[Query][NEED REVERT] Exclude tensor query from android build.

Exclude tensor query from android build until mqtt-hybrid is separated.
After the separation works, please revert this commit.

Signed-off-by: Gichan Jang <gichan2.jang@samsung.com>

[TEST] Add MQTT-hybrid test

Test robustness of the query pipeline.
Server 1 stops when it receivces 3 buffers and the client reconnects to server 2.

Signed-off-by: gichan <gichan2.jang@samsung.com>
Signed-off-by: Gichan Jang <gichan2.jang@samsung.com>

[Query] Add mqtt state change callback.

Add mqtt state change callback instead of uncertain sleep.

Signed-off-by: gichan <gichan2.jang@samsung.com>
Signed-off-by: Gichan Jang <gichan2.jang@samsung.com>

[Query] Add meson option.

Exclude tensor_query from nnstreamer plugins if nnsquery is not available.

Signed-off-by: gichan <gichan2.jang@samsung.com>

[QUERY] Robustness support of MQTT-hybrid

Releated issue: #3508
Robustness support of MQTT-hybrid.
If the connected server is stop, re-connect to another availabe server.

Signed-off-by: Gichan Jang <gichan2.jang@samsung.com>

[test/snpe] Add snpe unittest for uint8 input/output model

- Add a snpe model `add2_uint8.dlc` which takes
  a single uint8 value as input.
- Add a unittest with it.

Signed-off-by: Yongjoo Ahn <yongjoo1.ahn@samsung.com>

[filter/snpe] Support uint8 input/output type

- If custom prop "InputType:uint8,OutputType:uint8" is given,
  run the model as uint8 input/output type mode.

Signed-off-by: Yongjoo Ahn <yongjoo1.ahn@samsung.com>

[Build] fix build warning

Fix build warning (missing-braces, uninitialized).

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

README update: add recent papers

1. ICSE 2021 SEIP (published)
2. ICSE 2022 SEIP (submitted)

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>

[test/mqtt] Fix and add negative testcases for mqttsink's invalid prop

- Test invalid properties of mqttsink with `gst_harness_new_parse`
  instead of `g_object_set`.

Signed-off-by: Yongjoo Ahn <yongjoo1.ahn@samsung.com>

[test/mqtt] Remove a testcase which assumes no broker

- Remove a testcase which assumes no broker.
- When a broker running in the test env, it fails.

Signed-off-by: Yongjoo Ahn <yongjoo1.ahn@samsung.com>

[Gst/MQTT] Introduce the Unix epoch synchronization using NTP

This patch introduces the self-synchronization mechanism of the Unix
epoch timestamps. Note that if the 'ntp-sync' property is set to true
(which means that if this feature is enabled), the pipeline would be
stuck after a while. This is because most of the public NTP servers
restrict clients not to poll too frequently. To fix it, polling
intervals and caching mechanisms should be applied to the NPT utility
functions.

Signed-off-by: Wook Song <wook16.song@samsung.com>

[Gst/MQTT] Add utility functions to get timestamps from NTP server

This patch adds the implementation of the basic utility functions to get
timestamps from the given or public NTP servers.

Signed-off-by: Wook Song <wook16.song@samsung.com>

Start development of 2.1.0 (2.2 RC1)

This is the version marking for the 2.1.0 development start.

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>

Release of 2.0 Long-Term-Stable

This is NNStreamer 2.0 Long-Term-Stable release.

2.0's main features after 1.8 release include:
- Edge-AI capability (among-device AI) with pub/sub and query. In 2.0, this capability is an initial release without performance optimizations or feature extensions. We will eventually implement the promised optimizations and extensions with later (2.1+) versions.
- Tensor stream types updated: flexible tensors and sparse tensors are now supported. Single-tensor (other/tensor) is being obsoleted. Please use other/tensors instead.
- New H/W accelerators and AI frameworks supported
- Tensor-converter/decoder with subplugins and custom functions
- New elements: Tensor-IF, Join, Tensor-crop, Tensor-rate

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>

[Doc] Add security policy

Benefits:
    * Improve github profile
    * One of the requirements of the CII Best Practices

