Erik Walthinsen [Tue, 12 Dec 2000 06:49:26 +0000 (06:49 +0000)]
Brand new source, the cdparanoia source. Reads audio data from a CD, writes out raw audio. The tests/paranoia.c pro...
Original commit message from CVS:
Brand new source, the cdparanoia source. Reads audio data from a CD,
writes out raw audio. The tests/paranoia.c program will simply hook this
up to a sound card. It works perfectly.
Next step is to flesh out the rest of the element, including pad caps,
better seek and playout control, signals, and whatever else comes up.
A minor patch to the editor is included here, the GstElementFactory details
struct has a name change from 'class' to 'klass' that wasn't reflected
in the elementselect widget. Fixd.
Erik Walthinsen [Mon, 11 Dec 2000 00:25:06 +0000 (00:25 +0000)]
Updated to latest code for testing scheduling.
Original commit message from CVS:
Updated to latest code for testing scheduling.
Erik Walthinsen [Mon, 11 Dec 2000 00:24:32 +0000 (00:24 +0000)]
Implemented the hybrid scheduling system for sources and connections outside the current Bin. Is a bit hackish in on...
Original commit message from CVS:
Implemented the hybrid scheduling system for sources and connections
outside the current Bin. Is a bit hackish in one place, but I'll work out
a way to make that cleaner soon. queue.c in tests now works nicely in all
cases. More to come later.
Wim Taymans [Mon, 11 Dec 2000 00:06:16 +0000 (00:06 +0000)]
Test program to check the registry handling
Original commit message from CVS:
Test program to check the registry handling
Wim Taymans [Mon, 11 Dec 2000 00:04:25 +0000 (00:04 +0000)]
First attempt at rebuilding the type/plugin system
Original commit message from CVS:
First attempt at rebuilding the type/plugin system
- make sure caps/props are saved in the registry
autoplugging is completely broken.
removed the typefactories and typeids from all the pads in the plugins
XML load/save is ok (be sure to rerun gstreamer-register)
Erik Walthinsen [Sat, 9 Dec 2000 09:13:09 +0000 (09:13 +0000)]
Snapshot of work-in-progress do deal with out-of-bin elements. Current system is very likely going to be ditched due...
Original commit message from CVS:
Snapshot of work-in-progress do deal with out-of-bin elements. Current
system is very likely going to be ditched due to its complexity and the
fact that it doesn't work right now. More than that, it's generating some
really odd results in my test program, which aren't readily explainable.
If you want to keep a working copy of your working copy (heh), don't update
until this is replaced with a hybrid approach. This approach will be the
beginning of a plan generator that can construct full hybrid schedules
given hints from various places.
Hybrid means that cothreads are used, but there are chunks of the pipeline
that are actually dealt with by chaining. This can improve speed by
reducing cothread switches (which are much cheaper than thread switches,
but still far from free, about 570 cycles on my PIII), but does carry a
complexity burden. Luckily, the structure of GStreamer allows that burden
to live entirely in create_plan. Luck? I think not ;-)
Erik Walthinsen [Fri, 8 Dec 2000 23:38:12 +0000 (23:38 +0000)]
Mostly debugging changes. What's in CVS seems to work rather well, actually.
Original commit message from CVS:
Mostly debugging changes. What's in CVS seems to work rather well, actually.
Next is the work on task 23098...
Erik Walthinsen [Fri, 8 Dec 2000 20:31:40 +0000 (20:31 +0000)]
Test program for simple queue operations. Good for testing thread/cothread interations.
Original commit message from CVS:
Test program for simple queue operations. Good for testing thread/cothread
interations.
Wim Taymans [Fri, 8 Dec 2000 18:24:16 +0000 (18:24 +0000)]
Added pullregion in again, it got removed with the previous commit.
Original commit message from CVS:
Added pullregion in again, it got removed with the previous commit.
Erik Walthinsen [Fri, 8 Dec 2000 10:33:01 +0000 (10:33 +0000)]
Another big set of changes. Connections are now also pullfunc based. gstqueue has been updated, I don't know of any ...
Original commit message from CVS:
Another big set of changes. Connections are now also pullfunc based.
gstqueue has been updated, I don't know of any other connections offhand.
There are still a few things that need doing, specifically the concept
of a source or connection with connections to multiple thread contexts is
not dealt with. This may force us to move the threadstate from the
element to the pad, maybe keeping the element's copy for simple cases.
Then the Bin would create a structure to pass to the cothreaded _wrappers
of any such elements, which would detail the pads that are to be dealt with
by this particular cothread context.
That will speed things up to, since we don't have to look through the list
of all pads for every Src or Connection element for every iteration, we can
simply step through the list provided by the plan. Special case might even
have a single pad pointer sitting there to trump the list, if there's only
one (the common case anyway).
Task 23098 is tracking these changes. The main task 22588 depends on that
subtask, as well as 22240, which is a consistency check on PAD_DISABLED.
Wim Taymans [Thu, 7 Dec 2000 18:38:54 +0000 (18:38 +0000)]
Updated the test program
Original commit message from CVS:
Updated the test program
Wim Taymans [Thu, 7 Dec 2000 18:37:56 +0000 (18:37 +0000)]
separated the properties from the capabilities as we might use the properties for metadata too.
Original commit message from CVS:
separated the properties from the capabilities as we might use the properties
for metadata too.
Wim Taymans [Wed, 6 Dec 2000 23:04:12 +0000 (23:04 +0000)]
Added pulregion handling.
Original commit message from CVS:
Added pulregion handling.
Added GstCapsListFactory in headers
Wim Taymans [Tue, 5 Dec 2000 18:08:59 +0000 (18:08 +0000)]
Fixed autoplugging.
Original commit message from CVS:
Fixed autoplugging.
Wim Taymans [Mon, 4 Dec 2000 19:24:25 +0000 (19:24 +0000)]
Added some capability options
Original commit message from CVS:
Added some capability options
Erik Walthinsen [Mon, 4 Dec 2000 10:52:30 +0000 (10:52 +0000)]
Changed the way things are scheduled, especially sources. A Src used to have a push() function, and optionally a pus...
Original commit message from CVS:
Changed the way things are scheduled, especially sources. A Src used to
have a push() function, and optionally a pushregion() to deal with async
reads, etc. That whole thing has gone away, in favor of providing a
pull() function for the output (Src) pad instead, ala chain functions.
This makes constructing cothreaded schedules out of non-loop elements
somewhat easier. Basically there was always a question as to which pad
was being dealt with. In the pullregion case, cothread-specific data was
used to try to pass the region struct to the right place, which is a slow
hack. And in general, the push function severely limited the kind of
tricks that could be played when there's more than one output pad, such as
a multi-out file reader with async capabilities on each pad independently.
This changes the way cothread scheduling occurs. Instead of the hack to
deal with Src's by calling their push() function (or optionally the
pushregion(), in certain cases), we now are working towards a general
mechanism where pads are the only thing that are dealt with directly.
An optimization was made in the process of doing this: the loopfunction
actually run as the outer [stack] frame of the cothread is now set more
intelligently in create_plan() based on what kind of element it is. We
now have:
loopfunc_wrapper: used for loop-based elements, it simply calls the
loopfunc in a loop, paying attention to COTHREAD_STOPPING (see
below). It currently does other, soon to be depracated, stuff.
pullsrc_wrapper: wraps a Src that's not loop-based (since your options
are now loop- or pull-based)
There will be a couple more to deal with other cases, such as Connections
and chain-based elements. The general idea is that it's a lot more
efficient to make the decisions once in create_plan than to keep doing
this huge if/else chain in the wrapper. Just choose the right wrapper up
front. It'll be most apparent performance-wise in the case of whichever
element context is switched to first for each iteration, since the whole
wrapper setup is done for every iteration.
The tricky part is that there is now a bit of overloading of the function
pointers in a pad. The current meanings (possibly to change a bit more
soon) are:
chainfunc: as always, chainfunc pointer is mirrored between peer pads
(this may change, and the chain func may end up in pushfunc)
pushfunc: SrcPad: gst_pad_pushfunc_proxy, cothread_switch to peer
SinkPad: none (may take over chainfunc, see below) pullfunc:
SrcPad: Src or Connection's function to construct buffers
SinkPad: gst_pad_pullfunc_proxy, cothread_switch to peer
There are a number of issues remaining with the scheduling, not the least
of which is the fact that Connections are still dealt with the old way,
with _push() functions and such. I'm trying to figure out a way to unify
the system so it makes sense. Following the scheduling system is hard
enough, trying to change it is murder.
Another useful scheduling addition, mentioned above, is COTHREAD_STOPPING.
It's an element flag that's used to signal whatever code is running in
cothread context that it should be finishing up and exiting soon. An
example of this is in plugins/cobin/spindentity.c. All the loops should
now be composed of do/while loops, rather than while(1) loops:
do {
buf = gst_pad_pull(spindentity->sinkpad);
gst_pad_push(spindentity->srcpad,buf);
} while (!GST_ELEMENT_IS_COTHREAD_STOPPING(element));
The reason for this is that COTHREAD_STOPPING may be set before the above
loop ever gets started. It wouldn't do for the body of the loop to never
once get called, that would simply stall the pipeline. Note that only the
core library code is ever responsible for setting and unsetting this flag.
All elements have to do is respond to it by cleanly exiting the loop and
the function holding it.
This is needed primarily to allow iterations to occur properly.
Basically, there's a single entry point in the cothread scheduling loop,
gst_bin_iterate_func() simply switches to this cothread. If the element
in this context is allowed to loop infinitely, nothing would even switch
back to the context from which the iterate() was originally called. This
is a bit of a problem. The solution is for there to be an implicit switch
back to the originating context. Now, even I'm not sure exactly how this
works, but if the cothread that's switched to actually returns, execution
returns back to the calling context, i.e. iterate_func().
COTHREAD_STOPPING is therefore set just before switching into this
(currently randomly chosen) context, on the assumption that it will return
promptly after finishing its duties. The burden of clearing the flag
falls to the various wrapper functions provided by the Bin code, thus
element writers don't have to worry about doing that at all (and simply
shouldn't).
Related changes:
All the sources in elements/ have been changed to reflect the new system.
FIXMEs:
1) gstpipeline.c calls gst_src_push at some point, dunno why, it's
commented out now.
2) any other sources, including vcdsrc, dvdsrc, and v4lsrc will break
badly and need to be modified to work as pull-based sources.
Erik Walthinsen [Mon, 4 Dec 2000 09:35:08 +0000 (09:35 +0000)]
Changes made to the DEBUG system. New header file gstdebug.h holds the stuff to keep it out of gst.h's hair. DEBUG ...
Original commit message from CVS:
Changes made to the DEBUG system. New header file gstdebug.h holds the
stuff to keep it out of gst.h's hair. DEBUG prints out the process id,
cothread id, source filename and line number. Two new macros DEBUG_ENTER
and DEBUG_LEAVE are used to show the entry and exit of a given function.
This eventually might be used to construct call trace graphs, even taking
cothreads into account. This would be quite useful in visualizing the
scheduling mechanism.
Minor changes to various debug messages.
Also sitting in gstdebug.h is a prototypical DEBUG_ENTER that's capable of
performing DEBUG_LEAVE automatically. It does this by utilizing a
little-known GCC extension that allows one to call a function with the
same parameters as the current function. The macro uses this to basically
call itself. A boolean is used to ensure that when it calls itself it
actually runs the body of the function. In the meantime it prints stuff
out before and after the real function, as well as constructing a
debugging string. This can be used eventually to provide call-wide data
on the DEBUG lines, instead of having to replicate data on each call to
DEBUG. More research is needed into how this would most cleanly be fit
into some other chunk of code, like GStreamer (I think of this DEBUG trick
as a separate project, sorta).
Unfortunately, the aforementioned DEBUG trick interacts quite poorly with
cothreads. Almost any time it's used in a function that has anything
remotely to do with a cothread context (as in, it runs in one), a segfault
results from the __builtin_apply call, which is the heart of the whole
thing. If someone who really knows assembly could analyze the resulting
code to see what's really going on, we might find a way to fix either the
macro or the cothreads (I'm thinking that there's something we missed in
constructing the cothreads themselves) so this works in all cases.
In the meantime, please insert both DEBUG_ENTER and DEBUG_LEAVE in your
functions. Be sure to put DEBUG_ENTER after your variable declarations
and before any functional code, not to put the function name in any DEBUG
strings (it's already there, trust me), and put a DEBUG_LEAVE if you care
enough.
Changes are going to happen in the way DEBUGs and other printouts occur,
so stay tuned.
Erik Walthinsen [Mon, 4 Dec 2000 09:32:43 +0000 (09:32 +0000)]
Added a check to see if the plugin actually exists before even bothering to try to load it. Saves a fair amount of d...
Original commit message from CVS:
Added a check to see if the plugin actually exists before even bothering
to try to load it. Saves a fair amount of debugging spew with
_gst_plugin_spew enabled.
Wim Taymans [Sun, 3 Dec 2000 20:15:24 +0000 (20:15 +0000)]
More test cases.
Original commit message from CVS:
More test cases.
Wim Taymans [Sun, 3 Dec 2000 20:15:15 +0000 (20:15 +0000)]
Implemented real Caps checking.
Original commit message from CVS:
Implemented real Caps checking.
Wim Taymans [Sun, 3 Dec 2000 17:52:14 +0000 (17:52 +0000)]
Added a test program for the capabilities
Original commit message from CVS:
Added a test program for the capabilities
Wim Taymans [Sun, 3 Dec 2000 17:51:29 +0000 (17:51 +0000)]
Added multiple types to the pads.
Original commit message from CVS:
Added multiple types to the pads.
Added first preview of the capabilities system.
Autoplugging is seriously broken with these (and other) changes.
Richard Boulton [Sun, 3 Dec 2000 15:02:24 +0000 (15:02 +0000)]
Remove cothreads.[ch] from tests/cothreads/ and replace then with a rule in the Makefile.am to generate symlinks to t...
Original commit message from CVS:
Remove cothreads.[ch] from tests/cothreads/ and replace then with a rule
in the Makefile.am to generate symlinks to the live versions of the code
in gst/ : fixes a compile error, and should keep things cleaner.
Erik Walthinsen [Sun, 3 Dec 2000 00:17:52 +0000 (00:17 +0000)]
Enhanced debugging by making DEBUG() print out the cothread ID as well as the process ID. cothread_getcurrent return...
Original commit message from CVS:
Enhanced debugging by making DEBUG() print out the cothread ID as well as
the process ID. cothread_getcurrent returns the current cothread ID, or
-1 if cothreads aren't set up in this process context.
Erik Walthinsen [Sat, 2 Dec 2000 10:07:50 +0000 (10:07 +0000)]
First pass at an outline for the Filter Writer's Guide. Mostly complete, though the structure needs some work. Just...
Original commit message from CVS:
First pass at an outline for the Filter Writer's Guide. Mostly complete,
though the structure needs some work. Just need someone to write it ;-)
Wim Taymans [Thu, 30 Nov 2000 20:30:45 +0000 (20:30 +0000)]
Another type system proposal.
Original commit message from CVS:
Another type system proposal.
Erik Walthinsen [Wed, 29 Nov 2000 10:05:47 +0000 (10:05 +0000)]
Rearranged cothread_switch a bit to move all the code for error conditions to the end, using goto's to get there. Th...
