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/* GStreamer
* Copyright (C) 2008 David Schleef <ds@schleef.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef _GST_BASE_VIDEO_UTILS_H_
#define _GST_BASE_VIDEO_UTILS_H_
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/base/gstadapter.h>
G_BEGIN_DECLS
typedef struct _GstVideoState GstVideoState;
typedef struct _GstVideoFrame GstVideoFrame;
struct _GstVideoState
{
GstVideoFormat format;
int width, height;
int fps_n, fps_d;
int par_n, par_d;
gboolean interlaced;
gboolean top_field_first;
int clean_width, clean_height;
int clean_offset_left, clean_offset_top;
int bytes_per_picture;
GstSegment segment;
int picture_number;
};
struct _GstVideoFrame
{
guint64 decode_timestamp;
guint64 presentation_timestamp;
guint64 presentation_duration;
gint system_frame_number;
gint decode_frame_number;
gint presentation_frame_number;
int distance_from_sync;
gboolean is_sync_point;
gboolean is_eos;
GstBuffer *sink_buffer;
GstBuffer *src_buffer;
int field_index;
int n_fields;
void *coder_hook;
};
gboolean gst_base_video_rawvideo_convert (GstVideoState *state,
GstFormat src_format, gint64 src_value,
GstFormat * dest_format, gint64 *dest_value);
gboolean gst_base_video_encoded_video_convert (GstVideoState *state,
GstFormat src_format, gint64 src_value,
GstFormat * dest_format, gint64 *dest_value);
gboolean gst_base_video_state_from_caps (GstVideoState *state,
GstCaps *caps);
GstClockTime gst_video_state_get_timestamp (const GstVideoState *state,
int frame_number);
G_END_DECLS
#endif
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