xen: Introduce xen_modified_memory.

[mirror_qemu.git] / audio / alsaaudio.c

diff --git a/audio/alsaaudio.c b/audio/alsaaudio.c
index f0171f9842a4476c3cb3aa78fb9c7695b8e5ba5f..cb45b49c2ae44cbf5087c14da59bee64311bfab4 100644 (file)
--- a/audio/alsaaudio.c
+++ b/audio/alsaaudio.c
@@ -136,7 +136,7 @@ static void alsa_fini_poll (struct pollhlp *hlp)
         for (i = 0; i < hlp->count; ++i) {
             qemu_set_fd_handler (pfds[i].fd, NULL, NULL, NULL);
         }
-        qemu_free (pfds);
+        g_free (pfds);
     }
     hlp->pfds = NULL;
     hlp->count = 0;
@@ -260,7 +260,7 @@ static int alsa_poll_helper (snd_pcm_t *handle, struct pollhlp *hlp, int mask)
     if (err < 0) {
         alsa_logerr (err, "Could not initialize poll mode\n"
                      "Could not obtain poll descriptors\n");
-        qemu_free (pfds);
+        g_free (pfds);
         return -1;
     }
 
@@ -288,7 +288,7 @@ static int alsa_poll_helper (snd_pcm_t *handle, struct pollhlp *hlp, int mask)
             while (i--) {
                 qemu_set_fd_handler (pfds[i].fd, NULL, NULL, NULL);
             }
-            qemu_free (pfds);
+            g_free (pfds);
             return -1;
         }
     }
@@ -318,7 +318,7 @@ static int alsa_write (SWVoiceOut *sw, void *buf, int len)
     return audio_pcm_sw_write (sw, buf, len);
 }
 
-static snd_pcm_format_t aud_to_alsafmt (audfmt_e fmt)
+static snd_pcm_format_t aud_to_alsafmt (audfmt_e fmt, int endianness)
 {
     switch (fmt) {
     case AUD_FMT_S8:
@@ -328,16 +328,36 @@ static snd_pcm_format_t aud_to_alsafmt (audfmt_e fmt)
         return SND_PCM_FORMAT_U8;
 
     case AUD_FMT_S16:
-        return SND_PCM_FORMAT_S16_LE;
+        if (endianness) {
+            return SND_PCM_FORMAT_S16_BE;
+        }
+        else {
+            return SND_PCM_FORMAT_S16_LE;
+        }
 
     case AUD_FMT_U16:
-        return SND_PCM_FORMAT_U16_LE;
+        if (endianness) {
+            return SND_PCM_FORMAT_U16_BE;
+        }
+        else {
+            return SND_PCM_FORMAT_U16_LE;
+        }
 
     case AUD_FMT_S32:
-        return SND_PCM_FORMAT_S32_LE;
+        if (endianness) {
+            return SND_PCM_FORMAT_S32_BE;
+        }
+        else {
+            return SND_PCM_FORMAT_S32_LE;
+        }
 
     case AUD_FMT_U32:
-        return SND_PCM_FORMAT_U32_LE;
+        if (endianness) {
+            return SND_PCM_FORMAT_U32_BE;
+        }
+        else {
+            return SND_PCM_FORMAT_U32_LE;
+        }
 
     default:
         dolog ("Internal logic error: Bad audio format %d\n", fmt);
@@ -796,7 +816,7 @@ static void alsa_fini_out (HWVoiceOut *hw)
     alsa_anal_close (&alsa->handle, &alsa->pollhlp);
 
     if (alsa->pcm_buf) {
-        qemu_free (alsa->pcm_buf);
+        g_free (alsa->pcm_buf);
         alsa->pcm_buf = NULL;
     }
 }
@@ -809,7 +829,7 @@ static int alsa_init_out (HWVoiceOut *hw, struct audsettings *as)
     snd_pcm_t *handle;
     struct audsettings obt_as;
 