Original commit message from CVS:
Rearranged cothread_switch a bit to move all the code for error conditions
to the end, using goto's to get there. This has the presumed advantage of
consolidating all the normally run code into one chunk, reducing jumps
(and the associated penalties in any modern processor) and limiting cache-
line usage. It may be instructive to look at the generated assembly for
this revision and the previous, to see if gcc is smart enough to do this
for us anyway.
If you want to turn off some of the checks (they are all checks for NULL
pointers, if you're curious) for a speed gain, disable the #define of
COTHREAD_PARANOID at the top.
Wim Taymans [Sun, 26 Nov 2000 19:11:00 +0000 (19:11 +0000)]
Added the type system design.
Original commit message from CVS:
Added the type system design.
Wim Taymans [Sat, 25 Nov 2000 18:13:26 +0000 (18:13 +0000)]
More ramblings..
Original commit message from CVS:
More ramblings..
Wim Taymans [Sat, 25 Nov 2000 16:45:16 +0000 (16:45 +0000)]
Another alternative to the src. Please correct.
Original commit message from CVS:
Another alternative to the src. Please correct.
Wim Taymans [Sat, 25 Nov 2000 16:00:39 +0000 (16:00 +0000)]
Added asci art control flow diagrams
Original commit message from CVS:
Added asci art control flow diagrams
Wim Taymans [Sat, 25 Nov 2000 14:18:47 +0000 (14:18 +0000)]
Code Cleanups
Original commit message from CVS:
Code Cleanups
Added use cases for the source elements.
Erik Walthinsen [Sat, 25 Nov 2000 07:43:57 +0000 (07:43 +0000)]
Added code to force the gsttypes plugin to load before gstelements, by simply having gstelements.c request the plugin...
Original commit message from CVS:
Added code to force the gsttypes plugin to load before gstelements, by
simply having gstelements.c request the plugin. Solves some dependency
problems. This is the correct method of doing this for now, though I had
a thought:
Have a static list of hard dependencies that the plugin system is responsible
for satisfying before even trying to load the plugin. Makes plugin design
easier.
Erik Walthinsen [Sat, 25 Nov 2000 07:02:55 +0000 (07:02 +0000)]
added the ability to disable pads, not quite complete but sufficient for now
Original commit message from CVS:
added the ability to disable pads, not quite complete but sufficient for now
Erik Walthinsen [Fri, 24 Nov 2000 22:28:19 +0000 (22:28 +0000)]
Fixed a dumb mistake: in gst_element_set_loop_function, it was forcing the cothread's entry function to change. This ...
Original commit message from CVS:
Fixed a dumb mistake: in gst_element_set_loop_function, it was forcing
the cothread's entry function to change. This is totally wrong, the
create_plan function in GstBin is responsible for setting that to its
own internal helper function. Code removed outright...
Erik Walthinsen [Thu, 23 Nov 2000 21:49:09 +0000 (21:49 +0000)]
Closed 22145 - gstelement.c: support hotswapping of loopfunc
Original commit message from CVS:
Closed 22145 - gstelement.c: support hotswapping of loopfunc
Added a flag GST_ELEMENT_NEW_LOOPFUNC that's set when a new loopfunc is set,
which needs to be obeyed by the loopfuncs themselves. The assumption is
that only a loopfunc or an element that knows what it's doing will ever
change the loopfunc pointer, so they can be responsible for exitting
the loopfunc itself appropriately.
The loopfunc_wrapper function has been changed to call the loopfunc
pointer itself in a loop. If the loopfunc changes, the current loop is
supposed to exit, which causes the loopfunc_wrapper to start up the new
loopfunc.
Erik Walthinsen [Thu, 23 Nov 2000 20:39:54 +0000 (20:39 +0000)]
Closed task 22143 - gstelemnt.c: complete gst_element_connect
Original commit message from CVS:
Closed task 22143 - gstelemnt.c: complete gst_element_connect
SImple matter of cleaning up the conflicting checks and actually
connecting the pads in question.
Erik Walthinsen [Thu, 23 Nov 2000 08:13:43 +0000 (08:13 +0000)]
gstbin.c: modified so create_plan occurs after the state change of all the child elements.
Original commit message from CVS:
gstbin.c: modified so create_plan occurs after the state change of all the
child elements.
gstelement.c: set_state now loops such that each element only deals with
one state change at a time, i.e. NULL->READY,READY->PLAYING,
instead of a single NULL->PLAYING.
Wim Taymans [Mon, 20 Nov 2000 22:05:30 +0000 (22:05 +0000)]
Something was wrong with SSE initialisation in mpeg2dec
Original commit message from CVS:
Something was wrong with SSE initialisation in mpeg2dec
Added little performance test (compile with gprof)
Wim Taymans [Mon, 20 Nov 2000 19:04:32 +0000 (19:04 +0000)]
Reworked AC3 decoder. No seeking yet but at least we do not need ac3parse anymore.
Original commit message from CVS:
Reworked AC3 decoder. No seeking yet but at least we do not need ac3parse
anymore.
Reworked dvdsrc to read scrambled data (DeCSS not included). I have
modified DeCSS a bit to work in GStreamer. Can I release the code or is
there some lawyer that's going to sue me?
MPEG2 SSE motion compensation.
Tried to add PTS to the MPEG decoder but failed.
Wim Taymans [Sun, 12 Nov 2000 20:34:29 +0000 (20:34 +0000)]
The bonobo component now works on audio only (mp3/vorbis). Video is broken because bonobo does not handle multithread...
Original commit message from CVS:
The bonobo component now works on audio only (mp3/vorbis). Video
is broken because bonobo does not handle multithreading yet.
Added Bonobo toolbar and menu.
Wim Taymans [Sat, 11 Nov 2000 15:13:50 +0000 (15:13 +0000)]
Docs updates.
Original commit message from CVS:
Docs updates.
Added LICENSE info to headers/code where missing in gst directory
Added a bonobo wrapper for the media player (it shows up in gshell but
locks up when activating the component, anyone?)
Fixed some XML save/load problems with arguments.
Wim Taymans [Wed, 8 Nov 2000 19:53:48 +0000 (19:53 +0000)]
Fix for the new gnome libraries. It looks like glade does not like empty dockitems...
Original commit message from CVS:
Fix for the new gnome libraries. It looks like glade does not like
empty dockitems...
Wim Taymans [Tue, 7 Nov 2000 21:38:34 +0000 (21:38 +0000)]
Library docs update
Original commit message from CVS:
Library docs update
Wim Taymans [Tue, 7 Nov 2000 21:24:12 +0000 (21:24 +0000)]
I'm too lazy to comment this
Original commit message from CVS:
*** empty log message ***
Wim Taymans [Tue, 7 Nov 2000 21:18:52 +0000 (21:18 +0000)]
Updated docs
Original commit message from CVS:
Updated docs
Wim Taymans [Mon, 6 Nov 2000 00:15:51 +0000 (00:15 +0000)]
Added seeking to the avi decoder by implementing pull_region.
Original commit message from CVS:
Added seeking to the avi decoder by implementing pull_region.
Fixes to the asyncdisksrc.
Added thread specific data to the cothreads.
Wim Taymans [Sat, 4 Nov 2000 18:55:01 +0000 (18:55 +0000)]
I'm too lazy to comment this
Original commit message from CVS:
*** empty log message ***
Wim Taymans [Sat, 4 Nov 2000 18:54:07 +0000 (18:54 +0000)]
Added the excellent mpeg2dec decoder. Not 100% optimized but allready very fast.
Original commit message from CVS:
Added the excellent mpeg2dec decoder. Not 100% optimized but allready
very fast.
More cleanup.
Wim Taymans [Thu, 2 Nov 2000 20:10:08 +0000 (20:10 +0000)]
Make sure the Gdk thread lock is not held inside the gstreamer pipeline.
Original commit message from CVS:
Make sure the Gdk thread lock is not held inside the gstreamer pipeline.
Fix the videosink to not hold the Gdk lock when emitting a signal.
All Gtk GUI apps using GStreamer should now handle the Gdk locks when
handling signals from the pipeline (as it should be)
Wim Taymans [Wed, 1 Nov 2000 22:11:48 +0000 (22:11 +0000)]
Some code cleanup
Original commit message from CVS:
Some code cleanup
Let the parent GstBin decide when to do a create_plan (bin inside a thread)
Wim Taymans [Wed, 1 Nov 2000 13:49:41 +0000 (13:49 +0000)]
Code cleanup, make it adhere to the Gnome/Gtk+ code formatting, which is quite clean and more readable.
Original commit message from CVS:
Code cleanup, make it adhere to the Gnome/Gtk+ code formatting, which is
quite clean and more readable.
Renamed parseavi to avidecoder
Implemented seeking/time display/pause/play/stop/clean exit to gstmediaplay
Added an element flag to indicate that it cannot deal with noncontigous
buffers. If such an element is found in the pipeline, seeking is disabled
for the complete stream (avidecoder cannot deal with seeking until we convert
it to a loop based element with pull_region to fetch the indeces etc...)
Wim Taymans [Mon, 30 Oct 2000 21:10:35 +0000 (21:10 +0000)]
Missing files..
Original commit message from CVS:
Missing files..
Wim Taymans [Mon, 30 Oct 2000 21:02:08 +0000 (21:02 +0000)]
Misc fixes and cleanups
Original commit message from CVS:
Misc fixes and cleanups
A reworked gstplay. Now it is called gstmediaplay. gstplay is a custom
widget that can display media and is to become a bonobo component soon.
put the tables of the mpeg audio encoder in a header file.
maybe faster quantisation for the mpeg encoder.
Wim Taymans [Thu, 26 Oct 2000 19:07:27 +0000 (19:07 +0000)]
Slightly faster yuv to rgb conversion.
Original commit message from CVS:
Slightly faster yuv to rgb conversion.
Wim Taymans [Wed, 25 Oct 2000 19:09:53 +0000 (19:09 +0000)]
More Docs updates.
Original commit message from CVS:
More Docs updates.
Added plugin documentation. I fear we need a gstdoc implementation
that loads plugins and does introspection on them. I think we should
automatically create the docs for the pads and mime types the plugins
provide. Does anyone have enough perl knowledge to add these features? I
allready changed the C code to output the pad definitions but my perl
knowledge is too limited, for now, to implement the rest of the needed
functionality...
