Fix linking when RTP is disabled and libraries are dynamic

[ffmpeg] / libavformat / mmf.c

diff --git a/libavformat/mmf.c b/libavformat/mmf.c
index 177f2df3fca61756ed38a72e73a564efed48ba5b..7fcbde9e7fadf035f9af0f0e8fc00f11c57f2605 100644 (file)
--- a/libavformat/mmf.c
+++ b/libavformat/mmf.c
@@ -1,30 +1,32 @@
-/* 
+/*
  * 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_ENCODERS
 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)
 {
@@ -66,7 +69,7 @@ static int mmf_write_header(AVFormatContext *s)
         av_log(s, AV_LOG_ERROR, "Unsupported sample rate %d\n", s->streams[0]->codec->sample_rate);
         return -1;
     }
-    
+
     put_tag(pb, "MMMD");
     put_be32(pb, 0);
     pos = start_tag(pb, "CNTI");
@@ -160,13 +163,11 @@ static int mmf_write_trailer(AVFormatContext *s)
     }
     return 0;
 }
-#endif //CONFIG_ENCODERS
+#endif //CONFIG_MUXERS
 
 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;
@@ -237,7 +242,7 @@ static int mmf_read_header(AVFormatContext *s,
 
     st = av_new_stream(s, 0);
     if (!st)
-        return AVERROR_NOMEM;
+        return AVERROR(ENOMEM);
 
     st->codec->codec_type = CODEC_TYPE_AUDIO;
     st->codec->codec_id = CODEC_ID_ADPCM_YAMAHA;
@@ -261,7 +266,7 @@ static int mmf_read_packet(AVFormatContext *s,
     int ret, size;
 
     if (url_feof(&s->pb))
-        return AVERROR_IO;
+        return AVERROR(EIO);
     st = s->streams[0];
 
     size = MAX_SIZE;
@@ -269,10 +274,10 @@ static int mmf_read_packet(AVFormatContext *s,
         size = mmf->data_size;
 
     if(!size)
-        return AVERROR_IO;
-    
+        return AVERROR(EIO);
+
     if (av_new_packet(pkt, size))
-        return AVERROR_IO;
+        return AVERROR(EIO);
     pkt->stream_index = 0;
 
     ret = get_buffer(&s->pb, pkt->data, pkt->size);
@@ -290,14 +295,14 @@ static int mmf_read_close(AVFormatContext *s)
     return 0;
 }
 
-static int mmf_read_seek(AVFormatContext *s, 
+static int mmf_read_seek(AVFormatContext *s,
                          int stream_index, int64_t timestamp, int flags)
 {
     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_ENCODERS
-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_ENCODERS
-
-int ff_mmf_init(void)
-{
-    av_register_input_format(&mmf_iformat);
-#ifdef CONFIG_ENCODERS
-    av_register_output_format(&mmf_oformat);
-#endif //CONFIG_ENCODERS
-    return 0;
-}
-
+#endif