37 return avctx->
bit_rate <= 14000 ? 30 : 20;
81 int buf_size = avpkt->
size;
86 if (s->
decoder.no_of_bytes > buf_size) {
88 buf_size, s->
decoder.no_of_bytes);
98 WebRtcIlbcfix_DecodeImpl((int16_t *) frame->
data[0], (
const uint16_t *) buf, &s->
decoder, 1);
114 .priv_class = &ilbc_dec_class,
160 const AVFrame *frame,
int *got_packet_ptr)
170 WebRtcIlbcfix_EncodeImpl((uint16_t *) avpkt->
data, (
const int16_t *) frame->
data[0], &s->
encoder);
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
This structure describes decoded (raw) audio or video data.
static int ilbc_decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt)
static av_cold int ilbc_decode_init(AVCodecContext *avctx)
#define AV_OPT_FLAG_AUDIO_PARAM
av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (%s)\, len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt), use_generic ? ac->func_descr_generic :ac->func_descr)
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
enum AVSampleFormat sample_fmt
audio sample format
AVCodec ff_libilbc_decoder
static av_cold int ilbc_encode_init(AVCodecContext *avctx)
static const AVCodecDefault ilbc_encode_defaults[]
#define AV_OPT_FLAG_ENCODING_PARAM
a generic parameter which can be set by the user for muxing or encoding
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
const char * name
Name of the codec implementation.
uint64_t channel_layout
Audio channel layout.
static const AVClass ilbc_enc_class
int bit_rate
the average bitrate
audio channel layout utility functions
AVCodec ff_libilbc_encoder
static int decode(AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *pkt)
int ff_alloc_packet(AVPacket *avpkt, int size)
Check AVPacket size and/or allocate data.
int frame_size
Number of samples per channel in an audio frame.
static int ilbc_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr)
Libavcodec external API header.
AVSampleFormat
Audio Sample Formats.
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
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
common internal api header.
common internal and external API header
static av_cold int init(AVCodecParserContext *s)
int channels
number of audio channels
static const AVOption ilbc_enc_options[]
static enum AVSampleFormat sample_fmts[]
static const AVOption ilbc_dec_options[]
#define AV_CH_LAYOUT_MONO
This structure stores compressed data.
int nb_samples
number of audio samples (per channel) described by this frame
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.