From 9b64861afd82c33e37773418f2556d97c0e20259 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 13 Feb 2026 01:29:41 +0000
Subject: [PATCH 1/3] Initial plan


From 5ab839ff68f7054312941634b861e8bc762aff8a Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 13 Feb 2026 01:34:10 +0000
Subject: [PATCH 2/3] Add PulseAudio detection and fix audio playback backend
 integration

Co-authored-by: infinityabundance <255699974+infinityabundance@users.noreply.github.com>
---
 CMakeLists.txt | 6 ++++++
 src/network.c  | 5 ++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5490008..fd7e5a4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -72,6 +72,7 @@ if(UNIX AND NOT APPLE)
     pkg_check_modules(DRM REQUIRED libdrm)
     pkg_check_modules(VAAPI libva libva-drm)
     pkg_check_modules(ALSA REQUIRED alsa)
+    pkg_check_modules(PULSEAUDIO libpulse-simple libpulse)
 
     if(NOT HEADLESS)
         pkg_check_modules(GTK3 REQUIRED gtk+-3.0)
@@ -93,6 +94,10 @@ if(UNIX AND NOT APPLE)
     if(X11_FOUND)
         add_compile_definitions(HAVE_X11)
     endif()
+
+    if(PULSEAUDIO_FOUND)
+        add_compile_definitions(HAVE_PULSEAUDIO)
+    endif()
 endif()
 
 if(WIN32)
@@ -400,6 +405,7 @@ message(STATUS "  Build Client:  ${BUILD_CLIENT}")
 message(STATUS "  Headless:      ${HEADLESS}")
 if(UNIX)
     message(STATUS "  VA-API:        ${VAAPI_FOUND}")
+    message(STATUS "  PulseAudio:    ${PULSEAUDIO_FOUND}")
     message(STATUS "  Avahi:         ${AVAHI_FOUND}")
 endif()
 message(STATUS "")
diff --git a/src/network.c b/src/network.c
index 7bf30df..3466bf2 100644
--- a/src/network.c
+++ b/src/network.c
@@ -617,7 +617,10 @@ int rootstream_net_recv(rootstream_ctx_t *ctx, int timeout_ms) {
                     }
 
                     if (!drop_audio) {
-                        audio_playback_write(ctx, pcm_buffer, pcm_samples);
+                        /* Use audio playback backend if available */
+                        if (ctx->audio_playback_backend && ctx->audio_playback_backend->playback_fn) {
+                            ctx->audio_playback_backend->playback_fn(ctx, pcm_buffer, pcm_samples);
+                        }
                         ctx->last_audio_ts_us = header.timestamp_us;
                     }
                 } else {

From 8936b51c368480d97dbc3e99ceb85079e346843a Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 13 Feb 2026 01:35:43 +0000
Subject: [PATCH 3/3] Add warning when audio playback backend is unavailable

Co-authored-by: infinityabundance <255699974+infinityabundance@users.noreply.github.com>
---
 src/network.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/network.c b/src/network.c
index 3466bf2..4a4fb4d 100644
--- a/src/network.c
+++ b/src/network.c
@@ -620,6 +620,13 @@ int rootstream_net_recv(rootstream_ctx_t *ctx, int timeout_ms) {
                         /* Use audio playback backend if available */
                         if (ctx->audio_playback_backend && ctx->audio_playback_backend->playback_fn) {
                             ctx->audio_playback_backend->playback_fn(ctx, pcm_buffer, pcm_samples);
+                        } else {
+                            /* Warn once if audio backend is not available */
+                            static bool warned_no_backend = false;
+                            if (!warned_no_backend) {
+                                fprintf(stderr, "WARNING: No audio playback backend available, audio will be dropped\n");
+                                warned_no_backend = true;
+                            }
                         }
                         ctx->last_audio_ts_us = header.timestamp_us;
                     }