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Start implementing HttpCamera.

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This is a work in progress that does not yet support camera settings.
This commit is contained in:
Peter Johnson
2016-11-28 00:22:15 -08:00
parent 4c8c41fdc0
commit 9016a9e8b8
16 changed files with 1425 additions and 33 deletions
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110
java/lib/CameraServerJNI.cpp
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@@ -152,6 +152,12 @@ static void ReportError(JNIEnv *env, CS_Status status) {
case CS_SOURCE_IS_DISCONNECTED:
msg = "source is disconnected";
break;
case CS_EMPTY_VALUE:
msg = "empty value";
break;
case CS_BAD_URL:
msg = "bad URL";
break;
default: {
llvm::raw_svector_ostream oss{msg};
oss << "unknown error code=" << status;
@@ -410,11 +416,11 @@ JNIEXPORT jint JNICALL Java_edu_wpi_cscore_CameraServerJNI_createUsbCameraPath
/*
* Class: edu_wpi_cscore_CameraServerJNI
* Method: createHTTPCamera
* Signature: (Ljava/lang/String;Ljava/lang/String;)I
* Method: createHttpCamera
* Signature: (Ljava/lang/String;Ljava/lang/String;I)I
*/
JNIEXPORT jint JNICALL Java_edu_wpi_cscore_CameraServerJNI_createHttpCamera
(JNIEnv *env, jclass, jstring name, jstring url)
(JNIEnv *env, jclass, jstring name, jstring url, jint kind)
{
if (!name) {
nullPointerEx.Throw(env, "name cannot be null");
@@ -425,8 +431,45 @@ JNIEXPORT jint JNICALL Java_edu_wpi_cscore_CameraServerJNI_createHttpCamera
return 0;
}
CS_Status status = 0;
auto val = cs::CreateHttpCamera(JStringRef{env, name},
JStringRef{env, url}, &status);
auto val =
cs::CreateHttpCamera(JStringRef{env, name}, JStringRef{env, url},
static_cast<CS_HttpCameraKind>(kind), &status);
CheckStatus(env, status);
return val;
}
/*
* Class: edu_wpi_cscore_CameraServerJNI
* Method: createHttpCameraMulti
* Signature: (Ljava/lang/String;[Ljava/lang/String;I)I
*/
JNIEXPORT jint JNICALL Java_edu_wpi_cscore_CameraServerJNI_createHttpCameraMulti
(JNIEnv *env, jclass, jstring name, jobjectArray urls, jint kind)
{
if (!name) {
nullPointerEx.Throw(env, "name cannot be null");
return 0;
}
if (!urls) {
nullPointerEx.Throw(env, "urls cannot be null");
return 0;
}
size_t len = env->GetArrayLength(urls);
llvm::SmallVector<std::string, 8> vec;
vec.reserve(len);
for (size_t i = 0; i < len; ++i) {
JLocal<jstring> elem{
env, static_cast<jstring>(env->GetObjectArrayElement(urls, i))};
if (!elem) {
// TODO
return 0;
}
vec.push_back(JStringRef{env, elem}.str());
}
CS_Status status = 0;
auto val =
cs::CreateHttpCamera(JStringRef{env, name}, vec,
static_cast<CS_HttpCameraKind>(kind), &status);
CheckStatus(env, status);
return val;
}
@@ -713,6 +756,63 @@ JNIEXPORT jstring JNICALL Java_edu_wpi_cscore_CameraServerJNI_getUsbCameraPath
return MakeJString(env, str);
}
/*
* Class: edu_wpi_cscore_CameraServerJNI
* Method: getHttpCameraKind
* Signature: (I)I
*/
JNIEXPORT jint JNICALL Java_edu_wpi_cscore_CameraServerJNI_getHttpCameraKind
(JNIEnv *env, jclass, jint source)
{
CS_Status status = 0;
auto kind = cs::GetHttpCameraKind(source, &status);
if (!CheckStatus(env, status)) return 0;
return kind;
}
/*
* Class: edu_wpi_cscore_CameraServerJNI
* Method: setHttpCameraUrls
* Signature: (I[Ljava/lang/String;)V
*/
JNIEXPORT void JNICALL Java_edu_wpi_cscore_CameraServerJNI_setHttpCameraUrls
(JNIEnv *env, jclass, jint source, jobjectArray urls)
{
if (!urls) {
nullPointerEx.Throw(env, "urls cannot be null");
return;
}
size_t len = env->GetArrayLength(urls);
llvm::SmallVector<std::string, 8> vec;
vec.reserve(len);
for (size_t i = 0; i < len; ++i) {
JLocal<jstring> elem{
env, static_cast<jstring>(env->GetObjectArrayElement(urls, i))};
if (!elem) {
// TODO
return;
}
vec.push_back(JStringRef{env, elem}.str());
}
CS_Status status = 0;
cs::SetHttpCameraUrls(source, vec, &status);
CheckStatus(env, status);
}
/*
* Class: edu_wpi_cscore_CameraServerJNI
* Method: getHttpCameraUrls
* Signature: (I)[Ljava/lang/String;
*/
JNIEXPORT jobjectArray JNICALL Java_edu_wpi_cscore_CameraServerJNI_getHttpCameraUrls
(JNIEnv *env, jclass, jint source)
{
CS_Status status = 0;
auto arr = cs::GetHttpCameraUrls(source, &status);
if (!CheckStatus(env, status)) return nullptr;
return MakeJStringArray(env, arr);
}
/*
* Class: edu_wpi_cscore_CameraServerJNI
* Method: putSourceFrame