imported from MPlayerXP, dlopen() hack removed, some bugs fixed, interface functions changed to static, info->author field added

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5341 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 76 insertions, 0 deletions

diff --git a/libmpcodecs/ad_acm.c b/libmpcodecs/ad_acm.c
new file mode 100644
index 0000000000..5a74071489
--- /dev/null
+++ b/libmpcodecs/ad_acm.c
@@ -0,0 +1,76 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "config.h"
+#include "mp_msg.h"
+#include "help_mp.h"
+
+#include "ad_internal.h"
+
+static ad_info_t info = 
+{
+	"Win32 ACM audio decoder",
+	"msacm",
+	AFM_ACM,
+	"Nick Kurshev",
+	"avifile.sf.net",
+	""
+};
+
+LIBAD_EXTERN(msacm)
+
+#include "dll_init.h"
+
+static int init(sh_audio_t *sh_audio)
+{
+    int ret=acm_decode_audio(sh_audio,sh_audio->a_buffer,4096,sh_audio->a_buffer_size);
+    if(ret<0){
+        mp_msg(MSGT_DECAUDIO,MSGL_INFO,"ACM decoding error: %d\n",ret);
+        return 0;
+    }
+    sh_audio->a_buffer_len=ret;
+  return 1;
+}
+
+static int preinit(sh_audio_t *sh_audio)
+{
+  /* Win32 ACM audio codec: */
+  if(init_acm_audio_codec(sh_audio)){
+    sh_audio->i_bps=sh_audio->wf->nAvgBytesPerSec;
+    sh_audio->channels=sh_audio->o_wf.nChannels;
+    sh_audio->samplerate=sh_audio->o_wf.nSamplesPerSec;
+  } else {
+    mp_msg(MSGT_DECAUDIO,MSGL_ERR,MSGTR_ACMiniterror);
+    return 0;
+  }
+  mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: Win32/ACM audio codec init OK!\n");
+  return 1;
+}
+
+static void uninit(sh_audio_t *sh)
+{
+    // TODO!
+}
+
+static int control(sh_audio_t *sh_audio,int cmd,void* arg, ...)
+{
+  int skip;
+    switch(cmd)
+    {
+      case ADCTRL_SKIP_FRAME:
+		    skip=sh_audio->wf->nBlockAlign;
+		    if(skip<16){
+		      skip=(sh_audio->wf->nAvgBytesPerSec/16)&(~7);
+		      if(skip<16) skip=16;
+		    }
+		    demux_read_data(sh_audio->ds,NULL,skip);
+	  return CONTROL_TRUE;
+    }
+  return CONTROL_UNKNOWN;
+}
+
+static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
+{
+  return acm_decode_audio(sh_audio,buf,minlen,maxlen);
+}