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Start implementing USBCamera.

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This commit is contained in:
Peter Johnson
2016-09-16 17:57:17 -07:00
parent 80eb056432
commit 2c80587d11
5 changed files with 854 additions and 63 deletions
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59
src/cameraserver_c.cpp
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@@ -13,17 +13,7 @@
#include "llvm/SmallString.h"
#include "cameraserver_cpp.h"
//
// Conversion helpers
//
static char* ConvertToC(llvm::StringRef in) {
char* out = static_cast<char*>(std::malloc(in.size() + 1));
std::memmove(out, in.data(), in.size());
out[in.size()] = '\0';
return out;
}
#include "c_util.h"
extern "C" {
@@ -35,7 +25,7 @@ char* CS_GetPropertyName(CS_Property property, CS_Status* status) {
llvm::SmallString<128> buf;
auto str = cs::GetPropertyName(property, buf, status);
if (*status != 0) return nullptr;
return ConvertToC(str);
return cs::ConvertToC(str);
}
CS_Bool CS_GetBooleanProperty(CS_Property property, CS_Status* status) {
@@ -76,7 +66,7 @@ char* CS_GetStringProperty(CS_Property property, CS_Status* status) {
llvm::SmallString<128> buf;
auto str = cs::GetStringProperty(property, buf, status);
if (*status != 0) return nullptr;
return ConvertToC(str);
return cs::ConvertToC(str);
}
void CS_SetStringProperty(CS_Property property, const char* value,
@@ -98,19 +88,10 @@ char** CS_GetEnumPropertyChoices(CS_Property property, int* count,
char** out = static_cast<char**>(std::malloc(choices.size() * sizeof(char*)));
*count = choices.size();
for (std::size_t i = 0; i < choices.size(); ++i)
out[i] = ConvertToC(choices[i]);
out[i] = cs::ConvertToC(choices[i]);
return out;
}
CS_Source CS_CreateUSBSourceDev(const char* name, int dev, CS_Status* status) {
return cs::CreateUSBSourceDev(name, dev, status);
}
CS_Source CS_CreateUSBSourcePath(const char* name, const char* path,
CS_Status* status) {
return cs::CreateUSBSourcePath(name, path, status);
}
CS_Source CS_CreateHTTPSource(const char* name, const char* url,
CS_Status* status) {
return cs::CreateHTTPSource(name, url, status);
@@ -124,14 +105,14 @@ char* CS_GetSourceName(CS_Source source, CS_Status* status) {
llvm::SmallString<128> buf;
auto str = cs::GetSourceName(source, buf, status);
if (*status != 0) return nullptr;
return ConvertToC(str);
return cs::ConvertToC(str);
}
char* CS_GetSourceDescription(CS_Source source, CS_Status* status) {
llvm::SmallString<128> buf;
auto str = cs::GetSourceDescription(source, buf, status);
if (*status != 0) return nullptr;
return ConvertToC(str);
return cs::ConvertToC(str);
}
uint64_t CS_GetSourceLastFrameTime(CS_Source source, CS_Status* status) {
@@ -221,14 +202,14 @@ char* CS_GetSinkName(CS_Sink sink, CS_Status* status) {
llvm::SmallString<128> buf;
auto str = cs::GetSinkName(sink, buf, status);
if (*status != 0) return nullptr;
return ConvertToC(str);
return cs::ConvertToC(str);
}
char* CS_GetSinkDescription(CS_Sink sink, CS_Status* status) {
llvm::SmallString<128> buf;
auto str = cs::GetSinkDescription(sink, buf, status);
if (*status != 0) return nullptr;
return ConvertToC(str);
return cs::ConvertToC(str);
}
void CS_SetSinkSource(CS_Sink sink, CS_Source source, CS_Status* status) {
@@ -261,7 +242,7 @@ char* CS_GetSinkError(CS_Sink sink, CS_Status* status) {
llvm::SmallString<128> buf;
auto str = cs::GetSinkError(sink, buf, status);
if (*status != 0) return nullptr;
return ConvertToC(str);
return cs::ConvertToC(str);
}
void CS_SetSinkEnabled(CS_Sink sink, CS_Bool enabled, CS_Status* status) {
@@ -310,28 +291,6 @@ void CS_RemoveSinkListener(CS_Listener handle, CS_Status* status) {
return cs::RemoveSinkListener(handle, status);
}
CS_USBCameraInfo* CS_EnumerateUSBCameras(int* count, CS_Status* status) {
auto cameras = cs::EnumerateUSBCameras(status);
CS_USBCameraInfo* out = static_cast<CS_USBCameraInfo*>(
std::malloc(cameras.size() * sizeof(CS_USBCameraInfo)));
*count = cameras.size();
for (std::size_t i = 0; i < cameras.size(); ++i) {
out[i].dev = cameras[i].dev;
out[i].path = ConvertToC(cameras[i].path);
out[i].name = ConvertToC(cameras[i].name);
}
return out;
}
void CS_FreeEnumeratedUSBCameras(CS_USBCameraInfo* cameras, int count) {
if (!cameras) return;
for (int i = 0; i < count; ++i) {
std::free(cameras[i].path);
std::free(cameras[i].name);
}
std::free(cameras);
}
CS_Source* CS_EnumerateSources(int* count, CS_Status* status) {
llvm::SmallVector<CS_Source, 32> buf;
auto handles = cs::EnumerateSourceHandles(buf, status);