20 #include <fdk-aac/aacenc_lib.h> 30 #ifdef AACENCODER_LIB_VL0 31 #define FDKENC_VER_AT_LEAST(vl0, vl1) \ 32 ((AACENCODER_LIB_VL0 > vl0) || \ 33 (AACENCODER_LIB_VL0 == vl0 && AACENCODER_LIB_VL1 >= vl1)) 35 #define FDKENC_VER_AT_LEAST(vl0, vl1) 0 54 {
"eld_sbr",
"Enable SBR for ELD (for SBR in other configurations, use the -profile parameter)", offsetof(
AACContext,
eld_sbr),
AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1,
AV_OPT_FLAG_AUDIO_PARAM |
AV_OPT_FLAG_ENCODING_PARAM },
55 #if FDKENC_VER_AT_LEAST(4, 0) // 4.0.0 58 {
"signaling",
"SBR/PS signaling style", offsetof(
AACContext,
signaling),
AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 2,
AV_OPT_FLAG_AUDIO_PARAM |
AV_OPT_FLAG_ENCODING_PARAM,
"signaling" },
59 {
"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" },
61 {
"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" },
82 case AACENC_INVALID_HANDLE:
83 return "Invalid handle";
84 case AACENC_MEMORY_ERROR:
85 return "Memory allocation error";
86 case AACENC_UNSUPPORTED_PARAMETER:
87 return "Unsupported parameter";
88 case AACENC_INVALID_CONFIG:
89 return "Invalid config";
90 case AACENC_INIT_ERROR:
91 return "Initialization error";
92 case AACENC_INIT_AAC_ERROR:
93 return "AAC library initialization error";
94 case AACENC_INIT_SBR_ERROR:
95 return "SBR library initialization error";
96 case AACENC_INIT_TP_ERROR:
97 return "Transport library initialization error";
98 case AACENC_INIT_META_ERROR:
99 return "Metadata library initialization error";
100 case AACENC_ENCODE_ERROR:
101 return "Encoding error";
102 case AACENC_ENCODE_EOF:
103 return "End of file";
105 return "Unknown error";
125 AACENC_InfoStruct
info = { 0 };
129 int sce = 0, cpe = 0;
131 if ((err = aacEncOpen(&s->
handle, 0, avctx->
channels)) != AACENC_OK) {
140 if ((err = aacEncoder_SetParam(s->
handle, AACENC_AOT, aot)) != AACENC_OK) {
147 if ((err = aacEncoder_SetParam(s->
handle, AACENC_SBR_MODE,
155 if ((err = aacEncoder_SetParam(s->
handle, AACENC_SAMPLERATE,
163 case 1: mode = MODE_1; sce = 1; cpe = 0;
break;
165 #if FDKENC_VER_AT_LEAST(4, 0) // 4.0.0 168 if ((err = aacEncoder_SetParam(s->
handle, AACENC_CHANNELMODE,
169 128)) != AACENC_OK) {
186 case 3: mode = MODE_1_2; sce = 1; cpe = 1;
break;
187 case 4: mode = MODE_1_2_1; sce = 2; cpe = 1;
break;
188 case 5: mode = MODE_1_2_2; sce = 1; cpe = 2;
break;
189 case 6: mode = MODE_1_2_2_1; sce = 2; cpe = 2;
break;
192 #if FDKENC_VER_AT_LEAST(3, 4) // 3.4.12 197 mode = MODE_7_1_REAR_SURROUND;
200 mode = MODE_7_1_FRONT_CENTER;
206 "Unsupported number of channels %d\n", avctx->
channels);
210 if ((err = aacEncoder_SetParam(s->
handle, AACENC_CHANNELMODE,
211 mode)) != AACENC_OK) {
213 "Unable to set channel mode %d: %s\n", mode,
aac_get_error(err));
217 if ((err = aacEncoder_SetParam(s->
handle, AACENC_CHANNELORDER,
220 "Unable to set wav channel order %d: %s\n",
229 "VBR quality %d out of range, should be 1-5\n", mode);
233 "Note, the VBR setting is unsupported and only works with " 234 "some parameter combinations\n");
235 if ((err = aacEncoder_SetParam(s->
handle, AACENC_BITRATEMODE,
236 mode)) != AACENC_OK) {
254 if ((err = aacEncoder_SetParam(s->
handle, AACENC_BITRATE,
264 if ((err = aacEncoder_SetParam(s->
handle, AACENC_TRANSMUX,
266 s->
latm ? TT_MP4_LOAS : TT_MP4_ADTS)) != AACENC_OK) {
273 if ((err = aacEncoder_SetParam(s->
handle, AACENC_HEADER_PERIOD,
287 if ((err = aacEncoder_SetParam(s->
handle, AACENC_SIGNALING_MODE,
294 if ((err = aacEncoder_SetParam(s->
handle, AACENC_AFTERBURNER,
307 if ((err = aacEncoder_SetParam(s->
handle, AACENC_BANDWIDTH,
308 avctx->
cutoff)) != AACENC_OK) {
321 if ((err = aacEncInfo(s->
handle, &info)) != AACENC_OK) {
328 #if FDKENC_VER_AT_LEAST(4, 0) // 4.0.0 344 memcpy(avctx->
extradata, info.confBuf, info.confSize);
356 AACENC_BufDesc in_buf = { 0 }, out_buf = { 0 };
357 AACENC_InArgs in_args = { 0 };
358 AACENC_OutArgs out_args = { 0 };
359 int in_buffer_identifier = IN_AUDIO_DATA;
360 int in_buffer_size, in_buffer_element_size;
361 int out_buffer_identifier = OUT_BITSTREAM_DATA;
362 int out_buffer_size, out_buffer_element_size;
363 void *in_ptr, *out_ptr;
375 in_args.numInSamples = -1;
377 in_ptr = frame->
data[0];
387 in_buffer_element_size = 2;
389 in_buf.bufs = &in_ptr;
390 in_buf.bufferIdentifiers = &in_buffer_identifier;
391 in_buf.bufSizes = &in_buffer_size;
392 in_buf.bufElSizes = &in_buffer_element_size;
398 out_ptr = avpkt->
data;
399 out_buffer_size = avpkt->
size;
400 out_buffer_element_size = 1;
402 out_buf.bufs = &out_ptr;
403 out_buf.bufferIdentifiers = &out_buffer_identifier;
404 out_buf.bufSizes = &out_buffer_size;
405 out_buf.bufElSizes = &out_buffer_element_size;
407 if ((err = aacEncEncode(s->
handle, &in_buf, &out_buf, &in_args,
408 &out_args)) != AACENC_OK) {
409 if (!frame && err == AACENC_ENCODE_EOF)
416 if (!out_args.numOutBytes)
423 avpkt->
size = out_args.numOutBytes;
449 #if FDKENC_VER_AT_LEAST(3, 4) // 3.4.12 457 96000, 88200, 64000, 48000, 44100, 32000,
458 24000, 22050, 16000, 12000, 11025, 8000, 0
462 .
