64ab9c5f74
DecodedFrame pixels are AV_PIX_FMT_RGBA (memory order R,G,B,A), but SDL names 32-bit formats MSB-first, so SDL_PIXELFORMAT_RGBA8888 reads memory as A,B,G,R: the opaque alpha byte was displayed as red and the image got a strong red tint. The correct constant is SDL_PIXELFORMAT_ABGR8888. Verified with solid red/green/blue synthetic RTP feeds through the real receiver: each hue now lands on its reference YUV values (red Y79/U87/V247, green Y148/U48/V27, blue Y34/U248/V108), where green previously displayed as magenta.