The following issues were found

plugins/linux-v4l2/linux-v4l2.c
1 issues
There is an unknown macro here somewhere. Configuration is required. If OBS_DECLARE_MODULE is a macro then please configure it.
Error

Line: 20 

              #include <obs-module.h>
#include <util/platform.h>

OBS_DECLARE_MODULE()
OBS_MODULE_USE_DEFAULT_LOCALE("linux-v4l2", "en-US")
MODULE_EXPORT const char *obs_module_description(void)
{
	return "Video4Linux2(V4L2) sources/virtual camera";
}

Reported by Cppcheck.

plugins/linux-v4l2/v4l2-helpers.c
1 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 297 Column: 2 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              	if (v4l2_ioctl(dev, VIDIOC_ENUM_DV_TIMINGS, &iter) < 0)
		return -1;

	memcpy(dvt, &iter.timings, sizeof(struct v4l2_dv_timings));

	return 0;
#endif
}

Reported by FlawFinder.

plugins/mac-avcapture/left-right.hpp
1 issues
read - Check buffer boundaries if used in a loop including recursive loops
Security

Line: 34 Column: 4 CWE codes: 120 20 

              		f(data[cur]);
	}

	T read()
	{
		auto cur = current.load();
		for (;;) {
			readers[cur] += 1;

Reported by FlawFinder.

plugins/mac-capture/plugin-main.c
1 issues
There is an unknown macro here somewhere. Configuration is required. If OBS_DECLARE_MODULE is a macro then please configure it.
Error

Line: 3 

              #include <obs-module.h>

OBS_DECLARE_MODULE()
OBS_MODULE_USE_DEFAULT_LOCALE("mac-capture", "en-US")
MODULE_EXPORT const char *obs_module_description(void)
{
	return "macOS audio input/output and window/display capture";
}

Reported by Cppcheck.

plugins/mac-syphon/plugin-main.c
1 issues
There is an unknown macro here somewhere. Configuration is required. If OBS_DECLARE_MODULE is a macro then please configure it.
Error

Line: 3 

              #include <obs-module.h>

OBS_DECLARE_MODULE()
OBS_MODULE_USE_DEFAULT_LOCALE("syphon", "en-US")
MODULE_EXPORT const char *obs_module_description(void)
{
	return "Syphon frame sharing";
}

Reported by Cppcheck.

plugins/obs-ffmpeg/obs-ffmpeg-audio-encoders.c
1 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 360 Column: 3 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              	struct enc_encoder *enc = data;

	for (size_t i = 0; i < enc->audio_planes; i++)
		memcpy(enc->samples[i], frame->data[i], enc->frame_size_bytes);

	return do_encode(enc, packet, received_packet);
}

static void enc_defaults(obs_data_t *settings)

Reported by FlawFinder.

plugins/obs-ffmpeg/obs-ffmpeg-mux.c
1 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 426 Column: 2 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              
static void signal_failure(struct ffmpeg_muxer *stream)
{
	char error[1024];
	int ret;
	int code;

	size_t len;

Reported by FlawFinder.

plugins/obs-ffmpeg/obs-ffmpeg.c
1 issues
There is an unknown macro here somewhere. Configuration is required. If OBS_DECLARE_MODULE is a macro then please configure it.
Error

Line: 15 

              #include <util/windows/win-version.h>
#endif

OBS_DECLARE_MODULE()
OBS_MODULE_USE_DEFAULT_LOCALE("obs-ffmpeg", "en-US")
MODULE_EXPORT const char *obs_module_description(void)
{
	return "FFmpeg based sources/outputs/encoders";
}

Reported by Cppcheck.

plugins/obs-filters/async-delay-filter.c
1 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 225 Column: 2 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              		return NULL;

	circlebuf_pop_front(&filter->audio_frames, NULL, sizeof(cached));
	memcpy(&filter->audio_output, &cached, sizeof(cached));

	if (!filter->audio_delay_reached)
		filter->audio_delay_reached = true;

	return &filter->audio_output;

Reported by FlawFinder.

plugins/obs-filters/obs-filters.c
1 issues
There is an unknown macro here somewhere. Configuration is required. If OBS_DECLARE_MODULE is a macro then please configure it.
Error

Line: 4 

              #include <obs-module.h>
#include "obs-filters-config.h"

OBS_DECLARE_MODULE()
OBS_MODULE_USE_DEFAULT_LOCALE("obs-filters", "en-US")
MODULE_EXPORT const char *obs_module_description(void)
{
	return "OBS core filters";
}

Reported by Cppcheck.