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Original commit message from CVS: * gst/base/Makefile.am: * gst/base/README: * gst/base/gstbasesink.c: (gst_basesink_base_init), (gst_basesink_pad_getcaps), (gst_basesink_pad_setcaps), (gst_basesink_pad_buffer_alloc), (gst_basesink_init), (gst_basesink_do_sync), (gst_basesink_chain_unlocked): * gst/base/gstbasesrc.c: (gst_basesrc_get_type), (gst_basesrc_base_init), (gst_basesrc_class_init), (gst_basesrc_init), (gst_basesrc_get_formats), (gst_basesrc_get_query_types), (gst_basesrc_query), (gst_basesrc_get_event_mask), (gst_basesrc_event_handler), (gst_basesrc_set_property), (gst_basesrc_get_property), (gst_basesrc_get_range_unlocked), (gst_basesrc_get_range), (gst_basesrc_loop), (gst_basesrc_activate), (gst_basesrc_change_state): * gst/base/gstbasesrc.h: * gst/elements/gstfakesrc.c: (gst_fakesrc_base_init), (gst_fakesrc_class_init), (gst_fakesrc_init), (gst_fakesrc_event_handler), (gst_fakesrc_set_property), (gst_fakesrc_get_property), (gst_fakesrc_create): * gst/elements/gstfakesrc.h: * gst/elements/gstfilesrc.c: (gst_filesrc_getrange), (gst_filesrc_open_file), (gst_filesrc_loop), (gst_filesrc_activate), (filesrc_find_peek), (gst_filesrc_type_find): Made base source class, make fakesrc extend it. Add comments to basesink class. Some filesrc cleanup.
35 lines
673 B
Text
35 lines
673 B
Text
Base classes
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------------
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GstBaseSink
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Base class for sink elements.
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- one sinkpad
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- handles state changes
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- does flushing
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- preroll with optional preview
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- pull/push mode
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- EOS handling
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FIXME: not much point making it operate in pull mode as a generic
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base class I guess...
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GstBaseTransform
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Base class for simple tranform filters
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- one sinkpad and one srcpad
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- formats the same on sink and source pad.
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- handles state changes
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- does flushing
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- push mode
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- pull mode if transform can operate on arbitrary data
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GstBaseSrc
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Base class for getrange based source elements
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- one sinkpad
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- handles state changes
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- pull/push mode
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