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
|
/**********************************************************************
Audacity: A Digital Audio Editor
AVCodecFunctions.h
Dmitry Vedenko
**********************************************************************/
#pragma once
#include <cstdint>
#include "FFmpegTypes.h"
typedef struct AVCodecParameters AVCodecParameters;
struct FFMPEG_SUPPORT_API AVCodecFunctions
{
FFMPegVersion AVCodecVersion;
void (*av_packet_ref) (AVPacket* dst, const AVPacket* src) = nullptr;
void (*av_packet_unref) (AVPacket* pkt) = nullptr;
void (*av_init_packet) (AVPacket *pkt) = nullptr;
AVCodec* (*avcodec_find_encoder) (AVCodecIDFwd id) = nullptr;
AVCodec* (*avcodec_find_encoder_by_name) (const char *name) = nullptr;
AVCodec* (*avcodec_find_decoder) (AVCodecIDFwd id) = nullptr;
const char* (*avcodec_get_name) (AVCodecIDFwd id) = nullptr;
int (*avcodec_open2) (AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options) = nullptr;
int (*avcodec_is_open) (AVCodecContext *avctx) = nullptr;
int (*avcodec_close) (AVCodecContext *avctx) = nullptr;
AVCodecContext* (*avcodec_alloc_context3) (const AVCodec* codec) = nullptr;
int (*av_codec_is_encoder) (const AVCodec *codec) = nullptr;
int (*avcodec_fill_audio_frame) (AVFrame *frame, int nb_channels, AVSampleFormatFwd sample_fmt, const uint8_t *buf, int buf_size, int align) = nullptr;
// The following functions are not present in all library versions:
AVPacket* (*av_packet_alloc) () = nullptr;
void (*av_packet_free)(AVPacket** pkt) = nullptr;
void (*avcodec_free_context) (AVCodecContext** avctx) = nullptr;
int (*avcodec_parameters_to_context)(AVCodecContext* codec, const AVCodecParameters* par) = nullptr;
int (*avcodec_parameters_from_context)(AVCodecParameters *par, const AVCodecContext *codec)= nullptr;
int (*avcodec_decode_audio4) (AVCodecContext *avctx, AVFrame *frame, int *got_output, const AVPacket *avpkt) = nullptr;
int (*avcodec_encode_audio2) (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_output) = nullptr;
void (*avcodec_register_all)(void) = nullptr;
AVCodec* (*av_codec_next)(const AVCodec* c) = nullptr;
const AVCodec* (*av_codec_iterate)(void** opaque) = nullptr;
// New API for decoding and encoding. Audacity will preffer it when available.
int (*avcodec_send_packet)(AVCodecContext* avctx, const AVPacket* avpkt) = nullptr;
int (*avcodec_receive_frame)(AVCodecContext* avctx, AVFrame* frame) = nullptr;
int (*avcodec_send_frame)(AVCodecContext* avctx, const AVFrame* frame) = nullptr;
int (*avcodec_receive_packet)(AVCodecContext* avctx, AVPacket* avpkt) = nullptr;
};
|
