breadcast/breadcast-caststream-sys/vendor/openscreen/patches/compat_shims.cc
Breadway 8c745d18e0
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Implement Cast Streaming mirroring, DLNA casting, daemon+GUI, and breadd integration
Builds out the full v1 scope: a vendored+patched openscreen subset for
low-latency Cast Streaming (Mirroring receiver 0F5096E8) alongside the
existing Cast V2/HLS and new DLNA/AVTransport casting paths, breadcastd's
Idle/Casting state machine with a private IPC socket, the breadcast GTK4
popup as a thin IPC client, and bread.cast.*/bread.command.cast.* breadd
integration (device discovery, start/stop, mirroring lifecycle events).
Also adds bakery/systemd/Forgejo CI packaging.

Validated end-to-end against a real Chromecast/Google TV: negotiated
Cast Streaming session, live pipeline playback, and daemon+GUI click-to-cast/
stop through the actual popup.
2026-08-03 09:07:21 +08:00

26 lines
751 B
C++

#include "patches/compat_shims.h"
void AES_ctr128_encrypt(const unsigned char* in,
unsigned char* out,
size_t length,
const AES_KEY* key,
unsigned char ivec[AES_BLOCK_SIZE],
unsigned char ecount_buf[AES_BLOCK_SIZE],
unsigned int* num) {
unsigned int n = *num;
size_t l = 0;
while (l < length) {
if (n == 0) {
AES_encrypt(ivec, ecount_buf, key);
for (int i = AES_BLOCK_SIZE - 1; i >= 0; --i) {
if (++ivec[i]) {
break;
}
}
}
out[l] = static_cast<unsigned char>(in[l] ^ ecount_buf[n]);
++l;
n = (n + 1) % AES_BLOCK_SIZE;
}
*num = n;
}