-    req.fmt = aud_to_alsafmt (as->fmt);
+    req.fmt = aud_to_alsafmt (as->fmt, as->endianness);
     req.freq = as->freq;
     req.nchannels = as->nchannels;
     req.period_size = conf.period_size_out;
@@ -843,11 +863,15 @@ static int alsa_init_out (HWVoiceOut *hw, struct audsettings *as)
     return 0;
 }
 
-static int alsa_voice_ctl (snd_pcm_t *handle, const char *typ, int pause)
+#define VOICE_CTL_PAUSE 0
+#define VOICE_CTL_PREPARE 1
+#define VOICE_CTL_START 2
+
+static int alsa_voice_ctl (snd_pcm_t *handle, const char *typ, int ctl)
 {
     int err;
 
-    if (pause) {
+    if (ctl == VOICE_CTL_PAUSE) {
         err = snd_pcm_drop (handle);
         if (err < 0) {
             alsa_logerr (err, "Could not stop %s\n", typ);
@@ -860,6 +884,13 @@ static int alsa_voice_ctl (snd_pcm_t *handle, const char *typ, int pause)
             alsa_logerr (err, "Could not prepare handle for %s\n", typ);
             return -1;
         }
+        if (ctl == VOICE_CTL_START) {
+            err = snd_pcm_start(handle);
+            if (err < 0) {
+                alsa_logerr (err, "Could not start handle for %s\n", typ);
+                return -1;
+            }
+        }
     }
 
     return 0;
@@ -884,12 +915,16 @@ static int alsa_ctl_out (HWVoiceOut *hw, int cmd, ...)
                 poll_mode = 0;
             }
             hw->poll_mode = poll_mode;
-            return alsa_voice_ctl (alsa->handle, "playback", 0);
+            return alsa_voice_ctl (alsa->handle, "playback", VOICE_CTL_PREPARE);
         }
 
     case VOICE_DISABLE:
         ldebug ("disabling voice\n");
-        return alsa_voice_ctl (alsa->handle, "playback", 1);
+        if (hw->poll_mode) {
+            hw->poll_mode = 0;
+            alsa_fini_poll (&alsa->pollhlp);
+        }
+        return alsa_voice_ctl (alsa->handle, "playback", VOICE_CTL_PAUSE);
     }
 
     return -1;
@@ -903,7 +938,7 @@ static int alsa_init_in (HWVoiceIn *hw, struct audsettings *as)
     snd_pcm_t *handle;
     struct audsettings obt_as;
 
-    req.fmt = aud_to_alsafmt (as->fmt);
+    req.fmt = aud_to_alsafmt (as->fmt, as->endianness);
     req.freq = as->freq;
     req.nchannels = as->nchannels;
     req.period_size = conf.period_size_in;
@@ -944,7 +979,7 @@ static void alsa_fini_in (HWVoiceIn *hw)
     alsa_anal_close (&alsa->handle, &alsa->pollhlp);
 
     if (alsa->pcm_buf) {
-        qemu_free (alsa->pcm_buf);
+        g_free (alsa->pcm_buf);
         alsa->pcm_buf = NULL;
     }
 }
@@ -1062,7 +1097,7 @@ static int alsa_run_in (HWVoiceIn *hw)
                 }
             }
 
-            hw->conv (dst, src, nread, &nominal_volume);
+            hw->conv (dst, src, nread);
 
             src = advance (src, nread << hwshift);
             dst += nread;
@@ -1102,7 +1137,7 @@ static int alsa_ctl_in (HWVoiceIn *hw, int cmd, ...)
             }
             hw->poll_mode = poll_mode;
 
-            return alsa_voice_ctl (alsa->handle, "capture", 0);
+            return alsa_voice_ctl (alsa->handle, "capture", VOICE_CTL_START);
         }
 
     case VOICE_DISABLE:
@@ -1111,7 +1146,7 @@ static int alsa_ctl_in (HWVoiceIn *hw, int cmd, ...)
             hw->poll_mode = 0;
             alsa_fini_poll (&alsa->pollhlp);
         }
-        return alsa_voice_ctl (alsa->handle, "capture", 1);
+        return alsa_voice_ctl (alsa->handle, "capture", VOICE_CTL_PAUSE);
     }
 
     return -1;