From f6061733a96314ccb732efe6c91357d66f8970af Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Fri, 22 Sep 2023 19:13:44 +0200 Subject: [PATCH] audio: allow returning an error from the driver init MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit An error is already printed by audio_driver_init, but we can make it more precise if the driver can return an Error *. Reviewed-by: Daniel P. Berrangé Signed-off-by: Paolo Bonzini --- audio/alsaaudio.c | 2 +- audio/audio.c | 13 ++++++++++--- audio/audio_int.h | 2 +- audio/coreaudio.m | 2 +- audio/dbusaudio.c | 2 +- audio/dsoundaudio.c | 2 +- audio/jackaudio.c | 2 +- audio/noaudio.c | 2 +- audio/ossaudio.c | 11 ++++++++--- audio/paaudio.c | 7 +++++-- audio/pwaudio.c | 16 +++++++++------- audio/sdlaudio.c | 5 +++-- audio/sndioaudio.c | 2 +- audio/spiceaudio.c | 5 ++++- audio/wavaudio.c | 2 +- 15 files changed, 48 insertions(+), 27 deletions(-) diff --git a/audio/alsaaudio.c b/audio/alsaaudio.c index 057571dd1e..6fb78e5b97 100644 --- a/audio/alsaaudio.c +++ b/audio/alsaaudio.c @@ -904,7 +904,7 @@ static void alsa_init_per_direction(AudiodevAlsaPerDirectionOptions *apdo) } } -static void *alsa_audio_init(Audiodev *dev) +static void *alsa_audio_init(Audiodev *dev, Error **errp) { AudiodevAlsaOptions *aopts; assert(dev->driver == AUDIODEV_DRIVER_ALSA); diff --git a/audio/audio.c b/audio/audio.c index d4387cb3e2..fdc34a7752 100644 --- a/audio/audio.c +++ b/audio/audio.c @@ -33,6 +33,7 @@ #include "qapi/qapi-visit-audio.h" #include "qapi/qapi-commands-audio.h" #include "qemu/cutils.h" +#include "qemu/error-report.h" #include "qemu/log.h" #include "qemu/module.h" #include "qemu/help_option.h" @@ -1555,7 +1556,9 @@ size_t audio_generic_read(HWVoiceIn *hw, void *buf, size_t size) static int audio_driver_init(AudioState *s, struct audio_driver *drv, bool msg, Audiodev *dev) { - s->drv_opaque = drv->init(dev); + Error *local_err = NULL; + + s->drv_opaque = drv->init(dev, &local_err); if (s->drv_opaque) { if (!drv->pcm_ops->get_buffer_in) { @@ -1572,8 +1575,12 @@ static int audio_driver_init(AudioState *s, struct audio_driver *drv, s->drv = drv; return 0; } else { - if (msg) { - dolog("Could not init `%s' audio driver\n", drv->name); + if (!msg) { + error_free(local_err); + } else if (local_err) { + error_report_err(local_err); + } else { + error_report("Could not init `%s' audio driver", drv->name); } return -1; } diff --git a/audio/audio_int.h b/audio/audio_int.h index e57ff50155..06e815de9f 100644 --- a/audio/audio_int.h +++ b/audio/audio_int.h @@ -140,7 +140,7 @@ typedef struct audio_driver audio_driver; struct audio_driver { const char *name; const char *descr; - void *(*init) (Audiodev *); + void *(*init) (Audiodev *, Error **); void (*fini) (void *); #ifdef CONFIG_GIO void (*set_dbus_server) (AudioState *s, GDBusObjectManagerServer *manager, bool p2p); diff --git a/audio/coreaudio.m b/audio/coreaudio.m index 4695291621..7cfb38fb6a 100644 --- a/audio/coreaudio.m +++ b/audio/coreaudio.m @@ -644,7 +644,7 @@ static void coreaudio_enable_out(HWVoiceOut *hw, bool enable) update_device_playback_state(core); } -static void *coreaudio_audio_init(Audiodev *dev) +static void *coreaudio_audio_init(Audiodev *dev, Error **errp) { return dev; } diff --git a/audio/dbusaudio.c b/audio/dbusaudio.c index 7a11fbfb42..310ca997ff 100644 --- a/audio/dbusaudio.c +++ b/audio/dbusaudio.c @@ -395,7 +395,7 @@ dbus_enable_in(HWVoiceIn *hw, bool enable) } static void * -dbus_audio_init(Audiodev *dev) +dbus_audio_init(Audiodev *dev, Error **errp) { DBusAudio *da = g_new0(DBusAudio, 1); diff --git a/audio/dsoundaudio.c b/audio/dsoundaudio.c