cngenc.c File Reference

#include <math.h>
#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "libavutil/mem.h"
#include "avcodec.h"
#include "codec_internal.h"
#include "encode.h"
#include "lpc.h"

Go to the source code of this file.

Data Structures
struct	CNGContext

Functions
static av_cold int	cng_encode_close (AVCodecContext *avctx)
static av_cold int	cng_encode_init (AVCodecContext *avctx)
static int	cng_encode_frame (AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr)

Variables
const FFCodec	ff_comfortnoise_encoder

Function Documentation

cng_encode_close()

static av_cold int cng_encode_close ( AVCodecContext *  avctx )

static

Definition at line 39 of file cngenc.c.

cng_encode_init()

static av_cold int cng_encode_init ( AVCodecContext *  avctx )

static

Definition at line 48 of file cngenc.c.

cng_encode_frame()

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

static

Definition at line 65 of file cngenc.c.

Variable Documentation

ff_comfortnoise_encoder

const FFCodec ff_comfortnoise_encoder

Initial value:

= {
    .p.name         = "comfortnoise",
    CODEC_LONG_NAME("RFC 3389 comfort noise generator"),
    .p.type         = AVMEDIA_TYPE_AUDIO,
    .p.id           = AV_CODEC_ID_COMFORT_NOISE,
    .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
    .priv_data_size = sizeof(CNGContext),
    .init           = cng_encode_init,
    FF_CODEC_ENCODE_CB(cng_encode_frame),
    .close          = cng_encode_close,
    .p.sample_fmts  = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16,
                                                     AV_SAMPLE_FMT_NONE },
    .p.ch_layouts   = (const AVChannelLayout[]){ AV_CHANNEL_LAYOUT_MONO, { 0 } },
    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
}

Definition at line 101 of file cngenc.c.