name =
"libfdk_aac",
478 .wrapper_name =
"libfdk",
void ff_af_queue_remove(AudioFrameQueue *afq, int nb_samples, int64_t *pts, int64_t *duration)
Remove frame(s) from the queue.
#define AV_CH_LAYOUT_7POINT1
This structure describes decoded (raw) audio or video data.
static const int aac_sample_rates[]
#define AV_LOG_WARNING
Something somehow does not look correct.
int64_t bit_rate
the average bitrate
#define AV_CH_LAYOUT_SURROUND
#define LIBAVUTIL_VERSION_INT
static av_cold int init(AVCodecContext *avctx)
#define FF_PROFILE_MPEG2_AAC_HE
#define AV_OPT_FLAG_AUDIO_PARAM
const char * av_default_item_name(void *ptr)
Return the context name.
#define AV_CH_LAYOUT_4POINT0
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
#define AV_CH_LAYOUT_STEREO
static void error(const char *err)
#define FF_PROFILE_AAC_HE_V2
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
#define AV_CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int64_t min_size)
Check AVPacket size and/or allocate data.
static int aac_encode_close(AVCodecContext *avctx)
AVCodec ff_libfdk_aac_encoder
av_cold void ff_af_queue_init(AVCodecContext *avctx, AudioFrameQueue *afq)
Initialize AudioFrameQueue.
int64_t duration
Duration of this packet in AVStream->time_base units, 0 if unknown.
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
static const AVClass aac_enc_class
#define FF_PROFILE_AAC_LD
#define AV_OPT_FLAG_ENCODING_PARAM
a generic parameter which can be set by the user for muxing or encoding
static av_cold int aac_encode_init(AVCodecContext *avctx)
#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. ...
#define FF_AAC_PROFILE_OPTS
int initial_padding
Audio only.
int flags
AV_CODEC_FLAG_*.
const char * name
Name of the codec implementation.
int ff_af_queue_add(AudioFrameQueue *afq, const AVFrame *f)
Add a frame to the queue.
#define FF_PROFILE_AAC_ELD
uint64_t channel_layout
Audio channel layout.
audio channel layout utility functions
#define AV_CODEC_FLAG_QSCALE
Use fixed qscale.
#define AV_CODEC_CAP_SMALL_LAST_FRAME
Codec can be fed a final frame with a smaller size.
#define FF_PROFILE_AAC_LOW
#define FF_PROFILE_UNKNOWN
#define AV_CH_LAYOUT_5POINT1_BACK
int frame_size
Number of samples per channel in an audio frame.
Libavcodec external API header.
AVSampleFormat
Audio sample formats.
int sample_rate
samples per second
main external API structure.
static const AVCodecDefault aac_encode_defaults[]
Describe the class of an AVClass context structure.
#define AV_CH_LAYOUT_7POINT1_WIDE_BACK
static const AVProfile profiles[]
#define AV_CH_LAYOUT_5POINT0_BACK
int global_quality
Global quality for codecs which cannot change it per frame.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
#define AV_CODEC_FLAG_GLOBAL_HEADER
Place global headers in extradata instead of every keyframe.
common internal api header.
common internal and external API header
static const AVOption aac_enc_options[]
static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr)
#define AV_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
int cutoff
Audio cutoff bandwidth (0 means "automatic")
int channels
number of audio channels
static const uint64_t aac_channel_layout[]
void ff_af_queue_close(AudioFrameQueue *afq)
Close AudioFrameQueue.
#define FF_PROFILE_AAC_HE
static enum AVSampleFormat sample_fmts[]
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a all references to both lists are replaced with a reference to the intersection And when a single format is eventually chosen for a link amongst the remaining all references to the list are updated That means that if a filter requires that its input and output have the same format amongst a supported all it has to do is use a reference to the same list of formats query_formats can leave some formats unset and return AVERROR(EAGAIN) to cause the negotiation mechanism toagain later.That can be used by filters with complex requirements to use the format negotiated on one link to set the formats supported on another.Frame references ownership and permissions
#define AV_CH_LAYOUT_MONO
This structure stores compressed data.
mode
Use these values in ebur128_init (or'ed).
int nb_samples
number of audio samples (per channel) described by this frame
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
static const char * aac_get_error(AACENC_ERROR err)