1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
/*
* 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_ASRC_ABUFFER_H
#define AVFILTER_ASRC_ABUFFER_H
#include "avfilter.h"
/**
* @file
* memory buffer source for audio
*/
/**
* Queue an audio buffer to the audio buffer source.
*
* @param abuffersrc audio source buffer context
* @param data pointers to the samples planes
* @param linesize linesizes of each audio buffer plane
* @param nb_samples number of samples per channel
* @param sample_fmt sample format of the audio data
* @param ch_layout channel layout of the audio data
* @param planar flag to indicate if audio data is planar or packed
* @param pts presentation timestamp of the audio buffer
* @param flags unused
*/
int av_asrc_buffer_add_samples(AVFilterContext *abuffersrc,
uint8_t *data[8], int linesize[8],
int nb_samples, int sample_rate,
int sample_fmt, int64_t ch_layout, int planar,
int64_t pts, int av_unused flags);
/**
* Queue an audio buffer to the audio buffer source.
*
* This is similar to av_asrc_buffer_add_samples(), but the samples
* are stored in a buffer with known size.
*
* @param abuffersrc audio source buffer context
* @param buf pointer to the samples data, packed is assumed
* @param size the size in bytes of the buffer, it must contain an
* integer number of samples
* @param sample_fmt sample format of the audio data
* @param ch_layout channel layout of the audio data
* @param pts presentation timestamp of the audio buffer
* @param flags unused
*/
int av_asrc_buffer_add_buffer(AVFilterContext *abuffersrc,
uint8_t *buf, int buf_size,
int sample_rate,
int sample_fmt, int64_t ch_layout, int planar,
int64_t pts, int av_unused flags);
/**
* Queue an audio buffer to the audio buffer source.
*
* @param abuffersrc audio source buffer context
* @param samplesref buffer ref to queue
* @param flags unused
*/
int av_asrc_buffer_add_audio_buffer_ref(AVFilterContext *abuffersrc,
AVFilterBufferRef *samplesref,
int av_unused flags);
#endif /* AVFILTER_ASRC_ABUFFER_H */
|
