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Merged
infinityabundance merged 4 commits into from
Feb 13, 2026
Merged

Add PipeWire audio fallback for modern Linux distributions #39

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6620775
Initial plan
Copilot Feb 13, 2026
1186ae2
Add PipeWire audio fallback implementation
Copilot Feb 13, 2026
77ace54
Fix HAVE_PULSE macro to HAVE_PULSEAUDIO in diagnostics
Copilot Feb 13, 2026
8b42390
Address code review feedback: add pw_deinit, debug logging, and renam…
Copilot Feb 13, 2026
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19 changes: 19 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -73,6 +73,7 @@ if(UNIX AND NOT APPLE)
pkg_check_modules(VAAPI libva libva-drm)
pkg_check_modules(ALSA REQUIRED alsa)
pkg_check_modules(PULSEAUDIO libpulse-simple libpulse)
pkg_check_modules(PIPEWIRE libpipewire-0.3)

if(NOT HEADLESS)
pkg_check_modules(GTK3 REQUIRED gtk+-3.0)
Expand All @@ -98,6 +99,10 @@ if(UNIX AND NOT APPLE)
if(PULSEAUDIO_FOUND)
add_compile_definitions(HAVE_PULSEAUDIO)
endif()

if(PIPEWIRE_FOUND)
add_compile_definitions(HAVE_PIPEWIRE)
endif()
endif()

if(WIN32)
Expand Down Expand Up @@ -151,6 +156,8 @@ set(LINUX_SOURCES
src/audio_playback.c
src/audio_capture_pulse.c
src/audio_playback_pulse.c
src/audio_capture_pipewire.c
src/audio_playback_pipewire.c
src/audio_capture_dummy.c
src/audio_playback_dummy.c
src/input.c
Expand Down Expand Up @@ -233,6 +240,11 @@ if(UNIX AND NOT APPLE)
target_include_directories(rootstream PRIVATE ${PULSEAUDIO_INCLUDE_DIRS})
endif()

if(PIPEWIRE_FOUND)
target_link_libraries(rootstream PRIVATE ${PIPEWIRE_LIBRARIES})
target_include_directories(rootstream PRIVATE ${PIPEWIRE_INCLUDE_DIRS})
endif()

if(NOT HEADLESS AND GTK3_FOUND)
target_link_libraries(rootstream PRIVATE ${GTK3_LIBRARIES})
target_include_directories(rootstream PRIVATE ${GTK3_INCLUDE_DIRS})
Expand Down Expand Up @@ -277,6 +289,7 @@ if(UNIX AND NOT APPLE)
src/opus_codec.c
src/audio_playback.c
src/audio_playback_pulse.c
src/audio_playback_pipewire.c
src/audio_playback_dummy.c
src/latency.c
${PLATFORM_SOURCES}
Expand All @@ -301,6 +314,11 @@ if(UNIX AND NOT APPLE)
target_include_directories(rstr-player PRIVATE ${PULSEAUDIO_INCLUDE_DIRS})
endif()

if(PIPEWIRE_FOUND)
target_link_libraries(rstr-player PRIVATE ${PIPEWIRE_LIBRARIES})
target_include_directories(rstr-player PRIVATE ${PIPEWIRE_INCLUDE_DIRS})
endif()

if(Opus_FOUND)
target_link_libraries(rstr-player PRIVATE Opus::opus)
else()
Expand Down Expand Up @@ -406,6 +424,7 @@ message(STATUS " Headless: ${HEADLESS}")
if(UNIX)
message(STATUS " VA-API: ${VAAPI_FOUND}")
message(STATUS " PulseAudio: ${PULSEAUDIO_FOUND}")
message(STATUS " PipeWire: ${PIPEWIRE_FOUND}")
message(STATUS " Avahi: ${AVAHI_FOUND}")
endif()
message(STATUS "")
13 changes: 13 additions & 0 deletions include/rootstream.h
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Original file line number Diff line number Diff line change
Expand Up @@ -697,6 +697,19 @@ int audio_playback_write_pulse(rootstream_ctx_t *ctx, int16_t *samples,
size_t num_samples);
void audio_playback_cleanup_pulse(rootstream_ctx_t *ctx);

/* Audio backends - PipeWire */
bool audio_capture_pipewire_available(void);
int audio_capture_init_pipewire(rootstream_ctx_t *ctx);
int audio_capture_frame_pipewire(rootstream_ctx_t *ctx, int16_t *samples,
size_t *num_samples);
void audio_capture_cleanup_pipewire(rootstream_ctx_t *ctx);

bool audio_playback_pipewire_available(void);
int audio_playback_init_pipewire(rootstream_ctx_t *ctx);
int audio_playback_write_pipewire(rootstream_ctx_t *ctx, const int16_t *samples,
size_t num_samples);
void audio_playback_cleanup_pipewire(rootstream_ctx_t *ctx);

/* Audio backends - Dummy (silent/discard) */
int audio_capture_init_dummy(rootstream_ctx_t *ctx);
int audio_capture_frame_dummy(rootstream_ctx_t *ctx, int16_t *samples,
Expand Down
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