ffmpeg source update for sep 09

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

+/*
+ * RAW null muxer
+ * Copyright (c) 2002 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"
+
+static int null_write_packet(struct AVFormatContext *s, AVPacket *pkt)
+{
+    return 0;
+}
+
+AVOutputFormat null_muxer = {
+    "null",
+    NULL_IF_CONFIG_SMALL("raw null video format"),
+    NULL,
+    NULL,
+    0,
+    AV_NE(CODEC_ID_PCM_S16BE, CODEC_ID_PCM_S16LE),
+    CODEC_ID_RAWVIDEO,
+    NULL,
+    null_write_packet,
+    .flags = AVFMT_NOFILE | AVFMT_RAWPICTURE | AVFMT_NOTIMESTAMPS,
+};