1
0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00

Merge commit '4f2b469da5e4ae221718ae479f6af627cfdebb91'

* commit '4f2b469da5e4ae221718ae479f6af627cfdebb91':
  Add a libfdk-aac decoder

Conflicts:
	configure
	libavcodec/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-08-21 11:45:03 +02:00
commit 614cf1a613
5 changed files with 304 additions and 3 deletions

3
configure vendored
View File

@ -201,7 +201,7 @@ External library support:
--enable-libdc1394 enable IIDC-1394 grabbing using libdc1394 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
and libraw1394 [no] and libraw1394 [no]
--enable-libfaac enable AAC encoding via libfaac [no] --enable-libfaac enable AAC encoding via libfaac [no]
--enable-libfdk-aac enable AAC encoding via libfdk-aac [no] --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
--enable-libflite enable flite (voice synthesis) support via libflite [no] --enable-libflite enable flite (voice synthesis) support via libflite [no]
--enable-libfreetype enable libfreetype [no] --enable-libfreetype enable libfreetype [no]
--enable-libgme enable Game Music Emu via libgme [no] --enable-libgme enable Game Music Emu via libgme [no]
@ -1988,6 +1988,7 @@ libaacplus_encoder_deps="libaacplus"
libcelt_decoder_deps="libcelt" libcelt_decoder_deps="libcelt"
libfaac_encoder_deps="libfaac" libfaac_encoder_deps="libfaac"
libfaac_encoder_select="audio_frame_queue" libfaac_encoder_select="audio_frame_queue"
libfdk_aac_decoder_deps="libfdk_aac"
libfdk_aac_encoder_deps="libfdk_aac" libfdk_aac_encoder_deps="libfdk_aac"
libfdk_aac_encoder_select="audio_frame_queue" libfdk_aac_encoder_select="audio_frame_queue"
libgme_demuxer_deps="libgme" libgme_demuxer_deps="libgme"

View File

@ -683,6 +683,7 @@ OBJS-$(CONFIG_WTV_DEMUXER) += mpeg4audio.o mpegaudiodata.o
OBJS-$(CONFIG_LIBAACPLUS_ENCODER) += libaacplus.o OBJS-$(CONFIG_LIBAACPLUS_ENCODER) += libaacplus.o
OBJS-$(CONFIG_LIBCELT_DECODER) += libcelt_dec.o OBJS-$(CONFIG_LIBCELT_DECODER) += libcelt_dec.o
OBJS-$(CONFIG_LIBFAAC_ENCODER) += libfaac.o OBJS-$(CONFIG_LIBFAAC_ENCODER) += libfaac.o
OBJS-$(CONFIG_LIBFDK_AAC_DECODER) += libfdk-aacdec.o
OBJS-$(CONFIG_LIBFDK_AAC_ENCODER) += libfdk-aacenc.o OBJS-$(CONFIG_LIBFDK_AAC_ENCODER) += libfdk-aacenc.o
OBJS-$(CONFIG_LIBGSM_DECODER) += libgsm.o OBJS-$(CONFIG_LIBGSM_DECODER) += libgsm.o
OBJS-$(CONFIG_LIBGSM_ENCODER) += libgsm.o OBJS-$(CONFIG_LIBGSM_ENCODER) += libgsm.o

View File

@ -479,7 +479,7 @@ void avcodec_register_all(void)
/* external libraries */ /* external libraries */
REGISTER_DECODER(LIBCELT, libcelt); REGISTER_DECODER(LIBCELT, libcelt);
REGISTER_ENCODER(LIBFAAC, libfaac); REGISTER_ENCODER(LIBFAAC, libfaac);
REGISTER_ENCODER(LIBFDK_AAC, libfdk_aac); REGISTER_ENCDEC (LIBFDK_AAC, libfdk_aac);
REGISTER_ENCDEC (LIBGSM, libgsm); REGISTER_ENCDEC (LIBGSM, libgsm);
REGISTER_ENCDEC (LIBGSM_MS, libgsm_ms); REGISTER_ENCDEC (LIBGSM_MS, libgsm_ms);
REGISTER_ENCDEC (LIBILBC, libilbc); REGISTER_ENCDEC (LIBILBC, libilbc);

