2011-12-21 20:39:18 +01:00
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/*
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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 AVFILTER_BUFFERSRC_H
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#define AVFILTER_BUFFERSRC_H
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/**
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* @file
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* Memory buffer source API.
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*/
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#include "avfilter.h"
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2012-04-27 20:02:52 +02:00
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enum {
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/**
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* Do not check for format changes.
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*/
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AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT = 1,
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/**
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* Do not copy buffer data.
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*/
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AV_BUFFERSRC_FLAG_NO_COPY = 2,
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};
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/**
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2012-05-06 16:17:08 +02:00
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* Add buffer data in picref to buffer_src.
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2012-04-27 20:02:52 +02:00
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*
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* @param buffer_src pointer to a buffer source context
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* @param picref a buffer reference, or NULL to mark EOF
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* @param flags a combination of AV_BUFFERSRC_FLAG_*
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* @return >= 0 in case of success, a negative AVERROR code
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* in case of failure
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*/
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int av_buffersrc_add_ref(AVFilterContext *buffer_src,
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AVFilterBufferRef *picref, int flags);
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2012-05-05 09:50:30 +02:00
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/**
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* Get the number of failed requests.
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*
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* A failed request is when the request_frame method is called while no
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* frame is present in the buffer.
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* The number is reset when a frame is added.
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*/
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unsigned av_buffersrc_get_nb_failed_requests(AVFilterContext *buffer_src);
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2011-12-21 20:39:18 +01:00
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#endif /* AVFILTER_BUFFERSRC_H */
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