G.729 decoder main code

(just skeleton, contains only parts, explicitly ok'ed by Michael)

Originally committed as revision 14800 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 52 insertions, 0 deletions

diff --git a/libavcodec/g729dec.c b/libavcodec/g729dec.c
new file mode 100644
index 0000000000..987086453c
--- /dev/null
+++ b/libavcodec/g729dec.c
@@ -0,0 +1,52 @@
+/*
+ * G.729 decoder
+ * Copyright (c) 2008 Vladimir Voroshilov
+ *
+ * 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 <stdlib.h>
+#include <inttypes.h>
+#include <limits.h>
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include <assert.h>
+
+#include "avcodec.h"
+#include "libavutil/avutil.h"
+#include "bitstream.h"
+
+/**
+ * \brief pseudo random number generator
+ */
+static inline uint16_t g729_random(uint16_t value)
+{
+    return 31821 * value + 13849;
+}
+
+AVCodec g729_decoder =
+{
+    "g729",
+    CODEC_TYPE_AUDIO,
+    CODEC_ID_G729,
+    sizeof(G729_Context),
+    ff_g729_decoder_init,
+    NULL,
+    NULL,
+    ff_g729_decode_frame,
+    .long_name = NULL_IF_CONFIG_SMALL("G.729"),
+};