299
libavcodec/libfdk-aacdec.c Normal file
View File

@ -0,0 +1,299 @@
/*
* AAC decoder wrapper
* Copyright (c) 2012 Martin Storsjo
*
* 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 <fdk-aac/aacdecoder_lib.h>
#include "libavutil/channel_layout.h"
#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "avcodec.h"
#include "internal.h"
enum ConcealMethod {
CONCEAL_METHOD_DEFAULT = -1,
CONCEAL_METHOD_SPECTRAL_MUTING = 0,
CONCEAL_METHOD_NOISE_SUBSTITUTION = 1,
CONCEAL_METHOD_ENERGY_INTERPOLATION = 2,
CONCEAL_METHOD_NB,
};
typedef struct FDKAACDecContext {
const AVClass *class;
HANDLE_AACDECODER handle;
int initialized;
enum ConcealMethod conceal_method;
} FDKAACDecContext;
#define OFFSET(x) offsetof(FDKAACDecContext, x)
#define AD AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM
static const AVOption fdk_aac_dec_options[] = {
{ "conceal", "Error concealment method", OFFSET(conceal_method), AV_OPT_TYPE_INT, { .i64 = CONCEAL_METHOD_DEFAULT }, CONCEAL_METHOD_DEFAULT, CONCEAL_METHOD_NB - 1, AD, "conceal" },
{ "default", "Default", 0, AV_OPT_TYPE_CONST, { .i64 = CONCEAL_METHOD_DEFAULT }, INT_MIN, INT_MAX, AD, "conceal" },
{ "spectral", "Spectral muting", 0, AV_OPT_TYPE_CONST, { .i64 = CONCEAL_METHOD_SPECTRAL_MUTING }, INT_MIN, INT_MAX, AD, "conceal" },
{ "noise", "Noise Substitution", 0, AV_OPT_TYPE_CONST, { .i64 = CONCEAL_METHOD_NOISE_SUBSTITUTION }, INT_MIN, INT_MAX, AD, "conceal" },
{ "energy", "Energy Interpolation", 0, AV_OPT_TYPE_CONST, { .i64 = CONCEAL_METHOD_ENERGY_INTERPOLATION }, INT_MIN, INT_MAX, AD, "conceal" },
{ NULL }
};
static const AVClass fdk_aac_dec_class = {
"libfdk-aac decoder", av_default_item_name, fdk_aac_dec_options, LIBAVUTIL_VERSION_INT
};
static int get_stream_info(AVCodecContext *avctx)
{
FDKAACDecContext *s = avctx->priv_data;
CStreamInfo *info = aacDecoder_GetStreamInfo(s->handle);
int channel_counts[9] = { 0 };
int i, ch_error = 0;
uint64_t ch_layout = 0;
if (!info) {
av_log(avctx, AV_LOG_ERROR, "Unable to get stream info\n");
return AVERROR_UNKNOWN;
}
if (info->sampleRate <= 0) {
av_log(avctx, AV_LOG_ERROR, "Stream info not initialized\n");
return AVERROR_UNKNOWN;
}
avctx->sample_rate = info->sampleRate;
avctx->frame_size = info->frameSize;
for (i = 0; i < info->numChannels; i++) {
AUDIO_CHANNEL_TYPE ctype = info->pChannelType[i];
if (ctype <= ACT_NONE || ctype > ACT_TOP) {
av_log(avctx, AV_LOG_WARNING, "unknown channel type\n");
break;
}
channel_counts[ctype]++;
}
av_log(avctx, AV_LOG_DEBUG, "%d channels - front:%d side:%d back:%d lfe:%d top:%d\n",
info->numChannels,
channel_counts[ACT_FRONT], channel_counts[ACT_SIDE],
channel_counts[ACT_BACK], channel_counts[ACT_LFE],
channel_counts[ACT_FRONT_TOP] + channel_counts[ACT_SIDE_TOP] +
