diff --git a/Changelog b/Changelog index 20110cec73..f93a732037 100644 --- a/Changelog +++ b/Changelog @@ -19,6 +19,8 @@ version : - displace filter - selectivecolor filter - extensive native AAC encoder improvements +- ADPCM PSX decoder +- genh, vag, ads & svag demuxer version 2.8: diff --git a/libavformat/Makefile b/libavformat/Makefile index c6d135c682..d926b35c2d 100644 --- a/libavformat/Makefile +++ b/libavformat/Makefile @@ -426,6 +426,7 @@ OBJS-$(CONFIG_STR_DEMUXER) += psxstr.o OBJS-$(CONFIG_SUBVIEWER1_DEMUXER) += subviewer1dec.o subtitles.o OBJS-$(CONFIG_SUBVIEWER_DEMUXER) += subviewerdec.o subtitles.o OBJS-$(CONFIG_SUP_DEMUXER) += supdec.o +OBJS-$(CONFIG_SVAG_DEMUXER) += svag.o OBJS-$(CONFIG_SWF_DEMUXER) += swfdec.o swf.o OBJS-$(CONFIG_SWF_MUXER) += swfenc.o swf.o OBJS-$(CONFIG_TAK_DEMUXER) += takdec.o apetag.o img2.o rawdec.o diff --git a/libavformat/allformats.c b/libavformat/allformats.c index 302ced897a..40fea8e70e 100644 --- a/libavformat/allformats.c +++ b/libavformat/allformats.c @@ -294,6 +294,7 @@ void av_register_all(void) REGISTER_DEMUXER (SUBVIEWER1, subviewer1); REGISTER_DEMUXER (SUBVIEWER, subviewer); REGISTER_DEMUXER (SUP, sup); + REGISTER_DEMUXER (SVAG, svag); REGISTER_MUXDEMUX(SWF, swf); REGISTER_DEMUXER (TAK, tak); REGISTER_MUXER (TEE, tee); diff --git a/libavformat/svag.c b/libavformat/svag.c new file mode 100644 index 0000000000..a7f12055a0 --- /dev/null +++ b/libavformat/svag.c @@ -0,0 +1,78 @@ +/* + * SVAG demuxer + * Copyright (c) 2015 Paul B Mahol + * + * 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 "internal.h" + +static int svag_probe(AVProbeData *p) +{ + if (memcmp(p->buf, "Svag", 4)) + return 0; + + return AVPROBE_SCORE_MAX; +} + +static int svag_read_header(AVFormatContext *s) +{ + unsigned size, align; + AVStream *st; + + avio_skip(s->pb, 4); + + st = avformat_new_stream(s, NULL); + if (!st) + return AVERROR(ENOMEM); + + size = avio_rl32(s->pb); + st->codec->codec_type = AVMEDIA_TYPE_AUDIO; + st->codec->codec_id = AV_CODEC_ID_ADPCM_PSX; + st->codec->sample_rate = avio_rl32(s->pb); + if (st->codec->sample_rate <= 0) + return AVERROR_INVALIDDATA; + st->codec->channels = avio_rl32(s->pb); + if (st->codec->channels <= 0) + return AVERROR_INVALIDDATA; + st->duration = size / (16 * st->codec->channels) * 28; + align = avio_rl32(s->pb); + if (align <= 0 || align > INT_MAX / st->codec->channels) + return AVERROR_INVALIDDATA; + st->codec->block_align = align * st->codec->channels; + avio_skip(s->pb, 0x800 - avio_tell(s->pb)); + avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate); + + return 0; +} + +static int svag_read_packet(AVFormatContext *s, AVPacket *pkt) +{ + AVCodecContext *codec = s->streams[0]->codec; + + return av_get_packet(s->pb, pkt, codec->block_align); +} + +AVInputFormat ff_svag_demuxer = { + .name = "svag", + .long_name = NULL_IF_CONFIG_SMALL("SVAG"), + .read_probe = svag_probe, + .read_header = svag_read_header, + .read_packet = svag_read_packet, + .extensions = "svag", +}; diff --git a/libavformat/version.h b/libavformat/version.h index 4a36c4ae73..5ded9780c7 100644 --- a/libavformat/version.h +++ b/libavformat/version.h @@ -30,7 +30,7 @@ #include "libavutil/version.h" #define LIBAVFORMAT_VERSION_MAJOR 57 -#define LIBAVFORMAT_VERSION_MINOR 7 +#define LIBAVFORMAT_VERSION_MINOR 8 #define LIBAVFORMAT_VERSION_MICRO 100 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \