Signed-off-by: Paul B Mahol <one...@gmail.com>
---
libavformat/Makefile | 1 +
libavformat/allformats.c | 1 +
libavformat/vpk.c | 79 ++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 81 insertions(+)
create mode 100644 libavformat/vpk.c
diff --git a/libavformat/Makefile b/libavformat/Makefile
index 1a03e0c..6704ced 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -459,6 +459,7 @@ OBJS-$(CONFIG_VMD_DEMUXER) += sierravmd.o
OBJS-$(CONFIG_VOBSUB_DEMUXER) += subtitles.o # mpeg demuxer is in
the dependencies
OBJS-$(CONFIG_VOC_DEMUXER) += vocdec.o voc.o
OBJS-$(CONFIG_VOC_MUXER) += vocenc.o voc.o
+OBJS-$(CONFIG_VPK_DEMUXER) += vpk.o
OBJS-$(CONFIG_VPLAYER_DEMUXER) += vplayerdec.o subtitles.o
OBJS-$(CONFIG_VQF_DEMUXER) += vqf.o
OBJS-$(CONFIG_W64_DEMUXER) += wavdec.o w64.o pcm.o
diff --git a/libavformat/allformats.c b/libavformat/allformats.c
index 8b8d9f2..9f7c0fd 100644
--- a/libavformat/allformats.c
+++ b/libavformat/allformats.c
@@ -323,6 +323,7 @@ void av_register_all(void)
REGISTER_DEMUXER (VMD, vmd);
REGISTER_DEMUXER (VOBSUB, vobsub);
REGISTER_MUXDEMUX(VOC, voc);
+ REGISTER_DEMUXER (VPK, vpk);
REGISTER_DEMUXER (VPLAYER, vplayer);
REGISTER_DEMUXER (VQF, vqf);
REGISTER_MUXDEMUX(W64, w64);
diff --git a/libavformat/vpk.c b/libavformat/vpk.c
new file mode 100644
index 0000000..daac91f
--- /dev/null
+++ b/libavformat/vpk.c
@@ -0,0 +1,79 @@
+/*
+ * VPK 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 "libavutil/intreadwrite.h"
+#include "avformat.h"
+#include "internal.h"
+
+static int vpk_probe(AVProbeData *p)
+{
+ if (AV_RL32(p->buf) != MKBETAG('V','P','K',' '))
+ return 0;
+
+ return AVPROBE_SCORE_MAX / 3 * 2;
+}
+
+static int vpk_read_header(AVFormatContext *s)
+{
+ int64_t offset;
+ AVStream *st;
+
+ st = avformat_new_stream(s, NULL);
+ if (!st)
+ return AVERROR(ENOMEM);
+
+ avio_skip(s->pb, 4);
+ st->duration = avio_rl32(s->pb) / 16 * 28;
+ offset = avio_rl32(s->pb);
+ st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
+ st->codec->codec_id = AV_CODEC_ID_ADPCM_PSX;
+ st->codec->block_align = avio_rl32(s->pb);
+ 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;
+ avio_skip(s->pb, offset - avio_tell(s->pb));
+ avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
+
+ return 0;
+}
+
+static int vpk_read_packet(AVFormatContext *s, AVPacket *pkt)
+{
+ AVCodecContext *codec = s->streams[0]->codec;
+ int ret;
+
+ ret = av_get_packet(s->pb, pkt, codec->block_align);
+ pkt->stream_index = 0;
+
+ return ret;
+}
+
+AVInputFormat ff_vpk_demuxer = {
+ .name = "vpk",
+ .long_name = NULL_IF_CONFIG_SMALL("Sony PS2 VPK"),
+ .read_probe = vpk_probe,
+ .read_header = vpk_read_header,
+ .read_packet = vpk_read_packet,
+ .extensions = "vpk",
+};
--
1.9.1
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