channel_counts[ACT_BACK_TOP] + channel_counts[ACT_TOP]);
switch (channel_counts[ACT_FRONT]) {
case 4:
ch_layout |= AV_CH_LAYOUT_STEREO | AV_CH_FRONT_LEFT_OF_CENTER | AV_CH_FRONT_RIGHT_OF_CENTER;
break;
case 3:
ch_layout |= AV_CH_LAYOUT_STEREO | AV_CH_FRONT_CENTER;
break;
case 2:
ch_layout |= AV_CH_LAYOUT_STEREO;
break;
case 1:
ch_layout |= AV_CH_FRONT_CENTER;
break;
default:
av_log(avctx, AV_LOG_WARNING, "unsupported number of front channels: %d\n",
channel_counts[ACT_FRONT]);
ch_error = 1;
break;
}
if (channel_counts[ACT_SIDE] > 0) {
if (channel_counts[ACT_SIDE] == 2) {
ch_layout |= AV_CH_SIDE_LEFT | AV_CH_SIDE_RIGHT;
} else {
av_log(avctx, AV_LOG_WARNING, "unsupported number of side channels: %d\n",
channel_counts[ACT_SIDE]);
ch_error = 1;
}
}
if (channel_counts[ACT_BACK] > 0) {
switch (channel_counts[ACT_BACK]) {
case 3:
ch_layout |= AV_CH_BACK_LEFT | AV_CH_BACK_RIGHT | AV_CH_BACK_CENTER;
break;
case 2:
ch_layout |= AV_CH_BACK_LEFT | AV_CH_BACK_RIGHT;
break;
case 1:
ch_layout |= AV_CH_BACK_CENTER;
break;
default:
av_log(avctx, AV_LOG_WARNING, "unsupported number of back channels: %d\n",
channel_counts[ACT_BACK]);
ch_error = 1;
break;
}
}
if (channel_counts[ACT_LFE] > 0) {
if (channel_counts[ACT_LFE] == 1) {
ch_layout |= AV_CH_LOW_FREQUENCY;
} else {
av_log(avctx, AV_LOG_WARNING, "unsupported number of LFE channels: %d\n",
channel_counts[ACT_LFE]);
ch_error = 1;
}
}
if (!ch_error &&
av_get_channel_layout_nb_channels(ch_layout) != info->numChannels) {
av_log(avctx, AV_LOG_WARNING, "unsupported channel configuration\n");
ch_error = 1;
}
if (ch_error)
avctx->channel_layout = 0;
else
avctx->channel_layout = ch_layout;
avctx->channels = info->numChannels;
return 0;
}
static av_cold int fdk_aac_decode_close(AVCodecContext *avctx)
{
FDKAACDecContext *s = avctx->priv_data;
if (s->handle)
aacDecoder_Close(s->handle);
return 0;
}
static av_cold int fdk_aac_decode_init(AVCodecContext *avctx)
{
FDKAACDecContext *s = avctx->priv_data;
AAC_DECODER_ERROR err;
s->handle = aacDecoder_Open(avctx->extradata_size ? TT_MP4_RAW : TT_MP4_ADTS, 1);
if (!s->handle) {
av_log(avctx, AV_LOG_ERROR, "Error opening decoder\n");
return AVERROR_UNKNOWN;
}
if (avctx->extradata_size) {
if ((err = aacDecoder_ConfigRaw(s->handle, &avctx->extradata, &avctx->extradata_size)) != AAC_DEC_OK) {
av_log(avctx, AV_LOG_ERROR, "Unable to set extradata\n");
return AVERROR_INVALIDDATA;
}
}
if (s->conceal_method != CONCEAL_METHOD_DEFAULT) {
if ((err = aacDecoder_SetParam(s->handle, AAC_CONCEAL_METHOD, s->conceal_method)) != AAC_DEC_OK) {
av_log(avctx, AV_LOG_ERROR, "Unable to set error concealment method\n");
return AVERROR_UNKNOWN;
}
}
avctx->sample_fmt = AV_SAMPLE_FMT_S16;
return 0;
}
