partial support for vobsub in mp4, used by nero, unsupported-embedded-subs-2.mp4

[ffmpeg] / libavformat / avienc.c

diff --git a/libavformat/avienc.c b/libavformat/avienc.c
index 73af73808954441b1d8a1d7b4adf59b6124e2d31..296608704305af282e932bc3a3183ff87415b7bb 100644 (file)
--- a/libavformat/avienc.c
+++ b/libavformat/avienc.c
@@ -1,19 +1,21 @@
 /*
- * AVI encoder.
+ * AVI muxer
  * Copyright (c) 2000 Fabrice Bellard.
  *
- * 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
+ * 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"
@@ -73,8 +75,7 @@ static offset_t avi_start_new_riff(AVIContext *avi, ByteIOContext *pb,
     return loff;
 }
 
-static unsigned char* avi_stream2fourcc(unsigned char* tag, int index,
-                                        enum CodecType type)
+static char* avi_stream2fourcc(char* tag, int index, enum CodecType type)
 {
     tag[0] = '0';
     tag[1] = '0' + index;
@@ -311,6 +312,11 @@ static int avi_write_header(AVFormatContext *s)
     avi_write_info_tag(pb, "ICMT", s->comment);
     avi_write_info_tag(pb, "IPRD", s->album);
     avi_write_info_tag(pb, "IGNR", s->genre);
+    if (s->track) {
+        char str_track[4];
+        snprintf(str_track, 4, "%d", s->track);
+        avi_write_info_tag(pb, "IPRT", str_track);
+    }
     if(!(s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT))
         avi_write_info_tag(pb, "ISFT", LIBAVFORMAT_IDENT);
     end_tag(pb, list2);
@@ -333,8 +339,8 @@ static int avi_write_ix(AVFormatContext *s)
 {
     ByteIOContext *pb = &s->pb;
     AVIContext *avi = s->priv_data;
-    unsigned char tag[5];
-    unsigned char ix_tag[] = "ix00";
+    char tag[5];
+    char ix_tag[] = "ix00";
     int i, j;
 
     assert(!url_is_streamed(pb));
@@ -392,7 +398,7 @@ static int avi_write_idx1(AVFormatContext *s)
     AVIContext *avi = s->priv_data;
     offset_t idx_chunk;
     int i;
-    unsigned char tag[5];
+    char tag[5];
 
     if (!url_is_streamed(pb)) {
         AVIIentry* ie = 0, *tie;
@@ -441,7 +447,7 @@ static int avi_write_packet(AVFormatContext *s, AVPacket *pkt)
     AVCodecContext *enc= s->streams[stream_index]->codec;
     int size= pkt->size;
 
-//    av_log(s, AV_LOG_DEBUG, "%lld %d %d\n", pkt->dts, avi->packet_count[stream_index], stream_index);
+//    av_log(s, AV_LOG_DEBUG, "%"PRId64" %d %d\n", pkt->dts, avi->packet_count[stream_index], stream_index);
     while(enc->block_align==0 && pkt->dts != AV_NOPTS_VALUE && pkt->dts > avi->packet_count[stream_index]){
         AVPacket empty_packet;
 
@@ -450,7 +456,7 @@ static int avi_write_packet(AVFormatContext *s, AVPacket *pkt)
         empty_packet.data= NULL;
         empty_packet.stream_index= stream_index;
         avi_write_packet(s, &empty_packet);
-//        av_log(s, AV_LOG_DEBUG, "dup %lld %d\n", pkt->dts, avi->packet_count[stream_index]);
+//        av_log(s, AV_LOG_DEBUG, "dup %"PRId64" %d\n", pkt->dts, avi->packet_count[stream_index]);
     }
     avi->packet_count[stream_index]++;