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GStreamer Base Plugins 0.10 Plugins Reference Manual | ![]() |
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typedef GstDecodeBin2;
"autoplug-continue" : Run Last "autoplug-sort" : Run Last "new-decoded-pad" : Run Last "removed-decoded-pad" : Run Last "unknown-type" : Run Last
GstBin that auto-magically constructs a decoding pipeline using available decoders and demuxers via auto-plugging.
At this stage, decodebin2 is considered UNSTABLE. The API provided in the signals is expected to change in the near future.
To try out decodebin2, you can set the USE_DECODEBIN2 environment variable (USE_DECODEBIN2=1 for example). This will cause playbin to use decodebin2 instead of the older decodebin for its internal auto-plugging.
plugin | decodebin2 |
author | Edward Hervey <edward@fluendo.com> |
class | Generic/Bin/Decoder |
name | sink |
direction | sink |
presence | always |
details | ANY |
name | src%d |
direction | source |
presence | sometimes |
details | ANY |
gboolean user_function (GstDecodeBin2 *pad, GstCaps *caps, gpointer user_data) : Run Last
This signal is emitted whenever decodebin2 finds a new stream. It is emitted before looking for any elements that can handle that stream.
pad : |
The GstPad. |
caps : |
The GstCaps found. |
user_data : |
user data set when the signal handler was connected. |
Returns : | TRUE if you wish decodebin2 to look for elements that can
handle the given caps . If FALSE, those caps will be considered as
final and the pad will be exposed as such (see 'new-decoded-pad'
signal).
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gboolean user_function (GstDecodeBin2 *gstdecodebin2, GstCaps *arg1, gpointer arg2, gpointer user_data) : Run Last
gstdecodebin2 : |
the object which received the signal. |
arg1 : |
|
arg2 : |
|
user_data : |
user data set when the signal handler was connected. |
Returns : |
void user_function (GstDecodeBin2 *pad, GstPad *islast, gboolean arg2, gpointer user_data) : Run Last
This signal gets emitted as soon as a new pad of the same type as one of the valid 'raw' types is added.
pad : |
the newly created pad |
islast : |
TRUE if this is the last pad to be added. Deprecated. |
user_data : |
user data set when the signal handler was connected. |
void user_function (GstDecodeBin2 *pad, GstPad *arg1, gpointer user_data) : Run Last
This signal is emitted when a 'final' caps pad has been removed.
pad : |
the pad that was removed |
user_data : |
user data set when the signal handler was connected. |
void user_function (GstDecodeBin2 *pad, GstPad *caps, GstCaps *arg2, gpointer user_data) : Run Last
This signal is emitted when a pad for which there is no further possible decoding is added to the decodebin.
pad : |
the new pad containing caps that cannot be resolved to a 'final' stream type. |
caps : |
the GstCaps of the pad that cannot be resolved. |
user_data : |
user data set when the signal handler was connected. |