fixes for 3.1: mark bt as deprecated, bugfixes for pulse, gtk and edid.

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Merge remote-tracking branch 'remotes/kraxel/tags/fixes-31-20181112-pull-request' into staging

fixes for 3.1: mark bt as deprecated, bugfixes for pulse, gtk and edid.

# gpg: Signature made Mon 12 Nov 2018 15:14:58 GMT
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/fixes-31-20181112-pull-request:
  ui/gtk: fix cursor in egl mode
  pulseaudio: process audio data in smaller chunks
  edid: silence a stringop-overflow warning
  bt: Mark the bluetooth subsystem as deprecated

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

audio/paaudio.c

@@ -227,7 +227,7 @@ static void *qpa_thread_out (void *arg)
             }
         }
 
-        decr = to_mix = audio_MIN (pa->live, pa->g->conf.samples >> 2);
+        decr = to_mix = audio_MIN(pa->live, pa->g->conf.samples >> 5);
         rpos = pa->rpos;
 
         if (audio_pt_unlock(&pa->pt, __func__)) {
@@ -319,7 +319,7 @@ static void *qpa_thread_in (void *arg)
             }
         }
 
-        incr = to_grab = audio_MIN (pa->dead, pa->g->conf.samples >> 2);
+        incr = to_grab = audio_MIN(pa->dead, pa->g->conf.samples >> 5);
         wpos = pa->wpos;
 
         if (audio_pt_unlock(&pa->pt, __func__)) {

hw/display/edid-generate.c

@@ -165,7 +165,7 @@ static void edid_desc_text(uint8_t *desc, uint8_t type,
     if (len > 12) {
         len = 12;
     }
-    strncpy((char *)(desc + 5), text, len);
+    memcpy(desc + 5, text, len);
     desc[5 + len] = '\n';
 }
 

qemu-deprecated.texi

@@ -128,6 +128,13 @@ The @option{[hub_id name]} parameter tuple of the 'hostfwd_add' and
 The ``ivshmem'' device type is replaced by either the ``ivshmem-plain''
 or ``ivshmem-doorbell`` device types.
 
+@subsection bluetooth (since 3.1)
+
+The bluetooth subsystem is unmaintained since many years and likely bitrotten
+quite a bit. It will be removed without replacement unless some users speaks
+up at the @email{qemu-devel@@nongnu.org} mailing list with information about
+their usecases.
+
 @section System emulator machines
 
 @subsection pc-0.10 and pc-0.11 (since 3.0)

qemu-options.hx

@@ -2772,6 +2772,10 @@ logic.  The Transport Layer is decided by the machine type.  Currently
 the machines @code{n800} and @code{n810} have one HCI and all other
 machines have none.
 
+Note: This option and the whole bluetooth subsystem is considered as deprecated.
+If you still use it, please send a mail to @email{qemu-devel@@nongnu.org} where
+you describe your usecase.
+
 @anchor{bt-hcis}
 The following three types are recognized:
 

ui/gtk-egl.c

@@ -68,8 +68,15 @@ void gd_egl_draw(VirtualConsole *vc)
         return;
     }
 
+    window = gtk_widget_get_window(vc->gfx.drawing_area);
+    ww = gdk_window_get_width(window);
+    wh = gdk_window_get_height(window);
+
     if (vc->gfx.scanout_mode) {
         gd_egl_scanout_flush(&vc->gfx.dcl, 0, 0, vc->gfx.w, vc->gfx.h);
+
+        vc->gfx.scale_x = (double)ww / vc->gfx.w;
+        vc->gfx.scale_y = (double)wh / vc->gfx.h;
     } else {
         if (!vc->gfx.ds) {
             return;
@@ -77,13 +84,13 @@ void gd_egl_draw(VirtualConsole *vc)
         eglMakeCurrent(qemu_egl_display, vc->gfx.esurface,
                        vc->gfx.esurface, vc->gfx.ectx);
 
-        window = gtk_widget_get_window(vc->gfx.drawing_area);
-        ww = gdk_window_get_width(window);
-        wh = gdk_window_get_height(window);
         surface_gl_setup_viewport(vc->gfx.gls, vc->gfx.ds, ww, wh);
         surface_gl_render_texture(vc->gfx.gls, vc->gfx.ds);
 
         eglSwapBuffers(qemu_egl_display, vc->gfx.esurface);
+
+        vc->gfx.scale_x = (double)ww / surface_width(vc->gfx.ds);
+        vc->gfx.scale_y = (double)wh / surface_height(vc->gfx.ds);
     }
 }
 
@@ -232,8 +239,8 @@ void gd_egl_cursor_position(DisplayChangeListener *dcl,
 {
     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 
-    vc->gfx.cursor_x = pos_x;
+    vc->gfx.cursor_x = pos_x * vc->gfx.scale_x;
-    vc->gfx.cursor_y = pos_y;
+    vc->gfx.cursor_y = pos_y * vc->gfx.scale_y;
 }
 
 void gd_egl_release_dmabuf(DisplayChangeListener *dcl,

vl.c

@@ -3269,6 +3269,10 @@ int main(int argc, char **argv, char **envp)
                 break;
 #endif
             case QEMU_OPTION_bt:
+                warn_report("The bluetooth subsystem is deprecated and will "
+                            "be removed soon. If the bluetooth subsystem is "
+                            "still useful for you, please send a mail to "
+                            "qemu-devel@nongnu.org with your usecase.");
                 add_device_config(DEV_BT, optarg);
                 break;
             case QEMU_OPTION_audio_help: