- Add dummy GL texture support to allow libobs texture references to be
created for GL without
- Add a texture_getobj function to allow the retrieval of the
context-specific object, such as the D3D texture pointer, or the
OpenGL texture object handle.
- Also cleaned up the export stuff. I realized it was all totally
superfluous. Kind of a dumb moment, but nice to clean it up
regardless.
Also, rename atomic functions to be consistent with the rest of the
platform/threading functions, and move atomic functions to threading*
files rather than platform* files
- Implement OBS encoder interface. It was previously incomplete, but
now is reaching some level of completion, though probably should
still be considered preliminary.
I had originally implemented it so that encoders only have a 'reset'
function to reset their parameters, but I felt that having both a
'start' and 'stop' function would be useful.
Encoders are now assigned to a specific video/audio media output each
rather than implicitely assigned to the main obs video/audio
contexts. This allows separate encoder contexts that aren't
necessarily assigned to the main video/audio context (which is useful
for things such as recording specific sources). Will probably have
to do this for regular obs outputs as well.
When creating an encoder, you must now explicitely state whether that
encoder is an audio or video encoder.
Audio and video can optionally be automatically converted depending
on what the encoder specifies.
When something 'attaches' to an encoder, the first attachment starts
the encoder, and the encoder automatically attaches to the media
output context associated with it. Subsequent attachments won't have
the same effect, they will just start receiving the same encoder data
when the next keyframe plays (along with SEI if any). When detaching
from the encoder, the last detachment will fully stop the encoder and
detach the encoder from the media output context associated with the
encoder.
SEI must actually be exported separately; because new encoder
attachments may not always be at the beginning of the stream, the
first keyframe they get must have that SEI data in it. If the
encoder has SEI data, it needs only add one small function to simply
query that SEI data, and then that data will be handled automatically
by libobs for all subsequent encoder attachments.
- Implement x264 encoder plugin, move x264 files to separate plugin to
separate necessary dependencies.
- Change video/audio frame output structures to not use const
qualifiers to prevent issues with non-const function usage elsewhere.
This was an issue when writing the x264 encoder, as the x264 encoder
expects non-const frame data.
Change stagesurf_map to return a non-const data type to prevent this
as well.
- Change full range parameter of video scaler to be an enum rather than
boolean
- Implement windows monitor capture (code is so much cleaner than in
OBS1). Will implement duplication capture later
- Add GDI texture support to d3d11 graphics library
- Fix precision issue with sleep timing, you have to call
timeBeginPeriod otherwise windows sleep will be totally erratic.
- Changed glMapBuffer to glMapBufferRange to allow invalidation. Using
just glMapBuffer alone was causing some unacceptable stalls.
- Changed dynamic buffers from GL_DYNAMIC_WRITE to GL_STREAM_WRITE
because I had misunderstood the OpenGL specification
- Added _OPENGL and _D3D11 builtin preprocessor macros to effects to
allow special processing if needed
- Added fmod support to shaders (NOTE: D3D and GL do not function
identically with negative numbers when using this. Positive numbers
however function identically)
- Created a planar conversion shader that converts from packed YUV to
planar 420 right on the GPU without any CPU processing. Reduces
required GPU download size to approximately 37.5% of its normal rate
as well. GPU usage down by 10 entire percentage points despite the
extra required pass.
Staging surfaces with GL originally copied to a texture and then
downloaded that copied texture, but I realized that there was really no
real need to do that. Now instead they'll copy directly from the
texture that's given to them rather than copying to a buffer first.
Secondly, hopefully fix the mac issue where the only way to perform an
asynchronous texture download is via FBOs and glReadPixels. It's a
really dumb issue with macs and the amount of "gotchas" and non-standard
internal GL functionaly on mac is really annoying.
There were a *lot* of warnings, managed to remove most of them.
Also, put warning flags before C_FLAGS and CXX_FLAGS, rather than after,
as -Wall -Wextra was overwriting flags that came before it.
- Fill in the rest of the FFmpeg test output code for testing so it
actually properly outputs data.
- Improve the main video subsystem to be a bit more optimal and
automatically output I420 or NV12 if needed.
- Fix audio subsystem insertation and byte calculation. Now it will
seamlessly insert new audio data in to the audio stream based upon
its timestamp value. (Be extremely cautious when using floating
point calculations for important things like this, and always round
your values and check your values)
- Use 32 byte alignment in case of future optimizations and export a
function to get the current alignment.
- Make os_sleepto_ns return true if slept, false if the time has
already been passed before the call.
- Fix sinewave output so that it actually properly calculates a middle
C sinewave.
- Change the use of row_bytes to linesize (also makes it a bit more
consistent with FFmpeg's naming as well)
- Add planar audio support. FFmpeg and libav use planar audio for many
encoders, so it was somewhat necessary to add support in libobs
itself.
- Improve/adjust FFmpeg test output plugin. The exports were somewhat
messed up (making me rethink how exports should be done). Not yet
functional; it handles video properly, but it still does not handle
audio properly.
- Improve planar video code. The planar video code was not properly
accounting for row sizes for each plane. Specifying row sizes for
each plane has now been added. This will also make it more compatible
with FFmpeg/libav.
- Fixed a bug where callbacks wouldn't create properly in audio-io and
video-io code.
- Implement 'blogva' function to allow for va_list usage with libobs
logging.
I've branched well off of upstream glloadgen since they don't appear to be very active in between GL versions.
1) Changed how the address finder functions are set to be more sane.
2) Added *all* possible extensions. For the lulz.
3) Fixed a retarded bug in IsVersionGEQ.
4) Slapped myself for not seeing IsVersionGEQ bug earlier. Most important change.
- Implement texture scaling/conversion/downloading for the main view so
we can finally start getting data to output.
Also, redesign how it works a bit, it will now properly wait one full
frame for each step in the process: rendering the main texture,
scaling the main texture to an output texture, staging/downloading the
ouput texture, and then outputting that staged data. This way, the
GPU will have more than enough time to fully complete each step.
- Fix a bug with OpenGL plugin's texture staging function. Was using
glBindBuffer instead of what should have been used: glBindTexture.
- Change the naming scheme of the variables in default.effect. It's now
named with the idea of just "color matrix" in mind instead of "yuv
matrix", and instead of DrawRGBToYUV, it's now just DrawMatrix.
For one, I added a new member gs_window for future use.
The member is "display" which represents our connection to X11.
Ideally, we should use this specific connection to deal with our Window.
For now, it's disabled. Read comment for more information.
Secondly, wxGTK apparently doesn't map our window in some cases.
This causes the window ID passed to be bad and will stop (or segfault)
our program. This might be related to the first commit above.
For now, all this commit does is realize the window manually.
- Check the actual debug extension instead of checking GL 4.0 support;
it appears that despite having GL 4.0 support, AMD does not implement
the standard debug extensions even when the *_CONTEXT_DEBUG_BIT_ARB
flag is set on the context.
- Also, fixed a place where spaces where used for indents instead of a
tab.
- Removed the dependency on windows.h for windows. I feel it's an
unnecessarily large dependency to have to add to all source files
when the only thing that's needed to make the windows version compile
the debug functions is just the __stdcall call convention keyword.
On top of increasing compile time due to the large number of headers
it includes from all the windows API headers, it also adds a lot of
potential name conflicts, as I was getting a number of name conflicts
for lots of names like near/far, which were used in old legacy 16bit
windows code.
1. We no longer hardcode a 3.2 profile. It chooses the latest profile that fits out description.
2. I added three tables and macros to help with the offsets compared to the variables to help reading. Read comments for more info.
3. I added glewExperimental being set. What a dumb "feature". It doesn't help anything...
I added gl-x11 which allows compatibility with X11 (Xlib-based) and GLX.
I also added various functions to handle file finding based on FHS.
Various changes to autotools to both install files correctly and to configure correctly.
In particular, it removes any deprecated functionality
wxWidgets only documents their deprecated m4 macros and gives a poor example
Also to note in regard to wxWidgets, I removed any unneeded libraries from the linker line.
Any warning messages provided by autoconf has been supressed in the most appropriate manner possible.
Zachary Lund
BtbN
jp9000
Palana
Ján Mlynek
Peter SZTANOJEV