* Parse WTV chunks
* @param mode SEEK_TO_DATA or SEEK_TO_PTS
* @param seekts timestamp
- * @param[out] len Length of data chunk
+ * @param[out] len_ptr Length of data chunk
* @return stream index of data chunk, or <0 on error
*/
static int parse_chunks(AVFormatContext *s, int mode, int64_t seekts, int *len_ptr)