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565e4993c6
Any alleged performance benefits gained from the split are purely mythological and do not justify added code complexity.
46 lines
1.9 KiB
C
46 lines
1.9 KiB
C
/*
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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_AUDIO_H
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#define AVFILTER_AUDIO_H
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#include "avfilter.h"
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/** default handler for get_audio_buffer() for audio inputs */
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AVFilterBufferRef *ff_default_get_audio_buffer(AVFilterLink *link, int perms,
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int nb_samples);
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/** get_audio_buffer() handler for filters which simply pass audio along */
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AVFilterBufferRef *ff_null_get_audio_buffer(AVFilterLink *link, int perms,
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int nb_samples);
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/**
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* Request an audio samples buffer with a specific set of permissions.
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*
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* @param link the output link to the filter from which the buffer will
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* be requested
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* @param perms the required access permissions
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* @param nb_samples the number of samples per channel
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* @return A reference to the samples. This must be unreferenced with
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* avfilter_unref_buffer when you are finished with it.
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*/
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AVFilterBufferRef *ff_get_audio_buffer(AVFilterLink *link, int perms,
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int nb_samples);
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#endif /* AVFILTER_AUDIO_H */
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