movenc: Rename reserved_moov_pos to reserved_header_pos

The same field is also used for writing the sidx index header,
for fragmented files, when the faststart flag is used.
Signed-off-by: Martin Storsjö <martin@martin.st>

libavformat/movenc.c

@@ -3229,7 +3229,7 @@ static int mov_flush_fragment(AVFormatContext *s)
 
         if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
             if (mov->flags & FF_MOV_FLAG_FASTSTART)
-                mov->reserved_moov_pos = avio_tell(s->pb);
+                mov->reserved_header_pos = avio_tell(s->pb);
             avio_flush(s->pb);
             mov->moov_written = 1;
             return 0;
@@ -4011,7 +4011,7 @@ static int mov_write_header(AVFormatContext *s)
             mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
     } else {
         if (mov->flags & FF_MOV_FLAG_FASTSTART)
-            mov->reserved_moov_pos = avio_tell(pb);
+            mov->reserved_header_pos = avio_tell(pb);
         mov_write_mdat_tag(pb, mov);
     }
 
@@ -4046,7 +4046,7 @@ static int mov_write_header(AVFormatContext *s)
         mov_write_moov_tag(pb, mov, s);
         mov->moov_written = 1;
         if (mov->flags & FF_MOV_FLAG_FASTSTART)
-            mov->reserved_moov_pos = avio_tell(pb);
+            mov->reserved_header_pos = avio_tell(pb);
     }
 
     return 0;
@@ -4162,10 +4162,10 @@ static int shift_data(AVFormatContext *s)
     /* mark the end of the shift to up to the last data we wrote, and get ready
      * for writing */
     pos_end = avio_tell(s->pb);
-    avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
+    avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
 
     /* start reading at where the new moov will be placed */
-    avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
+    avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
     pos = avio_tell(read_pb);
 
 #define READ_BLOCK do {                                                             \
@@ -4232,7 +4232,7 @@ static int mov_write_trailer(AVFormatContext *s)
             av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
             res = shift_data(s);
             if (res == 0) {
-                avio_seek(pb, mov->reserved_moov_pos, SEEK_SET);
+                avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
                 mov_write_moov_tag(pb, mov, s);
             }
         } else {
@@ -4247,7 +4247,7 @@ static int mov_write_trailer(AVFormatContext *s)
             res = shift_data(s);
             if (res == 0) {
                 int64_t end = avio_tell(pb);
-                avio_seek(pb, mov->reserved_moov_pos, SEEK_SET);
+                avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
                 mov_write_sidx_tags(pb, mov, -1, 0);
                 avio_seek(pb, end, SEEK_SET);
                 mov_write_mfra_tag(pb, mov);

libavformat/movenc.h

@@ -166,7 +166,7 @@ typedef struct MOVMuxContext {
     AVIOContext *mdat_buf;
     int first_trun;
 
-    int64_t reserved_moov_pos;
+    int64_t reserved_header_pos;
 
     char *major_brand;