mp4: Remove two local unused header_size variables.

The header size is an optional pointer argument of atom_read_header(),
i.e., callers may pass NULL if they aren't interested in the atom
header size.

diff --git a/mp4.c b/mp4.c
index 1d04b2c41159f54344d47195198496cc6ec8844e..2ca4ed8a7235f0ddb42ac8f7e2564602d7a93ef4 100644 (file)
--- a/mp4.c
+++ b/mp4.c
@@ -551,7 +551,6 @@ static int read_mp4a(struct mp4 *f)
        int ret;
        int32_t i;
        uint8_t atom_type = 0;
-       uint8_t header_size = 0;
        struct mp4_track *t;
 
        if (f->total_tracks == 0)
@@ -590,14 +589,13 @@ static int read_mp4a(struct mp4 *f)
        ret = read_int16(f, NULL);
        if (ret <= 0)
                return ret;
-       return atom_read_header(f, &atom_type, &header_size, NULL);
+       return atom_read_header(f, &atom_type, NULL, NULL);
 }
 
 static int read_stsd(struct mp4 *f)
 {
        int ret;
        uint32_t i, entry_count;
-       uint8_t header_size = 0;
        struct mp4_track *t;
 
        if (f->total_tracks == 0)
@@ -616,7 +614,7 @@ static int read_stsd(struct mp4 *f)
                uint64_t skip = get_position(f);
                uint64_t size;
                uint8_t atom_type = 0;
-               ret = atom_read_header(f, &atom_type, &header_size, &size);
+               ret = atom_read_header(f, &atom_type, NULL, &size);
                if (ret <= 0)
                        return ret;
                skip += size;