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author | Martin Storsjö <martin@martin.st> | 2009-12-29 16:48:09 +0200 |
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committer | Martin Storsjö <martin@martin.st> | 2011-04-11 14:55:53 +0300 |
commit | f502ff3f61dfdc7c4180b6a24cec6237c38bc148 (patch) | |
tree | 40de534098f94fb455b20f9914e1f322e62f281e | |
parent | d89e738a0c63b30a60ca1688158d54b204824161 (diff) | |
download | ffmpeg-streaming-f502ff3f61dfdc7c4180b6a24cec6237c38bc148.zip ffmpeg-streaming-f502ff3f61dfdc7c4180b6a24cec6237c38bc148.tar.gz |
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>
-rw-r--r-- | Changelog | 1 | ||||
-rwxr-xr-x | configure | 6 | ||||
-rw-r--r-- | doc/general.texi | 3 | ||||
-rw-r--r-- | libavcodec/Makefile | 1 | ||||
-rw-r--r-- | libavcodec/allcodecs.c | 1 | ||||
-rw-r--r-- | libavcodec/libvo-amrwbenc.c | 127 | ||||
-rw-r--r-- | libavcodec/version.h | 2 |
7 files changed, 139 insertions, 2 deletions
@@ -84,6 +84,7 @@ version <next>: - Chronomaster DFA decoder - Mobotix MxPEG decoder - AAC encoding via libvo-aacenc +- AMR-WB encoding via libvo-amrwbenc version 0.6: @@ -179,6 +179,7 @@ External library support: --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-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no] --enable-libvorbis enable Vorbis encoding via libvorbis, native implementation exists [no] --enable-libvpx enable VP8 support via libvpx [no] @@ -939,6 +940,7 @@ CONFIG_LIST=" libspeex libtheora libvo_aacenc + libvo_amrwbenc libvorbis libvpx libx264 @@ -1387,6 +1389,7 @@ libschroedinger_encoder_deps="libschroedinger" libspeex_decoder_deps="libspeex" libtheora_encoder_deps="libtheora" libvo_aacenc_encoder_deps="libvo_aacenc" +libvo_amrwbenc_encoder_deps="libvo_amrwbenc" libvorbis_encoder_deps="libvorbis" libvpx_decoder_deps="libvpx" libvpx_encoder_deps="libvpx" @@ -2529,6 +2532,7 @@ die_license_disabled nonfree libfaac die_license_disabled version3 libopencore_amrnb die_license_disabled version3 libopencore_amrwb die_license_disabled version3 libvo_aacenc +die_license_disabled version3 libvo_amrwbenc enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; } @@ -2869,6 +2873,7 @@ enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schr 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 libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc 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 || @@ -3138,6 +3143,7 @@ echo "libspeex enabled ${libspeex-no}" echo "libtheora enabled ${libtheora-no}" echo "libva enabled ${vaapi-no}" echo "libvo-aacenc support ${libvo_aacenc-no}" +echo "libvo-amrwbenc support ${libvo_amrwbenc-no}" echo "libvorbis enabled ${libvorbis-no}" echo "libvpx enabled ${libvpx-no}" echo "libx264 enabled ${libx264-no}" diff --git a/doc/general.texi b/doc/general.texi index a8fab31..2c7949d 100644 --- a/doc/general.texi +++ b/doc/general.texi @@ -588,7 +588,8 @@ following image formats are supported: @item ADPCM Yamaha @tab X @tab X @item AMR-NB @tab E @tab X @tab encoding supported through external library libopencore-amrnb -@item AMR-WB @tab @tab X +@item AMR-WB @tab E @tab X + @tab encoding supported through external library libvo-amrwbenc @item Apple lossless audio @tab X @tab X @tab QuickTime fourcc 'alac' @item Atrac 1 @tab @tab X diff --git a/libavcodec/Makefile b/libavcodec/Makefile index e9c40e4..1cdae2c 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -569,6 +569,7 @@ OBJS-$(CONFIG_LIBSCHROEDINGER_ENCODER) += libschroedingerenc.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_LIBVO_AMRWBENC_ENCODER) += libvo-amrwbenc.o OBJS-$(CONFIG_LIBVORBIS_ENCODER) += libvorbis.o vorbis_data.o OBJS-$(CONFIG_LIBVPX_DECODER) += libvpxdec.o OBJS-$(CONFIG_LIBVPX_ENCODER) += libvpxenc.o diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c index e0323ac..40a7e23 100644 --- a/libavcodec/allcodecs.c +++ b/libavcodec/allcodecs.c @@ -367,6 +367,7 @@ void avcodec_register_all(void) REGISTER_DECODER (LIBSPEEX, libspeex); REGISTER_ENCODER (LIBTHEORA, libtheora); REGISTER_ENCODER (LIBVO_AACENC, libvo_aacenc); + REGISTER_ENCODER (LIBVO_AMRWBENC, libvo_amrwbenc); REGISTER_ENCODER (LIBVORBIS, libvorbis); REGISTER_ENCDEC (LIBVPX, libvpx); REGISTER_ENCODER (LIBX264, libx264); diff --git a/libavcodec/libvo-amrwbenc.c b/libavcodec/libvo-amrwbenc.c new file mode 100644 index 0000000..6f26d9b --- /dev/null +++ b/libavcodec/libvo-amrwbenc.c @@ -0,0 +1,127 @@ +/* + * AMR Audio encoder stub + * Copyright (c) 2003 the ffmpeg project + * + * 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-amrwbenc/enc_if.h> + +#include "avcodec.h" + +static const char wb_bitrate_unsupported[] = + "bitrate not supported: use one of 6.6k, 8.85k, 12.65k, 14.25k, 15.85k, " + "18.25k, 19.85k, 23.05k, or 23.85k\n"; + +typedef struct AMRWB_bitrates { + int rate; + int mode; +} AMRWB_bitrates; + +typedef struct AMRWBContext { + void *state; + int mode; + int allow_dtx; +} AMRWBContext; + +static int getWBBitrateMode(int bitrate) +{ + /* make the correspondance between bitrate and mode */ + AMRWB_bitrates rates[] = { { 6600, 0}, + { 8850, 1}, + {12650, 2}, + {14250, 3}, + {15850, 4}, + {18250, 5}, + {19850, 6}, + {23050, 7}, + {23850, 8}, }; + int i; + + for (i = 0; i < 9; i++) + if (rates[i].rate == bitrate) + return rates[i].mode; + /* no bitrate matching, return an error */ + return -1; +} + +static av_cold int amr_wb_encode_init(AVCodecContext *avctx) +{ + AMRWBContext *s = avctx->priv_data; + + if (avctx->sample_rate != 16000) { + av_log(avctx, AV_LOG_ERROR, "Only 16000Hz sample rate supported\n"); + return -1; + } + + if (avctx->channels != 1) { + av_log(avctx, AV_LOG_ERROR, "Only mono supported\n"); + return -1; + } + + if ((s->mode = getWBBitrateMode(avctx->bit_rate)) < 0) { + av_log(avctx, AV_LOG_ERROR, wb_bitrate_unsupported); + return -1; + } + + avctx->frame_size = 320; + avctx->coded_frame = avcodec_alloc_frame(); + + s->state = E_IF_init(); + s->allow_dtx = 0; + + return 0; +} + +static int amr_wb_encode_close(AVCodecContext *avctx) +{ + AMRWBContext *s = avctx->priv_data; + + E_IF_exit(s->state); + av_freep(&avctx->coded_frame); + return 0; +} + +static int amr_wb_encode_frame(AVCodecContext *avctx, + unsigned char *frame/*out*/, + int buf_size, void *data/*in*/) +{ + AMRWBContext *s = avctx->priv_data; + int size; + + if ((s->mode = getWBBitrateMode(avctx->bit_rate)) < 0) { + av_log(avctx, AV_LOG_ERROR, wb_bitrate_unsupported); + return -1; + } + size = E_IF_encode(s->state, s->mode, data, frame, s->allow_dtx); + return size; +} + +AVCodec ff_libvo_amrwbenc_encoder = { + "libvo_amrwbenc", + CODEC_TYPE_AUDIO, + CODEC_ID_AMR_WB, + sizeof(AMRWBContext), + amr_wb_encode_init, + amr_wb_encode_frame, + amr_wb_encode_close, + NULL, + .sample_fmts = (enum SampleFormat[]){SAMPLE_FMT_S16,SAMPLE_FMT_NONE}, + .long_name = NULL_IF_CONFIG_SMALL("libvo-amrwbenc Adaptive Multi-Rate " + "(AMR) Wide-Band"), +}; + diff --git a/libavcodec/version.h b/libavcodec/version.h index ac79d82..78c0f78 100644 --- a/libavcodec/version.h +++ b/libavcodec/version.h @@ -21,7 +21,7 @@ #define AVCODEC_VERSION_H #define LIBAVCODEC_VERSION_MAJOR 52 -#define LIBAVCODEC_VERSION_MINOR 118 +#define LIBAVCODEC_VERSION_MINOR 119 #define LIBAVCODEC_VERSION_MICRO 0 #define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ |