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Data Structures | Functions | Variables
libfdk-aacenc.c File Reference
#include <fdk-aac/aacenc_lib.h>
#include "libavutil/channel_layout.h"
#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "avcodec.h"
#include "audio_frame_queue.h"
#include "internal.h"

Go to the source code of this file.

Data Structures

struct  AACContext
 main AAC context More...
 

Functions

static const char * aac_get_error (AACENC_ERROR err)
 
static int aac_encode_close (AVCodecContext *avctx)
 
static av_cold int aac_encode_init (AVCodecContext *avctx)
 
static int aac_encode_frame (AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr)
 

Variables

static const AVOption aac_enc_options []
 
static const AVClass aac_enc_class
 
static const AVProfile profiles []
 
static const AVCodecDefault aac_encode_defaults []
 
static const uint64_t aac_channel_layout []
 
static const int aac_sample_rates []
 
AVCodec ff_libfdk_aac_encoder
 

Function Documentation

static const char* aac_get_error ( AACENC_ERROR  err)
static

Definition at line 60 of file libfdk-aacenc.c.

Referenced by aac_encode_frame(), and aac_encode_init().

static int aac_encode_close ( AVCodecContext avctx)
static

Definition at line 92 of file libfdk-aacenc.c.

Referenced by aac_encode_init().

static av_cold int aac_encode_init ( AVCodecContext avctx)
static

Definition at line 104 of file libfdk-aacenc.c.

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

Definition at line 309 of file libfdk-aacenc.c.

Variable Documentation

const AVOption aac_enc_options[]
static
Initial value:
= {
{ "afterburner", "Afterburner (improved quality)", 0x42, AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM },
{ "eld_sbr", "Enable SBR for ELD (for SBR in other configurations, use the -profile parameter)", 0x42, AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM },
{ "signaling", "SBR/PS signaling style", 0x42, AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 2, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, "signaling" },
{ "default", "Choose signaling implicitly (explicit hierarchical by default, implicit if global header is disabled)", 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, 0, 0, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, "signaling" },
{ "implicit", "Implicit backwards compatible signaling", 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, 0, 0, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, "signaling" },
{ "explicit_sbr", "Explicit SBR, implicit PS signaling", 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, 0, 0, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, "signaling" },
{ "explicit_hierarchical", "Explicit hierarchical signaling", 0, AV_OPT_TYPE_CONST, { .i64 = 2 }, 0, 0, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, "signaling" },
{ "latm", "Output LATM/LOAS encapsulated data", 0x42, AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM },
{ "header_period", "StreamMuxConfig and PCE repetition period (in frames)", 0x42, AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 0xffff, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM },
{ "vbr", "VBR mode (1-5)", 0x42, AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 5, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM },
{ NULL }
}
#define NULL
Definition: coverity.c:32
#define AV_OPT_FLAG_AUDIO_PARAM
Definition: opt.h:280
#define AV_OPT_FLAG_ENCODING_PARAM
a generic parameter which can be set by the user for muxing or encoding
Definition: opt.h:275

Definition at line 42 of file libfdk-aacenc.c.

const AVClass aac_enc_class
static
Initial value:
= {
}
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
av_default_item_name
static const AVOption aac_enc_options[]
Definition: libfdk-aacenc.c:42

Definition at line 56 of file libfdk-aacenc.c.

const AVProfile profiles[]
static
Initial value:
= {
{ FF_PROFILE_AAC_LOW, "LC" },
{ FF_PROFILE_AAC_HE, "HE-AAC" },
{ FF_PROFILE_AAC_HE_V2, "HE-AACv2" },
{ FF_PROFILE_AAC_LD, "LD" },
{ FF_PROFILE_AAC_ELD, "ELD" },
}
#define FF_PROFILE_AAC_HE_V2
Definition: avcodec.h:3189
#define FF_PROFILE_AAC_LD
Definition: avcodec.h:3190
#define FF_PROFILE_AAC_ELD
Definition: avcodec.h:3191
#define FF_PROFILE_AAC_LOW
Definition: avcodec.h:3185
#define FF_PROFILE_UNKNOWN
Definition: avcodec.h:3181
#define FF_PROFILE_AAC_HE
Definition: avcodec.h:3188

Definition at line 378 of file libfdk-aacenc.c.

const AVCodecDefault aac_encode_defaults[]
static
Initial value:
= {
{ "b", "0" },
{ NULL }
}
#define NULL
Definition: coverity.c:32

Definition at line 387 of file libfdk-aacenc.c.

const uint64_t aac_channel_layout[]
static
Initial value:
= {
0,
}
#define AV_CH_LAYOUT_SURROUND
#define AV_CH_LAYOUT_4POINT0
#define AV_CH_LAYOUT_STEREO
#define AV_CH_LAYOUT_5POINT1_BACK
#define AV_CH_LAYOUT_5POINT0_BACK
#define AV_CH_LAYOUT_MONO

Definition at line 392 of file libfdk-aacenc.c.

const int aac_sample_rates[]
static
Initial value:
= {
96000, 88200, 64000, 48000, 44100, 32000,
24000, 22050, 16000, 12000, 11025, 8000, 0
}

Definition at line 406 of file libfdk-aacenc.c.

AVCodec ff_libfdk_aac_encoder
Initial value:
= {
.name = "libfdk_aac",
.long_name = NULL_IF_CONFIG_SMALL("Fraunhofer FDK AAC"),
.priv_data_size = sizeof(AACContext),
.encode2 = aac_encode_frame,
.close = aac_encode_close,
.priv_class = &aac_enc_class,
.defaults = aac_encode_defaults,
.profiles = profiles,
.supported_samplerates = aac_sample_rates,
.channel_layouts = aac_channel_layout,
}
static const int aac_sample_rates[]
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
#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: avcodec.h:983
static int aac_encode_close(AVCodecContext *avctx)
Definition: libfdk-aacenc.c:92
static const AVClass aac_enc_class
Definition: libfdk-aacenc.c:56
static av_cold int aac_encode_init(AVCodecContext *avctx)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:176
#define AV_CODEC_CAP_SMALL_LAST_FRAME
Codec can be fed a final frame with a smaller size.
Definition: avcodec.h:988
AVSampleFormat
Audio sample formats.
Definition: samplefmt.h:58
static const AVCodecDefault aac_encode_defaults[]
static const AVProfile profiles[]
main AAC context
Definition: aac.h:293
signed 16 bits
Definition: samplefmt.h:61
static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr)
static const uint64_t aac_channel_layout[]
static enum AVSampleFormat sample_fmts[]
Definition: adpcmenc.c:701

Definition at line 411 of file libfdk-aacenc.c.