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#include <assert.h>
#include "shared/va_resource_pool.h"
using namespace std;
VAResourcePool::VAResources VAResourcePool::get_va_resources(unsigned width, unsigned height, uint32_t fourcc)
{
{
lock_guard<mutex> lock(mu);
for (auto it = freelist.begin(); it != freelist.end(); ++it) {
if (it->width == width && it->height == height && it->fourcc == fourcc) {
VAResources ret = *it;
freelist.erase(it);
return ret;
}
}
}
VAResources ret;
ret.width = width;
ret.height = height;
ret.fourcc = fourcc;
VASurfaceAttrib attrib;
attrib.flags = VA_SURFACE_ATTRIB_SETTABLE;
attrib.type = VASurfaceAttribPixelFormat;
attrib.value.type = VAGenericValueTypeInteger;
attrib.value.value.i = fourcc;
VAStatus va_status;
VAConfigID config_id;
if (fourcc == VA_FOURCC_UYVY) {
va_status = vaCreateSurfaces(va_dpy, VA_RT_FORMAT_YUV422, width, height, &ret.surface, 1, &attrib, 1);
config_id = config_id_422;
} else {
assert(fourcc == VA_FOURCC_NV12);
va_status = vaCreateSurfaces(va_dpy, VA_RT_FORMAT_YUV420, width, height, &ret.surface, 1, &attrib, 1);
config_id = config_id_420;
}
va_status = vaCreateContext(va_dpy, config_id, width, height, 0, &ret.surface, 1, &ret.context);
CHECK_VASTATUS(va_status, "vaCreateContext");
if (with_data_buffer) {
va_status = vaCreateBuffer(va_dpy, ret.context, VAEncCodedBufferType, width * height * 3 + 8192, 1, nullptr, &ret.data_buffer);
CHECK_VASTATUS(va_status, "vaCreateBuffer");
}
if (fourcc == VA_FOURCC_UYVY) {
va_status = vaCreateImage(va_dpy, &uyvy_format, width, height, &ret.image);
CHECK_VASTATUS(va_status, "vaCreateImage");
} else {
assert(fourcc == VA_FOURCC_NV12);
va_status = vaCreateImage(va_dpy, &nv12_format, width, height, &ret.image);
CHECK_VASTATUS(va_status, "vaCreateImage");
}
return ret;
}
void VAResourcePool::release_va_resources(VAResourcePool::VAResources resources)
{
lock_guard<mutex> lock(mu);
if (freelist.size() > 50) {
auto it = freelist.end();
--it;
VAStatus va_status;
if (with_data_buffer) {
va_status = vaDestroyBuffer(va_dpy, it->data_buffer);
CHECK_VASTATUS(va_status, "vaDestroyBuffer");
}
va_status = vaDestroyContext(va_dpy, it->context);
CHECK_VASTATUS(va_status, "vaDestroyContext");
va_status = vaDestroySurfaces(va_dpy, &it->surface, 1);
CHECK_VASTATUS(va_status, "vaDestroySurfaces");
va_status = vaDestroyImage(va_dpy, it->image.image_id);
CHECK_VASTATUS(va_status, "vaDestroyImage");
freelist.erase(it);
}
freelist.push_front(resources);
}
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