[FFmpeg-cvslog] lavc: add AudioToolbox encoders
Rodger Combs
git at videolan.org
Tue Mar 22 18:51:41 CET 2016
ffmpeg | branch: master | Rodger Combs <rodger.combs at gmail.com> | Tue Feb 23 21:01:24 2016 -0600| [65cff814534cec948f255b48098ad9e543993132] | committer: Rodger Combs
lavc: add AudioToolbox encoders
Fixes trac #4828
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=65cff814534cec948f255b48098ad9e543993132
---
Changelog | 1 +
configure | 10 +
libavcodec/Makefile | 5 +
libavcodec/allcodecs.c | 10 +-
libavcodec/audiotoolboxenc.c | 471 ++++++++++++++++++++++++++++++++++++++++++
libavcodec/version.h | 2 +-
6 files changed, 493 insertions(+), 6 deletions(-)
diff --git a/Changelog b/Changelog
index 29d2290..d70f6f0 100644
--- a/Changelog
+++ b/Changelog
@@ -14,6 +14,7 @@ version <next>:
- MediaCodec H264 decoding
- VC-2 HQ RTP payload format (draft v1) depacketizer
- AudioToolbox audio decoders
+- AudioToolbox audio encoders
version 3.0:
diff --git a/configure b/configure
index cde3096..0987bcd 100755
--- a/configure
+++ b/configure
@@ -2661,6 +2661,16 @@ pcm_alaw_at_decoder_deps="audiotoolbox"
pcm_mulaw_at_decoder_deps="audiotoolbox"
qdmc_at_decoder_deps="audiotoolbox"
qdm2_at_decoder_deps="audiotoolbox"
+aac_at_encoder_deps="audiotoolbox"
+aac_at_encoder_select="audio_frame_queue"
+alac_at_encoder_deps="audiotoolbox"
+alac_at_encoder_select="audio_frame_queue"
+ilbc_at_encoder_deps="audiotoolbox"
+ilbc_at_encoder_select="audio_frame_queue"
+pcm_alaw_at_encoder_deps="audiotoolbox"
+pcm_alaw_at_encoder_select="audio_frame_queue"
+pcm_mulaw_at_encoder_deps="audiotoolbox"
+pcm_mulaw_at_encoder_select="audio_frame_queue"
chromaprint_muxer_deps="chromaprint"
h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"
libcelt_decoder_deps="libcelt"
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 53d3f0d..ef9eb98 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -815,6 +815,11 @@ OBJS-$(CONFIG_PCM_MULAW_AT_DECODER) += audiotoolboxdec.o
OBJS-$(CONFIG_PCM_ALAW_AT_DECODER) += audiotoolboxdec.o
OBJS-$(CONFIG_QDMC_AT_DECODER) += audiotoolboxdec.o
OBJS-$(CONFIG_QDM2_AT_DECODER) += audiotoolboxdec.o
+OBJS-$(CONFIG_AAC_AT_ENCODER) += audiotoolboxenc.o
+OBJS-$(CONFIG_ALAC_AT_ENCODER) += audiotoolboxenc.o
+OBJS-$(CONFIG_ILBC_AT_ENCODER) += audiotoolboxenc.o
+OBJS-$(CONFIG_PCM_ALAW_AT_ENCODER) += audiotoolboxenc.o
+OBJS-$(CONFIG_PCM_MULAW_AT_ENCODER) += audiotoolboxenc.o
OBJS-$(CONFIG_LIBCELT_DECODER) += libcelt_dec.o
OBJS-$(CONFIG_LIBDCADEC_DECODER) += libdcadec.o dca.o
OBJS-$(CONFIG_LIBFAAC_ENCODER) += libfaac.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index e9f971b..a953a16 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -563,18 +563,18 @@ void avcodec_register_all(void)
REGISTER_ENCDEC (XSUB, xsub);
/* external libraries */
- REGISTER_DECODER(AAC_AT, aac_at);
+ REGISTER_ENCDEC (AAC_AT, aac_at);
REGISTER_DECODER(AC3_AT, ac3_at);
REGISTER_DECODER(ADPCM_IMA_QT_AT, adpcm_ima_qt_at);
- REGISTER_DECODER(ALAC_AT, alac_at);
+ REGISTER_ENCDEC (ALAC_AT, alac_at);
