diff options
| -rw-r--r-- | Changelog | 1 | ||||
| -rw-r--r-- | doc/general.texi | 2 | ||||
| -rw-r--r-- | libavformat/Makefile | 1 | ||||
| -rw-r--r-- | libavformat/allformats.c | 2 | ||||
| -rw-r--r-- | libavformat/omaenc.c | 105 | ||||
| -rw-r--r-- | libavformat/version.h | 2 |
6 files changed, 110 insertions, 3 deletions
@@ -108,6 +108,7 @@ easier to use. The changes are: - CLJR encoder - Dxtory capture format decoder - v410 QuickTime uncompressed 4:4:4 10-bit encoder and decoder +- OpenMG Audio muxer version 0.7: diff --git a/doc/general.texi b/doc/general.texi index 88c044df2e..74f3cb6607 100644 --- a/doc/general.texi +++ b/doc/general.texi @@ -296,7 +296,7 @@ library: @tab Used in Sierra CD-ROM games. @item Smacker @tab @tab X @tab Multimedia format used by many games. -@item Sony OpenMG (OMA) @tab @tab X +@item Sony OpenMG (OMA) @tab X @tab X @tab Audio format used in Sony Sonic Stage and Sony Vegas. @item Sony PlayStation STR @tab @tab X @item Sony Wave64 (W64) @tab @tab X diff --git a/libavformat/Makefile b/libavformat/Makefile index aa15b7ea45..ff6140b0c9 100644 --- a/libavformat/Makefile +++ b/libavformat/Makefile @@ -179,6 +179,7 @@ OBJS-$(CONFIG_OGG_DEMUXER) += oggdec.o \ OBJS-$(CONFIG_OGG_MUXER) += oggenc.o \ vorbiscomment.o OBJS-$(CONFIG_OMA_DEMUXER) += omadec.o pcm.o oma.o +OBJS-$(CONFIG_OMA_MUXER) += omaenc.o rawenc.o oma.o OBJS-$(CONFIG_PCM_ALAW_DEMUXER) += pcmdec.o pcm.o rawdec.o OBJS-$(CONFIG_PCM_ALAW_MUXER) += pcmenc.o rawenc.o OBJS-$(CONFIG_PCM_F32BE_DEMUXER) += pcmdec.o pcm.o rawdec.o diff --git a/libavformat/allformats.c b/libavformat/allformats.c index fe775f4cce..c75f1bacae 100644 --- a/libavformat/allformats.c +++ b/libavformat/allformats.c @@ -156,7 +156,7 @@ void av_register_all(void) REGISTER_MUXDEMUX (NUT, nut); REGISTER_DEMUXER (NUV, nuv); REGISTER_MUXDEMUX (OGG, ogg); - REGISTER_DEMUXER (OMA, oma); + REGISTER_MUXDEMUX (OMA, oma); REGISTER_MUXDEMUX (PCM_ALAW, pcm_alaw); REGISTER_MUXDEMUX (PCM_MULAW, pcm_mulaw); REGISTER_MUXDEMUX (PCM_F64BE, pcm_f64be); diff --git a/libavformat/omaenc.c b/libavformat/omaenc.c new file mode 100644 index 0000000000..e932b4bbc1 --- /dev/null +++ b/libavformat/omaenc.c @@ -0,0 +1,105 @@ +/* + * Sony OpenMG (OMA) muxer + * + * Copyright (c) 2011 Michael Karcher + * + * 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 "avformat.h" +#include "avio_internal.h" +#include "id3v2.h" +#include "internal.h" +#include "oma.h" +#include "rawenc.h" + +static av_cold int oma_write_header(AVFormatContext *s) +{ + int i; + AVCodecContext *format; + int srate_index; + int isjointstereo; + + format = s->streams[0]->codec; + /* check for support of the format first */ + + for (srate_index = 0; ; srate_index++) { + if (ff_oma_srate_tab[srate_index] == 0) { + av_log(s, AV_LOG_ERROR, "Sample rate %d not supported in OpenMG audio\n", + format->sample_rate); + return AVERROR(EINVAL); + } + + if (ff_oma_srate_tab[srate_index] * 100 == format->sample_rate) + break; + } + + /* Metadata; OpenMG does not support ID3v2.4 */ + ff_id3v2_write(s, 3, ID3v2_EA3_MAGIC); + + ffio_wfourcc(s->pb, "EA3\0"); + avio_w8(s->pb, EA3_HEADER_SIZE >> 7); + avio_w8(s->pb, EA3_HEADER_SIZE & 0x7F); + avio_wl16(s->pb, 0xFFFF); /* not encrypted */ + for (i = 0; i < 6; i++) + avio_wl32(s->pb, 0); /* Padding + DRM id */ + + switch(format->codec_tag) { + case OMA_CODECID_ATRAC3: + if (format->channels != 2) { + av_log(s, AV_LOG_ERROR, "ATRAC3 in OMA is only supported with 2 channels"); + return AVERROR(EINVAL); + } + if (format->extradata_size == 14) /* WAV format extradata */ + isjointstereo = format->extradata[6] != 0; + else if(format->extradata_size == 10) /* RM format extradata */ + isjointstereo = format->extradata[8] == 0x12; + else { + av_log(s, AV_LOG_ERROR, "ATRAC3: Unsupported extradata size\n"); + return AVERROR(EINVAL); + } + avio_wb32(s->pb, (OMA_CODECID_ATRAC3 << 24) | + (isjointstereo << 17) | + (srate_index << 13) | + (format->block_align/8)); + break; + case OMA_CODECID_ATRAC3P: + avio_wb32(s->pb, (OMA_CODECID_ATRAC3P << 24) | + (srate_index << 13) | + (format->channels << 10) | + (format->block_align/8 - 1)); + break; + default: + av_log(s, AV_LOG_ERROR, "OMA: unsupported codec tag %d for write\n", + format->codec_tag); + } + for (i = 0; i < (EA3_HEADER_SIZE - 36)/4; i++) + avio_wl32(s->pb, 0); /* Padding */ + + return 0; +} + +AVOutputFormat ff_oma_muxer = { + .name = "oma", + .long_name = NULL_IF_CONFIG_SMALL("Sony OpenMG audio"), + .mime_type = "audio/x-oma", + .extensions = "oma", + .audio_codec = CODEC_ID_ATRAC3, + .write_header = oma_write_header, + .write_packet = ff_raw_write_packet, + .codec_tag = (const AVCodecTag* const []){ff_oma_codec_tags, 0}, +}; diff --git a/libavformat/version.h b/libavformat/version.h index e80787b2ee..a841701e50 100644 --- a/libavformat/version.h +++ b/libavformat/version.h @@ -30,7 +30,7 @@ #include "libavutil/avutil.h" #define LIBAVFORMAT_VERSION_MAJOR 53 -#define LIBAVFORMAT_VERSION_MINOR 17 +#define LIBAVFORMAT_VERSION_MINOR 18 #define LIBAVFORMAT_VERSION_MICRO 0 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \ |