avformat/ilbc: Don't reimplement ff_raw_write_packet

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>

libavformat/ilbc.c

@@ -21,6 +21,7 @@
 
 #include "avformat.h"
 #include "internal.h"
+#include "rawenc.h"
 
 static const char mode20_header[] = "#!iLBC20\n";
 static const char mode30_header[] = "#!iLBC30\n";
@@ -52,12 +53,6 @@ static int ilbc_write_header(AVFormatContext *s)
     return 0;
 }
 
-static int ilbc_write_packet(AVFormatContext *s, AVPacket *pkt)
-{
-    avio_write(s->pb, pkt->data, pkt->size);
-    return 0;
-}
-
 static int ilbc_probe(const AVProbeData *p)
 {
     // Only check for "#!iLBC" which matches both formats
@@ -133,6 +128,6 @@ AVOutputFormat ff_ilbc_muxer = {
     .extensions   = "lbc",
     .audio_codec  = AV_CODEC_ID_ILBC,
     .write_header = ilbc_write_header,
-    .write_packet = ilbc_write_packet,
+    .write_packet = ff_raw_write_packet,
     .flags        = AVFMT_NOTIMESTAMPS,
 };