1 files changed, 72 insertions, 0 deletions
diff --git a/kernel/framework/vmix_core/rec_export_int.inc b/kernel/framework/vmix_core/rec_export_int.inc
new file mode 100644
index 0000000..3a9953d
--- /dev/null
+++ b/kernel/framework/vmix_core/rec_export_int.inc
@@ -0,0 +1,72 @@
+/*
+ * Purpose: Local input buffer to application export routine for vmix (int)
+ */
+/*
+ *
+ * This file is part of Open Sound System.
+ *
+ * Copyright (C) 4Front Technologies 1996-2008.
+ *
+ * This this source file is released under GPL v2 license (no other versions).
+ * See the COPYING file included in the main directory of this source
+ * distribution for the license terms and conditions.
+ *
+ */
+
+vmix_mixer_t *mixer = portc->mixer;
+vmix_engine_t *eng = &mixer->record_engine;
+
+dmap_t *dmap = audio_engines[portc->audio_dev]->dmap_in;
+
+int frame_size;
+
+int outptr, outmax;
+int used_channels;
+int i, ch;
+
+/*
+ * Initial setup
+ */
+
+frame_size = sizeof (*outp);
+
+outmax = dmap->bytes_in_use / frame_size;
+outptr = portc->rec_dma_pointer / frame_size;
+
+outp = (BUFFER_TYPE) dmap->dmabuf;
+
+used_channels = portc->channels;
+if (used_channels > eng->channels)
+  used_channels = eng->channels;
+
+/* ignored_channels = portc->channels - used_channels; */
+
+/*
+ * Do the mixing
+ */
+for (ch = 0; ch < used_channels; ch++)
+  {
+    int op = outptr + ch;
+    int *chbuf = eng->chbufs[ch+portc->rec_choffs];
+
+    for (i = 0; i < nsamples; i++)
+      {
+	int tmp;
+
+	tmp = *chbuf++;
+	/*
+	 * Convert the sample to right endianess. 
+	 */
+	outp[op] = VMIX_BYTESWAP (INT_EXPORT(tmp));
+
+	op = (op + portc->channels) % outmax;
+      }
+  }
+
+/*
+ * Finally save the state variables
+ */
+
+portc->rec_dma_pointer =
+  (portc->rec_dma_pointer +
+   nsamples * frame_size * portc->channels) % dmap->bytes_in_use;