oss plugin updates (supports both v3 and v4 now)

2 files changed, 31 insertions, 7 deletions

diff --git a/plugins/oss/Makefile.am b/plugins/oss/Makefile.am
index 810bd249..697f4d32 100644
--- a/plugins/oss/Makefile.am
+++ b/plugins/oss/Makefile.am
@@ -1,6 +1,6 @@
 ossdir = $(libdir)/$(PACKAGE)
 pkglib_LTLIBRARIES = oss.la
-AM_CFLAGS = $(CFLAGS) $(OSS4_CFLAGS)
+AM_CFLAGS = $(CFLAGS) $(OSS_CFLAGS)
 oss_la_SOURCES = oss.c
 oss_la_LDFLAGS = -module
 
diff --git a/plugins/oss/oss.c b/plugins/oss/oss.c
index 193970ad..b8602cf7 100644
--- a/plugins/oss/oss.c
+++ b/plugins/oss/oss.c
@@ -15,6 +15,9 @@
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
+#ifdef HAVE_CONFIG_H
+#  include "../../config.h"
+#endif
 #include <stdint.h>
 #include <unistd.h>
 #ifdef __linux__
@@ -22,16 +25,16 @@
 #endif
 #include <stdio.h>
 #include <string.h>
+#if HAVE_SYS_SOUNDCARD_H
 #include <sys/soundcard.h>
+#else
+#include <soundcard.h>
+#endif
 #include <fcntl.h>
 #include <sys/ioctl.h>
 #include <stdlib.h>
 #include "../../deadbeef.h"
 
-//#if OSS_VERSION<0x040000
-//#error oss4 plugin: at least oss v4.0 is required to build this plugin
-//#endif
-
 #define trace(...) { fprintf(stderr, __VA_ARGS__); }
 //#define trace(fmt,...)
 
@@ -44,6 +47,7 @@ static int oss_rate = 44100;
 static int state;
 static int fd;
 static uintptr_t mutex;
+static int blksize;
 
 static void
 oss_thread (void *context);
@@ -68,6 +72,18 @@ oss_init (void) {
         return -1;
     }
 
+#if OSS_VERSION>=0x040000
+/*
+    int cooked = 1;
+    ioctl (fd, SNDCTL_DSP_COOKEDMODE, &cooked);
+    trace ("oss: cooked_mode=%d\n", cooked);
+
+    int policy = 3;
+    ioctl (fd, SNDCTL_DSP_POLICY, &policy);
+    trace ("oss: policy=%d\n", policy);
+*/
+#endif
+
     int fmt = AFMT_S16_NE;
     if (ioctl (fd, SNDCTL_DSP_SETFMT, &fmt) == -1) {
         trace ("oss: failed to set format\n");
@@ -104,6 +120,14 @@ oss_init (void) {
 
     trace ("oss: samplerate: %d\n", oss_rate);
 
+//    audio_buf_info bi;
+//    ioctl (fd, SNDCTL_DSP_GETOSPACE, &bi);
+//    trace ("oss: bi.bytes=%d, bi.fragsize=%d, bi.fragstotal=%d\n", bi.bytes, bi.fragsize, bi.fragstotal);
+//    blksize = bi.fragsize;
+
+    ioctl (fd, SNDCTL_DSP_GETBLKSIZE, &blksize);
+    trace ("oss: blksize: %d\n", blksize);
+
     mutex = deadbeef->mutex_create ();
 
     oss_tid = deadbeef->thread_start (oss_thread, NULL);
@@ -227,8 +251,8 @@ oss_thread (void *context) {
             continue;
         }
         
-        char buf[1024];
-        oss_callback (buf, 1024);
+        char buf[blksize];
+        oss_callback (buf, sizeof (buf));
         deadbeef->mutex_lock (mutex);
         int res = write (fd, buf, sizeof (buf));
         deadbeef->mutex_unlock (mutex);