Commit graph

301 commits

Author SHA1 Message Date
Wim Taymans
070f7c4e1c buffer:fix debug category 2012-07-05 11:19:16 +02:00
Wim Taymans
3b16efa1d1 miniobject: add lock functionality to GstMiniObject
Move the locking methods from GstMemory to GstMiniObject.
Add a miniobject flag to enable LOCKABLE objects. LOCKABLE objects can
use the lock/unlock API to control the access to the object.
Add a minobject flag that allows you to lock an object in readonly mode.
Modify the _is_writable() method to check the shared counter for LOCKABLE
objects. This allows us to control writability separately from the refcount for
LOCKABLE objects.
2012-07-05 11:19:16 +02:00
Wim Taymans
703683f51b buffer: fix resize
Correctly update the exclusive locks
2012-07-05 11:19:16 +02:00
Wim Taymans
76b30712f5 buffer: lock memory EXCLUSIVE
lock the memory that the buffer references as EXCLUSIVE. This makes sure that
when we share the memory with other buffers that it becomes unwritable.
2012-07-05 11:19:15 +02:00
Wim Taymans
db65bfa129 buffer: fix the _get_mapped function
Fix the internal _get_mapped function. gst_memory_make_mapped() takes ownership
of the memory so we need to keep an additional ref until we are done.
2012-07-03 12:42:44 +02:00
Wim Taymans
2c88afb992 buffer: add more debug log 2012-07-03 12:42:44 +02:00
Wim Taymans
4c6228224f buffer: add _append_region function
Make a gst_buffer_append_region() function that allows you to append a memory
region from one buffer to another. This is a more general version of
gst_buffer_append().
2012-06-28 11:02:19 +02:00
Tim-Philipp Müller
1be934f0dd miniobjects: pass copy, dispose and free function to gst_mini_object_init()
So mini objects don't have to poke into the GstMiniObject part
of the structure. Saves lines of code, and seems slightly cleaner.
We don't have proper OO hierarchies or methods here after all.
2012-06-23 20:02:02 +01:00
Evan Nemerson
b70aefdb85 introspection: add missing return value annotations 2012-06-19 17:33:45 -07:00
Wim Taymans
2cab15c9f6 docs: improve API docs 2012-06-15 12:57:24 +02:00
Wim Taymans
12aefaa078 miniobject: remove the size field
The size field is used by subclasses to store the total allocated size of the
memory for this miniobject. Because miniobject doesn't really do anything with
this field we can move it to the subclasses.
2012-06-14 17:11:11 +02:00
Wim Taymans
a1c5b00e72 memory: make GstMemory a miniobject 2012-06-14 16:34:28 +02:00
Wim Taymans
6fae137027 meta: add LOCKED flag
Add a new LOCKED flag to the metadata. Refuse removing LOCKED metadata from
a buffer.
Mark the metadata from the bufferpool LOCKED.
Add unit test for LOCKED flag
2012-04-17 15:55:10 +02:00
Wim Taymans
2503dcddfb buffer: improve debug 2012-04-14 10:23:49 +02:00
Wim Taymans
82c92a9c7c buffer: improve arg checking
Allow idx == 0 and length == -1 on empty buffers for the _range methods.
2012-04-12 11:53:00 +02:00
Sreerenj Balachandran
fd2ebb5365 buffer: Clean up header files 2012-04-11 09:53:45 +02:00
Alessandro Decina
e603d08e87 gstbuffer: fix compile warning 2012-04-05 09:07:18 +02:00
Wim Taymans
8428d3e295 buffer: make get_sizes and _resize with ranges
Make the _get_sizes and _resize methods work on a range of memory to make them
more powerfull.
2012-04-04 09:33:13 +02:00
Wim Taymans
f3aad8b430 buffer: reuse more code 2012-04-01 12:02:40 +02:00
Wim Taymans
0e9241cfc6 buffer: make function to find memory in a buffer
Make a function to find the memory blocks for a region in a buffer.
2012-04-01 12:02:40 +02:00
Wim Taymans
113b9dc535 buffer: add peek_memory method
Add a peerk_memory method that simply fetches the memory at an offset without
refcounting or merging.
2012-03-31 17:10:35 +02:00
Wim Taymans
38b96e6c8c buffer: improve the buffer memory methods
gst_buffer_take_memory -> gst_buffer_insert_memory because insert is what the
method does.
Make all methods deal with ranges so that we can replace, merge, remove and map
a certain subset of the memory in a buffer. With the new methods we can make
some code nicer and reuse more code. Being able to deal with a subset of the
buffer memory allows us to optimize more cases later (most notably RTP headers
and payload that could be in different memory objects).
Make some more convenient macros that call the more generic range methods.
2012-03-30 18:15:24 +02:00
Edward Hervey
31ca9f9216 gstbuffer: Fix unitialized variable
gcc 4.5 complains otherwise :(
2012-03-29 15:18:33 +02:00
Wim Taymans
9aa9751938 review some docs 2012-03-28 18:12:23 +02:00
Wim Taymans
3e6238135d buffer: simplify and refactor _span and _merge
Unify the _span and _merge code paths and simplify now that we only use this
internally.
2012-03-28 16:48:51 +02:00
Wim Taymans
315e77bf81 buffer: we always call _span with the buffer size 2012-03-28 16:48:51 +02:00
Wim Taymans
127074986c buffer: move some code around 2012-03-28 16:48:51 +02:00
Wim Taymans
8fc290a27f buffer: we call _span always with 0 offset 2012-03-28 16:48:51 +02:00
Wim Taymans
a4c861a4d3 buffer: remove always FALSE function argument 2012-03-28 16:48:50 +02:00
Mark Nauwelaerts
1af261169c buffer: delay buffer unref until buffer no longer needed 2012-03-28 16:39:54 +02:00
Wim Taymans
bb876588ac buffer: unify buffer merge methods
Add gst_buffer_append() which appends the memory blocks from one buffer to
another. Remove the old inefficient _merge() and _join() methods which forced a
premature memcpy in most cases.
Remove the _is_span() and _span() methods they are not needed anymore now that
we can _append(). Merging and spanning will be delayed until mapping or maybe
not at all when the element can deal with the different memory blocks.
2012-03-28 12:51:58 +02:00
Wim Taymans
a137002ef1 buffer: re-enable _span offset calculations
when we _span two complete buffers, we can copy offsets and timestamps.
2012-03-27 15:16:55 +02:00
Wim Taymans
8ff7a0978d buffer: add more _is_writable checks
Add some checks to assert on writability for functions that modify metadata.
2012-03-27 14:59:06 +02:00
Wim Taymans
7bcc3baf64 buffer: improve gst_buffer_new_wrapped_full()
Make it possible to wrap all kinds of memory by exposing all properties to
gst_buffer_new_wrapped_full(). This makes it possible to also create writable
memory without a free function or memory with extra padding.
2012-03-20 10:20:29 +01:00
Wim Taymans
85c9543841 memory: group allocation parameters in a struct
Group the extra allocation parameters in a GstAllocationParams structure to make
it easier to deal with them and so that we can extend them later if needed.
Make gst_buffer_new_allocate() take the GstAllocationParams for added
functionality.
Add boxed type for GstAllocationParams.
2012-03-15 13:42:17 +01:00
Wim Taymans
edd2ffe4d4 memory: Add 0 padding
Change gst_allocator_alloc() so that we can also spicify flags and padding.
Add 2 new flags to mark the memory 0 prefixed/padded. This allows us to
remove some resizes in the base classes.
When allocating memory, memset prefix and padding with 0 when the flags tell
us to.
On resize, clear the zero padding flags if we can't guarantee the memory is
still 0 filled.
Update tests.