index 3fb67ec3ee..eefde88edc 100644 --- a/audio/dsoundaudio.c +++ b/audio/dsoundaudio.c @@ -619,7 +619,7 @@ static void dsound_audio_fini (void *opaque) g_free(s); } -static void *dsound_audio_init(Audiodev *dev) +static void *dsound_audio_init(Audiodev *dev, Error **errp) { int err; HRESULT hr; diff --git a/audio/jackaudio.c b/audio/jackaudio.c index e1eaa3477d..823e7d96ba 100644 --- a/audio/jackaudio.c +++ b/audio/jackaudio.c @@ -645,7 +645,7 @@ static int qjack_thread_creator(jack_native_thread_t *thread, } #endif -static void *qjack_init(Audiodev *dev) +static void *qjack_init(Audiodev *dev, Error **errp) { assert(dev->driver == AUDIODEV_DRIVER_JACK); return dev; diff --git a/audio/noaudio.c b/audio/noaudio.c index 4fdee5adec..a36bfeffd1 100644 --- a/audio/noaudio.c +++ b/audio/noaudio.c @@ -104,7 +104,7 @@ static void no_enable_in(HWVoiceIn *hw, bool enable) } } -static void *no_audio_init(Audiodev *dev) +static void *no_audio_init(Audiodev *dev, Error **errp) { return &no_audio_init; } diff --git a/audio/ossaudio.c b/audio/ossaudio.c index e8d732b612..ec4448d573 100644 --- a/audio/ossaudio.c +++ b/audio/ossaudio.c @@ -28,6 +28,7 @@ #include "qemu/main-loop.h" #include "qemu/module.h" #include "qemu/host-utils.h" +#include "qapi/error.h" #include "audio.h" #include "trace.h" @@ -736,7 +737,7 @@ static void oss_init_per_direction(AudiodevOssPerDirectionOptions *opdo) } } -static void *oss_audio_init(Audiodev *dev) +static void *oss_audio_init(Audiodev *dev, Error **errp) { AudiodevOssOptions *oopts; assert(dev->driver == AUDIODEV_DRIVER_OSS); @@ -745,8 +746,12 @@ static void *oss_audio_init(Audiodev *dev) oss_init_per_direction(oopts->in); oss_init_per_direction(oopts->out); - if (access(oopts->in->dev ?: "/dev/dsp", R_OK | W_OK) < 0 || - access(oopts->out->dev ?: "/dev/dsp", R_OK | W_OK) < 0) { + if (access(oopts->in->dev ?: "/dev/dsp", R_OK | W_OK) < 0) { + error_setg_errno(errp, errno, "%s not accessible", oopts->in->dev ?: "/dev/dsp"); + return NULL; + } + if (access(oopts->out->dev ?: "/dev/dsp", R_OK | W_OK) < 0) { + error_setg_errno(errp, errno, "%s not accessible", oopts->out->dev ?: "/dev/dsp"); return NULL; } return dev; diff --git a/audio/paaudio.c b/audio/paaudio.c index 529b39daac..39bd6cfa38 100644 --- a/audio/paaudio.c +++ b/audio/paaudio.c @@ -3,7 +3,7 @@ #include "qemu/osdep.h" #include "qemu/module.h" #include "audio.h" -#include "qapi/opts-visitor.h" +#include "qapi/error.h" #include @@ -818,7 +818,7 @@ fail: return NULL; } -static void *qpa_audio_init(Audiodev *dev) +static void *qpa_audio_init(Audiodev *dev, Error **errp) { paaudio *g; AudiodevPaOptions *popts = &dev->u.pa; @@ -834,10 +834,12 @@ static void *qpa_audio_init(Audiodev *dev) runtime = getenv("XDG_RUNTIME_DIR"); if (!runtime) { + error_setg(errp, "XDG_RUNTIME_DIR not set"); return NULL; } snprintf(pidfile, sizeof(pidfile), "%s/pulse/pid", runtime); if (stat(pidfile, &st) != 0) { + error_setg_errno(errp, errno, "could not stat pidfile %s", pidfile); return NULL; } } @@ -867,6 +869,7 @@ static void *qpa_audio_init(Audiodev *dev) } if (!g->conn) { g_free(g); + error_setg(errp, "could not connect to PulseAudio server"); return NULL; } diff --git a/audio/pwaudio.c b/audio/pwaudio.c index b6a38738ee..1020cb11df 100644 --- a/audio/pwaudio.c +++ b/audio/pwaudio.c @@ -13,6 +13,7 @@ #include "audio.h" #include #include "qemu/error-report.h" +#include "qapi/error.h" #include #include #include @@ -736,7 +737,7 @@ static const struct pw_core_events core_events = { }; static void * -qpw_audio_init(Audiodev *dev) +qpw_audio_init(Audiodev *dev, Error **errp) { g_autofree