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79 lines
3.1 KiB
C
79 lines
3.1 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_AVI_H__
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#define __GST_AVI_H__
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#include <gst/gst.h>
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typedef struct _gst_riff_avih {
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guint32 us_frame; /* microsec per frame */
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guint32 max_bps; /* byte/s overall */
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guint32 pad_gran; /* pad_granularity */
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guint32 flags;
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/* flags values */
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#define GST_RIFF_AVIH_HASINDEX 0x00000010 /* has idx1 chunk */
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#define GST_RIFF_AVIH_MUSTUSEINDEX 0x00000020 /* must use idx1 chunk to determine order */
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#define GST_RIFF_AVIH_ISINTERLEAVED 0x00000100 /* AVI file is interleaved */
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#define GST_RIFF_AVIH_TRUSTCKTYPE 0x00000800 /* Use CKType to find key frames */
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#define GST_RIFF_AVIH_WASCAPTUREFILE 0x00010000 /* specially allocated used for capturing real time video */
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#define GST_RIFF_AVIH_COPYRIGHTED 0x00020000 /* contains copyrighted data */
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guint32 tot_frames; /* # of frames (all) */
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guint32 init_frames; /* initial frames (???) */
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guint32 streams;
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guint32 bufsize; /* suggested buffer size */
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guint32 width;
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guint32 height;
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guint32 scale;
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guint32 rate;
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guint32 start;
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guint32 length;
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} gst_riff_avih;
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/* vprp (video properties) ODML header */
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/* see ODML spec for some/more explanation */
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#define GST_RIFF_TAG_vprp GST_MAKE_FOURCC ('v','p','r','p')
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#define GST_RIFF_DXSB GST_MAKE_FOURCC ('D','X','S','B')
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#define GST_RIFF_VPRP_VIDEO_FIELDS (2)
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typedef struct _gst_riff_vprp_video_field_desc {
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guint32 compressed_bm_height;
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guint32 compressed_bm_width;
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guint32 valid_bm_height;
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guint32 valid_bm_width;
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guint32 valid_bm_x_offset;
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guint32 valid_bm_y_offset;
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guint32 video_x_t_offset;
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guint32 video_y_start;
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} gst_riff_vprp_video_field_desc;
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typedef struct _gst_riff_vprp {
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guint32 format_token; /* whether fields defined by standard */
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guint32 standard; /* video display standard, UNKNOWN, PAL, etc */
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guint32 vert_rate; /* vertical refresh rate */
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guint32 hor_t_total; /* width */
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guint32 vert_lines; /* height */
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guint32 aspect; /* aspect ratio high word:low word */
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guint32 width; /* active width */
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guint32 height; /* active height */
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guint32 fields; /* field count */
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gst_riff_vprp_video_field_desc field_info[GST_RIFF_VPRP_VIDEO_FIELDS];
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} gst_riff_vprp;
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#endif /* __GST_AVI_H__ */
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