initial proto

1 files changed, 138 insertions, 0 deletions

diff --git a/cmod.c b/cmod.c
new file mode 100644
index 00000000..864947d9
--- /dev/null
+++ b/cmod.c
@@ -0,0 +1,138 @@
+#include <mikmod.h>
+#include <string.h>
+#include "codec.h"
+#include "cmod.h"
+
+static char *mikmod_writepointer;
+static int mikmod_writesize;
+static MODULE *module;
+
+// mikmod fe driver
+static BOOL cmod_IsThere(void)
+{
+    return 1;
+}
+
+static BOOL cmod_Init(void)
+{
+    return VC_Init();
+}
+
+static void cmod_Exit(void)
+{
+    VC_Exit();
+}
+
+static void cmod_Update(void)
+{
+    for (;;) {
+        ULONG ret = VC_WriteBytes((SBYTE*)mikmod_writepointer,(ULONG)mikmod_writesize);
+        if (ret < mikmod_writesize)
+        {
+            if (ret <= 0) {
+                printf ("WARNING: mikmod VC_WriteBytes returned %d, trying rewind\n", ret);
+                Player_SetPosition (0);
+                break;
+            }
+            else {
+                mikmod_writesize -= ret;
+                mikmod_writepointer += ret;
+            }
+        }
+        else if (ret > mikmod_writesize) {
+            printf ("WARNING: mikmod VC_WriteBytes returned %d, trying rewind\n", ret);
+            Player_SetPosition (0);
+        }
+        break;
+    }
+}
+
+static void cmod_PlayStop(void)
+{
+    fprintf (stderr, "mikmod called PlayStop\n");
+    VC_PlayStop();
+}
+
+static MDRIVER cmoddrv={
+    NULL,
+    (char*)"raboof",
+    (char*)"raboof mikmod audio driver v0.1",
+    0,255,
+    (char*)"cmoddrv",
+
+    NULL,
+    cmod_IsThere,
+    VC_SampleLoad,
+    VC_SampleUnload,
+    VC_SampleSpace,
+    VC_SampleLength,
+    cmod_Init,
+    cmod_Exit,
+    NULL,
+    VC_SetNumVoices,
+    VC_PlayStart,
+    cmod_PlayStop,
+    cmod_Update,
+    NULL,
+    VC_VoiceSetVolume,
+    VC_VoiceGetVolume,
+    VC_VoiceSetFrequency,
+    VC_VoiceGetFrequency,
+    VC_VoiceSetPanning,
+    VC_VoiceGetPanning,
+    VC_VoicePlay,
+    VC_VoiceStop,
+    VC_VoiceStopped,
+    VC_VoiceGetPosition,
+    VC_VoiceRealVolume
+};
+
+int
+cmod_init (const char *fname) {
+//    MikMod_RegisterAllDrivers();
+    memset (&cmod.info, 0, sizeof (fileinfo_t));
+    MikMod_RegisterAllLoaders();
+    MikMod_RegisterDriver (&cmoddrv);
+    int drv = MikMod_DriverFromAlias ((char*)"cmoddrv");
+    md_device = drv;
+    md_mode |= DMODE_HQMIXER;
+    MikMod_Init((char*)"");
+    module = Player_Load ((char*)fname, 64, 0);
+    module->wrap = 1;
+    module->loop = 0;
+    Player_Start(module);
+    Player_SetTempo (1200);
+    printf ("module info: songname %s\nmodtype %s\ncomment %s\nnumchannels %d\nnumsamples %d\nsongtime %d\n", module->songname, module->modtype, module->comment, module->numchn, module->numsmp,  module->sngtime);
+    printf ("driver info: device %d\nmixfreq: %d\n16bit %d\nhqmixer %d\nstereo %d\n", md_device, md_mixfreq, (md_mode&DMODE_16BITS)?1:0, (md_mode&DMODE_HQMIXER)?1:0, (md_mode&DMODE_STEREO)?1:0);
+    cmod.info.bitsPerSample = (md_mode&DMODE_16BITS)? 16 : 8;
+    cmod.info.channels = (md_mode&DMODE_STEREO)?2:1;
+    cmod.info.dataSize = -1; // means unknown or infinite
+    cmod.info.samplesPerSecond = md_mixfreq;
+    return 0;
+}
+
+void
+cmod_free (void) {
+    Player_SetPosition (0);
+    Player_Free(module);
+    module = NULL;
+    MikMod_Exit();
+}
+
+int
+cmod_read (char *bytes, int size)
+{
+    mikmod_writepointer = bytes;
+    mikmod_writesize = size;
+    if (Player_Active()) {
+        MikMod_Update();
+    }
+    return 0;
+}
+
+codec_t cmod = {
+    .init = cmod_init,
+    .free = cmod_free,
+    .read = cmod_read
+};
+