pwaudio *pw = g_new0(pwaudio, 1); @@ -748,19 +749,19 @@ qpw_audio_init(Audiodev *dev) pw->dev = dev; pw->thread_loop = pw_thread_loop_new("PipeWire thread loop", NULL); if (pw->thread_loop == NULL) { - error_report("Could not create PipeWire loop: %s", g_strerror(errno)); + error_setg_errno(errp, errno, "Could not create PipeWire loop"); goto fail; } pw->context = pw_context_new(pw_thread_loop_get_loop(pw->thread_loop), NULL, 0); if (pw->context == NULL) { - error_report("Could not create PipeWire context: %s", g_strerror(errno)); + error_setg_errno(errp, errno, "Could not create PipeWire context"); goto fail; } if (pw_thread_loop_start(pw->thread_loop) < 0) { - error_report("Could not start PipeWire loop: %s", g_strerror(errno)); + error_setg_errno(errp, errno, "Could not start PipeWire loop"); goto fail; } @@ -769,13 +770,13 @@ qpw_audio_init(Audiodev *dev) pw->core = pw_context_connect(pw->context, NULL, 0); if (pw->core == NULL) { pw_thread_loop_unlock(pw->thread_loop); - goto fail; + goto fail_error; } if (pw_core_add_listener(pw->core, &pw->core_listener, &core_events, pw) < 0) { pw_thread_loop_unlock(pw->thread_loop); - goto fail; + goto fail_error; } if (wait_resync(pw) < 0) { pw_thread_loop_unlock(pw->thread_loop); @@ -785,8 +786,9 @@ qpw_audio_init(Audiodev *dev) return g_steal_pointer(&pw); +fail_error: + error_setg(errp, "Failed to initialize PW context"); fail: - AUD_log(AUDIO_CAP, "Failed to initialize PW context"); if (pw->thread_loop) { pw_thread_loop_stop(pw->thread_loop); } diff --git a/audio/sdlaudio.c b/audio/sdlaudio.c index 68a237b76b..4d8473d9ec 100644 --- a/audio/sdlaudio.c +++ b/audio/sdlaudio.c @@ -26,6 +26,7 @@ #include #include #include "qemu/module.h" +#include "qapi/error.h" #include "audio.h" #ifndef _WIN32 @@ -449,10 +450,10 @@ static void sdl_enable_in(HWVoiceIn *hw, bool enable) SDL_PauseAudioDevice(sdl->devid, !enable); } -static void *sdl_audio_init(Audiodev *dev) +static void *sdl_audio_init(Audiodev *dev, Error **errp) { if (SDL_InitSubSystem (SDL_INIT_AUDIO)) { - sdl_logerr ("SDL failed to initialize audio subsystem\n"); + error_setg(errp, "SDL failed to initialize audio subsystem"); return NULL; } diff --git a/audio/sndioaudio.c b/audio/sndioaudio.c index 3fde01fdbd..1e35925a49 100644 --- a/audio/sndioaudio.c +++ b/audio/sndioaudio.c @@ -518,7 +518,7 @@ static void sndio_fini_in(HWVoiceIn *hw) sndio_fini(self); } -static void *sndio_audio_init(Audiodev *dev) +static void *sndio_audio_init(Audiodev *dev, Error **errp) { assert(dev->driver == AUDIODEV_DRIVER_SNDIO); return dev; diff --git a/audio/spiceaudio.c b/audio/spiceaudio.c index d17ef1a25e..7f02f7285c 100644 --- a/audio/spiceaudio.c +++ b/audio/spiceaudio.c @@ -22,6 +22,7 @@ #include "qemu/module.h" #include "qemu/error-report.h" #include "qemu/timer.h" +#include "qapi/error.h" #include "ui/qemu-spice.h" #define AUDIO_CAP "spice" @@ -71,11 +72,13 @@ static const SpiceRecordInterface record_sif = { .base.minor_version = SPICE_INTERFACE_RECORD_MINOR, }; -static void *spice_audio_init(Audiodev *dev) +static void *spice_audio_init(Audiodev *dev, Error **errp) { if (!using_spice) { + error_setg(errp, "Cannot use spice audio without -spice"); return NULL; } + return &spice_audio_init; } diff --git a/audio/wavaudio.c b/audio/wavaudio.c index 6445a2cb90..26b03906d5 100644 --- a/audio/wavaudio.c +++ b/audio/wavaudio.c @@ -182,7 +182,7 @@ static void wav_enable_out(HWVoiceOut *hw, bool enable) } } -static void *wav_audio_init(Audiodev *dev) +static void *wav_audio_init(Audiodev *dev, Error **errp) { assert(dev->driver == AUDIODEV_DRIVER_WAV); return dev; -- 2.11.0