Update internal FFmpeg copy.

1 files changed, 46 insertions, 0 deletions

diff --git a/contrib/ffmpeg/libavformat/framecrcenc.c b/contrib/ffmpeg/libavformat/framecrcenc.c
new file mode 100644
index 000000000..c0133017c
--- /dev/null
+++ b/contrib/ffmpeg/libavformat/framecrcenc.c
@@ -0,0 +1,46 @@
+/*
+ * frame CRC encoder (for codec/format testing)
+ * 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"
+#include "adler32.h"
+
+static int framecrc_write_packet(struct AVFormatContext *s, AVPacket *pkt)
+{
+    uint32_t crc = av_adler32_update(0, pkt->data, pkt->size);
+    char buf[256];
+
+    snprintf(buf, sizeof(buf), "%d, %"PRId64", %d, 0x%08x\n", pkt->stream_index, pkt->dts, pkt->size, crc);
+    put_buffer(s->pb, buf, strlen(buf));
+    put_flush_packet(s->pb);
+    return 0;
+}
+
+AVOutputFormat framecrc_muxer = {
+    "framecrc",
+    "framecrc testing format",
+    NULL,
+    "",
+    0,
+    CODEC_ID_PCM_S16LE,
+    CODEC_ID_RAWVIDEO,
+    NULL,
+    framecrc_write_packet,
+    NULL,
+};