REGISTER_DECODER(AMR_NB_AT, amr_nb_at);
REGISTER_DECODER(GSM_MS_AT, gsm_ms_at);
- REGISTER_DECODER(ILBC_AT, ilbc_at);
+ REGISTER_ENCDEC (ILBC_AT, ilbc_at);
REGISTER_DECODER(MP1_AT, mp1_at);
REGISTER_DECODER(MP2_AT, mp2_at);
REGISTER_DECODER(MP3_AT, mp3_at);
- REGISTER_DECODER(PCM_ALAW_AT, pcm_alaw_at);
- REGISTER_DECODER(PCM_MULAW_AT, pcm_mulaw_at);
+ REGISTER_ENCDEC (PCM_ALAW_AT, pcm_alaw_at);
+ REGISTER_ENCDEC (PCM_MULAW_AT, pcm_mulaw_at);
REGISTER_DECODER(QDMC_AT, qdmc_at);
REGISTER_DECODER(QDM2_AT, qdm2_at);
REGISTER_DECODER(LIBCELT, libcelt);
diff --git a/libavcodec/audiotoolboxenc.c b/libavcodec/audiotoolboxenc.c
new file mode 100644
index 0000000..cb53f2a
--- /dev/null
+++ b/libavcodec/audiotoolboxenc.c
@@ -0,0 +1,471 @@
+/*
+ * Audio Toolbox system codecs
+ *
+ * copyright (c) 2016 Rodger Combs
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <AudioToolbox/AudioToolbox.h>
+
+#include "config.h"
+#include "audio_frame_queue.h"
+#include "avcodec.h"
+#include "bytestream.h"
+#include "internal.h"
+#include "libavformat/isom.h"
+#include "libavutil/avassert.h"
+#include "libavutil/opt.h"
+#include "libavutil/log.h"
+
+typedef struct ATDecodeContext {
+ AVClass *av_class;
+ int mode;
+ int quality;
+
+ AudioConverterRef converter;
+ AudioStreamPacketDescription pkt_desc;
+ AVFrame in_frame;
+ AVFrame new_in_frame;
+
+ unsigned pkt_size;
+ AudioFrameQueue afq;
+ int eof;
+ int frame_size;
+} ATDecodeContext;
+
+static UInt32 ffat_get_format_id(enum AVCodecID codec, int profile)
+{
+ switch (codec) {
+ case AV_CODEC_ID_AAC:
+ switch (profile) {
+ case FF_PROFILE_AAC_LOW:
+ default:
+ return kAudioFormatMPEG4AAC;
+ case FF_PROFILE_AAC_HE:
+ return kAudioFormatMPEG4AAC_HE;
+ case FF_PROFILE_AAC_HE_V2:
+ return kAudioFormatMPEG4AAC_HE_V2;
+ case FF_PROFILE_AAC_LD:
+ return kAudioFormatMPEG4AAC_LD;
+ case FF_PROFILE_AAC_ELD:
+ return kAudioFormatMPEG4AAC_ELD;
+ }
+ case AV_CODEC_ID_ADPCM_IMA_QT:
+ return kAudioFormatAppleIMA4;
+ case AV_CODEC_ID_ALAC:
+ return kAudioFormatAppleLossless;
+ case AV_CODEC_ID_ILBC:
+ return kAudioFormatiLBC;
+ case AV_CODEC_ID_PCM_ALAW:
+ return kAudioFormatALaw;
+ case AV_CODEC_ID_PCM_MULAW:
+ return kAudioFormatULaw;
+ default:
+ av_assert0(!"Invalid codec ID!");
+ return 0;
+ }
+}
+
+static void ffat_update_ctx(AVCodecContext *avctx)
+{
+ ATDecodeContext *at = avctx->priv_data;
+ UInt32 size = sizeof(unsigned);
+ AudioConverterPrimeInfo prime_info;
+ AudioStreamBasicDescription out_format;
+
+ AudioConverterGetProperty(at->converter,
+ kAudioConverterPropertyMaximumOutputPacketSize,
+ &size, &at->pkt_size);
+
+ if (at->pkt_size <= 0)
+ at->pkt_size = 1024 * 50;
+
+ size = sizeof(prime_info);
+
+ if (!AudioConverterGetProperty(at->converter,
+ kAudioConverterPrimeInfo,
+ &size, &prime_info)) {
+ avctx->initial_padding = prime_info.leadingFrames;
+ }
+
+ size = sizeof(out_format);
+ if (!AudioConverterGetProperty(at->converter,
+ kAudioConverterCurrentOutputStreamDescription,
+ &size, &out_format)) {
+ if (out_format.mFramesPerPacket)
