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, 66 insertions, 0 deletions

diff --git a/libmpcodecs/ad_pcm.c b/libmpcodecs/ad_pcm.c
new file mode 100644
index 0000000000..67ce5cba5a
--- /dev/null
+++ b/libmpcodecs/ad_pcm.c
@@ -0,0 +1,66 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "config.h"
+#include "ad_internal.h"
+
+static ad_info_t info = 
+{
+	"Uncompressed PCM audio decoder",
+	"pcm",
+	AFM_PCM,
+	"Nick Kurshev",
+	"A'rpi",
+	""
+};
+
+LIBAD_EXTERN(pcm)
+
+static int init(sh_audio_t *sh_audio)
+{
+  WAVEFORMATEX *h=sh_audio->wf;
+  sh_audio->i_bps=h->nAvgBytesPerSec;
+  sh_audio->channels=h->nChannels;
+  sh_audio->samplerate=h->nSamplesPerSec;
+  sh_audio->samplesize=(h->wBitsPerSample+7)/8;
+  switch(sh_audio->format){ /* hardware formats: */
+    case 0x6:  sh_audio->sample_format=AFMT_A_LAW;break;
+    case 0x7:  sh_audio->sample_format=AFMT_MU_LAW;break;
+    case 0x11: sh_audio->sample_format=AFMT_IMA_ADPCM;break;
+    case 0x50: sh_audio->sample_format=AFMT_MPEG;break;
+    case 0x736F7774: sh_audio->sample_format=AFMT_S16_LE;sh_audio->codec->driver=AFM_DVDPCM;break;
+/*    case 0x2000: sh_audio->sample_format=AFMT_AC3; */
+    default: sh_audio->sample_format=(sh_audio->samplesize==2)?AFMT_S16_LE:AFMT_U8;
+  }
+  return 1;
+}
+
+static int preinit(sh_audio_t *sh)
+{
+  sh->audio_out_minsize=2048;
+  return 1;
+}
+
+static void uninit(sh_audio_t *sh)
+{
+}
+
+static int control(sh_audio_t *sh,int cmd,void* arg, ...)
+{
+  int skip;
+    switch(cmd)
+    {
+      case ADCTRL_SKIP_FRAME:
+	skip=sh->i_bps/16;
+	skip=skip&(~3);
+	demux_read_data(sh->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 demux_read_data(sh_audio->ds,buf,minlen);
+}