adding ffmpeg-fas

1 files changed, 125 insertions, 0 deletions

diff --git a/rotord/src/ffmpeg_fas.h b/rotord/src/ffmpeg_fas.h
new file mode 100644
index 0000000..953c8b4
--- /dev/null
+++ b/rotord/src/ffmpeg_fas.h
@@ -0,0 +1,125 @@
+/*****************************************************************************
+ * Copyright 2008. Pittsburgh Pattern Recognition, Inc.
+ * 
+ * This file is part of the Frame Accurate Seeking extension library to 
+ * ffmpeg (ffmpeg-fas).
+ * 
+ * ffmpeg-fas is free software; you can redistribute it and/or modify it 
+ * under the terms of the GNU Lesser General Public License as published by 
+ * the Free Software Foundation; either version 3 of the License, or (at your 
+ * option) any later version.
+ *
+ * The ffmpeg-fas library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with the ffmpeg-fas library.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ ******************************************************************************/
+
+#ifndef FFMPEG_FAS_H
+#define FFMPEG_FAS_H
+
+/* If C++ then we need to __extern "C". Compiler defines __cplusplus */
+#ifdef __cplusplus
+#define __extern extern "C"
+#else
+#define __extern extern
+#endif
+
+#include "seek_indices.h"
+#include <libswscale/swscale.h> 
+
+
+static struct SwsContext *Sctx;
+static int sws_flags = SWS_BICUBIC;
+
+
+typedef enum
+{
+  FAS_GRAY8    = 1,
+  FAS_RGB24    = 2,
+  FAS_BGR24    = 3,
+  FAS_ARGB32   = 4,
+  FAS_ABGR32   = 5,
+  FAS_YUV420P  = 6,
+  FAS_YUYV422  = 7,
+  FAS_UYVY422  = 8,
+  FAS_YUV422P  = 9,
+  FAS_YUV444P  = 10,
+} fas_color_space_type;
+
+typedef struct
+{
+  unsigned char *data;
+  int width;
+  int height;
+  int bytes_per_line;
+  fas_color_space_type color_space;
+} fas_raw_image_type;
+
+
+/**********************************************************************
+ * Video IO Types
+ **********************************************************************/
+
+typedef struct fas_context_struct* fas_context_ref_type;
+
+typedef enum
+{
+  FAS_SUCCESS,
+  FAS_FAILURE,
+  FAS_INVALID_ARGUMENT,
+  FAS_OUT_OF_MEMORY,
+  FAS_UNSUPPORTED_FORMAT,
+  FAS_UNSUPPORTED_CODEC,
+  FAS_NO_MORE_FRAMES,
+  FAS_DECODING_ERROR,
+  FAS_SEEK_ERROR,
+} fas_error_type;
+
+typedef enum
+{
+  FAS_FALSE = 0,
+  FAS_TRUE  = 1
+} fas_boolean_type;
+
+
+__extern void             fas_initialize (fas_boolean_type logging, fas_color_space_type format);
+__extern void             fas_set_format (fas_color_space_type format);
+
+__extern fas_error_type   fas_open_video  (fas_context_ref_type *context_ptr, char *file_path);
+__extern fas_error_type   fas_close_video (fas_context_ref_type context);
+
+__extern char*            fas_error_message (fas_error_type error);
+
+__extern fas_boolean_type fas_frame_available (fas_context_ref_type context);
+__extern int              fas_get_frame_index (fas_context_ref_type context);
+__extern fas_error_type   fas_step_forward    (fas_context_ref_type context);
+
+__extern fas_error_type   fas_get_frame  (fas_context_ref_type context, fas_raw_image_type *image_ptr);
+__extern void             fas_free_frame (fas_raw_image_type image);
+
+__extern fas_error_type   fas_seek_to_nearest_key     (fas_context_ref_type context, int target_index);
+__extern fas_error_type   fas_seek_to_frame           (fas_context_ref_type context, int target_index);
+
+__extern int              fas_get_frame_count         (fas_context_ref_type context);
+__extern int              fas_get_frame_count_fast    (fas_context_ref_type context);
+
+__extern fas_error_type   fas_put_seek_table  (fas_context_ref_type context, seek_table_type table);
+__extern seek_table_type  fas_get_seek_table  (fas_context_ref_type context);
+
+/* will extract raw 420p if the video is in that format -- needs to be alloced ahead of time*/
+__extern fas_error_type  fas_fill_420p_ptrs (fas_context_ref_type context, unsigned char *y, unsigned char *u, unsigned char *v);
+
+/* will extract gray8 data from movie (will convert to ensure you get it) -- need to be alloc'ed ahead of time*/
+__extern fas_error_type  fas_fill_gray8_ptr(fas_context_ref_type context, unsigned char *y);
+
+__extern int  fas_get_current_width(fas_context_ref_type context);
+__extern int  fas_get_current_height(fas_context_ref_type context);
+
+__extern unsigned long long fas_get_frame_duration(fas_context_ref_type context);
+
+#endif