Rename sender to ffmpeg_transmitter, move IP/port to constants, update README

Author: RaspberryFpc

bin/README.md

@@ -45,14 +45,14 @@ Install `ffmpeg`:
 sudo apt install ffmpeg
 ```
 
-To transmit system audio, use the provided startup script **StartFFmpegTransmitter.sh**:
+To transmit system audio, use the provided startup script **ffmpeg_transmitter.sh**:
 
 1. Edit the script and replace the IP address with the address of your receiver.  
 2. Set the port number to match the configuration on the receiver.  
 3. Make the script executable:
 
 ```bash
-chmod +x StartFFmpegTransmitter.sh
+chmod +x ffmpeg_transmitter.sh
 ```
 
 4. Save the file, place it on the desktop, and start it with a double-click.

bin/UDP_Audio_Quick_Start.txt

@@ -0,0 +1,57 @@
+DP Audio Streaming – Quick Start Guide
+
+This document describes how to start the UDP audio sender
+and how to install and start the UDP audio receiver using
+the provided .deb package.
+
+
+SENDER (Audio Transmitter)
+
+The sender uses ffmpeg to transmit uncompressed stereo audio over UDP.
+Install ffmpeg (if not already installed): sudo apt install ffmpeg
+
+Use the provided script: ffmpeg_transmitter.sh
+
+Edit the script:
+Set the IP address of the receiver
+Set the UDP port (must match the receiver configuration)
+Make the script executable:
+
+chmod +x ffmpeg_transmitter.sh
+
+Start the sender:
+Double-click the script
+or
+Run it from a terminal
+
+Audio is now streamed via UDP to the receiver.
+
+
+
+RECEIVER (UDP Audio Player)
+
+Install the receiver using the .deb package: sudo dpkg -i udp_player_1.0.12.deb
+
+During installation:
+The binary is installed to /usr/bin/udp_player
+A desktop menu entry is created
+Required capabilities are set automatically
+(cap_net_raw, cap_sys_nice+ep)
+This means the player can be started without sudo.
+
+Start the receiver:
+
+From terminal: udp_player
+Or via the desktop menu entry
+
+First start behavior:
+A configuration file is created automatically
+Default audio device settings are generated
+Audio plays when UDP packets arrive
+
+NOTES
+
+Sender and receiver port numbers must match
+For low latency, use a wired (LAN) connection if possible
+Audio output device can be selected in the receiver settings
+

bin/ffmpeg_transmitter.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+# ==================================================
+# Configuration
+# ==================================================
+RECEIVER_IP="192.168.192.123"
+RECEIVER_PORT="5010"
+
+# ==================================================
+# Start FFmpeg sender in terminal
+# ==================================================
+lxterminal -e /usr/bin/ffmpeg \
+  -f pulse -i default \
+  -acodec pcm_s16le \
+  -f rtp \
+  -fflags nobuffer \
+  -flags low_delay \
+  -max_delay 0 \
+  -flush_packets 1 \
+  rtp://${RECEIVER_IP}:${RECEIVER_PORT}

bin/start_ffmpeg_transmitter.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+# ==================================================
+# Configuration
+# ==================================================
+RECEIVER_IP="192.168.192.123"
+RECEIVER_PORT="5010"
+
+# ==================================================
+# Start FFmpeg sender in terminal
+# ==================================================
+lxterminal -e /usr/bin/ffmpeg \
+  -f pulse -i default \
+  -acodec pcm_s16le \
+  -f rtp \
+  -fflags nobuffer \
+  -flags low_delay \
+  -max_delay 0 \
+  -flush_packets 1 \
+  rtp://${RECEIVER_IP}:${RECEIVER_PORT}