+ avctx->frame_size = out_format.mFramesPerPacket;
+ if (out_format.mBytesPerPacket && avctx->codec_id == AV_CODEC_ID_ILBC)
+ avctx->block_align = out_format.mBytesPerPacket;
+ }
+
+ at->frame_size = avctx->frame_size;
+ if (avctx->codec_id == AV_CODEC_ID_PCM_MULAW ||
+ avctx->codec_id == AV_CODEC_ID_PCM_ALAW) {
+ at->pkt_size *= 1024;
+ avctx->frame_size *= 1024;
+ }
+}
+
+static int read_descr(GetByteContext *gb, int *tag)
+{
+ int len = 0;
+ int count = 4;
+ *tag = bytestream2_get_byte(gb);
+ while (count--) {
+ int c = bytestream2_get_byte(gb);
+ len = (len << 7) | (c & 0x7f);
+ if (!(c & 0x80))
+ break;
+ }
+ return len;
+}
+
+static int get_ilbc_mode(AVCodecContext *avctx)
+{
+ if (avctx->block_align == 38)
+ return 20;
+ else if (avctx->block_align == 50)
+ return 30;
+ else if (avctx->bit_rate > 0)
+ return avctx->bit_rate <= 14000 ? 30 : 20;
+ else
+ return 30;
+}
+
+static av_cold int ffat_init_encoder(AVCodecContext *avctx)
+{
+ ATDecodeContext *at = avctx->priv_data;
+ OSStatus status;
+
+ AudioStreamBasicDescription in_format = {
+ .mSampleRate = avctx->sample_rate,
+ .mFormatID = kAudioFormatLinearPCM,
+ .mFormatFlags = ((avctx->sample_fmt == AV_SAMPLE_FMT_FLT ||
+ avctx->sample_fmt == AV_SAMPLE_FMT_DBL) ? kAudioFormatFlagIsFloat
+ : avctx->sample_fmt == AV_SAMPLE_FMT_U8 ? 0
+ : kAudioFormatFlagIsSignedInteger)
+ | kAudioFormatFlagIsPacked,
+ .mBytesPerPacket = av_get_bytes_per_sample(avctx->sample_fmt) * avctx->channels,
+ .mFramesPerPacket = 1,
+ .mBytesPerFrame = av_get_bytes_per_sample(avctx->sample_fmt) * avctx->channels,
+ .mChannelsPerFrame = avctx->channels,
+ .mBitsPerChannel = av_get_bytes_per_sample(avctx->sample_fmt) * 8,
+ };
+ AudioStreamBasicDescription out_format = {
+ .mSampleRate = avctx->sample_rate,
+ .mFormatID = ffat_get_format_id(avctx->codec_id, avctx->profile),
+ .mChannelsPerFrame = in_format.mChannelsPerFrame,
+ };
+ AudioChannelLayout channel_layout = {
+ .mChannelLayoutTag = kAudioChannelLayoutTag_UseChannelBitmap,
+ .mChannelBitmap = avctx->channel_layout,
+ };
+ UInt32 size = sizeof(channel_layout);
+
+ if (avctx->codec_id == AV_CODEC_ID_ILBC) {
+ int mode = get_ilbc_mode(avctx);
+ out_format.mFramesPerPacket = 8000 * mode / 1000;
+ out_format.mBytesPerPacket = (mode == 20 ? 38 : 50);
+ }
+
+ status = AudioConverterNew(&in_format, &out_format, &at->converter);
+
+ if (status != 0) {
+ av_log(avctx, AV_LOG_ERROR, "AudioToolbox init error: %i\n", (int)status);
+ return AVERROR_UNKNOWN;
+ }
+
+ size = sizeof(UInt32);
+
+ AudioConverterSetProperty(at->converter, kAudioConverterInputChannelLayout,
+ size, &channel_layout);
+ AudioConverterSetProperty(at->converter, kAudioConverterOutputChannelLayout,
+ size, &channel_layout);
+
+ if (avctx->bits_per_raw_sample) {
+ size = sizeof(avctx->bits_per_raw_sample);
+ AudioConverterSetProperty(at->converter,
+ kAudioConverterPropertyBitDepthHint,
+ size, &avctx->bits_per_raw_sample);
+ }
+
+ if (at->mode == -1)
+ at->mode = (avctx->flags & AV_CODEC_FLAG_QSCALE) ?
