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#include <cstdio>
#include <fstream>
#include <unistd.h>
#include <kms++.h>
#include <kms++util.h>
using namespace std;
using namespace kms;
static void read_frame(ifstream& is, DumbFramebuffer* fb, Crtc* crtc, Plane* plane)
{
for (unsigned i = 0; i < fb->num_planes(); ++i)
is.read((char*)fb->map(i), fb->size(i));
unsigned w = min(crtc->width(), fb->width());
unsigned h = min(crtc->height(), fb->height());
int r = crtc->set_plane(plane, *fb,
0, 0, w, h,
0, 0, fb->width(), fb->height());
ASSERT(r == 0);
}
int main(int argc, char** argv)
{
if (argc != 5) {
printf("Usage: %s <file> <width> <height> <fourcc>\n", argv[0]);
return -1;
}
string filename = argv[1];
uint32_t w = stoi(argv[2]);
uint32_t h = stoi(argv[3]);
string modestr = argv[4];
auto pixfmt = FourCCToPixelFormat(modestr);
ifstream is(filename, ifstream::binary);
is.seekg(0, std::ios::end);
unsigned fsize = is.tellg();
is.seekg(0);
Card card;
auto conn = card.get_first_connected_connector();
auto crtc = conn->get_current_crtc();
auto fb = new DumbFramebuffer(card, w, h, pixfmt);
Plane* plane = 0;
for (Plane* p : crtc->get_possible_planes()) {
if (p->plane_type() != PlaneType::Overlay)
continue;
if (!p->supports_format(pixfmt))
continue;
plane = p;
break;
}
FAIL_IF(!plane, "available plane not found");
unsigned frame_size = 0;
for (unsigned i = 0; i < fb->num_planes(); ++i)
frame_size += fb->size(i);
unsigned num_frames = fsize / frame_size;
printf("file size %u, frame size %u, frames %u\n", fsize, frame_size, num_frames);
for (unsigned i = 0; i < num_frames; ++i) {
printf("frame %d\n", i);
read_frame(is, fb, crtc, plane);
usleep(1000*50);
}
printf("press enter to exit\n");
is.close();
getchar();
delete fb;
}
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