paaudio: comment bugs in functions qpa_init_*

The audio buffer size in audio/paaudio.c is typically larger
than expected. Just comment the bugs in qpa_init_in() and
qpa_init_out() for now. Fixing these bugs may break glitch free
audio playback with fine tuned user audio settings.

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-id: 9315afe5-5958-c0b4-ea1e-14769511a9d5@t-online.de
Message-Id: <20210110100239.27588-17-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

audio/paaudio.c

@@ -538,6 +538,10 @@ static int qpa_init_out(HWVoiceOut *hw, struct audsettings *as,
     }
 
     audio_pcm_init_info (&hw->info, &obt_as);
+    /*
+     * This is wrong. hw->samples counts in frames. hw->samples will be
+     * number of channels times larger than expected.
+     */
     hw->samples = audio_buffer_samples(
         qapi_AudiodevPaPerDirectionOptions_base(ppdo), &obt_as, 46440);
 
@@ -585,6 +589,10 @@ static int qpa_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
     }
 
     audio_pcm_init_info (&hw->info, &obt_as);
+    /*
+     * This is wrong. hw->samples counts in frames. hw->samples will be
+     * number of channels times larger than expected.
+     */
     hw->samples = audio_buffer_samples(
         qapi_AudiodevPaPerDirectionOptions_base(ppdo), &obt_as, 46440);