2012-03-14 21:32:22 +01:00
Wim Taymans
6ffba69d65 buffer: small optimizations
shortcut heavy work when buffer_resize does nothing.
Avoid an extra _ref when mapping a buffer.
Add some G_LIKELY.
2012-03-09 16:14:02 +01:00
Wim Taymans
5cd35d6386 meta: add boolean to signal a region copy
Add a boolean to the metadata copy transform that signals if a only a
region is copied.
2012-03-02 12:45:23 +01:00
Wim Taymans
e80296cf46 meta: split registration of API and implementation
Split out the registration of the metadata API and its implementation. Make a
GType for each metadata API. This allows us to store extra information with the
API type such as the tags.
Change the buffer API so that we can get the metadata using the API GType.
Change the query API so that we use the metadata API GType in the allocation
query instead of a string.
Update netaddress and unit tests
2012-02-29 17:37:09 +01:00
Wim Taymans
6b22a63f1b meta: flesh out the metadata transform
Flesh out the transform method. Add a type and extra info to the transform
function so that implementation can transform the metadata.
Remove the copy function and replace with the more generic transform.
2012-02-24 10:28:56 +01:00
Wim Taymans
7b0e4f27fb memory: make _new_wrapped take user_data and notify
Make it possible to configure a GDestroyNotify and user_data for
gst_memory_new_wrapped() this allows for more flexible wrapping of foreign
memory blocks.
2012-02-22 02:10:21 +01:00
Wim Taymans
c6a1bed1ad memory: more work on refcount and writability
Rename _is_writable() with _is_exclusive because the writability does not depend
on the amount of references to the memory object anymore.
Add accessor macros for the memory flags.
Rename the GstBuffer _peek_memory() method to _get_memory() and return a
reference to the memory now that we can do this without affecting writability
of the memory object. Make it possible to also make this function merge the
buffer memory.
Add methods to replace memory in a buffer. Make some convience macros for the
buffer memory functions.
Fix unit tests.
2012-02-13 18:04:03 +01:00
Wim Taymans
a46f0862cd gst: improve debugging 2012-02-06 09:46:47 +01:00
Wim Taymans
d8c12ceb2b memory: add some performce debug info
Add some PERFORMANCE debug lines where we copy and do other suboptimal things.
2012-02-02 12:07:28 +01:00
Wim Taymans
af2fc026fc memory: make the allocator refcounted
Add refcounting to the GstAllocator object.
Remove const from functions because the allocator is refcounted now.
Rename the vmethods for consistency
Expose the constructor for GstAllocator and add a destroy notify for the
user_data. This should make it possible to create allocators that are not
registered and shared globally along with the possibility to destroy them
properly.
Update defs with new symbols.
2012-01-30 13:20:36 +01:00
Wim Taymans
93074b899c memory: add method to create mapped memory
Add a method to create a GstMemory with the desired mapping. Makes a copy of the
memory if it is currently in use.
2012-01-25 11:54:23 +01:00
Wim Taymans
a521252845 Add new GstMapInfo
Use a structure to hold info about the mapping. The application then keeps track
of this state and we can use it to unmap the memory again later.
2012-01-25 11:54:23 +01:00
Wim Taymans
a1d7bd02e4 memory improvements
Make the memory object simply manage the data pointer and the maxsize and move
the offset and size handling to common functionality.
Use the READONLY flag to set a readonly lock.
Remove the data and size fields from the unmap method. We need an explicit
resize operation instead of using the unmap function.
Make internal helper lock and unlock functions.
Update unit test and users of the old API.
2012-01-19 12:51:41 +01:00
Wim Taymans
c96d5a330c memory: make writability check into a method
Use a method to check for writability instead of a macro so that we can change
the implementation more easily.
2012-01-16 15:57:35 +01:00
Wim Taymans
0ca5115722 buffer: improve docs 2012-01-16 12:24:20 +01:00