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#include "camera.h"
#include "common/processing.h"
#include "common/properties.h"
#define FF_TERMUX_API_PATH FASTFETCH_TARGET_DIR_ROOT "/libexec/termux-api"
#define FF_TERMUX_API_PARAM "CameraInfo"
static inline void wrapYyjsonFree(yyjson_doc** doc) {
assert(doc);
if (*doc) {
yyjson_doc_free(*doc);
}
}
const char* ffDetectCamera(FF_A_UNUSED FFlist* result) {
FF_STRBUF_AUTO_DESTROY buffer = ffStrbufCreate();
if (ffProcessAppendStdOut(&buffer, (char* const[]) { FF_TERMUX_API_PATH, FF_TERMUX_API_PARAM, NULL })) {
return "Starting `" FF_TERMUX_API_PATH " " FF_TERMUX_API_PARAM "` failed";
}
yyjson_doc* FF_A_CLEANUP(wrapYyjsonFree) doc = yyjson_read_opts(buffer.chars, buffer.length, 0, NULL, NULL);
if (!doc) {
return "Failed to parse camera info";
}
yyjson_val* root = yyjson_doc_get_root(doc);
if (!yyjson_is_arr(root)) {
return "Camera info result is not a JSON array";
}
yyjson_val* device;
size_t idx, max;
yyjson_arr_foreach (root, idx, max, device) {
FFCameraResult* camera = FF_LIST_ADD(FFCameraResult, *result);
{
const char* facing = yyjson_get_str(yyjson_obj_get(device, "facing"));
if (facing) {
ffStrbufInitF(&camera->name, "builtin-%s", facing);
} else {
ffStrbufInitStatic(&camera->name, "Unknown");
}
}
ffStrbufInit(&camera->vendor);
ffStrbufInitJsonVal(&camera->id, yyjson_obj_get(device, "id"));
yyjson_val* sizes = yyjson_arr_get_first(yyjson_obj_get(device, "jpeg_output_sizes"));
if (yyjson_is_obj(sizes)) {
camera->width = (uint32_t) yyjson_get_uint(yyjson_obj_get(sizes, "width"));
camera->height = (uint32_t) yyjson_get_uint(yyjson_obj_get(sizes, "height"));
} else {
camera->width = camera->height = 0;
}
ffStrbufInit(&camera->colorspace);
}
return NULL;
}
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