
*
* [profile-<profile1name>]
* name : <name>
* \description : <description> #optional
* format : <format>
* preset : <preset>
*
* [streamprofile-<id>]
* parent : <encodingprofile.name>[,<encodingprofile.name>..]
* \type : <type> # "audio", "video", "text"
* format : <format>
* preset : <preset>
* restriction : <restriction>
* presence : <presence>
* pass : <pass>
* variableframerate : <variableframerate>
* ]|
*
* # Location of encoding target files
*
* $GST_DATADIR/gstreamer-GST_API_VERSION/encoding-profile
* $HOME/gstreamer-GST_API_VERSION/encoding-profile
*
* There also is a GST_ENCODING_TARGET_PATH environment variable
* defining a list of folder containing encoding target files.
*
* ## Naming convention
*
* |[
* $(target.category)/$(target.name).gep
* ]|
*
* # Naming restrictions:
*
* * lowercase ASCII letter for the first character
* * Same for all other characters + numerics + hyphens
*/ */
#ifdef HAVE_CONFIG_H #ifdef HAVE_CONFIG_H

45
gst-libs/gst/pbutils/encoding-target.c
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@ -27,50 +27,7 @@
#include <string.h> #include <string.h>
#include "encoding-target.h" #include "encoding-target.h"
/* /* Documented in encoding-profile.c */
* File format
*
* GKeyFile style.
*
* [GStreamer Encoding Target]
* name : <name>
* category : <category>
* description : <description> #translatable
*
* [profile-<profile1name>]
* name : <name>
* description : <description> #optional
* format : <format>
* preset : <preset>
*
* [streamprofile-<id>]
* parent : <encodingprofile.name>[,<encodingprofile.name>..]
* type : <type> # "audio", "video", "text"
* format : <format>
* preset : <preset>
* restriction : <restriction>
* presence : <presence>
* pass : <pass>
* variableframerate : <variableframerate>
* */
/*
* Location of profile files
*
* $GST_DATADIR/gstreamer-GST_API_VERSION/encoding-profile
* $HOME/gstreamer-GST_API_VERSION/encoding-profile
*
* There also is a GST_ENCODING_TARGET_PATH environment variable
* defining a list of folder containing encoding target files.
*
* Naming convention
* $(target.category)/$(target.name).gep
*
* Naming restrictions:
* lowercase ASCII letter for the first character
* Same for all other characters + numerics + hyphens
*/
#define GST_ENCODING_TARGET_HEADER "GStreamer Encoding Target" #define GST_ENCODING_TARGET_HEADER "GStreamer Encoding Target"
#define GST_ENCODING_TARGET_DIRECTORY "encoding-profiles" #define GST_ENCODING_TARGET_DIRECTORY "encoding-profiles"