Commit d89e738a authored by Martin Storsjö's avatar Martin Storsjö

Add an AAC encoder by using the libvo-aacenc library

Signed-off-by: 's avatarMartin Storsjö <martin@martin.st>
parent 029f966c
......@@ -83,6 +83,7 @@ version <next>:
- Linux framebuffer input device added
- Chronomaster DFA decoder
- Mobotix MxPEG decoder
- AAC encoding via libvo-aacenc
version 0.6:
......
......@@ -178,6 +178,7 @@ External library support:
--enable-libschroedinger enable Dirac support via libschroedinger [no]
--enable-libspeex enable Speex decoding via libspeex [no]
--enable-libtheora enable Theora encoding via libtheora [no]
--enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
--enable-libvorbis enable Vorbis encoding via libvorbis,
native implementation exists [no]
--enable-libvpx enable VP8 support via libvpx [no]
......@@ -937,6 +938,7 @@ CONFIG_LIST="
libschroedinger
libspeex
libtheora
libvo_aacenc
libvorbis
libvpx
libx264
......@@ -1384,6 +1386,7 @@ libschroedinger_decoder_deps="libschroedinger"
libschroedinger_encoder_deps="libschroedinger"
libspeex_decoder_deps="libspeex"
libtheora_encoder_deps="libtheora"
libvo_aacenc_encoder_deps="libvo_aacenc"
libvorbis_encoder_deps="libvorbis"
libvpx_decoder_deps="libvpx"
libvpx_encoder_deps="libvpx"
......@@ -2525,6 +2528,7 @@ die_license_disabled nonfree libfaac
die_license_disabled version3 libopencore_amrnb
die_license_disabled version3 libopencore_amrwb
die_license_disabled version3 libvo_aacenc
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
......@@ -2864,6 +2868,7 @@ enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
enabled libvpx && {
enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
......@@ -3132,6 +3137,7 @@ echo "libschroedinger enabled ${libschroedinger-no}"
echo "libspeex enabled ${libspeex-no}"
echo "libtheora enabled ${libtheora-no}"
echo "libva enabled ${vaapi-no}"
echo "libvo-aacenc support ${libvo_aacenc-no}"
echo "libvorbis enabled ${libvorbis-no}"
echo "libvpx enabled ${libvpx-no}"
echo "libx264 enabled ${libx264-no}"
......
......@@ -540,7 +540,7 @@ following image formats are supported:
@item Name @tab Encoding @tab Decoding @tab Comments
@item 8SVX audio @tab @tab X
@item AAC @tab E @tab X
@tab encoding supported through external library libfaac
@tab encoding supported through external library libfaac and libvo-aacenc
@item AC-3 @tab IX @tab X
@item ADPCM 4X Movie @tab @tab X
@item ADPCM CDROM XA @tab @tab X
......
......@@ -568,6 +568,7 @@ OBJS-$(CONFIG_LIBSCHROEDINGER_ENCODER) += libschroedingerenc.o \
libdirac_libschro.o
OBJS-$(CONFIG_LIBSPEEX_DECODER) += libspeexdec.o
OBJS-$(CONFIG_LIBTHEORA_ENCODER) += libtheoraenc.o
OBJS-$(CONFIG_LIBVO_AACENC_ENCODER) += libvo-aacenc.o mpeg4audio.o
OBJS-$(CONFIG_LIBVORBIS_ENCODER) += libvorbis.o vorbis_data.o
OBJS-$(CONFIG_LIBVPX_DECODER) += libvpxdec.o
OBJS-$(CONFIG_LIBVPX_ENCODER) += libvpxenc.o
......
......@@ -366,6 +366,7 @@ void avcodec_register_all(void)
REGISTER_ENCDEC (LIBSCHROEDINGER, libschroedinger);
REGISTER_DECODER (LIBSPEEX, libspeex);
REGISTER_ENCODER (LIBTHEORA, libtheora);
REGISTER_ENCODER (LIBVO_AACENC, libvo_aacenc);
REGISTER_ENCODER (LIBVORBIS, libvorbis);
REGISTER_ENCDEC (LIBVPX, libvpx);
REGISTER_ENCODER (LIBX264, libx264);
......
