Fix "Add online serving to Stable Audio Diffusion and introduce v1/audio/generate endpoint" (#1794)

Signed-off-by: Ekagra Ranjan <3116519+ekagra-ranjan@users.noreply.github.com>
Signed-off-by: Yueqian Lin <linyueqian@outlook.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Yueqian Lin <70319226+linyueqian@users.noreply.github.com>
Co-authored-by: Yueqian Lin <linyueqian@outlook.com>

examples/online_serving/stable_audio/curl_examples.sh

@@ -0,0 +1,54 @@
+#!/bin/bash
+# Examples for using Stable Audio with curl via /v1/audio/generate endpoint
+
+# Example 1: Simple request with default parameters
+echo "Example 1: Simple request with default parameters"
+curl -X POST http://localhost:8091/v1/audio/generate \
+    -H "Content-Type: application/json" \
+    -d '{
+        "input": "The sound audience clapping and cheering in a stadium"
+    }' --output stadium.wav
+
+# Example 2: Request with custom audio_length
+echo "Example 2: Custom audio length (5 seconds)"
+curl -X POST http://localhost:8091/v1/audio/generate \
+    -H "Content-Type: application/json" \
+    -d '{
+        "input": "The sound of a dog barking",
+        "audio_length": 5.0
+    }' --output dog_5s.wav
+
+# Example 3: Request with negative prompt for quality control
+echo "Example 3: With negative prompt"
+curl -X POST http://localhost:8091/v1/audio/generate \
+    -H "Content-Type: application/json" \
+    -d '{
+        "input": "A piano playing a gentle melody",
+        "audio_length": 10.0,
+        "negative_prompt": "Low quality, distorted, noisy"
+    }' --output piano.wav
+
+# Example 4: Full control with all parameters
+echo "Example 4: Full control (custom length, guidance, steps, seed)"
+curl -X POST http://localhost:8091/v1/audio/generate \
+    -H "Content-Type: application/json" \
+    -d '{
+        "input": "Thunder and rain sounds",
+        "audio_length": 15.0,
+        "negative_prompt": "Low quality",
+        "guidance_scale": 7.0,
+        "num_inference_steps": 100,
+        "seed": 42
+    }' --output thunder_rain.wav
+
+# Example 5: Quick generation with fewer steps (faster but lower quality)
+echo "Example 5: Quick generation (fewer steps)"
+curl -X POST http://localhost:8091/v1/audio/generate \
+    -H "Content-Type: application/json" \
+    -d '{
+        "input": "Ocean waves crashing on a beach",
+        "audio_length": 8.0,
+        "num_inference_steps": 50
+    }' --output ocean.wav
+
+echo "All examples completed!"