Add and use AF_FORMAT_IS_AC3 macro.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@30276 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 5 insertions, 4 deletions

diff --git a/libao2/ao_alsa.c b/libao2/ao_alsa.c
index 70cd92198b..c156404ab7 100644
--- a/libao2/ao_alsa.c
+++ b/libao2/ao_alsa.c
@@ -127,7 +127,7 @@ static int control(int cmd, void *arg)
       long get_vol, set_vol;
       float f_multi;
 
-      if(ao_data.format == AF_FORMAT_AC3)
+      if(AF_FORMAT_IS_AC3(ao_data.format))
 	return CONTROL_TRUE;
 
       if(mixer_channel) {
@@ -427,7 +427,7 @@ static int init(int rate_hz, int channels, int format, int flags)
      * while opening the abstract alias for the spdif subdevice
      * 'iec958'
      */
-    if (format == AF_FORMAT_AC3) {
+    if (AF_FORMAT_IS_AC3(format)) {
 	device.str = "iec958";
 	mp_msg(MSGT_AO,MSGL_V,"alsa-spdif-init: playing AC3, %i channels\n", channels);
     }
@@ -486,12 +486,13 @@ static int init(int rate_hz, int channels, int format, int flags)
     }
 
     if (!alsa_handler) {
+      int isac3 =  AF_FORMAT_IS_AC3(format);
       //modes = 0, SND_PCM_NONBLOCK, SND_PCM_ASYNC
-      if ((err = try_open_device(alsa_device, open_mode, format == AF_FORMAT_AC3)) < 0)
+      if ((err = try_open_device(alsa_device, open_mode, isac3)) < 0)
 	{
 	  if (err != -EBUSY && ao_noblock) {
 	    mp_msg(MSGT_AO,MSGL_INFO,MSGTR_AO_ALSA_OpenInNonblockModeFailed);
-	    if ((err = try_open_device(alsa_device, 0, format == AF_FORMAT_AC3)) < 0) {
+	    if ((err = try_open_device(alsa_device, 0, isac3)) < 0) {
 	      mp_msg(MSGT_AO,MSGL_ERR,MSGTR_AO_ALSA_PlaybackOpenError, snd_strerror(err));
 	      return 0;
 	    }