static int fdk_aac_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
{
FDKAACDecContext *s = avctx->priv_data;
AVFrame *frame = data;
int ret;
AAC_DECODER_ERROR err;
UINT valid = avpkt->size;
uint8_t *buf, *tmpptr = NULL;
int buf_size;
err = aacDecoder_Fill(s->handle, &avpkt->data, &avpkt->size, &valid);
if (err != AAC_DEC_OK) {
av_log(avctx, AV_LOG_ERROR, "aacDecoder_Fill() failed: %x\n", err);
return AVERROR_INVALIDDATA;
}
if (s->initialized) {
frame->nb_samples = avctx->frame_size;
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
av_log(avctx, AV_LOG_ERROR, "ff_get_buffer() failed\n");
return ret;
}
buf = frame->extended_data[0];
buf_size = avctx->channels * frame->nb_samples *
av_get_bytes_per_sample(avctx->sample_fmt);
} else {
buf_size = 50 * 1024;
buf = tmpptr = av_malloc(buf_size);
if (!buf)
return AVERROR(ENOMEM);
}
err = aacDecoder_DecodeFrame(s->handle, (INT_PCM *) buf, buf_size, 0);
if (err == AAC_DEC_NOT_ENOUGH_BITS) {
ret = avpkt->size - valid;
goto end;
}
if (err != AAC_DEC_OK) {
av_log(avctx, AV_LOG_ERROR, "aacDecoder_DecodeFrame() failed: %x\n", err);
ret = AVERROR_UNKNOWN;
goto end;
}
if (!s->initialized) {
if ((ret = get_stream_info(avctx)) < 0)
goto end;
s->initialized = 1;
frame->nb_samples = avctx->frame_size;
}
if (tmpptr) {
frame->nb_samples = avctx->frame_size;
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
av_log(avctx, AV_LOG_ERROR, "ff_get_buffer() failed\n");
goto end;
}
memcpy(frame->extended_data[0], tmpptr,
avctx->channels * avctx->frame_size *
av_get_bytes_per_sample(avctx->sample_fmt));
}
*got_frame_ptr = 1;
ret = avpkt->size - valid;
end:
av_free(tmpptr);
return ret;
}
static av_cold void fdk_aac_decode_flush(AVCodecContext *avctx)
{
FDKAACDecContext *s = avctx->priv_data;
AAC_DECODER_ERROR err;
if (!s->handle)
return;
if ((err = aacDecoder_SetParam(s->handle, AAC_TPDEC_CLEAR_BUFFER, 1)) != AAC_DEC_OK)
av_log(avctx, AV_LOG_WARNING, "failed to clear buffer when flushing\n");
}
AVCodec ff_libfdk_aac_decoder = {
.name = "libfdk_aac",
.long_name = NULL_IF_CONFIG_SMALL("Fraunhofer FDK AAC"),
.type = AVMEDIA_TYPE_AUDIO,
.id = AV_CODEC_ID_AAC,
.priv_data_size = sizeof(FDKAACDecContext),
.init = fdk_aac_decode_init,
.decode = fdk_aac_decode_frame,
.close = fdk_aac_decode_close,
.flush = fdk_aac_decode_flush,
.capabilities = CODEC_CAP_DR1,
.priv_class = &fdk_aac_dec_class,
};

View File

@ -29,7 +29,7 @@
#include "libavutil/avutil.h" #include "libavutil/avutil.h"
#define LIBAVCODEC_VERSION_MAJOR 55 #define LIBAVCODEC_VERSION_MAJOR 55
#define LIBAVCODEC_VERSION_MINOR 28 #define LIBAVCODEC_VERSION_MINOR 29
#define LIBAVCODEC_VERSION_MICRO 100 #define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ #define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \