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add tools for USB video capture 

Complete with seamless VRAM/Azur transitions!!
This commit is contained in:
Lephenixnoir 2023-06-04 00:48:45 +02:00
parent 5e44eb2e3c
commit 7c9a0de14c
Signed by: Lephenixnoir
GPG Key ID: 1BBA026E13FC0495
1 changed files with 77 additions and 0 deletions
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77
src/main.cpp
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@ -13,9 +13,80 @@
#include <gint/cpu.h>
#include <azur/gint/render.h>
#include <gint/drivers/r61524.h>
#include <gint/drivers/keydev.h>
#include <fxlibc/printf.h>
#include <gint/gint.h>
#ifdef LOG_USB_ENABLE
#include <gint/usb.h>
#include <gint/usb-ff-bulk.h>
/* Screenshot next frame */
bool volatile screenshot = false;
/* Send next frame as video to fxlink */
bool volatile videocapture = false;
static bool async_event_filter(key_event_t ev)
{
if(ev.key == KEY_7) {
if(ev.type == KEYEV_DOWN)
screenshot = true;
return false;
}
if(ev.key == KEY_8) {
if(ev.type == KEYEV_DOWN)
videocapture = !videocapture;
return false;
}
return true;
}
static void hook_prefrag(int id, void *fragment, int size)
{
if(!screenshot && !videocapture)
return;
/* Screenshot takes precedence */
char const *type = screenshot ? "image" : "video";
int pipe = usb_ff_bulk_output();
if(id == 0) {
usb_fxlink_header_t h;
usb_fxlink_image_t sh;
int size = azrp_width * azrp_height * 2;
usb_fxlink_fill_header(&h, "fxlink", type, size + sizeof sh);
sh.width = htole32(azrp_width);
sh.height = htole32(azrp_height);
sh.pixel_format = htole32(USB_FXLINK_IMAGE_RGB565);
usb_write_sync(pipe, &h, sizeof h, false);
usb_write_sync(pipe, &sh, sizeof sh, false);
}
usb_write_sync(pipe, fragment, size, false);
if(id == azrp_frag_count - 1) {
usb_commit_sync(pipe);
screenshot = false;
}
}
static void hook_dupdate(void)
{
if(screenshot) {
usb_fxlink_screenshot(true);
screenshot = false;
}
else if(videocapture) {
usb_fxlink_videocapture(false);
}
}
#endif /* LOG_USB_ENABLE */
int play_level(int level_id)
{
struct game game;
@ -307,12 +378,18 @@ int main(void)
extern font_t font_boson;
dfont(&font_boson);
azrp_config_scale(1);
#if LOG_USB_ENABLE
dclear(C_WHITE);
dtext_opt(DWIDTH/2, DHEIGHT/2, C_BLACK, C_NONE, DTEXT_CENTER, DTEXT_MIDDLE,
"Waiting for USB log...", -1);
dupdate();
log_init(true);
azrp_hook_set_prefrag(hook_prefrag);
dupdate_set_hook(GINT_CALL(hook_dupdate));
keydev_set_async_filter(keydev_std(), async_event_filter);
#endif
while (1) {