--- /dev/null
+/**
+ * @file vp_api_stage.h
+ * @brief VP Api. Stages definition
+ * @author Sylvain Gaeremynck <sylvain.gaeremynck@parrot.fr>
+ * @author Aurelien Morelle <aurelien.morelle@parrot.fr>
+ * @author Thomas Landais <thomas.landais@parrot.fr>
+ * @author Julien Floret <julien.floret.ext@parrot.com>
+ * @version 2.0
+ * @date first release 16/03/2007
+ * @date modification 19/03/2007
+ */
+
+#ifndef _VP_API_STAGE_H_
+#define _VP_API_STAGE_H_
+
+///////////////////////////////////////////////
+// INCLUDES
+
+#include <VP_Os/vp_os_types.h>
+#include <VP_Api/vp_api_config.h>
+#include <VP_Api/vp_api_supervisor.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+struct _vp_api_io_data_;
+
+
+///////////////////////////////////////////////
+// TYPEDEFS
+
+
+/**
+ * @typedef C_RESULT (*vp_api_stage_handle_msg_t)(void *cfg, PIPELINE_MSG msg_id, void *callback, void *param)
+Functions prototypes to open, close and update a stage
+ */
+typedef C_RESULT
+(*vp_api_stage_handle_msg_t)(void *cfg, PIPELINE_MSG msg_id, void *callback, void *param);
+
+typedef C_RESULT
+(*vp_api_stage_open_t)(void *cfg);
+
+typedef C_RESULT
+(*vp_api_stage_transform_t)(void *cfg, struct _vp_api_io_data_ *in, struct _vp_api_io_data_ *out);
+
+typedef C_RESULT
+(*vp_api_stage_close_t)(void *cfg);
+
+
+/**
+ * @struct _vp_api_stage_funcs_
+ * @brief A structure that contains all functions pointers to handle a stage
+ */
+typedef struct _vp_api_stage_funcs_
+{
+ vp_api_stage_handle_msg_t handle_msg;
+ vp_api_stage_open_t open;
+ vp_api_stage_transform_t transform;
+ vp_api_stage_close_t close;
+} vp_api_stage_funcs_t;
+
+
+/**
+ * @brief Definition of ready to use stages for vp products
+ */
+extern const vp_api_stage_funcs_t vp_stages_input_file_funcs;
+extern const vp_api_stage_funcs_t vp_stages_output_file_funcs;
+
+extern const vp_api_stage_funcs_t vp_stages_input_buffer_funcs;
+extern const vp_api_stage_funcs_t vp_stages_output_buffer_funcs;
+
+extern const vp_api_stage_funcs_t vp_stages_frame_pipe_sender_funcs;
+extern const vp_api_stage_funcs_t vp_stages_frame_pipe_receiver_funcs;
+
+extern const vp_api_stage_funcs_t vp_stages_video_mixer_funcs;
+
+extern const vp_api_stage_funcs_t vp_stages_buffer_to_picture_funcs;
+extern const vp_api_stage_funcs_t vp_stages_picture_to_buffer_funcs;
+
+extern const vp_api_stage_funcs_t vp_stages_decoder_filter_funcs;
+extern const vp_api_stage_funcs_t vp_stages_decoder_ffmpeg_funcs;
+
+extern const vp_api_stage_funcs_t vp_stages_input_com_funcs;
+extern const vp_api_stage_funcs_t vp_stages_output_com_funcs;
+
+extern const vp_api_stage_funcs_t vp_stages_output_console_funcs;
+
+extern const vp_api_stage_funcs_t vp_stages_output_sdl_funcs;
+
+extern const vp_api_stage_funcs_t vp_stages_output_lcd_funcs;
+
+extern const vp_api_stage_funcs_t vp_stages_yuv2rgb_funcs;
+
+#if defined(USE_JPEG) || defined(USE_JPEG_P6)
+extern const vp_api_stage_funcs_t vp_stages_encoder_jpeg_funcs;
+extern const vp_api_stage_funcs_t vp_stages_decoder_jpeg_funcs;
+#endif // > USE_JPEG
+
+#ifdef USE_PVSP
+extern const vp_api_stage_funcs_t vp_stages_pvsp_funcs;
+#endif // USE_PVSP
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif // ! _VP_API_STAGE_H_