From d2cc930975a8c7a2a073a9bffd9c2576d58cff7b Mon Sep 17 00:00:00 2001
From: Colin Kinloch <colin.kinloch@collabora.com>
Date: Thu, 22 May 2025 18:50:41 +0100
Subject: [PATCH] Add app name SDL hint

This allows pulseaudio to label the audio stream "scrcpy" rather than
"SDL Application".

PR #6107 <https://github.com/Genymobile/scrcpy/pull/6107>

Signed-off-by: Romain Vimont <rom@rom1v.com>
---
 app/src/compat.h |  8 ++++++++
 app/src/scrcpy.c | 11 +++++++++++
 2 files changed, 19 insertions(+)

diff --git a/app/src/compat.h b/app/src/compat.h
index 1995d384..296d1a9f 100644
--- a/app/src/compat.h
+++ b/app/src/compat.h
@@ -75,6 +75,14 @@
 # define SCRCPY_SDL_HAS_THREAD_PRIORITY_TIME_CRITICAL
 #endif
 
+#if SDL_VERSION_ATLEAST(2, 0, 18)
+# define SCRCPY_SDL_HAS_HINT_APP_NAME
+#endif
+
+#if SDL_VERSION_ATLEAST(2, 0, 14)
+# define SCRCPY_SDL_HAS_HINT_AUDIO_DEVICE_APP_NAME
+#endif
+
 #ifndef HAVE_STRDUP
 char *strdup(const char *s);
 #endif
diff --git a/app/src/scrcpy.c b/app/src/scrcpy.c
index 4d08e667..a4c8c340 100644
--- a/app/src/scrcpy.c
+++ b/app/src/scrcpy.c
@@ -107,6 +107,17 @@ sdl_set_hints(const char *render_driver) {
         LOGW("Could not set render driver");
     }
 
+    // App name used in various contexts (such as PulseAudio)
+#if defined(SCRCPY_SDL_HAS_HINT_APP_NAME)
+    if (!SDL_SetHint(SDL_HINT_APP_NAME, "scrcpy")) {
+        LOGW("Could not set app name");
+    }
+#elif defined(SCRCPY_SDL_HAS_HINT_AUDIO_DEVICE_APP_NAME)
+    if (!SDL_SetHint(SDL_HINT_AUDIO_DEVICE_APP_NAME, "scrcpy")) {
+        LOGW("Could not set audio device app name");
+    }
+#endif
+
     // Linear filtering
     if (!SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "1")) {
         LOGW("Could not enable linear filtering");