24 #include "libavutil/channel_layout.h"
25 #include "libavutil/common.h"
26 #include "libavutil/opt.h"
37 return avctx->
bit_rate <= 14000 ? 30 : 20;
84 int buf_size = avpkt->
size;
89 if (s->
decoder.no_of_bytes > buf_size) {
91 buf_size, s->
decoder.no_of_bytes);
99 WebRtcIlbcfix_DecodeImpl((WebRtc_Word16*) frame->
data[0],
100 (
const WebRtc_UWord16*) buf, &s->
decoder, 1);
116 .priv_class = &ilbc_dec_class,
173 WebRtcIlbcfix_EncodeImpl((WebRtc_UWord16*) avpkt->
data, (
const WebRtc_Word16*) frame->
data[0], &s->
encoder);
int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size)
Check AVPacket size and/or allocate data.
This structure describes decoded (raw) audio or video data.
static int ilbc_decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt)
#define LIBAVUTIL_VERSION_INT
static av_cold int init(AVCodecContext *avctx)
static av_cold int ilbc_decode_init(AVCodecContext *avctx)
void av_log(void *avcl, int level, const char *fmt,...) av_printf_format(3
Send the specified message to the log if the level is less than or equal to the current av_log_level...
static int get_mode(AVCodecContext *avctx)
int block_align
number of bytes per packet if constant and known or 0 Used by some WAV based audio codecs...
static const AVClass ilbc_dec_class
const char * av_default_item_name(void *ctx)
Return the context name.
enum AVSampleFormat sample_fmt
audio sample format
AVCodec ff_libilbc_decoder
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
const char * name
Name of the codec implementation.
#define CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
static av_cold int ilbc_encode_init(AVCodecContext *avctx)
static const AVCodecDefault ilbc_encode_defaults[]
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
#define AV_OPT_FLAG_AUDIO_PARAM
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Libavcodec external API header.
uint64_t channel_layout
Audio channel layout.
static const AVClass ilbc_enc_class
int bit_rate
the average bitrate
AVCodec ff_libilbc_encoder
int frame_size
Number of samples per channel in an audio frame.
AVSampleFormat
Audio Sample Formats.
static int ilbc_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr)
int sample_rate
samples per second
main external API structure.
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
Describe the class of an AVClass context structure.
#define AV_OPT_FLAG_DECODING_PARAM
a generic parameter which can be set by the user for demuxing or decoding
common internal api header.
#define AV_OPT_FLAG_ENCODING_PARAM
a generic parameter which can be set by the user for muxing or encoding
#define AVERROR_INVALIDDATA
int channels
number of audio channels
static const AVOption ilbc_enc_options[]
static enum AVSampleFormat sample_fmts[]
static const AVOption ilbc_dec_options[]
static int decode(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
#define AV_CH_LAYOUT_MONO
This structure stores compressed data.
int nb_samples
number of audio samples (per channel) described by this frame
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.