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https://github.com/FFmpeg/FFmpeg.git
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5603b2bf6e
Gif demuxer is capable of extracting multiple frames from gif file. In conjunction with gif decoder it implements support for reading animated gifs. Demuxer has two options available to user: default_delay and min_delay. These options are for protection from too rapid gif animations. In practice it is standard approach to slow down rendering of this kind of gifs. If you try to play gif with delay between frames of one hundredth of second (100fps) using one of major web browsers, you get significantly slower playback, around 10 fps. This is because browser detects that delay value is less than some threshold (usually 2 hundredths of second) and reset it to default value (usually 10 hundredths of second, which corresponds to 10fps). Manipulating these options user can achieve the same effect during conversion to some video format. Otherwise user can set them to not protect from rapid animations at all. The other case when these options necessary is for gif images encoded according to gif87a standard since prior to gif89a there was no delay information included in file. Bump lavf minor version. Signed-off-by: Vitaliy E Sugrobov <vsugrob@hotmail.com>
90 lines
3.1 KiB
C
90 lines
3.1 KiB
C
/*
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* Version macros.
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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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#ifndef AVFORMAT_VERSION_H
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#define AVFORMAT_VERSION_H
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/**
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* @file
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* @ingroup libavf
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* Libavformat version macros
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*/
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#include "libavutil/avutil.h"
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#define LIBAVFORMAT_VERSION_MAJOR 54
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#define LIBAVFORMAT_VERSION_MINOR 41
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#define LIBAVFORMAT_VERSION_MICRO 100
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#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
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LIBAVFORMAT_VERSION_MINOR, \
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LIBAVFORMAT_VERSION_MICRO)
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#define LIBAVFORMAT_VERSION AV_VERSION(LIBAVFORMAT_VERSION_MAJOR, \
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LIBAVFORMAT_VERSION_MINOR, \
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LIBAVFORMAT_VERSION_MICRO)
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#define LIBAVFORMAT_BUILD LIBAVFORMAT_VERSION_INT
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#define LIBAVFORMAT_IDENT "Lavf" AV_STRINGIFY(LIBAVFORMAT_VERSION)
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/**
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* FF_API_* defines may be placed below to indicate public API that will be
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* dropped at a future version bump. The defines themselves are not part of
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* the public API and may change, break or disappear at any time.
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*/
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#ifndef FF_API_OLD_AVIO
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#define FF_API_OLD_AVIO (LIBAVFORMAT_VERSION_MAJOR < 55)
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#endif
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#ifndef FF_API_PKT_DUMP
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#define FF_API_PKT_DUMP (LIBAVFORMAT_VERSION_MAJOR < 54)
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#endif
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#ifndef FF_API_ALLOC_OUTPUT_CONTEXT
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#define FF_API_ALLOC_OUTPUT_CONTEXT (LIBAVFORMAT_VERSION_MAJOR < 55)
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#endif
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#ifndef FF_API_FORMAT_PARAMETERS
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#define FF_API_FORMAT_PARAMETERS (LIBAVFORMAT_VERSION_MAJOR < 55)
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#endif
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#ifndef FF_API_NEW_STREAM
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#define FF_API_NEW_STREAM (LIBAVFORMAT_VERSION_MAJOR < 55)
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#endif
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#ifndef FF_API_SET_PTS_INFO
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#define FF_API_SET_PTS_INFO (LIBAVFORMAT_VERSION_MAJOR < 55)
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#endif
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#ifndef FF_API_CLOSE_INPUT_FILE
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#define FF_API_CLOSE_INPUT_FILE (LIBAVFORMAT_VERSION_MAJOR < 55)
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#endif
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#ifndef FF_API_APPLEHTTP_PROTO
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#define FF_API_APPLEHTTP_PROTO (LIBAVFORMAT_VERSION_MAJOR < 55)
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#endif
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#ifndef FF_API_READ_PACKET
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#define FF_API_READ_PACKET (LIBAVFORMAT_VERSION_MAJOR < 55)
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#endif
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#ifndef FF_API_INTERLEAVE_PACKET
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#define FF_API_INTERLEAVE_PACKET (LIBAVFORMAT_VERSION_MAJOR < 55)
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#endif
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#ifndef FF_API_AV_GETTIME
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#define FF_API_AV_GETTIME (LIBAVFORMAT_VERSION_MAJOR < 55)
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#endif
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#ifndef FF_API_R_FRAME_RATE
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#define FF_API_R_FRAME_RATE (LIBAVFORMAT_VERSION_MAJOR < 55)
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#endif
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#endif /* AVFORMAT_VERSION_H */
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