ArDrone SDK 1.8 added

[mardrone] / mardrone / ARDrone_SDK_Version_1_8_20110726 / ARDroneLib / VLIB / Platform / arm9_P6 / video_utils.c

diff --git a/mardrone/ARDrone_SDK_Version_1_8_20110726/ARDroneLib/VLIB/Platform/arm9_P6/video_utils.c b/mardrone/ARDrone_SDK_Version_1_8_20110726/ARDroneLib/VLIB/Platform/arm9_P6/video_utils.c
new file mode 100644 (file)
index 0000000..bc70177
--- /dev/null
+++ b/mardrone/ARDrone_SDK_Version_1_8_20110726/ARDroneLib/VLIB/Platform/arm9_P6/video_utils.c
@@ -0,0 +1,85 @@
+#include <VLIB/video_controller.h>
+#include <VLIB/video_picture.h>
+
+#include <VLIB/Platform/video_config.h>
+#include <VLIB/Platform/video_utils.h>
+#include <VLIB/video_codec.h>
+
+#include <VLIB/Platform/arm9_P6/video_dct_p6.h>
+#include <VLIB/Platform/arm9_P6/video_p264_p6.h>
+
+#include <VP_Os/vp_os_print.h>
+
+static uint32_t num_references = 0;
+
+C_RESULT video_utils_init( video_controller_t* controller )
+{
+  if( num_references == 0 )
+  {
+    switch(controller->codec_type)
+    {
+      case UVLC_CODEC :
+        video_dct_p6_init();
+        break;
+      case P264_CODEC :
+        video_p264_p6_init();
+        break;
+      default :
+        PRINT ("%s unknown codec %d\n",__FUNCTION__,controller->codec_type);
+        return C_FAIL;
+    }
+  }
+
+  num_references ++;
+
+  return C_OK;
+}
+
+C_RESULT video_utils_close( video_controller_t* controller )
+{
+  if( num_references > 0 )
+  {
+    switch(controller->codec_type)
+    {
+      case UVLC_CODEC :
+        video_dct_p6_close();
+        break;
+      case P264_CODEC :
+        video_p264_p6_close();
+        break;
+      default :
+        PRINT ("%s unknown codec %d\n",__FUNCTION__,controller->codec_type);
+        return C_FAIL;
+    }
+    num_references --;
+  }
+
+  return C_OK;
+}
+
+uint32_t ramcode_format_shifter_op_imm(uint32_t imm)
+{
+  uint32_t shifter, imm8;
+
+  shifter = 32/2;
+  imm8    = imm;
+
+  while( (imm8 & 0xFF) != imm8 )
+  {
+    imm8 >>= 2;
+    shifter --;
+  }
+
+  if( (imm8 << (32-shifter*2)) != imm )
+    return 0xFFFFFFFF;
+
+  if( shifter == 16 )
+    shifter = 0;
+
+  return (shifter << 8 | imm8);
+}
+
+C_RESULT video_utils_set_format( uint32_t width, uint32_t height )
+{
+  return C_OK;
+}