+ kAudioCodecBitRateControlMode_Variable :
+ kAudioCodecBitRateControlMode_Constant;
+
+ AudioConverterSetProperty(at->converter, kAudioCodecPropertyBitRateControlMode,
+ size, &at->mode);
+
+ if (at->mode == kAudioCodecBitRateControlMode_Variable) {
+ int q = avctx->global_quality / FF_QP2LAMBDA;
+ if (q < 0 || q > 14) {
+ av_log(avctx, AV_LOG_WARNING,
+ "VBR quality %d out of range, should be 0-14\n", q);
+ q = av_clip(q, 0, 14);
+ }
+ q = 127 - q * 9;
+ AudioConverterSetProperty(at->converter, kAudioCodecPropertySoundQualityForVBR,
+ size, &q);
+ } else if (avctx->bit_rate > 0) {
+ UInt32 rate = avctx->bit_rate;
+ AudioConverterSetProperty(at->converter, kAudioConverterEncodeBitRate,
+ size, &rate);
+ }
+
+ at->quality = 96 - at->quality * 32;
+ AudioConverterSetProperty(at->converter, kAudioConverterCodecQuality,
+ size, &at->quality);
+
+ if (!AudioConverterGetPropertyInfo(at->converter, kAudioConverterCompressionMagicCookie,
+ &avctx->extradata_size, NULL) &&
+ avctx->extradata_size) {
+ int extradata_size = avctx->extradata_size;
+ uint8_t *extradata;
+ if (!(avctx->extradata = av_mallocz(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE)))
+ return AVERROR(ENOMEM);
+ if (avctx->codec_id == AV_CODEC_ID_ALAC) {
+ avctx->extradata_size = 0x24;
+ AV_WB32(avctx->extradata, 0x24);
+ AV_WB32(avctx->extradata + 4, MKBETAG('a','l','a','c'));
+ extradata = avctx->extradata + 12;
+ avctx->extradata_size = 0x24;
+ } else {
+ extradata = avctx->extradata;
+ }
+ status = AudioConverterGetProperty(at->converter,
+ kAudioConverterCompressionMagicCookie,
+ &extradata_size, extradata);
+ if (status != 0) {
+ av_log(avctx, AV_LOG_ERROR, "AudioToolbox cookie error: %i\n", (int)status);
+ return AVERROR_UNKNOWN;
+ } else if (avctx->codec_id == AV_CODEC_ID_AAC) {
+ GetByteContext gb;
+ int tag, len;
+ bytestream2_init(&gb, extradata, extradata_size);
+ do {
+ len = read_descr(&gb, &tag);
+ if (tag == MP4DecConfigDescrTag) {
+ bytestream2_skip(&gb, 13);
+ len = read_descr(&gb, &tag);
+ if (tag == MP4DecSpecificDescrTag) {
+ len = FFMIN(gb.buffer_end - gb.buffer, len);
+ memmove(extradata, gb.buffer, len);
+ avctx->extradata_size = len;
+ break;
+ }
+ } else if (tag == MP4ESDescrTag) {
+ int flags;
+ bytestream2_skip(&gb, 2);
+ flags = bytestream2_get_byte(&gb);
+ if (flags & 0x80) //streamDependenceFlag
+ bytestream2_skip(&gb, 2);
+ if (flags & 0x40) //URL_Flag
+ bytestream2_skip(&gb, bytestream2_get_byte(&gb));
+ if (flags & 0x20) //OCRstreamFlag
+ bytestream2_skip(&gb, 2);
+ }
+ } while (bytestream2_get_bytes_left(&gb));
+ } else if (avctx->codec_id != AV_CODEC_ID_ALAC) {
