ffmpeg source update for sep 09

source/patched-ffmpeg-mt/libavformat/rawvideodec.c

+/*
+ * RAW video demuxer
+ * Copyright (c) 2001 Fabrice Bellard
+ *
+ * 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"
+
+static int rawvideo_read_packet(AVFormatContext *s, AVPacket *pkt)
+{
+    int packet_size, ret, width, height;
+    AVStream *st = s->streams[0];
+
+    width = st->codec->width;
+    height = st->codec->height;
+
+    packet_size = avpicture_get_size(st->codec->pix_fmt, width, height);
+    if (packet_size < 0)
+        return -1;
+
+    ret= av_get_packet(s->pb, pkt, packet_size);
+    pkt->pts=
+    pkt->dts= pkt->pos / packet_size;
+
+    pkt->stream_index = 0;
+    if (ret < 0)
+        return ret;
+    return 0;
+}
+
+AVInputFormat rawvideo_demuxer = {
+    "rawvideo",
+    NULL_IF_CONFIG_SMALL("raw video format"),
+    0,
+    NULL,
+    ff_raw_read_header,
+    rawvideo_read_packet,
+    .flags= AVFMT_GENERIC_INDEX,
+    .extensions = "yuv,cif,qcif,rgb",
+    .value = CODEC_ID_RAWVIDEO,
+};