@samitouri / QOSamiQemu / commits / 358b0519e7

audio: rework invalid audsettings error

Currently, when given invalid settings, QEMU will print to stderr: A bug was just triggered in audio_mixeng_backend_open_out Save all your work and restart without audio I am sorry Context: audio: frequency=44100 nchannels=0 fmt=S16 endianness=little Now it will use error_report() and simply report: audio: Invalid audio settings: frequency=44100 nchannels=0 fmt=s16 endian=little Reviewed-by: Mark Cave-Ayland <mark.caveayland@nutanix.com> Reviewed-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>

Marc-André Lureau committed Jan 22, 2026 at 01:51 UTC 358b0519e7c8f2a34399126a58a3a95ef681653d
2 files changed +10 -36
audio/audio-mixeng-be.c
+7 -34
@@ -101,38 +101,11 @@ void AUD_log (const char *cap, const char *fmt, ...)
101 va_end (ap);
102 }
103
104 -static void audio_print_settings (const struct audsettings *as)
104 +static char *audsettings_to_string(const struct audsettings *as)
105 {
106 - dolog ("frequency=%d nchannels=%d fmt=", as->freq, as->nchannels);
107 -
108 - switch (as->fmt) {
109 - case AUDIO_FORMAT_S8:
110 - AUD_log (NULL, "S8");
111 - break;
112 - case AUDIO_FORMAT_U8:
113 - AUD_log (NULL, "U8");
114 - break;
115 - case AUDIO_FORMAT_S16:
116 - AUD_log (NULL, "S16");
117 - break;
118 - case AUDIO_FORMAT_U16:
119 - AUD_log (NULL, "U16");
120 - break;
121 - case AUDIO_FORMAT_S32:
122 - AUD_log (NULL, "S32");
123 - break;
124 - case AUDIO_FORMAT_U32:
125 - AUD_log (NULL, "U32");
126 - break;
127 - case AUDIO_FORMAT_F32:
128 - AUD_log (NULL, "F32");
129 - break;
130 - default:
131 - AUD_log (NULL, "invalid(%d)", as->fmt);
132 - break;
133 - }
134 -
135 - AUD_log (NULL, " endianness=%s\n", as->big_endian ? "big" : "little");
106 + return g_strdup_printf("frequency=%d nchannels=%d fmt=%s endian=%s",
107 + as->freq, as->nchannels, AudioFormat_str(as->fmt),
108 + as->big_endian ? "big" : "little");
109 }
110
111 static int audio_validate_settings (const struct audsettings *as)
@@ -1607,9 +1580,9 @@ static CaptureVoiceOut *audio_mixeng_backend_add_capture(
1580 return NULL;
1581 }
1582
1610 - if (audio_validate_settings (as)) {
1611 - dolog ("Invalid settings were passed when trying to add capture\n");
1612 - audio_print_settings (as);
1583 + if (audio_validate_settings(as)) {
1584 + g_autofree char *str = audsettings_to_string(as);
1585 + error_report("audio: Invalid audio settings when trying to add capture: %s", str);
1586 return NULL;
1587 }
1588
audio/audio_template.h
+3 -2
@@ -513,8 +513,9 @@ static SW *glue(audio_mixeng_backend_open_, TYPE) (
513 trace_audio_open_in(name, as->freq, as->nchannels, as->fmt);
514 #endif
515
516 - if (audio_bug(__func__, audio_validate_settings(as))) {
517 - audio_print_settings (as);
516 + if (audio_validate_settings(as)) {
517 + g_autofree char *str = audsettings_to_string(as);
518 + error_report("audio: Invalid audio settings: %s", str);
519 goto fail;
520 }
521