ArDrone SDK 1.8 added

[mardrone] / mardrone / ARDrone_SDK_Version_1_8_20110726 / ARDroneLib / VLIB / P263 / p263_gob_layer.c

diff --git a/mardrone/ARDrone_SDK_Version_1_8_20110726/ARDroneLib/VLIB/P263/p263_gob_layer.c b/mardrone/ARDrone_SDK_Version_1_8_20110726/ARDroneLib/VLIB/P263/p263_gob_layer.c
new file mode 100644 (file)
index 0000000..af3dbce
--- /dev/null
+++ b/mardrone/ARDrone_SDK_Version_1_8_20110726/ARDroneLib/VLIB/P263/p263_gob_layer.c
@@ -0,0 +1,29 @@
+#include <VLIB/video_packetizer.h>
+
+#include "p263_codec.h"
+#include "p263_layers.h"
+#include "p263_huffman.h"
+
+C_RESULT p263_read_gob_layer( video_controller_t* controller, video_stream_t* stream )
+{
+  p263_codec_t* p263_codec = (p263_codec_t*) controller->video_codec;
+  p263_picture_layer_t* picture_layer = &p263_codec->picture_layer;
+  p263_gob_layer_t* gob = &picture_layer->gobs[controller->blockline];
+  uint32_t gn = 0, gfid = 0, gsbi = 0;
+
+  // Read Group Number (GN) (5 bits)
+  video_read_data( stream, &gn, 5 );
+
+  // Read GOB Sub-Bitstream Indicator (GSBI) (2 bits)
+  video_read_data( stream, &gsbi, 2 );
+
+  // Read GOB Frame ID (GFID) (2 bits)
+  video_read_data( stream, &gfid, 2 );
+
+  // Read Quantizer Information (GQUANT) (5 bits)
+  video_read_data( stream, &gob->gquant, 5 );
+  controller->Qp = gob->gquant;
+
+  return C_OK;
+}
+