fixed AFMT_ stuff (inclue afmt.h)

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@1059 b3059339-0415-0410-9bf9-f77b7e298cf2

7 files changed, 78 insertions, 32 deletions

diff --git a/libao2/afmt.h b/libao2/afmt.h
new file mode 100644
index 0000000000..29f2de1912
--- /dev/null
+++ b/libao2/afmt.h
@@ -0,0 +1,34 @@
+
+/* Defines that AFMT_ stuff */
+
+#ifdef	HAVE_SYS_SOUNDCARD_H
+#include <sys/soundcard.h>	/* For AFMT_* on linux */
+#endif
+
+/* standard, old OSS audio formats */
+#ifndef AFMT_MU_LAW
+#	define AFMT_MU_LAW		0x00000001
+#	define AFMT_A_LAW		0x00000002
+#	define AFMT_IMA_ADPCM		0x00000004
+#	define AFMT_U8			0x00000008
+#	define AFMT_S16_LE		0x00000010	/* Little endian signed 16*/
+#	define AFMT_S16_BE		0x00000020	/* Big endian signed 16 */
+#	define AFMT_S8			0x00000040
+#	define AFMT_U16_LE		0x00000080	/* Little endian U16 */
+#	define AFMT_U16_BE		0x00000100	/* Big endian U16 */
+#endif
+
+#ifndef AFMT_MPEG
+#	define AFMT_MPEG		0x00000200	/* MPEG (2) audio */
+#endif
+
+#ifndef AFMT_AC3
+#	define AFMT_AC3			0x00000400	/* Dolby Digital AC3 */
+#endif
+
+/* 32 bit formats (MSB aligned) formats */
+#ifndef AFMT_S32_LE
+# define AFMT_S32_LE              0x00001000
+# define AFMT_S32_BE              0x00002000
+#endif
+
diff --git a/libao2/ao_alsa1x.c b/libao2/ao_alsa1x.c
index 71ee42e9be..626d034380 100644
--- a/libao2/ao_alsa1x.c
+++ b/libao2/ao_alsa1x.c
@@ -5,13 +5,13 @@
 */
 
 #include <errno.h>
-#include <sys/soundcard.h> /* AFMT_* */
 #include <sys/asoundlib.h>
 
 #include "../config.h"
 
 #include "audio_out.h"
 #include "audio_out_internal.h"
+#include "afmt.h"
 
 extern int verbose;
 
diff --git a/libao2/ao_alsa5.c b/libao2/ao_alsa5.c
index 158732f771..c4395f4d4a 100644
--- a/libao2/ao_alsa5.c
+++ b/libao2/ao_alsa5.c
@@ -7,13 +7,13 @@
 */
 
 #include <errno.h>
-#include <sys/soundcard.h> /* AFMT_* */
 #include <sys/asoundlib.h>
 
 #include "../config.h"
 
 #include "audio_out.h"
 #include "audio_out_internal.h"
+#include "afmt.h"
 
 extern int verbose;
 
diff --git a/libao2/ao_alsa9.c b/libao2/ao_alsa9.c
index 71ee42e9be..626d034380 100644
--- a/libao2/ao_alsa9.c
+++ b/libao2/ao_alsa9.c
@@ -5,13 +5,13 @@
 */
 
 #include <errno.h>
-#include <sys/soundcard.h> /* AFMT_* */
 #include <sys/asoundlib.h>
 
 #include "../config.h"
 
 #include "audio_out.h"
 #include "audio_out_internal.h"
+#include "afmt.h"
 
 extern int verbose;
 
diff --git a/libao2/ao_oss.c b/libao2/ao_oss.c
index de50dc77f3..4e94f9af6b 100644
--- a/libao2/ao_oss.c
+++ b/libao2/ao_oss.c
@@ -13,6 +13,7 @@
 
 #include "audio_out.h"
 #include "audio_out_internal.h"
+//#include "afmt.h"
 
 static ao_info_t info = 
 {
diff --git a/libao2/ao_sun.c b/libao2/ao_sun.c
index 93218dff2e..e6032a4fb4 100644
--- a/libao2/ao_sun.c
+++ b/libao2/ao_sun.c
@@ -16,6 +16,7 @@
 
 #include "audio_out.h"
 #include "audio_out_internal.h"
+#include "afmt.h"
 
 static ao_info_t info = 
 {
@@ -46,6 +47,27 @@ static char *dsp="/dev/audio";
 static int queued_bursts = 0;
 static int audio_fd=-1;
 
+// convert an OSS audio format specification into a sun audio encoding
+static int oss2sunfmt(int oss_format)
+{
+  switch (oss_format){
+  case AFMT_MU_LAW:
+    return AUDIO_ENCODING_ULAW;
+  case AFMT_A_LAW:
+    return AUDIO_ENCODING_ALAW;
+  case AFMT_S16_LE:
+    return AUDIO_ENCODING_LINEAR;
+  case AFMT_U8:
+    return AUDIO_ENCODING_LINEAR8;
+#ifdef	AUDIO_ENCODING_DVI	// Missing on NetBSD...
+  case AFMT_IMA_ADPCM:
+    return AUDIO_ENCODING_DVI;
+#endif
+  default:
+    return AUDIO_ENCODING_NONE;
+  }
+}
+
 // to set/get/query special features/parameters
 static int control(int cmd,int arg){
     switch(cmd){
@@ -76,18 +98,16 @@ static int init(int rate,int channels,int format,int flags){
   ioctl(audio_fd, AUDIO_DRAIN, 0);
 
