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always skip garbage at end of atom
Originally committed as revision 5300 to svn://svn.ffmpeg.org/ffmpeg/trunk
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98d12b09af
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5c72cad888
@ -461,7 +461,12 @@ static int mov_read_default(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
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if (c->parse_table[i].type == 0) { /* skip leaf atoms data */
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url_fskip(pb, a.size);
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} else {
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offset_t start_pos = url_ftell(pb);
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int64_t left;
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err = (c->parse_table[i].func)(c, pb, a);
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left = a.size - url_ftell(pb) + start_pos;
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if (left > 0) /* skip garbage at atom end */
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url_fskip(pb, left);
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}
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a.offset += a.size;
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@ -571,7 +576,6 @@ static int mov_read_esds(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
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{
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AVStream *st = c->fc->streams[c->fc->nb_streams-1];
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MOVStreamContext *sc = (MOVStreamContext *)st->priv_data;
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int64_t start_pos = url_ftell(pb);
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int tag, len;
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/* Well, broken but suffisant for some MP4 streams */
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@ -606,8 +610,6 @@ static int mov_read_esds(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
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}
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}
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}
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/* in any case, skip garbage */
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url_fskip(pb, atom.size - ((url_ftell(pb) - start_pos)));
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return 0;
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}
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@ -801,7 +803,6 @@ static int mov_read_alac(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
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static int mov_read_wave(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
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{
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offset_t start_pos = url_ftell(pb);
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AVStream *st = c->fc->streams[c->fc->nb_streams-1];
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if((uint64_t)atom.size > (1<<30))
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@ -819,10 +820,8 @@ static int mov_read_wave(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
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url_fskip(pb, atom.size);
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} else if (atom.size > 8) { /* to read frma, esds atoms */
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mov_read_default(c, pb, atom);
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} else if (atom.size > 0)
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} else
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url_fskip(pb, atom.size);
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/* in any case, skip garbage */
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url_fskip(pb, atom.size - ((url_ftell(pb) - start_pos)));
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return 0;
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}
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