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45 lines
1.9 KiB
45 lines
1.9 KiB
/* |
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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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