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https://github.com/FFmpeg/FFmpeg.git
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69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
/*
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* Constants for DV codec
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* Copyright (c) 2002 Fabrice Bellard
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* Constants for DV codec.
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*/
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#ifndef AVCODEC_DV_H
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#define AVCODEC_DV_H
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enum DVSectionType {
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DV_SECT_HEADER = 0x1f,
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DV_SECT_SUBCODE = 0x3f,
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DV_SECT_VAUX = 0x56,
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DV_SECT_AUDIO = 0x76,
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DV_SECT_VIDEO = 0x96,
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};
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enum DVPackType {
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DV_HEADER525 = 0x3f, /* see dv_write_pack for important details on */
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DV_HEADER625 = 0xbf, /* these two packs */
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DV_TIMECODE = 0x13,
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DV_AUDIO_SOURCE = 0x50,
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DV_AUDIO_CONTROL = 0x51,
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DV_AUDIO_RECDATE = 0x52,
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DV_AUDIO_RECTIME = 0x53,
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DV_VIDEO_SOURCE = 0x60,
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DV_VIDEO_CONTROL = 0x61,
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DV_VIDEO_RECDATE = 0x62,
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DV_VIDEO_RECTIME = 0x63,
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DV_UNKNOWN_PACK = 0xff,
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};
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#define DV_PROFILE_IS_HD(p) ((p)->video_stype & 0x10)
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#define DV_PROFILE_IS_1080i50(p) (((p)->video_stype == 0x14) && ((p)->dsf == 1))
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#define DV_PROFILE_IS_1080i60(p) (((p)->video_stype == 0x14) && ((p)->dsf == 0))
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#define DV_PROFILE_IS_720p50(p) (((p)->video_stype == 0x18) && ((p)->dsf == 1))
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/**
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* largest possible DV frame, in bytes (1080i50)
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*/
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#define DV_MAX_FRAME_SIZE 576000
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/**
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* maximum number of blocks per macroblock in any DV format
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*/
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#define DV_MAX_BPM 8
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#endif /* AVCODEC_DV_H */
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