diff options
| author | Loek Le Blansch <loek@pipeframe.xyz> | 2024-08-19 16:31:54 +0200 |
|---|---|---|
| committer | Loek Le Blansch <loek@pipeframe.xyz> | 2024-08-19 16:31:54 +0200 |
| commit | 3fbcfeeb4b80e6c068aa9497e00d54878b791e3f (patch) | |
| tree | 342322e3aeb4d51fd97aff90dd7238f920b188b9 /src/frontend | |
| parent | 30de08bbf3be9011b56f9dc3d2322f492d6ec5c8 (diff) | |
more successful message fiddling
Diffstat (limited to 'src/frontend')
| -rw-r--r-- | src/frontend/qt_sdl/LocalMP.cpp | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/src/frontend/qt_sdl/LocalMP.cpp b/src/frontend/qt_sdl/LocalMP.cpp index 906f4d4..0ca5921 100644 --- a/src/frontend/qt_sdl/LocalMP.cpp +++ b/src/frontend/qt_sdl/LocalMP.cpp @@ -463,10 +463,6 @@ int SendPacketGeneric(u32 type, u8* packet, int len, u64 timestamp) pktheader.Length = len; pktheader.Timestamp = timestamp; -#ifdef VSR_MESSAGE_FIDDLING - static int package_idx = 0; -#endif - type &= 0xFFFF; int nfifo = (type == 2) ? 1 : 0; // NOTE: this is the ni-fi packet header, altering this header in any way @@ -481,24 +477,30 @@ int SendPacketGeneric(u32 type, u8* packet, int len, u64 timestamp) #ifdef VSR_MESSAGE_FIDDLING // if message packet (has size 222 w/o ni-fi header) if (fiddle && len == 222) { - // if fresh message (do not count resends) - if (packet[0x02] == 0x02) { - // corrupt all pixels in every nth package - package_idx = (package_idx + 1) % 10; + const u8 fill = 0x33; // hot pink (#eb00eb) + unsigned safe = 0; + + // if content offset == 0 there is some very important info at the + // start of the message which must stay intact + u16 content_offset = *(u16*)(packet + 0x32); + if (content_offset == 0) { + safe = 0x24; // don't touch the first 0x24 bytes } - if (true || package_idx == 0) { - // mainWindow->osdAddMessage(0x00ff00, "oops!"); - // NOTE: packet indexes are after NIFI header! - for (size_t i = 0; i < 0x80; i++) { - packet[0x3e + i] = 0x11; - } - // packet[0x3e + 0x00] = 0x13; - // packet[0x3e + 0x01] = 0x13; - - // packet[0x3e + 0x02] = 0x33; - // packet[0x3e + 0x04] = 0x33; + for (size_t i = safe; i < 0xa0; i++) { + packet[0x36 + i] = fill; } + + // // mainWindow->osdAddMessage(0x00ff00, "oops!"); + // // NOTE: packet indexes are after NIFI header! + // for (size_t i = 0; i < 0x80; i++) { + // packet[0x3e + i] = 0x11; + // } + // // packet[0x3e + 0x00] = 0x13; + // // packet[0x3e + 0x01] = 0x13; + + // // packet[0x3e + 0x02] = 0x33; + // // packet[0x3e + 0x04] = 0x33; } #endif |