   AUDIO_INITINFO(&info);
-  info.play.encoding = ao_format = format;
-  info.play.precision = (format==AUDIO_ENCODING_LINEAR? AUDIO_PRECISION_16:AUDIO_PRECISION_8);
+  info.play.encoding = oss2sunfmt(ao_format = format);
+  info.play.precision = (format==AFMT_S16_LE? AUDIO_PRECISION_16:AUDIO_PRECISION_8);
   info.play.channels = ao_channels = channels;
   --ao_channels;
   info.play.sample_rate = ao_samplerate = rate;
   info.play.samples = 0;
   info.play.eof = 0;
   if(ioctl (audio_fd, AUDIO_SETINFO, &info)<0)
-    printf("audio_setup: your card doesn't support %d Hz samplerate\n",rate);
-  byte_per_sec = (channels
-		  * (format==AUDIO_ENCODING_LINEAR ? 16 : 8)
-		  * rate);
+    printf("audio_setup: your card doesn't support %d channel, %s, %d Hz samplerate\n",channels,audio_out_format_name(format),rate);
+  byte_per_sec = (channels * info.play.precision * rate);
   ao_outburst=byte_per_sec > 100000 ? 16384 : 8192;
   queued_bursts = 0;
 
@@ -113,6 +133,8 @@ static int init(int rate,int channels,int format,int flags){
         return 0;
     }
 #ifdef	__svr4__
+    // remove the 0 bytes from the above ao_buffersize measurement from the
+    // audio driver's STREAMS queue
     ioctl(audio_fd, I_FLUSH, FLUSHW);
 #endif
     ioctl(audio_fd, AUDIO_DRAIN, 0);
@@ -132,6 +154,7 @@ static void reset(){
     audio_info_t info;
 
 #ifdef	__svr4__
+    // throw away buffered data in the audio driver's STREAMS queue
     ioctl(audio_fd, I_FLUSH, FLUSHW);
 #endif
     uninit();
@@ -144,8 +167,8 @@ static void reset(){
     ioctl(audio_fd, AUDIO_DRAIN, 0);
 
     AUDIO_INITINFO(&info);
-    info.play.encoding = ao_format;
-    info.play.precision = (ao_format==AUDIO_ENCODING_LINEAR? AUDIO_PRECISION_16:AUDIO_PRECISION_8);
+    info.play.encoding = oss2sunfmt(ao_format);
+    info.play.precision = (ao_format==AFMT_S16_LE? AUDIO_PRECISION_16:AUDIO_PRECISION_8);
     info.play.channels = ao_channels+1;
     info.play.sample_rate = ao_samplerate;
     info.play.samples = 0;
diff --git a/libao2/audio_out.c b/libao2/audio_out.c
index f23aa9b535..cc03b01bd3 100644
--- a/libao2/audio_out.c
+++ b/libao2/audio_out.c
@@ -2,26 +2,8 @@
 #include <stdlib.h>
 
 #include "../config.h"
-
 #include "audio_out.h"
-
-#include <sys/soundcard.h> /* AFMT_* */
-
-#ifndef SOUNCARD_H
-# define AFMT_MU_LAW              0x00000001
-# define AFMT_A_LAW               0x00000002
-# define AFMT_IMA_ADPCM           0x00000004
-# define AFMT_U8                  0x00000008
-# define AFMT_S16_LE              0x00000010      /* Little endian signed 16*/
-# define AFMT_S16_BE              0x00000020      /* Big endian signed 16 */
-# define AFMT_S8                  0x00000040
-# define AFMT_U16_LE              0x00000080      /* Little endian U16 */
-# define AFMT_U16_BE              0x00000100      /* Big endian U16 */
-# define AFMT_MPEG                0x00000200      /* MPEG (2) audio */
-/* 32 bit formats (MSB aligned) formats */
-# define AFMT_S32_LE              0x00001000
-# define AFMT_S32_BE              0x00002000
-#endif
+#include "afmt.h"
 
 // there are some globals:
 int ao_samplerate=0;
@@ -99,10 +81,16 @@ char *audio_out_format_name(int format)
 	    return("Unsigned 16-bit (Big-Endian)");
 	case AFMT_MPEG:
 	    return("MPEG (2) audio");
+	// the following two formats are not available with old linux kernel
+	// headers (e.g. in 2.2.16)
+#ifdef AFMT_S32_LE
 	case AFMT_S32_LE:
-	    return("Signed 32-bit (Little-Endian");
+	    return("Signed 32-bit (Little-Endian)");
+#endif
+#ifdef AFMT_S32_BE
 	case AFMT_S32_BE:
-	    return("Signed 32-bit (Big-Endian");
+	    return("Signed 32-bit (Big-Endian)");
+#endif
     }
     return("Unknown");
 }