Wim Taymans [Sun, 22 Oct 2000 16:30:25 +0000 (16:30 +0000)]
More docs updates
Original commit message from CVS:
More docs updates
Wim Taymans [Sun, 22 Oct 2000 16:27:21 +0000 (16:27 +0000)]
Documentation updates documented the libraries
Original commit message from CVS:
Documentation updates
documented the libraries
Wim Taymans [Sat, 21 Oct 2000 12:04:40 +0000 (12:04 +0000)]
MPEG2 types added for better autoplugging. MPEG2 works more or less. fix in autoplugging. avi now works.
Original commit message from CVS:
MPEG2 types added for better autoplugging. MPEG2 works more or less.
fix in autoplugging. avi now works.
Wim Taymans [Thu, 12 Oct 2000 19:41:30 +0000 (19:41 +0000)]
Removed the hardcoded pipeline setup is gstplay in favor of the autoplugging features. Still in a rought shape...
Original commit message from CVS:
Removed the hardcoded pipeline setup is gstplay in favor of the
autoplugging features. Still in a rought shape...
Richard Boulton [Thu, 12 Oct 2000 08:43:03 +0000 (08:43 +0000)]
Manual now gets installed correctly by make install. Problems: clean / uninstall don't work.
Original commit message from CVS:
Manual now gets installed correctly by make install. Problems:
clean / uninstall don't work.
make dist not tested.
pdf manual doesn't have images.
Wim Taymans [Wed, 11 Oct 2000 19:30:07 +0000 (19:30 +0000)]
Added extra Gtk types for better editor properties (FILENAME, enums)
Original commit message from CVS:
Added extra Gtk types for better editor properties (FILENAME, enums)
The disksrcs location property can now be set in the editor: we can
now make our first working mp3 player with gsteditor!!
Wim Taymans [Mon, 9 Oct 2000 20:01:17 +0000 (20:01 +0000)]
Fixed a severe timestamp bug in mpeg_play.
Original commit message from CVS:
Fixed a severe timestamp bug in mpeg_play.
Create a new thread upon a multisrc element in autoplugging: the autoplug
example now correctly sets up 5 threads for an mpeg player.
Richard Boulton [Mon, 9 Oct 2000 00:34:21 +0000 (00:34 +0000)]
Added building of the manual to the build system. Currently in a rudimentary state - will not gracefully give up if ...
Original commit message from CVS:
Added building of the manual to the build system. Currently in a
rudimentary state - will not gracefully give up if tools not available,
will not uninstall / clean, and may not install / make dist properly.
Documentation does not have dependencies on images, so won't rebuild if
they're altered either.
Wim Taymans [Sun, 8 Oct 2000 22:23:12 +0000 (22:23 +0000)]
Added an autoplug example. This little program (30 relevant lines) is able to play MPEG1(system)/MPEG2(system)/AVI(DI...
Original commit message from CVS:
Added an autoplug example. This little program (30 relevant lines) is able
to play MPEG1(system)/MPEG2(system)/AVI(DIVX)/Vorbis/AC3 and whatever codec
you write.
Separated the mp3 and mpeg1 types for better reuse.
Wim Taymans [Sun, 8 Oct 2000 22:17:11 +0000 (22:17 +0000)]
Fixed a bug in the typeloading.
Original commit message from CVS:
Fixed a bug in the typeloading.
Fixes to various elements so that correct types are returned.
Fixed flag collision with GtkObject.
Elements can now suggest a thread. not sure if this is the right way to
handle automatic thread creation.
Autoplugging now works with multiple sinks and thread setup. No threads
are created for intermediate elements yet, so MPEG may still be choppy.
Richard Boulton [Fri, 6 Oct 2000 02:38:11 +0000 (02:38 +0000)]
Don't compile editor if havn't got libglade-gnome.
Original commit message from CVS:
Don't compile editor if havn't got libglade-gnome.
Wim Taymans [Sun, 1 Oct 2000 21:46:33 +0000 (21:46 +0000)]
Initial work for the new editor.
Original commit message from CVS:
Initial work for the new editor.
Wim Taymans [Wed, 27 Sep 2000 19:33:10 +0000 (19:33 +0000)]
Loading and saving of XML pipeline descriptions.
Original commit message from CVS:
Loading and saving of XML pipeline descriptions.
GladeXML like operation implemented (you can retrieve parts of a pipeline)
Wim Taymans [Sun, 24 Sep 2000 22:47:08 +0000 (22:47 +0000)]
better .cvsignore
Original commit message from CVS:
better .cvsignore
Wim Taymans [Sun, 24 Sep 2000 22:45:48 +0000 (22:45 +0000)]
Cleanups.
Original commit message from CVS:
Cleanups.
The first steps to a Glade like XML handling.
A first example of what is to come...
Wim Taymans [Sun, 24 Sep 2000 14:31:21 +0000 (14:31 +0000)]
An example of two threads and two queues.
Original commit message from CVS:
An example of two threads and two queues.
Wim Taymans [Sun, 24 Sep 2000 14:29:49 +0000 (14:29 +0000)]
The cothreads were not initialized in its thread context resulting in severe stack corruption. This was very hard to ...
Original commit message from CVS:
The cothreads were not initialized in its thread context resulting in
severe stack corruption. This was very hard to track down.
We should be able now to modify some plugins to a loop based setup so that
we can get rid of the mp3parse and mp1videoparse elements.
Modified the GList to a GSList in the queue.
Wim Taymans [Fri, 22 Sep 2000 23:35:14 +0000 (23:35 +0000)]
A first attempt to fix the queues in a cothreaded pipeline.
Original commit message from CVS:
A first attempt to fix the queues in a cothreaded pipeline.
Some fixes to the thread handling.
Fix a bug in gstreamer-config : gthread was not included.
gst_bin_create_plan() is now done in the READY state.
a bin with only another bin in it will now work with gst_bin_iterate.
Added some examples for the queues.
Richard Boulton [Thu, 21 Sep 2000 01:42:19 +0000 (01:42 +0000)]
IDCT works, and ieeetest not complains nicely if attempt to run a test with an unsupported DCT type.
Original commit message from CVS:
IDCT works, and ieeetest not complains nicely if attempt to run a test
with an unsupported DCT type.
Richard Boulton [Thu, 21 Sep 2000 01:34:34 +0000 (01:34 +0000)]
Make libs/idct only build mmx support if available - hopefully makes it compile on PPC.
Original commit message from CVS:
Make libs/idct only build mmx support if available - hopefully makes it
compile on PPC.
Richard Boulton [Thu, 21 Sep 2000 00:57:09 +0000 (00:57 +0000)]
Patch from Chris Emerson for PPC. cothreads stuff was causing segfaults, because the stack needs to be initialised w...
Original commit message from CVS:
Patch from Chris Emerson for PPC. cothreads stuff was causing segfaults,
because the stack needs to be initialised with a particular structure on
PPC, unlike x86 where it simply has items pushed or popped.
Added Chris to AUTHORS, for his trouble.
Richard Boulton [Mon, 18 Sep 2000 22:19:57 +0000 (22:19 +0000)]
Fix compile problem due to DEBUG being redefined in libs/getbits/gstgetbits.h. Also fix several small typos in the d...
Original commit message from CVS:
Fix compile problem due to DEBUG being redefined in
libs/getbits/gstgetbits.h. Also fix several small typos in the docs and
examples.
Wim Taymans [Sun, 17 Sep 2000 22:08:09 +0000 (22:08 +0000)]
Added gst_pipeline_add_sink/src to allow multiple sink cases and more complex autoplugging. Update docs too.
Original commit message from CVS:
Added gst_pipeline_add_sink/src to allow multiple sink cases and
more complex autoplugging. Update docs too.
Simplified the pipeline autoplugging code.
Changed the cothread case: One iteration is now a push from the src
element. The disk source does not change its state anymore on eof.
Better type setting for the ac3 parser/decoder and mpeg2parse.
Wim Taymans [Sun, 17 Sep 2000 14:06:18 +0000 (14:06 +0000)]
Added check for vorbis.
Original commit message from CVS:
Added check for vorbis.
Really compile with Xv extension if the library is found.
Changed the disksrc so that is goes to the PAUSE state if eof.
Wim Taymans [Sun, 17 Sep 2000 12:32:07 +0000 (12:32 +0000)]
Information about the bonobo components and capplets we are going to make :-)
Original commit message from CVS:
Information about the bonobo components and capplets we are going to make :-)
Wim Taymans [Sun, 17 Sep 2000 12:31:01 +0000 (12:31 +0000)]
Converted the mpeg2 encoder asm to gnu asm, removing the dependency of nasm
Original commit message from CVS:
Converted the mpeg2 encoder asm to gnu asm, removing the dependency of nasm
Added cpu detection in the mpeg2 encoder
removed the inlined mmx asembler to seperate files.
Richard Boulton [Sat, 16 Sep 2000 23:11:05 +0000 (23:11 +0000)]
More work porting to PPC. libs/winloader is disabled on PPC - I doubt this can be made to work.
Original commit message from CVS:
More work porting to PPC.
libs/winloader is disabled on PPC - I doubt this can be made to work.
libs/videoscale and libs/idct are also disabled - they should be fixable
though.
Sorted out most of the plugins - avi is disabled for now on PPC;
can be worked on later if there's any chance of getting it to work.
Also provide an automake conditional for compiling vorbis, based on a
configure test for the needed libraries: currently the test isn't
implemented and defaults to "no" so you'll have to fiddle it to compile
vorbis. I shall get hold of vorbis and implement an appropriate test some
other time (if noone else beats me to it).
Richard Boulton [Sat, 16 Sep 2000 22:03:24 +0000 (22:03 +0000)]
Moved generic function implementations into gstgetbits_generic.c, and tidy up a bit.
Original commit message from CVS:
Moved generic function implementations into gstgetbits_generic.c, and
tidy up a bit.
Wim Taymans [Sat, 16 Sep 2000 10:58:23 +0000 (10:58 +0000)]
Added a quick hack to allow loop based elements to finish intead of looping till infinity.
Original commit message from CVS:
Added a quick hack to allow loop based elements to finish intead of
looping till infinity.
Added compile time i386 or plain C getbits implementation selection.
The vorbis decoder now is our first loop based element!
Richard Boulton [Sat, 16 Sep 2000 00:59:12 +0000 (00:59 +0000)]
More work towards a powerPC port, and towards generic portability.
Original commit message from CVS:
More work towards a powerPC port, and towards generic portability.
Richard Boulton [Fri, 15 Sep 2000 23:04:31 +0000 (23:04 +0000)]
Fix on x86 architectures - was just checking for 386, D'oh.
Original commit message from CVS:
Fix on x86 architectures - was just checking for 386, D'oh.
Fix autogen to run autoheader _before_ autoconf, since it generates a
required file (config.h.in, which I just removed from CVS since its an
autogenerated one). Also fix messed up variables in gst/Makefile.am
Richard Boulton [Fri, 15 Sep 2000 22:44:10 +0000 (22:44 +0000)]
Begun to add support for non i386 architectures, with the help of Chris
Original commit message from CVS:
Begun to add support for non i386 architectures, with the help of Chris
Emerson. Added bits to configure to figure out architecture, and added
some alternatives for PPC. Should cause no problems on i386, but I'll
check after this commit, but doesn't yet work on PPC by a fair way...
Wim Taymans [Thu, 14 Sep 2000 22:18:43 +0000 (22:18 +0000)]
The vorbis encoder
Original commit message from CVS:
The vorbis encoder
A test program to convert an mp3 to a vorbis file.
A fix for the dynamic plugin loader factory_find was not working.
Don't forget to run gstreamer-register after installing the plugins!
Wim Taymans [Thu, 14 Sep 2000 20:31:03 +0000 (20:31 +0000)]
Due to popular demand :-), I added a vorbis decoder.
Original commit message from CVS:
Due to popular demand :-), I added a vorbis decoder.
The encoder is not yet functional.
Small cosmetic changes to gstcpu.c
Beware:
You *need* to install libvorbis.a from the main vorbis CVS.
you *have* to change the line in libtool to
deplibs_check_method="pass_all"
because else the plugin shared library refuses to link against the
static libvorbis.a library. This is a hack. I have no intention in
including libvorbis into the gstreamer CVS tree and making it
libtool compatible.
Wim Taymans [Wed, 13 Sep 2000 19:04:55 +0000 (19:04 +0000)]
Bring the low level API docs up to date.
Original commit message from CVS:
Bring the low level API docs up to date.
Wim Taymans [Tue, 12 Sep 2000 18:13:48 +0000 (18:13 +0000)]
Added CPU detection.
Original commit message from CVS:
Added CPU detection.
Added SSE optimisation to mpeg_play
Modified the mpeg2 decoder and gstidct to use cpu detection.
Cleanups in the mpeg1 and mpeg2 decoders.
Wim Taymans [Sat, 9 Sep 2000 16:40:04 +0000 (16:40 +0000)]
Images for the documantation
Original commit message from CVS:
Images for the documantation
Wim Taymans [Sat, 9 Sep 2000 16:39:03 +0000 (16:39 +0000)]
A thread example.
Original commit message from CVS:
A thread example.
An example of gstreamer-launch: an mp3 player
Wim Taymans [Sat, 9 Sep 2000 16:36:10 +0000 (16:36 +0000)]
Changes to gstreamer-config to include gtk+ libs manual changes: queues, threads, programs gsteditor does not crash a...
Original commit message from CVS:
Changes to gstreamer-config to include gtk+ libs
manual changes: queues, threads, programs
gsteditor does not crash anymore.
gstpipline new should return a GstElement *
fixed ac3dec for new getbits
fixes to gstreamer-launch
more efficient startup for gstplay.
Wim Taymans [Thu, 7 Sep 2000 20:35:15 +0000 (20:35 +0000)]
Faster and modular getbits implementation.
Original commit message from CVS:
Faster and modular getbits implementation.
Fixed a bug in the audiosink that could lock up your box on bad MB.
Modified the plugins to use the new getbits functions.
Wim Taymans [Mon, 28 Aug 2000 20:20:55 +0000 (20:20 +0000)]
Externalized the plugin information in /etc/gstreamer/reg.xml
Original commit message from CVS:
Externalized the plugin information in /etc/gstreamer/reg.xml
- no need to do a plugin_load_all()
- plugins are loaded when needed
- typedetect functions are loaded when needed (still buggy)
- no need to check for the existance of the plugin in the codecs
- added gstreamer-register to create the reg.xml file
- renamed launch to gstreamer-launch
- plugins need to register the typefactory they provide
modified the plugins to meet the new design
modified the plugins to correctly set their pad types
autoplugging can be done without loading the plugins now
Wim Taymans [Tue, 22 Aug 2000 21:18:18 +0000 (21:18 +0000)]
More docs (most of them just empty...)
Original commit message from CVS:
More docs (most of them just empty...)
Added automatic pad plugging.
Added automatic dynamic pad plugging.
Changed some codecs to correctly set their pad types.
Wim Taymans [Mon, 21 Aug 2000 21:57:40 +0000 (21:57 +0000)]
..
Original commit message from CVS:
..
Wim Taymans [Mon, 21 Aug 2000 21:23:27 +0000 (21:23 +0000)]
An example using autoplug. Works for mp3 files only for now.
Original commit message from CVS:
An example using autoplug. Works for mp3 files only for now.