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65 lines
1.8 KiB
65 lines
1.8 KiB
/* |
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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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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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* Add buffer data in picref to buffer_src. |
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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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/** |
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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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#endif /* AVFILTER_BUFFERSRC_H */
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