+ avctx->extradata_size = extradata_size;
+ }
+ }
+
+ ffat_update_ctx(avctx);
+
+ if (at->mode == kAudioCodecBitRateControlMode_Variable && avctx->rc_max_rate) {
+ int max_size = avctx->rc_max_rate * avctx->frame_size / avctx->sample_rate;
+ if (max_size)
+ AudioConverterSetProperty(at->converter, kAudioCodecPropertyPacketSizeLimitForVBR,
+ size, &max_size);
+ }
+
+ ff_af_queue_init(avctx, &at->afq);
+
+ return 0;
+}
+
+static OSStatus ffat_encode_callback(AudioConverterRef converter, UInt32 *nb_packets,
+ AudioBufferList *data,
+ AudioStreamPacketDescription **packets,
+ void *inctx)
+{
+ AVCodecContext *avctx = inctx;
+ ATDecodeContext *at = avctx->priv_data;
+
+ if (at->eof) {
+ *nb_packets = 0;
+ if (packets) {
+ *packets = &at->pkt_desc;
+ at->pkt_desc.mDataByteSize = 0;
+ }
+ return 0;
+ }
+
+ av_frame_unref(&at->in_frame);
+ av_frame_move_ref(&at->in_frame, &at->new_in_frame);
+
+ if (!at->in_frame.data[0]) {
+ *nb_packets = 0;
+ return 1;
+ }
+
+ data->mNumberBuffers = 1;
+ data->mBuffers[0].mNumberChannels = 0;
+ data->mBuffers[0].mDataByteSize = at->in_frame.nb_samples *
+ av_get_bytes_per_sample(avctx->sample_fmt) *
+ avctx->channels;
+ data->mBuffers[0].mData = at->in_frame.data[0];
+ *nb_packets = (at->in_frame.nb_samples + (at->frame_size - 1)) / at->frame_size;
+
+ if (packets) {
+ *packets = &at->pkt_desc;
+ at->pkt_desc.mDataByteSize = data->mBuffers[0].mDataByteSize;
+ at->pkt_desc.mVariableFramesInPacket = at->in_frame.nb_samples;
+ }
+
+ return 0;
+}
+
+static int ffat_encode(AVCodecContext *avctx, AVPacket *avpkt,
+ const AVFrame *frame, int *got_packet_ptr)
+{
+ ATDecodeContext *at = avctx->priv_data;
+ OSStatus ret;
+
+ AudioBufferList out_buffers = {
+ .mNumberBuffers = 1,
+ .mBuffers = {
+ {
+ .mNumberChannels = avctx->channels,
+ .mDataByteSize = at->pkt_size,
+ }
+ }
+ };
+ AudioStreamPacketDescription out_pkt_desc = {0};
+
+ if ((ret = ff_alloc_packet2(avctx, avpkt, at->pkt_size, 0)) < 0)
+ return ret;
+
+ av_frame_unref(&at->new_in_frame);
+
+ if (frame) {
+ if ((ret = ff_af_queue_add(&at->afq, frame)) < 0)
+ return ret;
+ if ((ret = av_frame_ref(&at->new_in_frame, frame)) < 0)
+ return ret;
+ } else {
+ at->eof = 1;
+ }
+
+ out_buffers.mBuffers[0].mData = avpkt->data;
+
+ *got_packet_ptr = avctx->frame_size / at->frame_size;
+
+ ret = AudioConverterFillComplexBuffer(at->converter, ffat_encode_callback, avctx,
+ got_packet_ptr, &out_buffers,
+ (avctx->frame_size > at->frame_size) ? NULL : &out_pkt_desc);
+ if ((!ret || ret == 1) && *got_packet_ptr) {
+ avpkt->size = out_buffers.mBuffers[0].mDataByteSize;
+ ff_af_queue_remove(&at->afq, out_pkt_desc.mVariableFramesInPacket ?
