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-rw-r--r--src/cam/camera_session.cpp30
-rw-r--r--src/cam/main.cpp6
-rw-r--r--src/cam/main.h1
3 files changed, 37 insertions, 0 deletions
diff --git a/src/cam/camera_session.cpp b/src/cam/camera_session.cpp
index f34a6ed5..60d640f2 100644
--- a/src/cam/camera_session.cpp
+++ b/src/cam/camera_session.cpp
@@ -16,6 +16,9 @@
#include "camera_session.h"
#include "event_loop.h"
#include "file_sink.h"
+#ifdef HAVE_KMS
+#include "kms_sink.h"
+#endif
#include "main.h"
#include "stream_options.h"
@@ -66,6 +69,28 @@ CameraSession::CameraSession(CameraManager *cm,
bool strictFormats = options_.isSet(OptStrictFormats);
+#ifdef HAVE_KMS
+ if (options_.isSet(OptDisplay)) {
+ if (options_.isSet(OptFile)) {
+ std::cerr << "--display and --file options are mutually exclusive"
+ << std::endl;
+ return;
+ }
+
+ if (roles.size() != 1) {
+ std::cerr << "Display doesn't support multiple streams"
+ << std::endl;
+ return;
+ }
+
+ if (roles[0] != StreamRole::Viewfinder) {
+ std::cerr << "Display requires a viewfinder stream"
+ << std::endl;
+ return;
+ }
+ }
+#endif
+
switch (config->validate()) {
case CameraConfiguration::Valid:
break;
@@ -161,6 +186,11 @@ int CameraSession::start()
camera_->requestCompleted.connect(this, &CameraSession::requestComplete);
+#ifdef HAVE_KMS
+ if (options_.isSet(OptDisplay))
+ sink_ = std::make_unique<KMSSink>(options_[OptDisplay].toString());
+#endif
+
if (options_.isSet(OptFile)) {
if (!options_[OptFile].toString().empty())
sink_ = std::make_unique<FileSink>(options_[OptFile]);
diff --git a/src/cam/main.cpp b/src/cam/main.cpp
index 34cbc322..c7f664b9 100644
--- a/src/cam/main.cpp
+++ b/src/cam/main.cpp
@@ -132,6 +132,12 @@ int CamApp::parseOptions(int argc, char *argv[])
"Capture until interrupted by user or until <count> frames captured",
"capture", ArgumentOptional, "count", false,
OptCamera);
+#ifdef HAVE_KMS
+ parser.addOption(OptDisplay, OptionString,
+ "Display viewfinder through DRM/KMS on specified connector",
+ "display", ArgumentOptional, "connector", false,
+ OptCamera);
+#endif
parser.addOption(OptFile, OptionString,
"Write captured frames to disk\n"
"If the file name ends with a '/', it sets the directory in which\n"
diff --git a/src/cam/main.h b/src/cam/main.h
index d22451f5..1c2fab76 100644
--- a/src/cam/main.h
+++ b/src/cam/main.h
@@ -10,6 +10,7 @@
enum {
OptCamera = 'c',
OptCapture = 'C',
+ OptDisplay = 'D',
OptFile = 'F',
OptHelp = 'h',
OptInfo = 'I',