FFmpeg
Data Structures | Macros | Functions | Variables
libshine.c File Reference
#include <shine/layer3.h>
#include "libavutil/channel_layout.h"
#include "libavutil/intreadwrite.h"
#include "audio_frame_queue.h"
#include "avcodec.h"
#include "encode.h"
#include "internal.h"
#include "mpegaudio.h"
#include "mpegaudiodecheader.h"

Go to the source code of this file.

Data Structures

struct  SHINEContext
 

Macros

#define BUFFER_SIZE   (4096 * 20)
 

Functions

static av_cold int libshine_encode_init (AVCodecContext *avctx)
 
static int libshine_encode_frame (AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr)
 
static av_cold int libshine_encode_close (AVCodecContext *avctx)
 

Variables

static const int libshine_sample_rates []
 
const AVCodec ff_libshine_encoder
 

Macro Definition Documentation

◆ BUFFER_SIZE

#define BUFFER_SIZE   (4096 * 20)

Definition at line 33 of file libshine.c.

Function Documentation

◆ libshine_encode_init()

static av_cold int libshine_encode_init ( AVCodecContext avctx)
static

Definition at line 43 of file libshine.c.

◆ libshine_encode_frame()

static int libshine_encode_frame ( AVCodecContext avctx,
AVPacket avpkt,
const AVFrame frame,
int got_packet_ptr 
)
static

Definition at line 70 of file libshine.c.

◆ libshine_encode_close()

static av_cold int libshine_encode_close ( AVCodecContext avctx)
static

Definition at line 121 of file libshine.c.

Variable Documentation

◆ libshine_sample_rates

const int libshine_sample_rates[]
static
Initial value:
= {
44100, 48000, 32000, 0
}

Definition at line 130 of file libshine.c.

◆ ff_libshine_encoder

const AVCodec ff_libshine_encoder
Initial value:
= {
.name = "libshine",
.long_name = NULL_IF_CONFIG_SMALL("libshine MP3 (MPEG audio layer 3)"),
.priv_data_size = sizeof(SHINEContext),
.supported_samplerates = libshine_sample_rates,
.channel_layouts = (const uint64_t[]) { AV_CH_LAYOUT_MONO,
0 },
.wrapper_name = "libshine",
}

Definition at line 134 of file libshine.c.

libshine_encode_init
static av_cold int libshine_encode_init(AVCodecContext *avctx)
Definition: libshine.c:43
sample_fmts
static enum AVSampleFormat sample_fmts[]
Definition: adpcmenc.c:948
AV_CH_LAYOUT_MONO
#define AV_CH_LAYOUT_MONO
Definition: channel_layout.h:90
libshine_encode_close
static av_cold int libshine_encode_close(AVCodecContext *avctx)
Definition: libshine.c:121
init
static int init
Definition: av_tx.c:47
AV_CODEC_ID_MP3
@ AV_CODEC_ID_MP3
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: codec_id.h:424
AV_CH_LAYOUT_STEREO
#define AV_CH_LAYOUT_STEREO
Definition: channel_layout.h:91
SHINEContext
Definition: libshine.c:35
libshine_sample_rates
static const int libshine_sample_rates[]
Definition: libshine.c:130
AVMEDIA_TYPE_AUDIO
@ AVMEDIA_TYPE_AUDIO
Definition: avutil.h:202
AV_CODEC_CAP_DR1
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() or get_encode_buffer() for allocating buffers and supports custom allocators.
Definition: codec.h:52
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
AV_SAMPLE_FMT_NONE
@ AV_SAMPLE_FMT_NONE
Definition: samplefmt.h:59
AV_SAMPLE_FMT_S16P
@ AV_SAMPLE_FMT_S16P
signed 16 bits, planar
Definition: samplefmt.h:67
AVSampleFormat
AVSampleFormat
Audio sample formats.
Definition: samplefmt.h:58
libshine_encode_frame
static int libshine_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr)
Definition: libshine.c:70
AV_CODEC_CAP_DELAY
#define AV_CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
Definition: codec.h:82