/*
* AAC encoder wrapper
* Copyright (c) 2010 Martin Storsjo
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <vo-aacenc/voAAC.h>
#include <vo-aacenc/cmnMemory.h>
#include "avcodec.h"
#include "mpeg4audio.h"
typedef struct AACContext {
VO_AUDIO_CODECAPI codec_api;
VO_HANDLE handle;
VO_MEM_OPERATOR mem_operator;
VO_CODEC_INIT_USERDATA user_data;
} AACContext;
static av_cold int aac_encode_init(AVCodecContext *avctx)
{
AACContext *s = avctx->priv_data;
AACENC_PARAM params = { 0 };
int index;
avctx->coded_frame = avcodec_alloc_frame();
avctx->frame_size = 1024;
voGetAACEncAPI(&s->codec_api);
s->mem_operator.Alloc = cmnMemAlloc;
s->mem_operator.Copy = cmnMemCopy;
s->mem_operator.Free = cmnMemFree;
s->mem_operator.Set = cmnMemSet;
s->mem_operator.Check = cmnMemCheck;
s->user_data.memflag = VO_IMF_USERMEMOPERATOR;
s->user_data.memData = &s->mem_operator;
s->codec_api.Init(&s->handle, VO_AUDIO_CodingAAC, &s->user_data);
params.sampleRate = avctx->sample_rate;
params.bitRate = avctx->bit_rate;
params.nChannels = avctx->channels;
params.adtsUsed = !(avctx->flags & CODEC_FLAG_GLOBAL_HEADER);
if (s->codec_api.SetParam(s->handle, VO_PID_AAC_ENCPARAM, &params)
!= VO_ERR_NONE) {
av_log(avctx, AV_LOG_ERROR, "Unable to set encoding parameters\n");
return AVERROR_UNKNOWN;
}
avctx->extradata_size = 2;
avctx->extradata = av_mallocz(avctx->extradata_size +
FF_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata)
return AVERROR(ENOMEM);
for (index = 0; index < 16; index++)
if (avctx->sample_rate == ff_mpeg4audio_sample_rates[index])
break;
if (index == 16) {
av_log(avctx, AV_LOG_ERROR, "Unsupported sample rate %d\n",
avctx->sample_rate);
return AVERROR_NOTSUPP;
}
avctx->extradata[0] = 0x02 << 3 | index >> 1;
avctx->extradata[1] = (index & 0x01) << 7 | avctx->channels << 3;
return 0;
}
static int aac_encode_close(AVCodecContext *avctx)
{
AACContext *s = avctx->priv_data;
s->codec_api.Uninit(s->handle);
av_freep(&avctx->coded_frame);
return 0;
}
static int aac_encode_frame(AVCodecContext *avctx,
unsigned char *frame/*out*/,
int buf_size, void *data/*in*/)
{
AACContext *s = avctx->priv_data;
VO_CODECBUFFER input = { 0 }, output = { 0 };
VO_AUDIO_OUTPUTINFO output_info = { { 0 } };
input.Buffer = data;
input.Length = 2 * avctx->channels * avctx->frame_size;
output.Buffer = frame;
output.Length = buf_size;
s->codec_api.SetInputData(s->handle, &input);
if (s->codec_api.GetOutputData(s->handle, &output, &output_info)
!= VO_ERR_NONE) {
av_log(avctx, AV_LOG_ERROR, "Unable to encode frame\n");
return AVERROR_UNKNOWN;
}
return output.Length;
}
AVCodec ff_libvo_aacenc_encoder = {
"libvo_aacenc",
CODEC_TYPE_AUDIO,
CODEC_ID_AAC,
sizeof(AACContext),
aac_encode_init,
aac_encode_frame,
aac_encode_close,
NULL,
.sample_fmts = (enum SampleFormat[]){SAMPLE_FMT_S16,SAMPLE_FMT_NONE},
.long_name = NULL_IF_CONFIG_SMALL("libvo-aacenc AAC"),
};
......@@ -21,8 +21,8 @@
#define AVCODEC_VERSION_H
#define LIBAVCODEC_VERSION_MAJOR 52
#define LIBAVCODEC_VERSION_MINOR 117
#define LIBAVCODEC_VERSION_MICRO 1
#define LIBAVCODEC_VERSION_MINOR 118
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \
......
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