--- doc/general.texi | 1 + libavformat/Makefile | 4 +++ libavformat/allformats.c | 2 ++ libavformat/rawenc.c | 28 ++++++++++++++++++ libavformat/sbcdec.c | 76 ++++++++++++++++++++++++++++++++++++++++++++++++ libavformat/utils.c | 1 + 6 files changed, 112 insertions(+) create mode 100644 libavformat/sbcdec.c
diff --git a/doc/general.texi b/doc/general.texi index baaa308dcf..74f72be69a 100644 --- a/doc/general.texi +++ b/doc/general.texi @@ -462,6 +462,7 @@ library: @item raw NULL @tab X @tab @item raw video @tab X @tab X @item raw id RoQ @tab X @tab +@item raw SBC @tab X @tab X @item raw Shorten @tab @tab X @item raw TAK @tab @tab X @item raw TrueHD @tab X @tab X diff --git a/libavformat/Makefile b/libavformat/Makefile index caebe5b146..0dff981c01 100644 --- a/libavformat/Makefile +++ b/libavformat/Makefile @@ -442,6 +442,10 @@ OBJS-$(CONFIG_S337M_DEMUXER) += s337m.o spdif.o OBJS-$(CONFIG_SAMI_DEMUXER) += samidec.o subtitles.o OBJS-$(CONFIG_SAP_DEMUXER) += sapdec.o OBJS-$(CONFIG_SAP_MUXER) += sapenc.o +OBJS-$(CONFIG_SBC_DEMUXER) += sbcdec.o rawdec.o +OBJS-$(CONFIG_SBC_MUXER) += rawenc.o +OBJS-$(CONFIG_MSBC_DEMUXER) += sbcdec.o rawdec.o +OBJS-$(CONFIG_MSBC_MUXER) += rawenc.o OBJS-$(CONFIG_SBG_DEMUXER) += sbgdec.o OBJS-$(CONFIG_SCC_DEMUXER) += sccdec.o subtitles.o OBJS-$(CONFIG_SCC_MUXER) += sccenc.o subtitles.o diff --git a/libavformat/allformats.c b/libavformat/allformats.c index 405ddb5ad9..a7109d5abb 100644 --- a/libavformat/allformats.c +++ b/libavformat/allformats.c @@ -208,6 +208,7 @@ static void register_all(void) REGISTER_MUXDEMUX(MPJPEG, mpjpeg); REGISTER_DEMUXER (MPL2, mpl2); REGISTER_DEMUXER (MPSUB, mpsub); + REGISTER_MUXDEMUX(MSBC, msbc); REGISTER_DEMUXER (MSF, msf); REGISTER_DEMUXER (MSNWC_TCP, msnwc_tcp); REGISTER_DEMUXER (MTAF, mtaf); @@ -273,6 +274,7 @@ static void register_all(void) REGISTER_DEMUXER (S337M, s337m); REGISTER_DEMUXER (SAMI, sami); REGISTER_MUXDEMUX(SAP, sap); + REGISTER_MUXDEMUX(SBC, sbc); REGISTER_DEMUXER (SBG, sbg); REGISTER_MUXDEMUX(SCC, scc); REGISTER_DEMUXER (SDP, sdp); diff --git a/libavformat/rawenc.c b/libavformat/rawenc.c index f640121cb4..ac0119489c 100644 --- a/libavformat/rawenc.c +++ b/libavformat/rawenc.c @@ -413,6 +413,34 @@ AVOutputFormat ff_rawvideo_muxer = { }; #endif +#if CONFIG_SBC_MUXER +AVOutputFormat ff_sbc_muxer = { + .name = "sbc", + .long_name = NULL_IF_CONFIG_SMALL("raw SBC"), + .mime_type = "audio/x-sbc", + .extensions = "sbc", + .audio_codec = AV_CODEC_ID_SBC, + .video_codec = AV_CODEC_ID_NONE, + .write_header = force_one_stream, + .write_packet = ff_raw_write_packet, + .flags = AVFMT_NOTIMESTAMPS, +}; +#endif + +#if CONFIG_MSBC_MUXER +AVOutputFormat ff_msbc_muxer = { + .name = "msbc", + .long_name = NULL_IF_CONFIG_SMALL("raw mSBC"), + .mime_type = "audio/x-msbc", + .extensions = "msbc", + .audio_codec = AV_CODEC_ID_MSBC, + .video_codec = AV_CODEC_ID_NONE, + .write_header = force_one_stream, + .write_packet = ff_raw_write_packet, + .flags = AVFMT_NOTIMESTAMPS, +}; +#endif + #if CONFIG_TRUEHD_MUXER AVOutputFormat ff_truehd_muxer = { .name = "truehd", diff --git a/libavformat/sbcdec.c b/libavformat/sbcdec.c new file mode 100644 index 0000000000..1eb99bae03 --- /dev/null +++ b/libavformat/sbcdec.c @@ -0,0 +1,76 @@ +/* + * RAW SBC demuxer + * Copyright (C) 2017 Aurelien Jacobs <au...@gnuage.org> + * + * 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 "avformat.h" +#include "rawdec.h" + +#define SBC_SYNCWORD 0x9C +#define MSBC_SYNCWORD 0xAD + +#if CONFIG_SBC_DEMUXER +static int sbc_probe(AVProbeData *p) +{ + int score = 0; + int l = strlen(p->filename); + if (l > 4 && !strcmp(&p->filename[l-4], ".sbc")) + score = AVPROBE_SCORE_EXTENSION; + if (p->buf[0] == SBC_SYNCWORD) + score++; + return score; +} + +AVInputFormat ff_sbc_demuxer = { + .name = "sbc", + .long_name = NULL_IF_CONFIG_SMALL("raw SBC (low-complexity subband codec)"), + .extensions = "sbc", + .raw_codec_id = AV_CODEC_ID_SBC, + .read_probe = sbc_probe, + .read_header = ff_raw_audio_read_header, + .read_packet = ff_raw_read_partial_packet, + .flags = AVFMT_GENERIC_INDEX, +}; +#endif + +#if CONFIG_MSBC_DEMUXER +static int msbc_probe(AVProbeData *p) +{ + int score = 0; + int l = strlen(p->filename); + if (l > 5 && !strcmp(&p->filename[l-5], ".msbc")) + score = AVPROBE_SCORE_EXTENSION; + else if (l > 4 && !strcmp(&p->filename[l-4], ".sbc")) + score = AVPROBE_SCORE_EXTENSION; + if (p->buf[0] == MSBC_SYNCWORD) + score++; + return score; +} + +AVInputFormat ff_msbc_demuxer = { + .name = "msbc", + .long_name = NULL_IF_CONFIG_SMALL("raw mSBC (wideband speech mono SBC)"), + .extensions = "msbc", + .raw_codec_id = AV_CODEC_ID_MSBC, + .read_probe = msbc_probe, + .read_header = ff_raw_audio_read_header, + .read_packet = ff_raw_read_partial_packet, + .flags = AVFMT_GENERIC_INDEX, +}; +#endif diff --git a/libavformat/utils.c b/libavformat/utils.c index cbfb78bf4d..dedabee642 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -335,6 +335,7 @@ static int set_codec_from_probe_data(AVFormatContext *s, AVStream *st, { "mjpeg_2000",AV_CODEC_ID_JPEG2000, AVMEDIA_TYPE_VIDEO }, { "mp3", AV_CODEC_ID_MP3, AVMEDIA_TYPE_AUDIO }, { "mpegvideo", AV_CODEC_ID_MPEG2VIDEO, AVMEDIA_TYPE_VIDEO }, + { "sbc", AV_CODEC_ID_SBC, AVMEDIA_TYPE_AUDIO }, { "truehd", AV_CODEC_ID_TRUEHD, AVMEDIA_TYPE_AUDIO }, { 0 } }; -- 2.15.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel