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Add support for AMR-WB encoding via libvo-amrwbenc
The wrapper code is based on the libamr wrapper removed in SVN rev 19365. Signed-off-by: Martin Storsjö <martin@martin.st>
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@ -84,6 +84,7 @@ version <next>:
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- Chronomaster DFA decoder
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- Mobotix MxPEG decoder
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- AAC encoding via libvo-aacenc
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- AMR-WB encoding via libvo-amrwbenc
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version 0.6:
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6
configure
vendored
6
configure
vendored
@ -179,6 +179,7 @@ External library support:
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--enable-libspeex enable Speex decoding via libspeex [no]
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--enable-libtheora enable Theora encoding via libtheora [no]
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--enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
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--enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
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--enable-libvorbis enable Vorbis encoding via libvorbis,
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native implementation exists [no]
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--enable-libvpx enable VP8 support via libvpx [no]
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@ -939,6 +940,7 @@ CONFIG_LIST="
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libspeex
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libtheora
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libvo_aacenc
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libvo_amrwbenc
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libvorbis
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libvpx
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libx264
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@ -1387,6 +1389,7 @@ libschroedinger_encoder_deps="libschroedinger"
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libspeex_decoder_deps="libspeex"
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libtheora_encoder_deps="libtheora"
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libvo_aacenc_encoder_deps="libvo_aacenc"
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libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
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libvorbis_encoder_deps="libvorbis"
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libvpx_decoder_deps="libvpx"
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libvpx_encoder_deps="libvpx"
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@ -2529,6 +2532,7 @@ die_license_disabled nonfree libfaac
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die_license_disabled version3 libopencore_amrnb
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die_license_disabled version3 libopencore_amrwb
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die_license_disabled version3 libvo_aacenc
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die_license_disabled version3 libvo_amrwbenc
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enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
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@ -2869,6 +2873,7 @@ enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schr
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enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
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enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
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enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
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enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
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enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
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enabled libvpx && {
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enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
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@ -3138,6 +3143,7 @@ echo "libspeex enabled ${libspeex-no}"
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echo "libtheora enabled ${libtheora-no}"
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echo "libva enabled ${vaapi-no}"
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echo "libvo-aacenc support ${libvo_aacenc-no}"
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echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
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echo "libvorbis enabled ${libvorbis-no}"
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echo "libvpx enabled ${libvpx-no}"
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echo "libx264 enabled ${libx264-no}"
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@ -588,7 +588,8 @@ following image formats are supported:
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@item ADPCM Yamaha @tab X @tab X
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@item AMR-NB @tab E @tab X
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@tab encoding supported through external library libopencore-amrnb
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@item AMR-WB @tab @tab X
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@item AMR-WB @tab E @tab X
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@tab encoding supported through external library libvo-amrwbenc
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@item Apple lossless audio @tab X @tab X
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@tab QuickTime fourcc 'alac'
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@item Atrac 1 @tab @tab X
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@ -569,6 +569,7 @@ OBJS-$(CONFIG_LIBSCHROEDINGER_ENCODER) += libschroedingerenc.o \
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OBJS-$(CONFIG_LIBSPEEX_DECODER) += libspeexdec.o
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OBJS-$(CONFIG_LIBTHEORA_ENCODER) += libtheoraenc.o
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OBJS-$(CONFIG_LIBVO_AACENC_ENCODER) += libvo-aacenc.o mpeg4audio.o
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OBJS-$(CONFIG_LIBVO_AMRWBENC_ENCODER) += libvo-amrwbenc.o
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OBJS-$(CONFIG_LIBVORBIS_ENCODER) += libvorbis.o vorbis_data.o
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OBJS-$(CONFIG_LIBVPX_DECODER) += libvpxdec.o
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OBJS-$(CONFIG_LIBVPX_ENCODER) += libvpxenc.o
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@ -367,6 +367,7 @@ void avcodec_register_all(void)
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REGISTER_DECODER (LIBSPEEX, libspeex);
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REGISTER_ENCODER (LIBTHEORA, libtheora);
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REGISTER_ENCODER (LIBVO_AACENC, libvo_aacenc);
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REGISTER_ENCODER (LIBVO_AMRWBENC, libvo_amrwbenc);
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REGISTER_ENCODER (LIBVORBIS, libvorbis);
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REGISTER_ENCDEC (LIBVPX, libvpx);
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REGISTER_ENCODER (LIBX264, libx264);
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127