Signed-off-by: Taras Drozdovskyi <t.drozdovsky@samsung.com>

[build/fix] Fix meson.build to skip snpe build when it's unavailable

- Change `error` with `message` to skip snpe build when it's unavailable

Signed-off-by: Yongjoo Ahn <yongjoo1.ahn@samsung.com>

[Doc] Refactore badges in README.md

Changes are as follows:
1) Gitter - no change
2) DailyBuild - the project is successfully build
3) CII Best Practices - the project applies the best practices
4) LGTM Alerts - vulnerabilities found
5) Coverage - Test Coverage
6) Coverity - Defect Display
7) GitHub Repo Size - Repository Size
-) GitHub Issues - removed (indicated above on the page, has a negative shade)
-) GitHub Pull Requests - deleted (indicated above on the page, can be examined as not processed requests)

Signed-off-by: Taras Drozdovskyi <t.drozdovsky@samsung.com>

[Filter/openvino] fix invalid args

As mentioned in another PR, openvino subplugin calls accel function with invalid args.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[Doc] Add LGTM badge

* In accordance with the requirement of the CII Best Practices: all achievements must be specified.
* Display the LGTM current status of the project.

Signed-off-by: Taras Drozdovskyi <t.drozdovsky@samsung.com>

[test/snpe] Add unittest for SNPE subplugin

- Add unittest for SNPE subplugin.
- Add a sample model file `add2_float.dlc` for the test.
It takes a single float value and returns a single float value
with plus 2.0.

Signed-off-by: Yongjoo Ahn <yongjoo1.ahn@samsung.com>

[build/snpe] Check host_machine and fix join_paths

- Check host_machine when using SNPE SDK.
- Use `join_paths` properly`

Signed-off-by: Yongjoo Ahn <yongjoo1.ahn@samsung.com>

[armnn] compilation error - unused parameter

correction for multiple occurences of compilation error:

error: unused parameter '[parameter name]' [-Werror=unused-parameter]

Signed-off-by: Julien Vuillaumier <julien.vuillaumier@nxp.com>

[armnn] compilation error - missing initializer

correction for compilation error:

tensor_filter_armnn.cc: In function 'int armnn_open(const GstTensorFilterProperties*, void**)':
nnstreamer_plugin_api_filter.h:568:76: error: missing initializer for member 'parse_accl_args::auto_accl' [-Werror=missing-field-initializers]
    #define parse_accl_hw(...) parse_accl_hw_fill((parse_accl_args){__VA_ARGS__})
                                                                               ^
tensor_filter_armnn.cc:672:8: note: in expansion of macro 'parse_accl_hw'
    hw = parse_accl_hw (prop->accl_str, armnn_accl_support);
         ^~~~~~~~~~~~~

Signed-off-by: Julien Vuillaumier <julien.vuillaumier@nxp.com>

Final fix LGTM alerts

Final correction of alerts found by the LGTM, one of which is marked as false-positive

Signed-off-by: Taras Drozdovskyi <t.drozdovsky@samsung.com>

[Bug] Fix config from structure function

Wrong forat variable is used at L908.
If tensors format is not given, defualt format should be static.

Signed-off-by: gichan <gichan2.jang@samsung.com>

[TEST] Adjust state change timeout.

cppFilterObj.base03 test fail intermittenly on armv7l during state change to GST_STATE_PLAYING.
When measuring the state change tome, it took around 600~800ms on armv7l.
The current timeout is 1000ms, which is close to the boundary.
The test failure did not occur when repeated 1000 times.
Previously, it occurred about once in 20 times.

Signed-off-by: gichan <gichan2.jang@samsung.com>

Fix some alerts that were detected by the LGTM system

nnstream project was analyzed by the LGTM system

Signed-off-by: Taras Drozdovskyi <t.drozdovsky@samsung.com>

[build/snpe] Build snpe subplugin when the platform supports the lib

- If the build platform supports snpe lib, use it to build snpe subplugin
- Add snpe related packages in spec

Signed-off-by: Yongjoo Ahn <yongjoo1.ahn@samsung.com>

[query] Handle different framerate of clients

If data is not available in the socket, check the next socket.
So, server can hanlde different framerate of clients.

Todo:
 - Create threads for each client.

