mirror of
https://github.com/xenia-project/FFmpeg.git
synced 2024-11-24 03:59:43 +00:00
8bd74aafe8
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
/*
|
|
* 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
|
|
*/
|
|
|
|
#ifndef AVFILTER_AUDIO_H
|
|
#define AVFILTER_AUDIO_H
|
|
|
|
#include "avfilter.h"
|
|
#include "internal.h"
|
|
|
|
static const enum AVSampleFormat ff_packed_sample_fmts_array[] = {
|
|
AV_SAMPLE_FMT_U8,
|
|
AV_SAMPLE_FMT_S16,
|
|
AV_SAMPLE_FMT_S32,
|
|
AV_SAMPLE_FMT_FLT,
|
|
AV_SAMPLE_FMT_DBL,
|
|
AV_SAMPLE_FMT_NONE
|
|
};
|
|
|
|
static const enum AVSampleFormat ff_planar_sample_fmts_array[] = {
|
|
AV_SAMPLE_FMT_U8P,
|
|
AV_SAMPLE_FMT_S16P,
|
|
AV_SAMPLE_FMT_S32P,
|
|
AV_SAMPLE_FMT_FLTP,
|
|
AV_SAMPLE_FMT_DBLP,
|
|
AV_SAMPLE_FMT_NONE
|
|
};
|
|
|
|
/** 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 A reference to the samples. This must be unreferenced with
|
|
* avfilter_unref_buffer when you are finished with it.
|
|
*/
|
|
AVFrame *ff_get_audio_buffer(AVFilterLink *link, int nb_samples);
|
|
|
|
#endif /* AVFILTER_AUDIO_H */
|