| /* | |
| * Copyright (c) Stefano Sabatini | stefasab at gmail.com | |
| * Copyright (c) S.N. Hemanth Meenakshisundaram | smeenaks at ucsd.edu | |
| * | |
| * This file is part of FFmpeg. | |
| * | |
| * FFmpeg is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU Lesser General Public | |
| * License as published by the Free Software Foundation; either | |
| * version 2.1 of the License, or (at your option) any later version. | |
| * | |
| * FFmpeg is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| * Lesser General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU Lesser General Public | |
| * License along with FFmpeg; if not, write to the Free Software | |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| */ | |
| /** | |
| * An AVFilterPad array whose only entry has name "default" | |
| * and is of type AVMEDIA_TYPE_AUDIO. | |
| */ | |
| extern const AVFilterPad ff_audio_default_filterpad[1]; | |
| /** default handler for get_audio_buffer() for audio inputs */ | |
| AVFrame *ff_default_get_audio_buffer(AVFilterLink *link, int nb_samples); | |
| /** get_audio_buffer() handler for filters which simply pass audio along */ | |
| AVFrame *ff_null_get_audio_buffer(AVFilterLink *link, int nb_samples); | |
| /** | |
| * Request an audio samples buffer with a specific set of permissions. | |
| * | |
| * @param link the output link to the filter from which the buffer will | |
| * be requested | |
| * @param nb_samples the number of samples per channel | |
| * @return on success an AVFrame owned by the caller, NULL on error | |
| */ | |
| AVFrame *ff_get_audio_buffer(AVFilterLink *link, int nb_samples); | |