diff options
| -rw-r--r-- | doc/general.texi | 1 | ||||
| -rw-r--r-- | libavformat/Makefile | 2 | ||||
| -rw-r--r-- | libavformat/allformats.c | 1 | ||||
| -rw-r--r-- | libavformat/aptxdec.c | 78 | ||||
| -rw-r--r-- | libavformat/rawenc.c | 13 | ||||
| -rw-r--r-- | libavformat/utils.c | 1 |
6 files changed, 96 insertions, 0 deletions
diff --git a/doc/general.texi b/doc/general.texi index de4efee913..efd4a92495 100644 --- a/doc/general.texi +++ b/doc/general.texi @@ -441,6 +441,7 @@ library: @item raw AC-3 @tab X @tab X @item raw AMR-NB @tab @tab X @item raw AMR-WB @tab @tab X +@item raw aptX @tab X @tab X @item raw Chinese AVS video @tab X @tab X @item raw CRI ADX @tab X @tab X @item raw Dirac @tab X @tab X diff --git a/libavformat/Makefile b/libavformat/Makefile index 146a4656f2..b1e7b193f4 100644 --- a/libavformat/Makefile +++ b/libavformat/Makefile @@ -94,6 +94,8 @@ OBJS-$(CONFIG_APC_DEMUXER) += apc.o OBJS-$(CONFIG_APE_DEMUXER) += ape.o apetag.o img2.o OBJS-$(CONFIG_APNG_DEMUXER) += apngdec.o OBJS-$(CONFIG_APNG_MUXER) += apngenc.o +OBJS-$(CONFIG_APTX_DEMUXER) += aptxdec.o rawdec.o +OBJS-$(CONFIG_APTX_MUXER) += rawenc.o OBJS-$(CONFIG_AQTITLE_DEMUXER) += aqtitledec.o subtitles.o OBJS-$(CONFIG_ASF_DEMUXER) += asfdec_f.o asf.o asfcrypt.o \ avlanguage.o diff --git a/libavformat/allformats.c b/libavformat/allformats.c index 1896d50e9e..9213af9301 100644 --- a/libavformat/allformats.c +++ b/libavformat/allformats.c @@ -69,6 +69,7 @@ static void register_all(void) REGISTER_DEMUXER (APC, apc); REGISTER_DEMUXER (APE, ape); REGISTER_MUXDEMUX(APNG, apng); + REGISTER_MUXDEMUX(APTX, aptx); REGISTER_DEMUXER (AQTITLE, aqtitle); REGISTER_MUXDEMUX(ASF, asf); REGISTER_DEMUXER (ASF_O, asf_o); diff --git a/libavformat/aptxdec.c b/libavformat/aptxdec.c new file mode 100644 index 0000000000..3b8fae1b55 --- /dev/null +++ b/libavformat/aptxdec.c @@ -0,0 +1,78 @@ +/* + * RAW aptX demuxer + * + * Copyright (C) 2017 Aurelien Jacobs <aurel@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 APTX_BLOCK_SIZE 4 +#define APTX_PACKET_SIZE (256*APTX_BLOCK_SIZE) + +typedef struct AptXDemuxerContext { + AVClass *class; + int sample_rate; +} AptXDemuxerContext; + +static int aptx_read_header(AVFormatContext *s) +{ + AptXDemuxerContext *s1 = s->priv_data; + AVStream *st = avformat_new_stream(s, NULL); + if (!st) + return AVERROR(ENOMEM); + st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO; + st->codecpar->codec_id = AV_CODEC_ID_APTX; + st->codecpar->format = AV_SAMPLE_FMT_S32P; + st->codecpar->channels = 2; + st->codecpar->sample_rate = s1->sample_rate; + st->codecpar->bits_per_coded_sample = 4; + st->codecpar->block_align = APTX_BLOCK_SIZE; + st->codecpar->frame_size = APTX_PACKET_SIZE; + st->start_time = 0; + return 0; +} + +static int aptx_read_packet(AVFormatContext *s, AVPacket *pkt) +{ + return av_get_packet(s->pb, pkt, APTX_PACKET_SIZE); +} + +static const AVOption aptx_options[] = { + { "sample_rate", "", offsetof(AptXDemuxerContext, sample_rate), AV_OPT_TYPE_INT, {.i64 = 48000}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM }, + { NULL }, +}; + +static const AVClass aptx_demuxer_class = { + .class_name = "aptx demuxer", + .item_name = av_default_item_name, + .option = aptx_options, + .version = LIBAVUTIL_VERSION_INT, +}; + +AVInputFormat ff_aptx_demuxer = { + .name = "aptx", + .long_name = NULL_IF_CONFIG_SMALL("raw aptX"), + .extensions = "aptx", + .priv_data_size = sizeof(AptXDemuxerContext), + .read_header = aptx_read_header, + .read_packet = aptx_read_packet, + .flags = AVFMT_GENERIC_INDEX, + .priv_class = &aptx_demuxer_class, +}; diff --git a/libavformat/rawenc.c b/libavformat/rawenc.c index f640121cb4..aa3ef76fbf 100644 --- a/libavformat/rawenc.c +++ b/libavformat/rawenc.c @@ -91,6 +91,19 @@ AVOutputFormat ff_adx_muxer = { }; #endif +#if CONFIG_APTX_MUXER +AVOutputFormat ff_aptx_muxer = { + .name = "aptx", + .long_name = NULL_IF_CONFIG_SMALL("raw aptX (Audio Processing Technology for Bluetooth)"), + .extensions = "aptx", + .audio_codec = AV_CODEC_ID_APTX, + .video_codec = AV_CODEC_ID_NONE, + .write_header = force_one_stream, + .write_packet = ff_raw_write_packet, + .flags = AVFMT_NOTIMESTAMPS, +}; +#endif + #if CONFIG_CAVSVIDEO_MUXER AVOutputFormat ff_cavsvideo_muxer = { .name = "cavsvideo", diff --git a/libavformat/utils.c b/libavformat/utils.c index 2b2411ffe7..d45a6b55a7 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -324,6 +324,7 @@ static int set_codec_from_probe_data(AVFormatContext *s, AVStream *st, } fmt_id_type[] = { { "aac", AV_CODEC_ID_AAC, AVMEDIA_TYPE_AUDIO }, { "ac3", AV_CODEC_ID_AC3, AVMEDIA_TYPE_AUDIO }, + { "aptx", AV_CODEC_ID_APTX, AVMEDIA_TYPE_AUDIO }, { "dts", AV_CODEC_ID_DTS, AVMEDIA_TYPE_AUDIO }, { "dvbsub", AV_CODEC_ID_DVB_SUBTITLE,AVMEDIA_TYPE_SUBTITLE }, { "dvbtxt", AV_CODEC_ID_DVB_TELETEXT,AVMEDIA_TYPE_SUBTITLE }, |