Commit cb631737 authored by Ivo van Poorten's avatar Ivo van Poorten
Browse files

Renderware TXD demuxer

Originally committed as revision 8927 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 1ca779e7
......@@ -131,6 +131,7 @@ OBJS-$(CONFIG_TGP_MUXER) += movenc.o riff.o isom.o
OBJS-$(CONFIG_THP_DEMUXER) += thp.o
OBJS-$(CONFIG_TIERTEXSEQ_DEMUXER) += tiertexseq.o
OBJS-$(CONFIG_TTA_DEMUXER) += tta.o
OBJS-$(CONFIG_TXD_DEMUXER) += txd.o
OBJS-$(CONFIG_V4L2_DEMUXER) += v4l2.o
OBJS-$(CONFIG_VIDEO_GRAB_BKTR_DEMUXER) += grab_bktr.o
OBJS-$(CONFIG_VIDEO_GRAB_V4L_DEMUXER) += grab.o
......
......@@ -150,6 +150,7 @@ void av_register_all(void)
REGISTER_DEMUXER (THP, thp);
REGISTER_DEMUXER (TIERTEXSEQ, tiertexseq);
REGISTER_DEMUXER (TTA, tta);
REGISTER_DEMUXER (TXD, txd);
REGISTER_DEMUXER (V4L2, v4l2);
REGISTER_DEMUXER (VC1, vc1);
REGISTER_DEMUXER (VIDEO_GRAB_BKTR, video_grab_bktr);
......
......@@ -100,6 +100,7 @@ extern AVInputFormat swf_demuxer;
extern AVInputFormat thp_demuxer;
extern AVInputFormat tiertexseq_demuxer;
extern AVInputFormat tta_demuxer;
extern AVInputFormat txd_demuxer;
extern AVInputFormat v4l2_demuxer;
extern AVInputFormat vc1_demuxer;
extern AVInputFormat video_grab_bktr_demuxer;
......
/*
* Renderware TeXture Dictionary (.txd) demuxer
* Copyright (c) 2007 Ivo van Poorten
*
* 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"
#define TXD_FILE 0x16
#define TXD_INFO 0x01
#define TXD_EXTRA 0x03
#define TXD_TEXTURE 0x15
#define TXD_TEXTURE_DATA 0x01
#define TXD_MARKER 0x1803ffff
#define TXD_MARKER2 0x1003ffff
static int txd_probe(AVProbeData * pd) {
if (AV_RL32(pd->buf ) == TXD_FILE &&
(AV_RL32(pd->buf+8) == TXD_MARKER || AV_RL32(pd->buf+8) == TXD_MARKER2))
return AVPROBE_SCORE_MAX;
return 0;
}
static int txd_read_header(AVFormatContext *s, AVFormatParameters *ap) {
AVStream *st;
st = av_new_stream(s, 0);
if (!st)
return AVERROR_NOMEM;
st->codec->codec_type = CODEC_TYPE_VIDEO;
st->codec->codec_id = CODEC_ID_TXD;
st->codec->time_base.den = 5;
st->codec->time_base.num = 1;
/* the parameters will be extracted from the compressed bitstream */
return 0;
}
static int txd_read_packet(AVFormatContext *s, AVPacket *pkt) {
ByteIOContext *pb = &s->pb;
unsigned int id, chunk_size, marker;
int ret;
next_chunk:
id = get_le32(pb);
chunk_size = get_le32(pb);
marker = get_le32(pb);
if (url_feof(&s->pb))
return AVERROR_IO;
if (marker != TXD_MARKER && marker != TXD_MARKER2) {
av_log(NULL, AV_LOG_ERROR, "marker does not match\n");
return AVERROR_IO;
}
switch (id) {
case TXD_INFO:
if (chunk_size > 100)
break;
case TXD_EXTRA:
url_fskip(&s->pb, chunk_size);
case TXD_FILE:
case TXD_TEXTURE:
goto next_chunk;
default:
av_log(NULL, AV_LOG_ERROR, "unknown chunk id %i\n", id);
return AVERROR_IO;
}
ret = av_get_packet(&s->pb, pkt, chunk_size);
pkt->stream_index = 0;
return ret <= 0 ? AVERROR_IO : ret;
}
static int txd_read_close(AVFormatContext *s) {
return 0;
}
AVInputFormat txd_demuxer =
{
"txd",
"txd format",
0,
txd_probe,
txd_read_header,
txd_read_packet,
txd_read_close,
};
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