Signed-off-by: Gichan Jang <gichan2.jang@samsung.com>

[Filter/SharedModel] fix svace

Fix svace issue,
- set next node when releasing the list item
- use macro to define local lock for shared table

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[Svace] fix res leak case

Fix svace issue,
- fix invalid condition to check the args.
- possible res leak in query close function.
- condition to free strings for test models.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[Test/CodeClean] improve coverage

Update testcase to improve test coverage.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[Query] Identify client using id

currently, ip address of the client is only used to distinguish client which will receive buffers.
In this case, server cannot distinguish if more than one client with the sampe ip is connected.
So instead of ip address, changed it to use the client's unique id.

Signed-off-by: gichan <gichan2.jang@samsung.com>
Signed-off-by: Gichan Jang <gichan2.jang@samsung.com>

[Test/Sparse] add testcase for common functions

Add new testcase for sparse tensor utils.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[Sparse] change util function param

Change param - gst-memory to convert tensor data.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[Meson] feature for supported plugins

Add feature for supported plugins in meson script.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[test/py] Fix test related python sources to increase SAM score

- Refactor complex functions to increase FME score
- Total python SAM score 3.82 -> 4.66

Signed-off-by: Yongjoo Ahn <yongjoo1.ahn@samsung.com>

[tvm/test] Add negative testcase for invalid custom prop

- Add negative testcases for invalid custom props
- Add valid custom prop in the positive launch testcase.

Signed-off-by: Yongjoo Ahn <yongjoo1.ahn@samsung.com>

[Doc] Add tensor_quey README.md

Add tensor query documentation.
 - How to run examples.
 - How to run test.

Signed-off-by: Gichan Jang <gichan2.jang@samsung.com>

[lua/test] Add tc for multiple tensor types in lua filter

- Add a testcase which covers all tensor types in tensor_filter::lua
- Add a negative case of invalid data type.

Signed-off-by: Yongjoo Ahn <yongjoo1.ahn@samsung.com>

[Test] aggregator from multi clients

Add testcase - aggregator from multiple clients using query meta.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[Common/Adapter] aggregation from multi clients

Use hashtable to aggregate buffers from multiple clients.
- create gst-adapter for each client id
- for normal case, set default adaptor (no meta in gst-buffer)

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[Test/CodeClean] new testcases for coverage

Add new cases to improve test coverage and fix some minor comment.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[TEST] Add tensor query tests

Add tensor query tests.
line coverage increased from 6.6% to 77.6%.

Signed-off-by: gichan <gichan2.jang@samsung.com>
Signed-off-by: Gichan Jang <gichan2.jang@samsung.com>

[Test/Filter] testcase for filter-single

Add new testcases for tensor-filter single.
filter-single class is used only for ML single API. For coverage report, we need to run and test this class.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[tensor_sparse] Add SSAT test for tensor_sparse

- Add SSAT test for tensor_sparse_enc and tensor_sparse_dec

Signed-off-by: Yongjoo Ahn <yongjoo1.ahn@samsung.com>

[tensor_sparse] Implement tensor_sparse_enc and tensor_sparse_dec

- tensor_sparse_enc: encoding static tensors into sparse tensors
- tensor_sparse_dec: decoding sparse tensors into stsatic tensors

Signed-off-by: Yongjoo Ahn <yongjoo1.ahn@samsung.com>

[tensor_sparse] Implement util functions for sparse tensors

- Implement util functions for enc/decoding sparse tensors
- Allow sparse format caps in tensor_sink

Signed-off-by: Yongjoo Ahn <yongjoo1.ahn@samsung.com>

[Test/Py/CodeClean] reduce code complexity

Code clean, reduce complexity.
- use itertool to remove multi loops
- separate code blocks

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

Fix mutex error in nnstreamer_filter_shared_model_insert_and_get

nnstreamer_filter_shared_model_insert_and_get may return without unlocking the mutex in an exception case.
Unlock it before exiting.

[Filter/TFLite] Fix remove shared model table

Refactored common removal behavior in destructor
Added mutex and callback on removal on shared table

Signed-off-by: Junhwan Kim <jejudo.kim@samsung.com>

[Filter/TFLite] enable the shared representation

For the specific purpose, the interpreters are need to be shared.

Signed-off-by: Hyoung Joo Ahn <hello.ahn@samsung.com>

[Filter] add a hash table for shared key

[Filter] add a hash table for shared key

Signed-off-by: Hyoung Joo Ahn <hello.ahn@samsung.com>

[Filter/Common] declare extern

Declare extern to prevent warning when using filter common functions in cpp.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[query/server] Fix possible leaks in query_server_data_free

- Free remaining TensorQueryConnection in conn_queue
- Clear error in query_connect

Signed-off-by: Yongjoo Ahn <yongjoo1.ahn@samsung.com>

[Query/Sink] handle error case

Fix error case, unmap memory block when failed to send data to client.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[Query] Fix unnecessary unreference

GstBaseSink unref object after render.
So, don't need to unref out buffer.

Signed-off-by: Gichan Jang <gichan2.jang@samsung.com>

[Query] Handle tensor query meta

 - Null check of the tensor query meta
 - Copy GstMeta of the first buffer to outbuf for collect pad.
   -> Copy policy should be updated considering multiple clients.

Signed-off-by: Gichan Jang <gichan2.jang@samsung.com>

[Query] Change property type

Change port property type to unsigned int.

Signed-off-by: Gichan Jang <gichan2.jang@samsung.com>

[Filter/Sub] add event handler for filter-fw v0

Add event handler for filter framework v0 and new event to check hw availability with custom option.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[mqtt/trivial] Fix typos in mqtt related codes

- Fix some minor typos in mqtt related codes

Signed-off-by: Yongjoo Ahn <yongjoo1.ahn@samsung.com>

[Test] unittest pkg

Add test directory into unittest pkg and remove generated files.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[Test/Py/CodeClean] util functions to run test

Code clean, reduce duplicated source. Add util functions to run the unittest.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[tools/pbtxt/py] fix warning

remove global variables - it complains not to set global val.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[Test/bmp2png]: Fix -Werror errors after warnings level increase

This fixes the following error, encountered with gcc 10.2:

| ../../../../../../workspace/sources/nnstreamer/tests/bmp2png.c: In function 'save_png_to_file':
| ../../../../../../workspace/sources/nnstreamer/tests/bmp2png.c:95:16: error: variable 'status' might be clobbered by 'longjmp' or 'vfork' [-Werror=clobbered]
|    95 |   register int status = -1;
|       |                ^~~~~~
| cc1: all warnings being treated as errors

Signed-off-by: Xavier Roumegue <xavier.roumegue@nxp.com>

[Filter/Vivante] Fix -Werror after warnings level increase

This fixes the following errors:

../../../../../../workspace/sources/nnstreamer/ext/nnstreamer/tensor_filter/vivante/tensor_filter_subplugin.c:411:50: error: unused parameter 'prop' [-Werror=unused-parameter]
  411 | vivante_close (const GstTensorFilterProperties * prop, void **private_data)
      |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
../../../../../../workspace/sources/nnstreamer/ext/nnstreamer/tensor_filter/vivante/tensor_filter_subplugin.c: In function 'vivante_invoke':
../../../../../../workspace/sources/nnstreamer/ext/nnstreamer/tensor_filter/vivante/tensor_filter_subplugin.c:456:17: error: comparison of integer expressions of different signedness: 'int' and 'uint32_t' {aka 'unsigned int'} [-Werror=sign-compare]
  456 |   for (i = 0; i < pdata->graph->input.num; i++) {
      |                 ^
../../../../../../workspace/sources/nnstreamer/ext/nnstreamer/tensor_filter/vivante/tensor_filter_subplugin.c:507:17: error: comparison of integer expressions of different signedness: 'int' and 'uint32_t' {aka 'unsigned int'} [-Werror=sign-compare]
  507 |   for (i = 0; i < pdata->graph->output.num; i++) {
      |                 ^
../../../../../../workspace/sources/nnstreamer/ext/nnstreamer/tensor_filter/vivante/tensor_filter_subplugin.c:438:51: error: unused parameter 'prop' [-Werror=unused-parameter]
  438 | vivante_invoke (const GstTensorFilterProperties * prop,
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
../../../../../../workspace/sources/nnstreamer/ext/nnstreamer/tensor_filter/vivante/tensor_filter_subplugin.c: In function 'vivante_getInputDim':
../../../../../../workspace/sources/nnstreamer/ext/nnstreamer/tensor_filter/vivante/tensor_filter_subplugin.c:538:56: error: unused parameter 'prop' [-Werror=unused-parameter]
  538 | vivante_getInputDim (const GstTensorFilterProperties * prop,
      |                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
../../../../../../workspace/sources/nnstreamer/ext/nnstreamer/tensor_filter/vivante/tensor_filter_subplugin.c: In function 'vivante_getOutputDim':
../../../../../../workspace/sources/nnstreamer/ext/nnstreamer/tensor_filter/vivante/tensor_filter_subplugin.c:561:57: error: unused parameter 'prop' [-Werror=unused-parameter]
  561 | vivante_getOutputDim (const GstTensorFilterProperties * prop,
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
cc1: all warnings being treated as errors

Signed-off-by: Xavier Roumegue <xavier.roumegue@nxp.com>

[tools/pbtxt/py] fix warning

Fix warning - undefined variables.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[Query] Support flexible tensors format

Support flexible tensors format for tensor query.

Test pipeline
server:
 gst-launch-1.0 tensor_query_serversrc host=127.0.0.1 ! other/tensors,format=flexible ! tensor_query_serversink host=127.0.0.1
client:
 gst-launch-1.0 v4l2src ! videoconvert ! videoscale !  video/x-raw,width=320,height=240,format=RGB,framerate=30/1 ! tensor_converter ! other/tensors,format=flexible ! tensor_query_client src-host=127.0.0.1 sink-host=127.0.0.1 ! tensor_converter input-dim=3:320:240 input-type=uint8 ! tensor_decoder mode=direct_video ! videoconvert ! ximagesink

Signed-off-by: Gichan Jang <gichan2.jang@samsung.com>

[SAM/CodeClean/Py] fix pylint and syntax error

Code clean, fix pylint warning and syntax error.
- indent with 4 spaces
- function name rule: lowercase
- 2 blank lines between class and function

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[LICENSE] Add SPDX reference in LICENSE file.

Add SPDX license identifier reference in LICENSE file.

Signed-off-by: gichan <gichan2.jang@samsung.com>

[tensor_query] Fix double free in tensor_query_server

- Assign NULL value after call `query_server_data_free` to  prevent double free
- Remove some trailing spaces

Signed-off-by: Yongjoo Ahn <yongjoo1.ahn@samsung.com>

[Query] Change GLib types to standard types.

 - Change type of the port from uint32 to uint16.
 - Change Glib types to standard types.

Signed-off-by: Gichan Jang <gichan2.jang@samsung.com>

[Query] Add address resolver for server

Add address resolver for server.

Signed-off-by: gichan <gichan2.jang@samsung.com>

[Filter/Sub] unnecessary log to get subplugin from ini

Remove unnecessary log while loading sub-plugins from conf file.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[Query] Fix resource leak

Fix resource leaks reported by coverity.

Signed-off-by: Gichan Jang <gichan2.jang@samsung.com>

[Build] Set 'filter-aliases' option for trix-engine

The sub-plugin name of SRNPU is changed to trix-engine. So this patch
add 'trix-engine = srnpu' option in 'filter-aliases' field to provide
backward compatibility.

Signed-off-by: Sangjung Woo <sangjung.woo@samsung.com>

[Filter/Sub] Support 'filter-aliases' option

This patch supports the 'filter-aliases' option for searching the
sub-plugin. For example, if 'tf = tensorflow' option is given,
application developers can use 'framework = tf' in pipeline description
to use 'tensorflow' sub-plugin.

Signed-off-by: Sangjung Woo <sangjung.woo@samsung.com>

[fix/build] Fix build error unused vars

- Fix unused var build error in tensorrt related codes

Signed-off-by: Yongjoo Ahn <yongjoo1.ahn@samsung.com>

[Query] res leak

Code clean, fix possible res leak and invalid param.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[Query] Update server elements

Update query serversrc, serversink & meta-query
Src accepts connection from clients receiving messages such as
- Request Info : send back to client w/ src tensor config
- Start : indicates beginning of data transfer
- Data : contains tensor data
- End : ends transfer

Sink can identify client by meta-query, which contains host address
Sink sends transformed tensor by same policy

Example pipeline
```
gst-launch-1.0 tensor_query_serversrc host=127.0.0.1 ! other/tensors,num_tensors=1,dimensions=3:300:300:1,types=uint8,framerate=30/1 ! tensor_query_serversink host=127.0.0.1

gst-launch-1.0 v4l2src ! videoconvert ! videoscale ! video/x-raw,width=300,height=300,format=RGB,framerate=30/1 ! tensor_converter ! tensor_query_client src-host=127.0.0.1 sink-host=127.0.0.1 ! tensor_decoder mode=direct_video ! videoconvert ! ximagesink
```

Signed-off-by: Junhwan Kim <jejudo.kim@samsung.com>

[Query/common] Update server to handle multi-clients

Query server should be capable of serving multi-clients
Update asynchronous handler to accept async connection

Signed-off-by: Junhwan Kim <jejudo.kim@samsung.com>

[Query] Implement tensor query client

Implement tensor query client.
todo: support various protocols, error handling

Signed-off-by: Gichan Jang <gichan2.jang@samsung.com>

[Repo] remove meta

Gstreamer-meta in tensor repo only handles pad caps. Move caps into repo-data and remove repo-meta info.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[Query] Implement common utils for TCP

Common API functions used for both client and server elements
Currently based on TCP connections

TODO
- Enable timeout

Signed-off-by: Junhwan Kim <jejudo.kim@samsung.com>

[Gst/Mqtt] Resolve compiler warnings

Resolve compiler warnings.
 - Unused parameter
 - Different type comparison

Signed-off-by: Gichan Jang <gichan2.jang@samsung.com>

[Filter] Rename srnpu to trix-engine

The patch update the name 'srnpu' to 'trix-engine'.

Signed-off-by: Sangjung Woo <sangjung.woo@samsung.com>

[Config/Format] tensor format in config

Set tensor format from caps struct.
tensor stream has single format, so format in tensor-info struct is unnecessary.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

TFLite: Allow to skip flatbuf dep check

In Yocto build, it appears that flatbuf dep check
is not available:
https://github.com/nnstreamer/meta-neural-network/blob/master/recipes-nnstreamer/nnstreamer/files/0001-Disable-flatbuf-check-for-tf-lite-for-yocto-build.patch

@anyj0527 : Let's remove all *.patch files from
meta-neural-network by updating related nnstreamer/*.git
*.patch files in meta-neural-network are obvious
hazards.

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>

[filter/SNAP] Add TensorFlow Lite support

- SNAP v3.0 supports inference with TensorFlow Lite.
- Add the supported enum.

Signed-off-by: Yongjoo Ahn <yongjoo1.ahn@samsung.com>

[Subplugin/Py] prevent resizing the array length

In the sub-plugins for python, prevent resizing the array length when creating new array object.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[Doc] Add serialized buffer description

Add serialized buffer description.(flatbuf, protobuf, flexbuf)

Signed-off-by: gichan <gichan2.jang@samsung.com>

[Test/Ubuntu] add nnfw test

enable nnfw subplugin test in ubuntu build.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[Converter/Py] mem size

set memory size from mapped info, not buffer size.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

[Build] fix build error

Fix build error after changing warning level.

Signed-off-by: Jaeyun <jy1210.jung@samsung.com>

DIST (rpm/deb): add nnstreamer-util.h

The newly introduced external header should be
included in devel package.

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>

Style fix of gst-indent

With a lot of files modified by previous "warning fix" commit,
unrelated style fixes are required.

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>

Increase warning level and resolve compiler warnings.

1. Increase warning level of meson from 1 --> 2.
2. Resolve all warnings.

TODO: Increase warning level further.

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>

Common: add a common util header.

For nnstreamer developers including sub-plugin writers,
provide a common nnstreamer utility header that does not
depend on additional libraries.

TODO: migrate such functions from other external headers.

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>

Transform: ignore warnings from generated files.

For the increased warning level, add a script to ignore
warnings from generated C files.

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>