libavcodec/libvo-amrwbenc.c
Normal file
127
libavcodec/libvo-amrwbenc.c
Normal file
@ -0,0 +1,127 @@
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/*
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* AMR Audio encoder stub
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* Copyright (c) 2003 the ffmpeg project
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <vo-amrwbenc/enc_if.h>
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#include "avcodec.h"
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static const char wb_bitrate_unsupported[] =
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"bitrate not supported: use one of 6.6k, 8.85k, 12.65k, 14.25k, 15.85k, "
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"18.25k, 19.85k, 23.05k, or 23.85k\n";
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typedef struct AMRWB_bitrates {
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int rate;
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int mode;
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} AMRWB_bitrates;
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typedef struct AMRWBContext {
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void *state;
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int mode;
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int allow_dtx;
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} AMRWBContext;
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static int getWBBitrateMode(int bitrate)
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{
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/* make the correspondance between bitrate and mode */
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AMRWB_bitrates rates[] = { { 6600, 0},
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{ 8850, 1},
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{12650, 2},
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{14250, 3},
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{15850, 4},
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{18250, 5},
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{19850, 6},
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{23050, 7},
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{23850, 8}, };
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int i;
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for (i = 0; i < 9; i++)
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if (rates[i].rate == bitrate)
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return rates[i].mode;
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/* no bitrate matching, return an error */
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return -1;
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}
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static av_cold int amr_wb_encode_init(AVCodecContext *avctx)
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{
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AMRWBContext *s = avctx->priv_data;
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if (avctx->sample_rate != 16000) {
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av_log(avctx, AV_LOG_ERROR, "Only 16000Hz sample rate supported\n");
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return -1;
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}
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if (avctx->channels != 1) {
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av_log(avctx, AV_LOG_ERROR, "Only mono supported\n");
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return -1;
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}
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if ((s->mode = getWBBitrateMode(avctx->bit_rate)) < 0) {
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av_log(avctx, AV_LOG_ERROR, wb_bitrate_unsupported);
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return -1;
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}
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avctx->frame_size = 320;
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avctx->coded_frame = avcodec_alloc_frame();
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s->state = E_IF_init();
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s->allow_dtx = 0;
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return 0;
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}
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static int amr_wb_encode_close(AVCodecContext *avctx)
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{
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AMRWBContext *s = avctx->priv_data;
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E_IF_exit(s->state);
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av_freep(&avctx->coded_frame);
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return 0;
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}
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static int amr_wb_encode_frame(AVCodecContext *avctx,
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unsigned char *frame/*out*/,
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int buf_size, void *data/*in*/)
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{
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AMRWBContext *s = avctx->priv_data;
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int size;
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if ((s->mode = getWBBitrateMode(avctx->bit_rate)) < 0) {
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av_log(avctx, AV_LOG_ERROR, wb_bitrate_unsupported);
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return -1;
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}
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size = E_IF_encode(s->state, s->mode, data, frame, s->allow_dtx);
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return size;
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}
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AVCodec ff_libvo_amrwbenc_encoder = {
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"libvo_amrwbenc",
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CODEC_TYPE_AUDIO,
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CODEC_ID_AMR_WB,
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sizeof(AMRWBContext),
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amr_wb_encode_init,
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amr_wb_encode_frame,
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amr_wb_encode_close,
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NULL,
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.sample_fmts = (enum SampleFormat[]){SAMPLE_FMT_S16,SAMPLE_FMT_NONE},
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.long_name = NULL_IF_CONFIG_SMALL("libvo-amrwbenc Adaptive Multi-Rate "
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"(AMR) Wide-Band"),
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};
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@ -21,7 +21,7 @@
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#define AVCODEC_VERSION_H
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#define LIBAVCODEC_VERSION_MAJOR 52
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#define LIBAVCODEC_VERSION_MINOR 118
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#define LIBAVCODEC_VERSION_MINOR 119
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#define LIBAVCODEC_VERSION_MICRO 0
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#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
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