Move AC3 header parsing code together with the rest of the AC3 parsing code.

[ffmpeg] / libavformat / mmf.c

diff --git a/libavformat/mmf.c b/libavformat/mmf.c
index 9700884a20cecb21b65a23bee5254c060445cab4..e395587002ee44b1f42204a3050b94ccb6a8f736 100644 (file)
--- a/libavformat/mmf.c
+++ b/libavformat/mmf.c
@@ -2,29 +2,31 @@
  * Yamaha SMAF format
  * Copyright (c) 2005 Vidar Madsen
  *
- * This library is free software; you can redistribute it and/or
+ * 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 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
  *
- * This library is distributed in the hope that it will be useful,
+ * 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 this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * 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 "avi.h"
+#include "allformats.h"
+#include "riff.h"
 
 typedef struct {
     offset_t atrpos, atsqpos, awapos;
     offset_t data_size;
 } MMFContext;
 
-#ifdef CONFIG_MUXERS
 static int mmf_rates[] = { 4000, 8000, 11025, 22050, 44100 };
 
 static int mmf_rate_code(int rate)
@@ -43,6 +45,7 @@ static int mmf_rate(int code)
     return mmf_rates[code];
 }
 
+#ifdef CONFIG_MUXERS
 /* Copy of end_tag() from avienc.c, but for big-endian chunk size */
 static void end_tag_be(ByteIOContext *pb, offset_t start)
 {
@@ -165,8 +168,6 @@ static int mmf_write_trailer(AVFormatContext *s)
 static int mmf_probe(AVProbeData *p)
 {
     /* check file header */
-    if (p->buf_size <= 32)
-        return 0;
     if (p->buf[0] == 'M' && p->buf[1] == 'M' &&
         p->buf[2] == 'M' && p->buf[3] == 'D' &&
         p->buf[8] == 'C' && p->buf[9] == 'N' &&
@@ -202,6 +203,10 @@ static int mmf_read_header(AVFormatContext *s,
     }
 
     /* Tag = "ATRx", where "x" = track number */
+    if ((tag & 0xffffff) == MKTAG('M', 'T', 'R', 0)) {
+        av_log(s, AV_LOG_ERROR, "MIDI like format found, unsupported\n");
+        return -1;
+    }
     if ((tag & 0xffffff) != MKTAG('A', 'T', 'R', 0)) {
         av_log(s, AV_LOG_ERROR, "Unsupported SMAF chunk %08x\n", tag);
         return -1;
@@ -296,8 +301,8 @@ static int mmf_read_seek(AVFormatContext *s,
     return pcm_read_seek(s, stream_index, timestamp, flags);
 }
 
-
-static AVInputFormat mmf_iformat = {
+#ifdef CONFIG_MMF_DEMUXER
+AVInputFormat mmf_demuxer = {
     "mmf",
     "mmf format",
     sizeof(MMFContext),
@@ -307,9 +312,9 @@ static AVInputFormat mmf_iformat = {
     mmf_read_close,
     mmf_read_seek,
 };
-
-#ifdef CONFIG_MUXERS
-static AVOutputFormat mmf_oformat = {
+#endif
+#ifdef CONFIG_MMF_MUXER
+AVOutputFormat mmf_muxer = {
     "mmf",
     "mmf format",
     "application/vnd.smaf",
@@ -321,14 +326,4 @@ static AVOutputFormat mmf_oformat = {
     mmf_write_packet,
     mmf_write_trailer,
 };
-#endif //CONFIG_MUXERS
-
-int ff_mmf_init(void)
-{
-    av_register_input_format(&mmf_iformat);
-#ifdef CONFIG_MUXERS
-    av_register_output_format(&mmf_oformat);
-#endif //CONFIG_MUXERS
-    return 0;
-}
-
+#endif