1 /* GStreamer 2 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public 15 * License along with this library; if not, write to the 16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20 #ifndef __GST_AVI_H__ 21 #define __GST_AVI_H__ 22 23 #include <gst/gst.h> 24 25 typedef struct _gst_riff_avih { 26 guint32 us_frame; /* microsec per frame */ 27 guint32 max_bps; /* byte/s overall */ 28 guint32 pad_gran; /* pad_granularity */ 29 guint32 flags; 30 /* flags values */ 31 #define GST_RIFF_AVIH_HASINDEX 0x00000010 /* has idx1 chunk */ 32 #define GST_RIFF_AVIH_MUSTUSEINDEX 0x00000020 /* must use idx1 chunk to determine order */ 33 #define GST_RIFF_AVIH_ISINTERLEAVED 0x00000100 /* AVI file is interleaved */ 34 #define GST_RIFF_AVIH_TRUSTCKTYPE 0x00000800 /* Use CKType to find key frames */ 35 #define GST_RIFF_AVIH_WASCAPTUREFILE 0x00010000 /* specially allocated used for capturing real time video */ 36 #define GST_RIFF_AVIH_COPYRIGHTED 0x00020000 /* contains copyrighted data */ 37 guint32 tot_frames; /* # of frames (all) */ 38 guint32 init_frames; /* initial frames (???) */ 39 guint32 streams; 40 guint32 bufsize; /* suggested buffer size */ 41 guint32 width; 42 guint32 height; 43 guint32 scale; 44 guint32 rate; 45 guint32 start; 46 guint32 length; 47 } gst_riff_avih; 48 49 /* vprp (video properties) ODML header */ 50 /* see ODML spec for some/more explanation */ 51 #define GST_RIFF_TAG_vprp GST_MAKE_FOURCC ('v','p','r','p') 52 #define GST_RIFF_DXSB GST_MAKE_FOURCC ('D','X','S','B') 53 #define GST_RIFF_VPRP_VIDEO_FIELDS (2) 54 55 typedef struct _gst_riff_vprp_video_field_desc { 56 guint32 compressed_bm_height; 57 guint32 compressed_bm_width; 58 guint32 valid_bm_height; 59 guint32 valid_bm_width; 60 guint32 valid_bm_x_offset; 61 guint32 valid_bm_y_offset; 62 guint32 video_x_t_offset; 63 guint32 video_y_start; 64 } gst_riff_vprp_video_field_desc; 65 66 typedef struct _gst_riff_vprp { 67 guint32 format_token; /* whether fields defined by standard */ 68 guint32 standard; /* video display standard, UNKNOWN, PAL, etc */ 69 guint32 vert_rate; /* vertical refresh rate */ 70 guint32 hor_t_total; /* width */ 71 guint32 vert_lines; /* height */ 72 guint32 aspect; /* aspect ratio high word:low word */ 73 guint32 width; /* active width */ 74 guint32 height; /* active height */ 75 guint32 fields; /* field count */ 76 gst_riff_vprp_video_field_desc field_info[GST_RIFF_VPRP_VIDEO_FIELDS]; 77 } gst_riff_vprp; 78 79 #endif /* __GST_AVI_H__ */ 80