2009-07-01 17:55:12 +00:00
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/* GStreamer
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* Copyright (C) 2008 David Schleef <ds@schleef.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef _GST_BASE_VIDEO_UTILS_H_
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#define _GST_BASE_VIDEO_UTILS_H_
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2009-07-03 15:08:38 +00:00
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#ifndef GST_USE_UNSTABLE_API
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#warning "The base video utils API is unstable and may change in future."
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#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
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#endif
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2009-07-01 17:55:12 +00:00
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/base/gstadapter.h>
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G_BEGIN_DECLS
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typedef struct _GstVideoState GstVideoState;
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typedef struct _GstVideoFrame GstVideoFrame;
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struct _GstVideoState
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{
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GstVideoFormat format;
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int width, height;
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int fps_n, fps_d;
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int par_n, par_d;
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gboolean interlaced;
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gboolean top_field_first;
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int clean_width, clean_height;
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int clean_offset_left, clean_offset_top;
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int bytes_per_picture;
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GstSegment segment;
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int picture_number;
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};
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struct _GstVideoFrame
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{
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guint64 decode_timestamp;
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guint64 presentation_timestamp;
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guint64 presentation_duration;
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gint system_frame_number;
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gint decode_frame_number;
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gint presentation_frame_number;
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int distance_from_sync;
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gboolean is_sync_point;
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gboolean is_eos;
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GstBuffer *sink_buffer;
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GstBuffer *src_buffer;
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int field_index;
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int n_fields;
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void *coder_hook;
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};
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gboolean gst_base_video_rawvideo_convert (GstVideoState *state,
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GstFormat src_format, gint64 src_value,
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GstFormat * dest_format, gint64 *dest_value);
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gboolean gst_base_video_encoded_video_convert (GstVideoState *state,
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GstFormat src_format, gint64 src_value,
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GstFormat * dest_format, gint64 *dest_value);
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gboolean gst_base_video_state_from_caps (GstVideoState *state,
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GstCaps *caps);
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GstClockTime gst_video_state_get_timestamp (const GstVideoState *state,
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int frame_number);
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G_END_DECLS
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#endif
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