+ out_pkt_desc.mVariableFramesInPacket :
+ avctx->frame_size,
+ &avpkt->pts,
+ &avpkt->duration);
+ } else if (ret && ret != 1) {
+ av_log(avctx, AV_LOG_WARNING, "Encode error: %i\n", ret);
+ }
+
+ return 0;
+}
+
+static av_cold void ffat_encode_flush(AVCodecContext *avctx)
+{
+ ATDecodeContext *at = avctx->priv_data;
+ AudioConverterReset(at->converter);
+ av_frame_unref(&at->new_in_frame);
+ av_frame_unref(&at->in_frame);
+}
+
+static av_cold int ffat_close_encoder(AVCodecContext *avctx)
+{
+ ATDecodeContext *at = avctx->priv_data;
+ AudioConverterDispose(at->converter);
+ av_frame_unref(&at->new_in_frame);
+ av_frame_unref(&at->in_frame);
+ ff_af_queue_close(&at->afq);
+ return 0;
+}
+
+static const AVProfile aac_profiles[] = {
+ { 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" },
+ { FF_PROFILE_UNKNOWN },
+};
+
+#define AE AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption options[] = {
+ {"aac_at_mode", "ratecontrol mode", offsetof(ATDecodeContext, mode), AV_OPT_TYPE_INT, {.i64 = -1}, -1, kAudioCodecBitRateControlMode_Variable, AE, "mode"},
+ {"auto", "VBR if global quality is given; CBR otherwise", 0, AV_OPT_TYPE_CONST, {.i64 = -1}, INT_MIN, INT_MAX, AE, "mode"},
+ {"cbr", "constant bitrate", 0, AV_OPT_TYPE_CONST, {.i64 = kAudioCodecBitRateControlMode_Constant}, INT_MIN, INT_MAX, AE, "mode"},
+ {"abr", "long-term average bitrate", 0, AV_OPT_TYPE_CONST, {.i64 = kAudioCodecBitRateControlMode_LongTermAverage}, INT_MIN, INT_MAX, AE, "mode"},
+ {"cvbr", "constrained variable bitrate", 0, AV_OPT_TYPE_CONST, {.i64 = kAudioCodecBitRateControlMode_VariableConstrained}, INT_MIN, INT_MAX, AE, "mode"},
+ {"vbr" , "variable bitrate", 0, AV_OPT_TYPE_CONST, {.i64 = kAudioCodecBitRateControlMode_Variable}, INT_MIN, INT_MAX, AE, "mode"},
+ {"aac_at_quality", "quality vs speed control", offsetof(ATDecodeContext, quality), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 2, AE},
+ { NULL },
+};
+
+#define FFAT_ENC_CLASS(NAME) \
+ static const AVClass ffat_##NAME##_enc_class = { \
+ .class_name = "at_" #NAME "_enc", \
+ .item_name = av_default_item_name, \
+ .option = options, \
+ .version = LIBAVUTIL_VERSION_INT, \
+ };
+
+#define FFAT_ENC(NAME, ID, PROFILES, ...) \
+ FFAT_ENC_CLASS(NAME) \
+ AVCodec ff_##NAME##_at_encoder = { \
+ .name = #NAME "_at", \
+ .long_name = NULL_IF_CONFIG_SMALL(#NAME " (AudioToolbox)"), \
+ .type = AVMEDIA_TYPE_AUDIO, \
+ .id = ID, \
+ .priv_data_size = sizeof(ATDecodeContext), \
+ .init = ffat_init_encoder, \
+ .close = ffat_close_encoder, \
+ .encode2 = ffat_encode, \
+ .flush = ffat_encode_flush, \
+ .priv_class = &ffat_##NAME##_enc_class, \
+ .capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY __VA_ARGS__, \
+ .sample_fmts = (const enum AVSampleFormat[]) { \
+ AV_SAMPLE_FMT_S16, \
+ AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_NONE \
+ }, \
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE, \
+ .profiles = PROFILES, \
+ };
+
+FFAT_ENC(aac, AV_CODEC_ID_AAC, aac_profiles)
+//FFAT_ENC(adpcm_ima_qt, AV_CODEC_ID_ADPCM_IMA_QT, NULL)
+FFAT_ENC(alac, AV_CODEC_ID_ALAC, NULL, | AV_CODEC_CAP_VARIABLE_FRAME_SIZE | AV_CODEC_CAP_LOSSLESS)
+FFAT_ENC(ilbc, AV_CODEC_ID_ILBC, NULL)
+FFAT_ENC(pcm_alaw, AV_CODEC_ID_PCM_ALAW, NULL)
+FFAT_ENC(pcm_mulaw, AV_CODEC_ID_PCM_MULAW, NULL)
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 398e143..ef87b2d 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -28,7 +28,7 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 57
-#define LIBAVCODEC_VERSION_MINOR 29
+#define LIBAVCODEC_VERSION_MINOR 30
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
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